Deprecated API

Contents

• Interfaces
• Classes
• Exceptions
• Fields
• Methods
• Constructors

Interfaces

Interface	Description
org.apache.catalina.GSSRealm	This will be removed in Tomcat 9 and integrated into Realm.
org.apache.tomcat.jni.BIOCallback	Unused. Will be removed in Tomcat 10.1
org.apache.tomcat.jni.PasswordCallback	Unused. Will be removed in Tomcat 10.1
org.apache.tomcat.jni.PoolCallback	The scope of the APR/Native Library will be reduced in Tomcat 10.1.x / Tomcat Native 2.x onwards to only include those components required to provide OpenSSL integration with the NIO and NIO2 connectors.
org.apache.tomcat.jni.ProcErrorCallback	The scope of the APR/Native Library will be reduced in Tomcat 10.1.x / Tomcat Native 2.x onwards to only include those components required to provide OpenSSL integration with the NIO and NIO2 connectors.
org.apache.tomcat.util.codec.BinaryDecoder	This interface is unused and will be removed in Tomcat 9
org.apache.tomcat.util.codec.BinaryEncoder	This interface is unused and will be removed in Tomcat 9
org.apache.tomcat.util.codec.Decoder	This interface is unused and will be removed in Tomcat 9
org.apache.tomcat.util.codec.Encoder	This interface is unused and will be removed in Tomcat 9
org.apache.tomcat.util.digester.DocumentProperties.Encoding	This method will be removed in Tomcat 9

Classes

Class	Description
org.apache.catalina.realm.Constants	Unused. Will be removed in Tomcat 9
org.apache.catalina.realm.JDBCRealm	Will be removed in Tomcat 10 onwards. Use the DataSourceRealm instead.
org.apache.catalina.session.JDBCStore	Removed in Tomcat 10 and replaced by DataSourceStore with removal of legacy JDBC code
org.apache.catalina.users.MemoryGroup	Use AbstractGroup instead.
org.apache.catalina.users.MemoryRole	Use AbstractRole instead.
org.apache.catalina.users.MemoryUser	Use AbstractUser instead.
org.apache.catalina.util.ConcurrentDateFormat	Unused. This will be removed in Tomcat 10. Use ConcurrentDateFormat
org.apache.catalina.util.MIME2Java	Unused. Will be removed in Tomcat 9.
org.apache.catalina.util.SystemPropertyReplacerListener	No longer used. Will be removed in Tomcat 9.
org.apache.coyote.ajp.AjpAprProtocol	The APR/Native Connector will be removed in Tomcat 10.1.x onwards.
org.apache.coyote.ajp.AjpProtocol	This class will be removed in Tomcat 9.
org.apache.coyote.ContainerThreadMarker	Unused. Will be removed in Tomcat 10.1.x
org.apache.coyote.http11.Http11AprProtocol	The APR/Native Connector will be removed in Tomcat 10.1.x onwards.
org.apache.coyote.http11.Http11Protocol	This class will be removed in Tomcat 9.
org.apache.jasper.el.ELResolverImpl
org.apache.jasper.el.ExpressionEvaluatorImpl
org.apache.jasper.el.ExpressionImpl
org.apache.jasper.el.FunctionMapperImpl
org.apache.jasper.el.VariableResolverImpl
org.apache.jasper.xmlparser.ASCIIReader	Will be removed in Tomcat 9.0.x onwards
org.apache.jasper.xmlparser.EncodingMap	Will be removed in Tomcat 9.0.x onwards
org.apache.jasper.xmlparser.SymbolTable	Will be removed in Tomcat 9.0.x onwards
org.apache.jasper.xmlparser.UCSReader	Will be removed in Tomcat 9.0.x onwards
org.apache.jasper.xmlparser.UTF8Reader	Will be removed in Tomcat 9.0.x onwards
org.apache.jasper.xmlparser.XMLChar	Will be removed in Tomcat 9.0.x onwards
org.apache.jasper.xmlparser.XMLEncodingDetector	Will be removed in Tomcat 9.0.x onwards
org.apache.jasper.xmlparser.XMLString	Will be removed in Tomcat 9.0.x onwards
org.apache.jasper.xmlparser.XMLStringBuffer	Will be removed in Tomcat 9.0.x onwards
org.apache.naming.Constants	Unused. Will be removed in Tomcat 9.
org.apache.tomcat.dbcp.dbcp2.cpdsadapter.PStmtKeyCPDS	Use PStmtKey.
org.apache.tomcat.jni.Address	The scope of the APR/Native Library will be reduced in Tomcat 10.1.x / Tomcat Native 2.x onwards to only include those components required to provide OpenSSL integration with the NIO and NIO2 connectors.
org.apache.tomcat.jni.Directory	The scope of the APR/Native Library will be reduced in Tomcat 10.1.x / Tomcat Native 2.x onwards to only include those components required to provide OpenSSL integration with the NIO and NIO2 connectors.
org.apache.tomcat.jni.File	The scope of the APR/Native Library will be reduced in Tomcat 10.1.x / Tomcat Native 2.x onwards to only include those components required to provide OpenSSL integration with the NIO and NIO2 connectors.
org.apache.tomcat.jni.FileInfo	The scope of the APR/Native Library will be reduced in Tomcat 10.1.x / Tomcat Native 2.x onwards to only include those components required to provide OpenSSL integration with the NIO and NIO2 connectors.
org.apache.tomcat.jni.Global	The scope of the APR/Native Library will be reduced in Tomcat 10.1.x / Tomcat Native 2.x onwards to only include those components required to provide OpenSSL integration with the NIO and NIO2 connectors.
org.apache.tomcat.jni.Local	The scope of the APR/Native Library will be reduced in Tomcat 10.1.x / Tomcat Native 2.x onwards to only include those components required to provide OpenSSL integration with the NIO and NIO2 connectors.
org.apache.tomcat.jni.Lock	The scope of the APR/Native Library will be reduced in Tomcat 10.1.x / Tomcat Native 2.x onwards to only include those components required to provide OpenSSL integration with the NIO and NIO2 connectors.
org.apache.tomcat.jni.Mmap	The scope of the APR/Native Library will be reduced in Tomcat 10.1.x / Tomcat Native 2.x onwards to only include those components required to provide OpenSSL integration with the NIO and NIO2 connectors.
org.apache.tomcat.jni.Multicast	The scope of the APR/Native Library will be reduced in Tomcat 10.1.x / Tomcat Native 2.x onwards to only include those components required to provide OpenSSL integration with the NIO and NIO2 connectors.
org.apache.tomcat.jni.OS	The scope of the APR/Native Library will be reduced in Tomcat 10.1.x / Tomcat Native 2.x onwards to only include those components required to provide OpenSSL integration with the NIO and NIO2 connectors.
org.apache.tomcat.jni.Poll	The scope of the APR/Native Library will be reduced in Tomcat 10.1.x / Tomcat Native 2.x onwards to only include those components required to provide OpenSSL integration with the NIO and NIO2 connectors.
org.apache.tomcat.jni.Proc	The scope of the APR/Native Library will be reduced in Tomcat 10.1.x / Tomcat Native 2.x onwards to only include those components required to provide OpenSSL integration with the NIO and NIO2 connectors.
org.apache.tomcat.jni.Procattr	The scope of the APR/Native Library will be reduced in Tomcat 10.1.x / Tomcat Native 2.x onwards to only include those components required to provide OpenSSL integration with the NIO and NIO2 connectors.
org.apache.tomcat.jni.Registry	The scope of the APR/Native Library will be reduced in Tomcat 10.1.x / Tomcat Native 2.x onwards to only include those components required to provide OpenSSL integration with the NIO and NIO2 connectors.
org.apache.tomcat.jni.Shm	The scope of the APR/Native Library will be reduced in Tomcat 10.1.x / Tomcat Native 2.x onwards to only include those components required to provide OpenSSL integration with the NIO and NIO2 connectors.
org.apache.tomcat.jni.Sockaddr	The scope of the APR/Native Library will be reduced in Tomcat 10.1.x / Tomcat Native 2.x onwards to only include those components required to provide OpenSSL integration with the NIO and NIO2 connectors.
org.apache.tomcat.jni.Socket	The scope of the APR/Native Library will be reduced in Tomcat 10.1.x / Tomcat Native 2.x onwards to only include those components required to provide OpenSSL integration with the NIO and NIO2 connectors.
org.apache.tomcat.jni.SSLSocket	The scope of the APR/Native Library will be reduced in Tomcat 10.1.x / Tomcat Native 2.x onwards to only include those components required to provide OpenSSL integration with the NIO and NIO2 connectors.
org.apache.tomcat.jni.Status	The scope of the APR/Native Library will be reduced in Tomcat 10.1.x / Tomcat Native 2.x onwards to only include those components required to provide OpenSSL integration with the NIO and NIO2 connectors.
org.apache.tomcat.jni.Stdlib	The scope of the APR/Native Library will be reduced in Tomcat 10.1.x / Tomcat Native 2.x onwards to only include those components required to provide OpenSSL integration with the NIO and NIO2 connectors.
org.apache.tomcat.jni.Thread	The scope of the APR/Native Library will be reduced in Tomcat 10.1.x / Tomcat Native 2.x onwards to only include those components required to provide OpenSSL integration with the NIO and NIO2 connectors.
org.apache.tomcat.jni.Time	The scope of the APR/Native Library will be reduced in Tomcat 10.1.x / Tomcat Native 2.x onwards to only include those components required to provide OpenSSL integration with the NIO and NIO2 connectors.
org.apache.tomcat.jni.User	The scope of the APR/Native Library will be reduced in Tomcat 10.1.x / Tomcat Native 2.x onwards to only include those components required to provide OpenSSL integration with the NIO and NIO2 connectors.
org.apache.tomcat.util.compat.TLS	Unused. This will be removed in Tomcat 10.
org.apache.tomcat.util.digester.Digester.EnvironmentPropertySource	Use EnvironmentPropertySource This will be removed in Tomcat 10 onwards.
org.apache.tomcat.util.digester.RuleSetBase	Unnecessary once deprecated methods are removed. Will be removed in Tomcat 9.
org.apache.tomcat.util.http.parser.Vary	Use TokenList.
org.apache.tomcat.util.net.AprEndpoint	The APR/Native Connector will be removed in Tomcat 10.1.x onwards.
org.apache.tomcat.util.net.AprSSLSupport	The APR/Native Connector will be removed in Tomcat 10.1.x onwards.
org.apache.tomcat.util.net.ContainerThreadMarker	Unused. Will be removed in Tomcat 10.1.x
org.apache.tomcat.util.security.MD5Encoder	Unused. Use HexUtils instead. Will be removed in Tomcat 11.

Exceptions

Exceptions	Description
org.apache.tomcat.jni.Error	Unused. Will be removed in Tomcat 10.1
org.apache.tomcat.util.codec.DecoderException	This exception is unused and will be removed in Tomcat 9
org.apache.tomcat.util.codec.EncoderException	This exception is unused and will be removed in Tomcat 9

Fields

Field	Description
org.apache.catalina.authenticator.Constants.FORM_PRINCIPAL_NOTE	Unused. Will be removed in Tomcat 10.
org.apache.catalina.authenticator.Constants.USE_SUBJECT_CREDS_ONLY_PROPERTY	Unused. Will be removed in Tomcat 9.
org.apache.catalina.connector.Connector.URIEncoding	This will be removed in 9.0.x onwards
org.apache.catalina.connector.Connector.URIEncodingLower	This will be removed in 9.0.x onwards
org.apache.catalina.connector.Request.formats	Unused. This will be removed in Tomcat 10
org.apache.catalina.connector.Request.GMT_ZONE	Unused. This will be removed in Tomcat 10.
org.apache.catalina.connector.Response.format	Unused. This will be removed in Tomcat 10
org.apache.catalina.core.Constants.Package
org.apache.catalina.core.StandardWrapper.instancePool	This will be removed in Tomcat 10.1 onwards.
org.apache.catalina.core.StandardWrapper.maxInstances	This will be removed in Tomcat 10.1 onwards.
org.apache.catalina.core.StandardWrapper.nInstances	This will be removed in Tomcat 10.1 onwards.
org.apache.catalina.core.StandardWrapper.singleThreadModel	This will be removed in Tomcat 10.1 onwards.
org.apache.catalina.filters.CorsFilter.REQUEST_HEADER_VARY	Unused. Will be removed in Tomcat 10
org.apache.catalina.Globals.SSI_FLAG_ATTR	Unused. This is no longer used as the CGIO servlet now has generic handling for when it is used as an include. This will be removed in Tomcat 10
org.apache.catalina.ha.deploy.FileMessageFactory.creationTime	Unused. This will be removed in Tomcat 11.
org.apache.catalina.ha.session.DeltaManager.managerName	Unused. Will be removed in Tomcat 9
org.apache.catalina.loader.WebappClassLoaderBase.allPermission	Unused. This will be removed in Tomcat 9.
org.apache.catalina.mapper.MappingData.contextPath	Unused. This will be removed in Tomcat 10.
org.apache.catalina.realm.CombinedRealm.name	This will be removed in Tomcat 9 onwards.
org.apache.catalina.realm.DataSourceRealm.name	This will be removed in Tomcat 9 onwards.
org.apache.catalina.realm.JAASRealm.name	This will be removed in Tomcat 9 onwards.
org.apache.catalina.realm.JDBCRealm.name	This will be removed in Tomcat 9 onwards.
org.apache.catalina.realm.JNDIRealm.name	This will be removed in Tomcat 9 onwards.
org.apache.catalina.realm.MemoryRealm.name	This will be removed in Tomcat 9 onwards.
org.apache.catalina.realm.UserDatabaseRealm.name	This will be removed in Tomcat 9 onwards.
org.apache.catalina.servlets.DefaultServlet.RESOURCES_JNDI_NAME	Unused. Will be removed in Tomcat 9.
org.apache.catalina.session.StandardSession.sessionContext
org.apache.catalina.startup.HostConfig.serviced	Unused. Will be removed in Tomcat 10.1.x onwards. Replaced by the private servicedSet field.
org.apache.catalina.tribes.membership.MemberImpl.DO_DNS_LOOKUPS	This will be removed without replacement in Tomact 10 onwards
org.apache.catalina.util.DOMWriter.canonical	Will be made private in Tomcat 9.
org.apache.catalina.util.DOMWriter.out	Will be made private in Tomcat 9.
org.apache.coyote.Constants.DEFAULT_CHARACTER_ENCODING	This will be removed in Tomcat 9.0.x onwards.
org.apache.coyote.Constants.USE_CUSTOM_STATUS_MSG_IN_HEADER	This option will be removed in Tomcat 9. Reason phrase will not be sent.
org.apache.coyote.http11.Constants.ACK_BYTES_REASON	This option will be removed in Tomcat 9. Reason phrase will not be sent.
org.apache.coyote.http11.Constants.CLOSE_BYTES	Unused. Will be removed in Tomcat 10.
org.apache.coyote.http11.Constants.KEEPALIVE	Unused. Will be removed in Tomcat 10.
org.apache.coyote.http11.Constants.KEEPALIVE_BYTES	Unused. Will be removed in Tomcat 10.
org.apache.tomcat.jni.Library.APR_CHARSET_EBCDIC
org.apache.tomcat.jni.Library.APR_FILES_AS_SOCKETS
org.apache.tomcat.jni.Library.APR_HAS_DSO
org.apache.tomcat.jni.Library.APR_HAS_FORK
org.apache.tomcat.jni.Library.APR_HAS_LARGE_FILES
org.apache.tomcat.jni.Library.APR_HAS_MMAP
org.apache.tomcat.jni.Library.APR_HAS_OS_UUID
org.apache.tomcat.jni.Library.APR_HAS_OTHER_CHILD
org.apache.tomcat.jni.Library.APR_HAS_PROC_INVOKED
org.apache.tomcat.jni.Library.APR_HAS_RANDOM
org.apache.tomcat.jni.Library.APR_HAS_SENDFILE
org.apache.tomcat.jni.Library.APR_HAS_SHARED_MEMORY
org.apache.tomcat.jni.Library.APR_HAS_SO_ACCEPTFILTER
org.apache.tomcat.jni.Library.APR_HAS_THREADS
org.apache.tomcat.jni.Library.APR_HAS_UNICODE_FS
org.apache.tomcat.jni.Library.APR_HAS_USER
org.apache.tomcat.jni.Library.APR_HAS_XTHREAD_FILES
org.apache.tomcat.jni.Library.APR_HAVE_IPV6
org.apache.tomcat.jni.Library.APR_IS_BIGENDIAN
org.apache.tomcat.jni.Library.APR_MAX_IOVEC_SIZE
org.apache.tomcat.jni.Library.APR_MAX_SECS_TO_LINGER
org.apache.tomcat.jni.Library.APR_MMAP_LIMIT
org.apache.tomcat.jni.Library.APR_MMAP_THRESHOLD
org.apache.tomcat.jni.Library.APR_O_NONBLOCK_INHERITED
org.apache.tomcat.jni.Library.APR_PATH_MAX
org.apache.tomcat.jni.Library.APR_SIZEOF_VOIDP
org.apache.tomcat.jni.Library.APR_TCP_NODELAY_INHERITED
org.apache.tomcat.jni.Library.APRMAXHOSTLEN
org.apache.tomcat.jni.OS.IS_NETWARE	Hard-coded to false since there has not been a supported Netware platform for many years. This will be removed in Tomcat 10 onwards
org.apache.tomcat.jni.SSL.SSL_OP_PKCS1_CHECK_1	Unsupported in the current version of OpenSSL
org.apache.tomcat.jni.SSL.SSL_OP_PKCS1_CHECK_2	Unsupported in the current version of OpenSSL
org.apache.tomcat.util.buf.UDecoder.ALLOW_ENCODED_SLASH
org.apache.tomcat.util.digester.CallMethodRule.paramClassNames	Unused. This will be removed in Tomcat 9.
org.apache.tomcat.util.digester.RulesBase.namespaceURI	Unused. Will be removed in Tomcat 9.0.x
org.apache.tomcat.util.digester.RuleSetBase.namespaceURI	Unused. This will be removed in Tomcat 9.
org.apache.tomcat.util.http.FastHttpDateFormat.RFC1123_DATE	Unused. This will be removed in Tomcat 10.
org.apache.tomcat.util.http.Parameters.DEFAULT_ENCODING	This will be removed in Tomcat 9.0.x
org.apache.tomcat.util.net.AbstractEndpoint.acceptorThreadCount	This attribute is hard-coded to 1 and is no longer configurable. It will be removed in Tomcat 10.1.

Methods

Method	Description
org.apache.catalina.authenticator.DigestAuthenticator.DigestInfo.validate(Request)
org.apache.catalina.connector.Connector.getAttribute(String)	Use Connector.getProperty(String). This will be removed in Tomcat 10 onwards.
org.apache.catalina.connector.Connector.getURIEncodingLower()	This will be removed in 9.0.x onwards
org.apache.catalina.connector.Connector.setAttribute(String, Object)	Use Connector.setProperty(String, String). This will be removed in Tomcat 10 onwards.
org.apache.catalina.connector.Connector.setProtocol(String)	Will be removed in Tomcat 9. Protocol must be configured via the constructor
org.apache.catalina.connector.Connector.setProtocolHandlerClassName(String)	Will be removed in Tomcat 9. Protocol must be configured via the constructor
org.apache.catalina.connector.InputBuffer.setEncoding(String)	This method will be removed in Tomcat 9.0.x
org.apache.catalina.connector.OutputBuffer.setEncoding(String)	This method will be removed in Tomcat 9.0.x
org.apache.catalina.connector.Request.getRealPath(String)	As of version 2.1 of the Java Servlet API, use ServletContext.getRealPath().
org.apache.catalina.connector.Request.isRequestedSessionIdFromUrl()	As of Version 2.1 of the Java Servlet API, use isRequestedSessionIdFromURL() instead.
org.apache.catalina.connector.Request.setContext(Context)	Use setters on MappingData object. Depending on use case, you may need to update other MappingData fields as well, such as contextSlashCount and host.
org.apache.catalina.connector.Request.setWrapper(Wrapper)	Use setters on MappingData object. Depending on use case, you may need to update other MappingData fields as well, such as context and contextSlashCount.
org.apache.catalina.connector.Response.encodeRedirectUrl(String)	As of Version 2.1 of the Java Servlet API, use encodeRedirectURL() instead.
org.apache.catalina.connector.Response.encodeUrl(String)	As of Version 2.1 of the Java Servlet API, use encodeURL() instead.
org.apache.catalina.connector.Response.sendAcknowledgement()	Unused. Will be removed in Tomcat 10. Use Response.sendAcknowledgement(ContinueResponseTiming).
org.apache.catalina.connector.Response.setStatus(int, String)	As of Version 2.1 of the Java Servlet API, this method has been deprecated due to the ambiguous meaning of the message parameter.
org.apache.catalina.Context.addServletMapping(String, String)	Will be removed in Tomcat 9. Use Context.addServletMappingDecoded(String, String)
org.apache.catalina.Context.findErrorPage(String)	Unused. Will be removed in Tomcat 10. Use Context.findErrorPage(Throwable) instead.
org.apache.catalina.Context.findStatusPage(int)	Unused. Will be removed in Tomcat 10. Use Context.findErrorPage(int) instead.
org.apache.catalina.Context.findStatusPages()	Unused. Will be removed in Tomcat 10. Use Context.findErrorPages() instead.
org.apache.catalina.core.ApplicationContext.getServlet(String)
org.apache.catalina.core.ApplicationContext.getServletNames()
org.apache.catalina.core.ApplicationContext.getServlets()
org.apache.catalina.core.ApplicationContext.log(Exception, String)
org.apache.catalina.core.ApplicationContextFacade.getServlet(String)	As of Java Servlet API 2.1, with no direct replacement.
org.apache.catalina.core.ApplicationContextFacade.getServletNames()	As of Java Servlet API 2.1, with no direct replacement.
org.apache.catalina.core.ApplicationContextFacade.getServlets()	As of Java Servlet API 2.1, with no direct replacement.
org.apache.catalina.core.ApplicationContextFacade.log(Exception, String)	As of Java Servlet API 2.1, use log(String, Throwable) instead
org.apache.catalina.core.NamingContextListener.containerEvent(ContainerEvent)	The ContainerListener interface and implementing methods will be removed from this class for Tomcat 10 onwards.
org.apache.catalina.core.StandardContext.addServletMapping(String, String)
org.apache.catalina.core.StandardContext.dynamicServletAdded(Wrapper)	This will be removed in Tomcat 9. The registration should be created directly.
org.apache.catalina.core.StandardContext.findErrorPage(String)
org.apache.catalina.core.StandardContext.findStatusPage(int)
org.apache.catalina.core.StandardContext.findStatusPages()
org.apache.catalina.core.StandardThreadExecutor.execute(Runnable, long, TimeUnit)
org.apache.catalina.core.StandardWrapper.getMaxInstances()	This will be removed in Tomcat 10.1 onwards.
org.apache.catalina.core.StandardWrapper.isContainerProvidedServlet(String)	Unused. Will be removed in Tomcat 9
org.apache.catalina.core.StandardWrapper.isSingleThreadModel()	This will be removed in Tomcat 10.1 onwards.
org.apache.catalina.core.StandardWrapper.setMaxInstances(int)	This will be removed in Tomcat 10.1 onwards.
org.apache.catalina.Executor.execute(Runnable, long, TimeUnit)	Unused. Will be removed in Tomcat 10.1.x onwards.
org.apache.catalina.filters.CorsFilter.isValidOrigin(String)	This will be removed in Tomcat 10 Use RequestUtil.isValidOrigin(String)
org.apache.catalina.filters.CsrfPreventionFilter.CsrfResponseWrapper.encodeRedirectUrl(String)
org.apache.catalina.filters.CsrfPreventionFilter.CsrfResponseWrapper.encodeUrl(String)
org.apache.catalina.filters.CsrfPreventionFilterBase.generateNonce()	Use CsrfPreventionFilterBase.generateNonce(HttpServletRequest) instead. This method will be removed in Apache Tomcat 10.1.x onwards.
org.apache.catalina.filters.ExpiresFilter.getExpirationDate(ExpiresFilter.XHttpServletResponse)	Will be removed in Tomcat 10. Use ExpiresFilter.getExpirationDate(HttpServletRequest, XHttpServletResponse)
org.apache.catalina.filters.RemoteIpFilter.listToCommaDelimitedString(List<String>)	Unused. Will be removed in Tomcat 11 onwards
org.apache.catalina.ha.deploy.FarmWarDeployer.addServiced(String)	Unused. Will be removed in Tomcat 10.1.x onwards. Use FarmWarDeployer.tryAddServiced(java.lang.String)
org.apache.catalina.ha.deploy.FarmWarDeployer.isServiced(String)	Unused. Will be removed in Tomcat 10.1.x onwards.
org.apache.catalina.ha.session.DeltaManager.deserializeDeltaRequest(DeltaSession, byte[])	Unused. This will be removed in Tomcat 10. Calling this method may result in a deadlock. See: https://bz.apache.org/bugzilla/show_bug.cgi?id=62841
org.apache.catalina.ha.session.DeltaManager.getCounterNoStateTransfered()	Use DeltaManager.getCounterNoStateTransferred(). Will be removed in Tomcat 10 onwards.
org.apache.catalina.ha.session.DeltaManager.getNewDeltaSession()	Unused. This will be removed in Tomcat 10.
org.apache.catalina.ha.session.DeltaManager.getStateTransfered()	Use DeltaManager.getStateTransferred(). Will be removed in Tomcat 10 onwards.
org.apache.catalina.ha.session.DeltaManager.serializeDeltaRequest(DeltaSession, DeltaRequest)	Unused. This will be removed in Tomcat 10. Calling this method may result in a deadlock. See: https://bz.apache.org/bugzilla/show_bug.cgi?id=62841
org.apache.catalina.ha.session.DeltaManager.setStateTransfered(boolean)	Use DeltaManager.setStateTransferred(boolean). Will be removed in Tomcat 10 onwards.
org.apache.catalina.Loader.getReloadable()	Use Context.getReloadable(). This method will be removed in Tomcat 10.
org.apache.catalina.Loader.setReloadable(boolean)	Use Context.setReloadable(boolean). This method will be removed in Tomcat 10.
org.apache.catalina.loader.WebappClassLoaderBase.filter(String)	Use WebappClassLoaderBase.filter(String, boolean) This will be removed in Tomcat 9
org.apache.catalina.loader.WebappClassLoaderBase.getResources()	This will be removed in Tomcat 10.1.x onwards
org.apache.catalina.manager.ManagerServlet.addServiced(String)	Unused. Will be removed in Tomcat 10.1.x onwards. Use ManagerServlet.tryAddServiced(java.lang.String)
org.apache.catalina.manager.ManagerServlet.isServiced(String)	Unused. Will be removed in Tomcat 10.1.x onwards.
org.apache.catalina.manager.ManagerServlet.printResources(PrintWriter, String, Context, String, Class<?>, StringManager)	Use ManagerServlet.printResources(PrintWriter, String, javax.naming.Context, String, StringManager) This method will be removed in Tomcat 10.x onwards
org.apache.catalina.manager.StatusTransformer.filter(Object)	This method will be removed in Tomcat 9
org.apache.catalina.manager.StatusTransformer.filterXml(String)	This method will be removed in Tomcat 9
org.apache.catalina.mbeans.ContextMBean.findErrorPage(String)	Unused. Will be removed in Tomcat 10. Use ContextMBean.findErrorPage(Throwable) instead.
org.apache.catalina.mbeans.MBeanFactory.createJDBCRealm(String, String, String, String, String)	This method will be removed in Tomcat 10. Use a DataSourceRealm instead.
org.apache.catalina.Realm.authenticate(String, String, String, String, String, String, String, String)	Unused. Use Realm.authenticate(String, String, String, String, String, String, String, String, String). Will be removed in Tomcat 11.
org.apache.catalina.realm.CombinedRealm.getName()
org.apache.catalina.realm.DataSourceRealm.getName()
org.apache.catalina.Realm.getRoles(Principal)	This will be removed in Tomcat 10.
org.apache.catalina.realm.JAASRealm.getName()
org.apache.catalina.realm.JDBCRealm.getName()
org.apache.catalina.realm.JNDIRealm.doRFC2254Encoding(String)	Will be removed in Tomcat 10.1.x onwards
org.apache.catalina.realm.JNDIRealm.getName()
org.apache.catalina.realm.MemoryRealm.getName()
org.apache.catalina.realm.NullRealm.getName()
org.apache.catalina.realm.RealmBase.authenticate(String, String, String, String, String, String, String, String)
org.apache.catalina.realm.RealmBase.Digest(String, String, String)	Unused. This will be removed in Tomcat 9.
org.apache.catalina.realm.RealmBase.getDigest(String, String)	Unused. Use RealmBase.getDigest(String, String, String). Will be removed in Tomcat 11.
org.apache.catalina.realm.RealmBase.getName()	This will be removed in Tomcat 9 onwards. Use Class.getSimpleName() instead.
org.apache.catalina.realm.RealmBase.getPrincipal(String, GSSCredential)	This will be removed in Tomcat 10 onwards. Use RealmBase.getPrincipal(GSSName, GSSCredential) instead.
org.apache.catalina.realm.UserDatabaseRealm.getName()
org.apache.catalina.servlets.DefaultServlet.copy(WebResource, InputStream, ServletOutputStream)	Unused. This will be removed in Tomcat 9. Use DefaultServlet.copy(InputStream, ServletOutputStream)
org.apache.catalina.servlets.DefaultServlet.getReadme(WebResource)	Unused. Will be removed in Tomcat 9
org.apache.catalina.servlets.DefaultServlet.render(String, WebResource)	Unused. Will be removed in Tomcat 9
org.apache.catalina.servlets.DefaultServlet.renderHtml(String, WebResource)	Unused. Will be removed in Tomcat 9
org.apache.catalina.servlets.DefaultServlet.renderXml(String, WebResource, Source)	Unused. Will be removed in Tomcat 9
org.apache.catalina.session.ManagerBase.getPersistAuthenticationNotes()	Will be removed in Tomcat 10.1.x where it is effectively hard-coded to true
org.apache.catalina.session.ManagerBase.setPersistAuthenticationNotes(boolean)	Will be removed in Tomcat 10.1.x where it is effectively hard-coded to true
org.apache.catalina.session.StandardSession.getSessionContext()	As of Version 2.1, this method is deprecated and has no replacement. It will be removed in a future version of the Java Servlet API.
org.apache.catalina.session.StandardSession.getValue(String)	As of Version 2.2, this method is replaced by getAttribute()
org.apache.catalina.session.StandardSession.getValueNames()	As of Version 2.2, this method is replaced by getAttributeNames()
org.apache.catalina.session.StandardSession.putValue(String, Object)	As of Version 2.2, this method is replaced by setAttribute()
org.apache.catalina.session.StandardSession.removeValue(String)	As of Version 2.2, this method is replaced by removeAttribute()
org.apache.catalina.session.StandardSessionFacade.getSessionContext()	As of Version 2.1, this method is deprecated and has no replacement.
org.apache.catalina.session.StandardSessionFacade.getValue(String)	As of Version 2.2, this method is replaced by StandardSessionFacade.getAttribute(java.lang.String).
org.apache.catalina.session.StandardSessionFacade.getValueNames()	As of Version 2.2, this method is replaced by StandardSessionFacade.getAttributeNames()
org.apache.catalina.session.StandardSessionFacade.putValue(String, Object)	As of Version 2.2, this method is replaced by StandardSessionFacade.setAttribute(java.lang.String, java.lang.Object)
org.apache.catalina.session.StandardSessionFacade.removeValue(String)	As of Version 2.2, this method is replaced by StandardSessionFacade.removeAttribute(java.lang.String)
org.apache.catalina.startup.Catalina.initDirs()	unused. Will be removed in Tomcat 10 onwards.
org.apache.catalina.startup.HostConfig.addServiced(String)	Unused. This method will be removed in Tomcat 10.1.x onwards. Use HostConfig.tryAddServiced(java.lang.String) instead.
org.apache.catalina.startup.HostConfig.isServiced(String)	Unused. This method will be removed in Tomcat 10.1.x onwards. Use HostConfig.tryAddServiced(java.lang.String) instead.
org.apache.catalina.startup.Tomcat.addWebapp(Host, String, String, ContextConfig)	Use Tomcat.addWebapp(Host, String, String, LifecycleListener) instead
org.apache.catalina.storeconfig.StoreAppender.convertStr(String)	This method will be removed in Tomcat 9
org.apache.catalina.users.MemoryUserDatabase.isWriteable()	Use MemoryUserDatabase.isWritable(). This method will be removed in Tomcat 10.1.x onwards.
org.apache.catalina.util.DOMWriter.getWriterEncoding()	Unused. Will be removed in Tomcat 9.
org.apache.catalina.util.DOMWriter.normalize(String)	Will be made private in Tomcat 9.
org.apache.catalina.util.DOMWriter.sortAttributes(NamedNodeMap)	Will be made private in Tomcat 9.
org.apache.catalina.util.RequestUtil.filter(String)	This method will be removed in Tomcat 9
org.apache.catalina.util.URLEncoder.encode(String)	Use URLEncoder.encode(String, String)
org.apache.catalina.valves.RemoteIpValve.listToCommaDelimitedString(List<String>)	Unused. This will be removed in Tomcat 10.1.x onwards. Use StringUtils.join(java.util.Collection) instead
org.apache.catalina.valves.rewrite.Resolver.getUriEncoding()	This will be removed in Tomcat 9.0.x
org.apache.catalina.valves.rewrite.ResolverImpl.getUriEncoding()
org.apache.catalina.Wrapper.servletSecurityAnnotationScan()	This will be removed in Tomcat 9.
org.apache.catalina.Wrapper.setServletSecurityAnnotationScanRequired(boolean)	This will be removed in Tomcat 9.
org.apache.coyote.AbstractProcessor.ack()	Unused. This will be removed in Tomcat 10 onwards. Use AbstractProcessor.ack(ContinueResponseTiming).
org.apache.coyote.AbstractProtocol.getAcceptorThreadCount()	This attribute is hard-coded to 1 and is no longer configurable.
org.apache.coyote.AbstractProtocol.getBacklog()
org.apache.coyote.AbstractProtocol.getSendReasonPhrase()	This option will be removed in Tomcat 9. Reason phrase will not be sent.
org.apache.coyote.AbstractProtocol.getSoLinger()
org.apache.coyote.AbstractProtocol.getSoTimeout()
org.apache.coyote.AbstractProtocol.setAcceptorThreadCount(int)	This attribute is hard-coded to 1 and is no longer configurable.
org.apache.coyote.AbstractProtocol.setBacklog(int)
org.apache.coyote.AbstractProtocol.setSendReasonPhrase(boolean)	This option will be removed in Tomcat 9. Reason phrase will not be sent.
org.apache.coyote.AbstractProtocol.setSoLinger(int)
org.apache.coyote.AbstractProtocol.setSoTimeout(int)
org.apache.coyote.ajp.AbstractAjpProtocol.getRequiredSecret()	Replaced by AbstractAjpProtocol.getSecret(). Will be removed in Tomcat 11 onwards
org.apache.coyote.ajp.AbstractAjpProtocol.setRequiredSecret(String)	Replaced by AbstractAjpProtocol.setSecret(String). Will be removed in Tomcat 11 onwards
org.apache.coyote.ajp.AjpProcessor.setRequiredSecret(String)
org.apache.coyote.ajp.AjpProcessor.SocketInputBuffer.doRead(ByteChunk)	Unused. Will be removed in Tomcat 9. Use AjpProcessor.SocketInputBuffer.doRead(ApplicationBufferHandler)
org.apache.coyote.ajp.AjpProcessor.SocketOutputBuffer.doWrite(ByteChunk)	Unused. Will be removed in Tomcat 9. Use AjpProcessor.SocketOutputBuffer.doWrite(ByteBuffer)
org.apache.coyote.CompressionConfig.getNoCompressionStrongETag()	Will be removed in Tomcat 10 where it will be hard-coded to true
org.apache.coyote.CompressionConfig.setNoCompressionStrongETag(boolean)	Will be removed in Tomcat 10 where it will be hard-coded to true
org.apache.coyote.http11.AbstractHttp11Protocol.getAllowHostHeaderMismatch()	This will removed in Tomcat 11 onwards where allowHostHeaderMismatch will be hard-coded to false.
org.apache.coyote.http11.AbstractHttp11Protocol.getCompressableMimeType()	Use AbstractHttp11Protocol.getCompressibleMimeType()
org.apache.coyote.http11.AbstractHttp11Protocol.getCompressableMimeTypes()	Use AbstractHttp11Protocol.getCompressibleMimeTypes()
org.apache.coyote.http11.AbstractHttp11Protocol.getNoCompressionStrongETag()
org.apache.coyote.http11.AbstractHttp11Protocol.getRejectIllegalHeader()	This will removed in Tomcat 11 onwards where allowHostHeaderMismatch will be hard-coded to true.
org.apache.coyote.http11.AbstractHttp11Protocol.getRejectIllegalHeaderName()	Now an alias for AbstractHttp11Protocol.getRejectIllegalHeader(). Will be removed in Tomcat 10 onwards.
org.apache.coyote.http11.AbstractHttp11Protocol.setAllowHostHeaderMismatch(boolean)	This will removed in Tomcat 11 onwards where allowHostHeaderMismatch will be hard-coded to false.
org.apache.coyote.http11.AbstractHttp11Protocol.setCompressableMimeType(String)	Use AbstractHttp11Protocol.setCompressibleMimeType(String)
org.apache.coyote.http11.AbstractHttp11Protocol.setNoCompressionStrongETag(boolean)
org.apache.coyote.http11.AbstractHttp11Protocol.setRejectIllegalHeader(boolean)	This will removed in Tomcat 11 onwards where allowHostHeaderMismatch will be hard-coded to true.
org.apache.coyote.http11.AbstractHttp11Protocol.setRejectIllegalHeaderName(boolean)	Now an alias for AbstractHttp11Protocol.setRejectIllegalHeader(boolean). Will be removed in Tomcat 10 onwards.
org.apache.coyote.http11.filters.BufferedInputFilter.doRead(ByteChunk)	Unused. Will be removed in Tomcat 9. Use BufferedInputFilter.doRead(ApplicationBufferHandler)
org.apache.coyote.http11.filters.ChunkedInputFilter.doRead(ByteChunk)	Unused. Will be removed in Tomcat 9. Use ChunkedInputFilter.doRead(ApplicationBufferHandler)
org.apache.coyote.http11.filters.ChunkedOutputFilter.doWrite(ByteChunk)	Unused. Will be removed in Tomcat 9. Use ChunkedOutputFilter.doWrite(ByteBuffer)
org.apache.coyote.http11.filters.GzipOutputFilter.doWrite(ByteChunk)	Unused. Will be removed in Tomcat 9. Use GzipOutputFilter.doWrite(ByteBuffer)
org.apache.coyote.http11.filters.IdentityInputFilter.doRead(ByteChunk)	Unused. Will be removed in Tomcat 9. Use IdentityInputFilter.doRead(ApplicationBufferHandler)
org.apache.coyote.http11.filters.IdentityOutputFilter.doWrite(ByteChunk)	Unused. Will be removed in Tomcat 9. Use IdentityOutputFilter.doWrite(ByteBuffer)
org.apache.coyote.http11.filters.SavedRequestInputFilter.doRead(ByteChunk)	Unused. Will be removed in Tomcat 9. Use SavedRequestInputFilter.doRead(ApplicationBufferHandler)
org.apache.coyote.http11.filters.VoidInputFilter.doRead(ByteChunk)	Unused. Will be removed in Tomcat 9. Use VoidInputFilter.doRead(ApplicationBufferHandler)
org.apache.coyote.http11.filters.VoidOutputFilter.doWrite(ByteChunk)	Unused. Will be removed in Tomcat 9. Use VoidOutputFilter.doWrite(ByteBuffer)
org.apache.coyote.http11.Http11InputBuffer.doRead(ByteChunk)	Unused. Will be removed in Tomcat 9. Use Http11InputBuffer.doRead(ApplicationBufferHandler)
org.apache.coyote.http11.Http11NioProtocol.getPollerThreadCount()	This getter will be removed in Tomcat 10.
org.apache.coyote.http11.Http11NioProtocol.setPollerThreadCount(int)	This setter will be removed in Tomcat 10.
org.apache.coyote.http11.Http11OutputBuffer.doWrite(ByteChunk)	Unused. Will be removed in Tomcat 9. Use Http11OutputBuffer.doWrite(ByteBuffer)
org.apache.coyote.http11.Http11OutputBuffer.SocketOutputBuffer.doWrite(ByteChunk)	Unused. Will be removed in Tomcat 9. Use Http11OutputBuffer.SocketOutputBuffer.doWrite(ByteBuffer)
org.apache.coyote.http11.Http11Processor.getCompression()	Use AbstractHttp11Protocol.getCompression()
org.apache.coyote.http11.Http11Processor.setCompressableMimeTypes(String[])	Use AbstractHttp11Protocol.setCompressibleMimeType(String)
org.apache.coyote.http11.Http11Processor.setCompressibleMimeTypes(String[])	Use AbstractHttp11Protocol.setCompressibleMimeType(String)
org.apache.coyote.http11.Http11Processor.setCompression(String)	Use AbstractHttp11Protocol.setCompression(String)
org.apache.coyote.http11.Http11Processor.setCompressionMinSize(int)	Use AbstractHttp11Protocol.setCompressionMinSize(int)
org.apache.coyote.http11.Http11Processor.setNoCompressionUserAgents(String)	Use AbstractHttp11Protocol.setNoCompressionUserAgents(String)
org.apache.coyote.http11.Http11Processor.setServer(String)	Use AbstractHttp11Protocol.setServer(String)
org.apache.coyote.http11.Http11Processor.setServerRemoveAppProvidedValues(boolean)
org.apache.coyote.http2.Http2OutputBuffer.doWrite(ByteChunk)
org.apache.coyote.http2.Http2Protocol.getNoCompressionStrongETag()
org.apache.coyote.http2.Http2Protocol.setNoCompressionStrongETag(boolean)
org.apache.coyote.InputBuffer.doRead(ByteChunk)	Unused. Will be removed in Tomcat 9. Use InputBuffer.doRead(ApplicationBufferHandler)
org.apache.coyote.OutputBuffer.doWrite(ByteChunk)	Unused. Will be removed in Tomcat 9. Use OutputBuffer.doWrite(ByteBuffer)
org.apache.coyote.ProtocolHandler.isAprRequired()	This method will be removed in Tomcat 10.1.x onwards
org.apache.coyote.Request.doRead(ByteChunk)	Unused. Will be removed in Tomcat 9. Use Request.doRead(ApplicationBufferHandler)
org.apache.coyote.Request.setCharacterEncoding(String)	This method will be removed in Tomcat 9.0.x
org.apache.coyote.Response.doWrite(ByteChunk)	Unused. Will be removed in Tomcat 9. Use Response.doWrite(ByteBuffer)
org.apache.jasper.compiler.JspUtil.escapeXml(String)	This method will be removed in Tomcat 9
org.apache.jasper.compiler.SmapGenerator.addSmap(String, String)	Unused. This will be removed in Tomcat 9.0.x
org.apache.jasper.compiler.SmapGenerator.addStratum(SmapStratum, boolean)	Use SmapGenerator.setStratum(SmapStratum)
org.apache.jasper.compiler.SmapGenerator.setDoEmbedded(boolean)	Unused. Will be removed in Tomcat 9.0.x
org.apache.jasper.compiler.SmapStratum.getStratumName()	Unused. This will be removed in Tomcat 9.0.x
org.apache.jasper.JspC.scanFiles(File)	This will be removed in Tomcat 10. Use JspC.scanFiles()
org.apache.jasper.JspC.setWebXmlFragment(String)	Will be removed in Tomcat 10. Use JspC.setWebXmlInclude(String)
org.apache.jasper.runtime.JspContextWrapper.getExpressionEvaluator()
org.apache.jasper.runtime.JspContextWrapper.getVariableResolver()
org.apache.jasper.runtime.JspContextWrapper.resolveVariable(String)
org.apache.jasper.runtime.PageContextImpl.getExpressionEvaluator()
org.apache.jasper.runtime.PageContextImpl.getVariableResolver()
org.apache.jasper.security.SecurityUtil.filter(String)	This method will be removed in Tomcat 9
org.apache.jasper.servlet.JspCServletContext.getServlet(String)	This method has been deprecated with no replacement
org.apache.jasper.servlet.JspCServletContext.getServletNames()	This method has been deprecated with no replacement
org.apache.jasper.servlet.JspCServletContext.getServlets()	This method has been deprecated with no replacement
org.apache.jasper.servlet.JspCServletContext.log(Exception, String)	Use log(String,Throwable) instead
org.apache.tomcat.dbcp.dbcp2.BasicDataSource.getEnableAutoCommitOnReturn()	Use BasicDataSource.getAutoCommitOnReturn().
org.apache.tomcat.dbcp.dbcp2.BasicDataSource.setEnableAutoCommitOnReturn(boolean)	Use BasicDataSource.setAutoCommitOnReturn(boolean).
org.apache.tomcat.dbcp.dbcp2.BasicDataSourceMXBean.getPassword()	exposing password via JMX is an Information Exposure issue.
org.apache.tomcat.dbcp.dbcp2.DelegatingCallableStatement.getBigDecimal(int, int)	Use DelegatingCallableStatement.getBigDecimal(int) or DelegatingCallableStatement.getBigDecimal(String)
org.apache.tomcat.dbcp.dbcp2.DelegatingPreparedStatement.setUnicodeStream(int, InputStream, int)	Use setAsciiStream(), setCharacterStream() or setNCharacterStream()
org.apache.tomcat.dbcp.dbcp2.DelegatingResultSet.getBigDecimal(int, int)	Use DelegatingResultSet.getBigDecimal(int)
org.apache.tomcat.dbcp.dbcp2.DelegatingResultSet.getUnicodeStream(int)	Use DelegatingResultSet.getCharacterStream(int)
org.apache.tomcat.dbcp.dbcp2.PoolableConnectionFactory.isEnableAutoCommitOnReturn()	Use PoolableConnectionFactory.isAutoCommitOnReturn().
org.apache.tomcat.dbcp.dbcp2.PoolableConnectionFactory.setEnableAutoCommitOnReturn(boolean)	Use PoolableConnectionFactory.setAutoCommitOnReturn(boolean).
org.apache.tomcat.dbcp.dbcp2.PoolableConnectionFactory.setMaxOpenPrepatedStatements(int)	Use PoolableConnectionFactory.setMaxOpenPreparedStatements(int).
org.apache.tomcat.dbcp.pool2.impl.CallStackUtils.newCallStack(String, boolean)	use CallStackUtils.newCallStack(String, boolean, boolean)
org.apache.tomcat.dbcp.pool2.PoolUtils.prefill(ObjectPool<T>, int)	Use ObjectPool.addObjects(int).
org.apache.tomcat.Jar.entryExists(String)	Unused. This will be removed in Tomcat 9 onwards.
org.apache.tomcat.jdbc.pool.interceptor.StatementCache.isCached(String)	Unused. Will be removed in Tomcat 9
org.apache.tomcat.jdbc.pool.PooledConnection.checkUser(String, String)	use PooledConnection.shouldForceReconnect(String, String) method kept since it was public, to avoid changing interface.
org.apache.tomcat.jni.Buffer.calloc(int, int)	Unused. Will be removed in Tomcat 10.1
org.apache.tomcat.jni.Buffer.create(long, int)	Unused. Will be removed in Tomcat 10.1
org.apache.tomcat.jni.Buffer.free(ByteBuffer)	Unused. Will be removed in Tomcat 10.1
org.apache.tomcat.jni.Buffer.malloc(int)	Unused. Will be removed in Tomcat 10.1
org.apache.tomcat.jni.Buffer.palloc(long, int)	Unused. Will be removed in Tomcat 10.1
org.apache.tomcat.jni.Buffer.pcalloc(long, int)	Unused. Will be removed in Tomcat 10.1
org.apache.tomcat.jni.Buffer.size(ByteBuffer)	Unused. Will be removed in Tomcat 10.1
org.apache.tomcat.jni.Library.globalPool()
org.apache.tomcat.jni.Library.load(String)	Unused. Will be removed in Tomcat 10.1.x
org.apache.tomcat.jni.Library.loadLibrary(String)	Unused. Will be removed in Tomcat 10.1.x
org.apache.tomcat.jni.Pool.alloc(long, int)	Unused. Will be removed in Tomcat 10.1
org.apache.tomcat.jni.Pool.calloc(long, int)	Unused. Will be removed in Tomcat 10.1
org.apache.tomcat.jni.Pool.cleanupForExec()	Unused. Will be removed in Tomcat 10.1
org.apache.tomcat.jni.Pool.cleanupKill(long, long)	Unused. Will be removed in Tomcat 10.1
org.apache.tomcat.jni.Pool.cleanupRegister(long, Object)	Unused. Will be removed in Tomcat 10.1
org.apache.tomcat.jni.Pool.clear(long)	Unused. Will be removed in Tomcat 10.1
org.apache.tomcat.jni.Pool.dataGet(long, String)	Unused. Will be removed in Tomcat 10.1
org.apache.tomcat.jni.Pool.dataSet(long, String, Object)	Unused. Will be removed in Tomcat 10.1
org.apache.tomcat.jni.Pool.isAncestor(long, long)	Unused. Will be removed in Tomcat 10.1
org.apache.tomcat.jni.Pool.noteSubprocess(long, long, int)	Unused. Will be removed in Tomcat 10.1
org.apache.tomcat.jni.Pool.parentGet(long)	Unused. Will be removed in Tomcat 10.1
org.apache.tomcat.jni.SSL.closeBIO(long)	Unused. Will be removed in Tomcat 10.1
org.apache.tomcat.jni.SSL.getError(long, int)	Unused. Will be removed in Tomcat 10.1
org.apache.tomcat.jni.SSL.getLastError()	Unused. Will be removed in Tomcat 10.1
org.apache.tomcat.jni.SSL.getNextProtoNegotiated(long)	Unused. Will be removed in Tomcat 10.1.x
org.apache.tomcat.jni.SSL.hasOp(int)	Unused. Will be removed in Tomcat 10.1
org.apache.tomcat.jni.SSL.newBIO(long, BIOCallback)	Unused. Will be removed in Tomcat 10.1
org.apache.tomcat.jni.SSL.randLoad(String)	Unused. Will be removed in Tomcat 10.1
org.apache.tomcat.jni.SSL.randMake(String, int, boolean)	Unused. Will be removed in Tomcat 10.1
org.apache.tomcat.jni.SSL.randSave(String)	Unused. Will be removed in Tomcat 10.1
org.apache.tomcat.jni.SSL.setBIO(long, long, long)	Unused. Will be removed in Tomcat 10.1
org.apache.tomcat.jni.SSL.setPassword(String)	Unused. Will be removed in Tomcat 10.1
org.apache.tomcat.jni.SSL.setPasswordCallback(PasswordCallback)	Unused. Will be removed in Tomcat 10.1
org.apache.tomcat.jni.SSL.setShutdown(long, int)	Unused. Will be removed in Tomcat 10.1
org.apache.tomcat.jni.SSLContext.registerDefault(Long, SSLContext.SNICallBack)	Unused. Will be removed in Tomcat 10.1
org.apache.tomcat.jni.SSLContext.setALPN(long, byte[], int)
org.apache.tomcat.jni.SSLContext.setBIO(long, long, int)	Unused. Will be removed in Tomcat 10.1
org.apache.tomcat.jni.SSLContext.setContextId(long, String)	Unused. Will be removed in Tomcat 10.1
org.apache.tomcat.jni.SSLContext.setNextProtos(long, String)	use SSLContext.setNpnProtos(long, String[], int)
org.apache.tomcat.jni.SSLContext.setNpnProtos(long, String[], int)	Unused. Will be removed in Tomcat 10.1.x
org.apache.tomcat.jni.SSLContext.setQuietShutdown(long, boolean)	Unused. Will be removed in Tomcat 10.1
org.apache.tomcat.jni.SSLContext.setRandom(long, String)	Unused. Will be removed in Tomcat 10.1
org.apache.tomcat.jni.SSLContext.setShutdownType(long, int)	Unused. Will be removed in Tomcat 10.1
org.apache.tomcat.jni.SSLContext.setTmpDH(long, String)	Unused. Will be removed in Tomcat 10.1
org.apache.tomcat.jni.SSLContext.setTmpECDHByCurveName(long, String)	Unused. Will be removed in Tomcat 10.1
org.apache.tomcat.jni.SSLContext.unregisterDefault(Long)	Unused. Will be removed in Tomcat 10.1
org.apache.tomcat.util.buf.B2CConverter.getCharsetLower(String)	Will be removed in Tomcat 9.0.x
org.apache.tomcat.util.buf.CharChunk.setOptimizedWrite(boolean)	Unused code. This is now a NO-OP and will be removed without replacement in Tomcat 10.
org.apache.tomcat.util.buf.UDecoder.convert(CharChunk, boolean)	Unused. Will be removed in Tomcat 10
org.apache.tomcat.util.buf.UDecoder.URLDecode(String)	Unused. This will be removed in Tomcat 10 onwards
org.apache.tomcat.util.codec.binary.BaseNCodec.decode(Object)	This unused method will be removed in Tomcat 9
org.apache.tomcat.util.codec.binary.BaseNCodec.encode(Object)	This unused method will be removed in Tomcat 9
org.apache.tomcat.util.descriptor.web.WebXml.setDuplicated(boolean)
org.apache.tomcat.util.descriptor.web.XmlEncodingBase.getEncoding()	This method will be removed in Tomcat 9
org.apache.tomcat.util.descriptor.web.XmlEncodingBase.setEncoding(String)	This method will be removed in Tomcat 9
org.apache.tomcat.util.digester.Digester.getRuleNamespaceURI()	Unused. Will be removed in Tomcat 9
org.apache.tomcat.util.digester.Digester.setRuleNamespaceURI(String)	Unused. Will be removed in Tomcat 9
org.apache.tomcat.util.digester.Rules.getNamespaceURI()	Unused. Will be removed in Tomcat 9
org.apache.tomcat.util.digester.Rules.setNamespaceURI(String)	Unused. Will be removed in Tomcat 9
org.apache.tomcat.util.digester.RuleSet.getNamespaceURI()	Unused. Will be removed in Tomcat 9
org.apache.tomcat.util.digester.RuleSetBase.getNamespaceURI()	Unused. This will be removed in Tomcat 9.
org.apache.tomcat.util.http.CookieProcessor.generateHeader(Cookie)	This method has been replaced with CookieProcessor.generateHeader(Cookie, HttpServletRequest) and will be removed from Tomcat 10 onwards.
org.apache.tomcat.util.http.CookieProcessorBase.generateHeader(Cookie, HttpServletRequest)	This implementation calls the deprecated CookieProcessor.generateHeader(Cookie) method. Implementors should not rely on this method as it is present only for transitional compatibility and will be removed in Tomcat 9.
org.apache.tomcat.util.http.FastHttpDateFormat.formatDate(long, DateFormat)	Unused. This will be removed in Tomcat 10
org.apache.tomcat.util.http.FastHttpDateFormat.parseDate(String, DateFormat[])	Unused. This will be removed in Tomcat 10 Use FastHttpDateFormat.parseDate(String)
org.apache.tomcat.util.http.Parameters.getEncoding()	This method will be removed in Tomcat 9.0.x
org.apache.tomcat.util.http.Parameters.processParameters(MessageBytes, String)	This method will be removed in Tomcat 9.0.x
org.apache.tomcat.util.http.Parameters.setEncoding(String)	This method will be removed in Tomcat 9.0.x
org.apache.tomcat.util.http.Parameters.setQueryStringEncoding(String)	This method will be removed in Tomcat 9
org.apache.tomcat.util.IntrospectionUtils.replaceProperties(String, Hashtable<Object, Object>, IntrospectionUtils.PropertySource[])	Use IntrospectionUtils.replaceProperties(String, Hashtable, PropertySource[], ClassLoader)
org.apache.tomcat.util.net.AbstractEndpoint.getAcceptorThreadCount()	This attribute is hard-coded to 1 and is no longer configurable. This getter will be removed in Tomcat 10.
org.apache.tomcat.util.net.AbstractEndpoint.getBacklog()
org.apache.tomcat.util.net.AbstractEndpoint.getSoLinger()
org.apache.tomcat.util.net.AbstractEndpoint.getSoTimeout()
org.apache.tomcat.util.net.AbstractEndpoint.Handler.getOpenSockets()	Unused, will be removed in Tomcat 10, replaced by AbstractEndpoint.getConnections
org.apache.tomcat.util.net.AbstractEndpoint.setAcceptorThreadCount(int)	This attribute is hard-coded to 1 and is no longer configurable. This setter will be removed in Tomcat 10.
org.apache.tomcat.util.net.AbstractEndpoint.setBacklog(int)
org.apache.tomcat.util.net.AbstractEndpoint.setSoLinger(int)
org.apache.tomcat.util.net.AbstractEndpoint.setSoTimeout(int)
org.apache.tomcat.util.net.Acceptor.stop()	This method will be removed in Tomcat 10.1.x onwards. Use Acceptor.stop(int) instead.
org.apache.tomcat.util.net.jsse.JSSEImplementation.getSSLSupport(SSLSession)
org.apache.tomcat.util.net.NioEndpoint.getPoller0()	Will be removed in Tomcat 9.
org.apache.tomcat.util.net.NioEndpoint.getPollerThreadCount()	Will be removed in Tomcat 10.
org.apache.tomcat.util.net.NioEndpoint.setPollerThreadCount(int)	Will be removed in Tomcat 10.
org.apache.tomcat.util.net.openssl.OpenSSLImplementation.getSSLSupport(SSLSession)
org.apache.tomcat.util.net.SocketWrapperBase.awaitReadComplete(long, TimeUnit)
org.apache.tomcat.util.net.SocketWrapperBase.awaitWriteComplete(long, TimeUnit)
org.apache.tomcat.util.net.SocketWrapperBase.isSecure()	Unused. Will be removed in Tomcat 10.
org.apache.tomcat.util.net.SocketWrapperBase.isUpgraded()	Unused. Will be removed in Tomcat 10.
org.apache.tomcat.util.net.SocketWrapperBase.setSecure(boolean)	Unused. Will be removed in Tomcat 10.
org.apache.tomcat.util.net.SocketWrapperBase.setUpgraded(boolean)	Unused. Will be removed in Tomcat 10.
org.apache.tomcat.util.net.SSLImplementation.getSSLSupport(SSLSession)	This will be removed in Tomcat 10.1.x onwards. Use SSLImplementation.getSSLSupport(SSLSession, Map).
org.apache.tomcat.util.scan.AbstractInputStreamJar.entryExists(String)
org.apache.tomcat.util.scan.JarFileUrlJar.entryExists(String)
org.apache.tomcat.util.scan.ReferenceCountedJar.entryExists(String)
org.apache.tomcat.util.threads.TaskQueue.force(Runnable, long, TimeUnit)	Unused. Will be removed in Tomcat 10.1.x.
org.apache.tomcat.util.threads.ThreadPoolExecutor.execute(Runnable, long, TimeUnit)	This will be removed in Tomcat 10.1.x onwards
org.apache.tomcat.websocket.Authenticator.getAuthorization(String, String, Map<String, Object>)	Use Authenticator.getAuthorization(String, String, String, String, String). Will be removed in Tomcat 10.1.x
org.apache.tomcat.websocket.Authenticator.parseWWWAuthenticateHeader(String)	Use Authenticator.parseAuthenticateHeader(String). Will be removed in Tomcat 10.1.x onwards
org.apache.tomcat.websocket.server.WsServerContainer.doUpgrade(HttpServletRequest, HttpServletResponse, ServerEndpointConfig, Map<String, String>)	This method will be removed in Apache Tomcat 10.1 onwards. It has been replaced by WsServerContainer.upgradeHttpToWebSocket(Object, Object, ServerEndpointConfig, Map)
org.apache.tomcat.websocket.Util.getDecoders(List<Class<? extends Decoder>>)	Will be removed in Tomcat 10.1.x. Use Util.getDecoders(List, InstanceManager)

Constructors

Constructor	Description
org.apache.catalina.authenticator.BasicAuthenticator.BasicCredentials(ByteChunk, Charset)	Unused. Will be removed in Tomcat 10. Use 3-arg constructor
org.apache.catalina.loader.WebappLoader(ClassLoader)	Use Container.setParentClassLoader(ClassLoader) to specify the required class loader. This method will be removed in Tomcat 10 onwards.
org.apache.catalina.util.DOMWriter(Writer, boolean)
org.apache.jasper.compiler.SmapStratum(String)	Use the no-arg constructor
org.apache.tomcat.dbcp.dbcp2.PStmtKey(String)	Use PStmtKey(String, String, String).
org.apache.tomcat.util.net.jsse.JSSESupport(SSLSession)	This will be removed in Tomcat 10.1.x onwards Use JSSESupport(SSLSession, Map)
org.apache.tomcat.util.security.PrivilegedGetTccl()
org.apache.tomcat.util.security.PrivilegedSetTccl(ClassLoader)
org.apache.tomcat.websocket.pojo.PojoEndpointClient(Object, List<Class<? extends Decoder>>)
org.apache.tomcat.websocket.pojo.PojoMethodMapping(Class<?>, List<Class<? extends Decoder>>, String)	Will be removed in Tomcat 10.1.x Use (@link PojoMethodMapping(Class, List, String, InstanceManager)
org.apache.tomcat.websocket.WsSession(Endpoint, WsRemoteEndpointImplBase, WsWebSocketContainer, URI, Map<String, List<String>>, String, Principal, String, List<Extension>, String, Map<String, String>, boolean, EndpointConfig)	Unused. This will be removed in Tomcat 10.1