KNOX-3238: Migrate from javax.servlet to jakarta.servlet servlet-api#1213

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Commits on Apr 28, 2026

KNOX-3238: Migrating to Jakarta EE10 using Openrewrite recipe.
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KNOX-3238: replacing jetty.servlet classes with jetty.ee9.servlet classes, deleting NoOpLogger (Log class removed in Jetty 12) and defining log4j2.xml configuration files for tests.
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KNOX-3238: updating jakarta-servlet-api to 6.0.0 and jetty ee9 to ee10.
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KNOX-3238: correcting TraceHandler, HSTSHandler and KnoxErrorHandler, along with jetty 12 form keys length and size.
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KNOX-3238: correcting AccessHandler and JWTValidatorFactory
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KNOX-3238: correcting CorrelationHandler (thread context will not work in Jetty 12, as Jetty will use 1...n threads for a request / response exchange).
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KNOX-3238: refactor RequestUpdateHandler and PortMappingHelperHandler to Jetty 12
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KNOX-3238: refactor createWebAppContext
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KNOX-3238: refactor createConnector
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KNOX-3238: refactor Http404ErrorHandler
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KNOX-3238: refactor createWebAppContext pt2
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KNOX-3238: configure jsp handling
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KNOX-3238: fix Jetty request log.
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KNOX-3238: fix Jetty lifecycle listener
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KNOX-3238: fix contextToHandlerMap initialization
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KNOX-3238: fix setVirtualHosts initialization
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KNOX-3238: fix Jetty handler chain.
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KNOX-3238: rebase and migrate gateway-service-restcatalog to use jakarta.servlet API.
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KNOX-3238: correct GatewayWebsocketHandler, ProxyWebSocketAdapter, WebshellWebSocketAdapter and JWTValidatorFactory.
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KNOX-3238: correct JWTValidatorFactory, GatewayPortMappingConfigTest, KnoxCacheManager and KnoxLdapRealm.
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KNOX-3238: fix websocket tests
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KNOX-3238: moving KnoxWebSocketCreator from GatewayWebsocketHandler to a top-level class and correcting WebsocketBackendUrlTest.
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KNOX-3238: correct MockConsoleFactory
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KNOX-3238: correcting dependencies and build errors (without HadoopAuthFilter)
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KNOX-3238: restore hadoop-common javax exclusions
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KNOX-3238: upgraded dropwizard metrics to 4.2.38 (Jetty 12 needs 4.2.x) and changed to metrics-jakarta-servlets.
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KNOX-3238: add jetty-ee10-servlet dependency for tests.
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KNOX-3238: temporarily make HadoopAuthFilter compile
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KNOX-3238: fix jersey-media-multipart dependency and jakarta.ws.rs-api version for EE10.
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KNOX-3238: fix HSTSHandlerTest
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KNOX-3238: fix GatewayWebsocketHandlerTest and JWTValidatorTest.
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KNOX-3238: fix some websocket tests.
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KNOX-3238: fix unused imports in JWTValidatorTest.
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KNOX-3238: fix some websocket tests.
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KNOX-3238: fix WebsocketServerInitiatedPingTest and WebsocketEchoHTTPServiceRoleTest.testGatewayRewriteHttpEcho
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KNOX-3238: fix GatewayForwardingServletTest.
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KNOX-3238: fix used undeclared dependency for org.eclipse.jetty.websocket.core.OpCode.
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KNOX-3238: Fix replacing persistence configuration in KnoxCacheManager. (xmlConfiguration.getServiceCreationConfigurations() is unmodifiable in ehcache-3.10.9-jakarta).
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KNOX-3238: Fix SimpleDescriptorHandlerFuncTest.testSimpleDescriptorHandlerQueryStringCredentialAliasCreation.
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KNOX-3238: ignoring testEncodedForwardSlash as it is not allowed when using Servlet 6.
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KNOX-3238: ignoring tests because of Hadoop Jetty 9 and javax.servlet dependencies.
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KNOX-3238: fix testPutDescriptorWithValidEncodedName.
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Commits on Apr 29, 2026

KNOX-3238: upgrade asm to 9.9.1 (Jetty 12 has 9.9.1 and net.minidev:accessors-smart would use 9.7.1). JDK 17 would need 9.1+.
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