I'm not exactly sure yet where the reference to "DTD Web Application 2.2" is coming from in the follow deployment error that occurring during JSP TCK testing:

2020-09-09 16:48:42,512 INFO [org.jboss.as.server.deployment] (MSC service thread 1-1) WFLYSRV0027: Starting deployment of "jsp_arrayelresolver_web.war" (runtime-name: "jsp_arrayelresolver_web.war")
2020-09-09 16:48:42,625 ERROR [org.jboss.metadata.parser.util.XMLSchemaValidator] (MSC service thread 1-1) Cannot get schema for location: -//Sun Microsystems, Inc.//DTD Web Application 2.2//EN: org.xml.sax.SAXParseException; systemId: file:///mnt/hudson_workspace/customWorkspaceName/wildfly/bin/-//Sun%20Microsystems,%20Inc.//DTD%20Web%20Application%202.2//EN; lineNumber: 81; columnNumber: 3; The markup in the document preceding the root element must be well-formed.
at org.apache.xerces.util.ErrorHandlerWrapper.createSAXParseException(ErrorHandlerWrapper.java:201)
at org.apache.xerces.util.ErrorHandlerWrapper.fatalError(ErrorHandlerWrapper.java:175)
at org.apache.xerces.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:398)
at org.apache.xerces.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:325)
at org.apache.xerces.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:282)
at org.apache.xerces.impl.XMLScanner.reportFatalError(XMLScanner.java:1496)
at org.apache.xerces.impl.XMLDocumentScannerImpl$PrologDispatcher.dispatch(XMLDocumentScannerImpl.java:784)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:324)
at org.apache.xerces.impl.xs.opti.SchemaParsingConfig.parse(SchemaParsingConfig.java:623)
at org.apache.xerces.impl.xs.opti.SchemaParsingConfig.parse(SchemaParsingConfig.java:679)
at org.apache.xerces.impl.xs.opti.SchemaDOMParser.parse(SchemaDOMParser.java:527)
at org.apache.xerces.impl.xs.traversers.XSDHandler.getSchemaDocument(XSDHandler.java:2168)
at org.apache.xerces.impl.xs.traversers.XSDHandler.parseSchema(XSDHandler.java:558)
at org.apache.xerces.impl.xs.XMLSchemaLoader.loadSchema(XMLSchemaLoader.java:580)
at org.apache.xerces.impl.xs.XMLSchemaLoader.loadGrammar(XMLSchemaLoader.java:547)
at org.apache.xerces.impl.xs.XMLSchemaLoader.loadGrammar(XMLSchemaLoader.java:513)
at org.apache.xerces.jaxp.validation.XMLSchemaFactory.newSchema(XMLSchemaFactory.java:234)
at javax.xml.validation.SchemaFactory.newSchema(SchemaFactory.java:638) [rt.jar:1.8.0_191]
at _redirected.SchemaFactory.newSchema(_SchemaFactory.java:115) [jboss-modules.jar:1.10.2.Final]
at org.jboss.metadata.parser.util.XMLSchemaValidator.getSchemaForLocation(XMLSchemaValidator.java:117) [jboss-metadata-common-14.0.0.Alpha1.jar:14.0.0.Alpha1]
at org.jboss.metadata.parser.util.XMLSchemaValidator.validate(XMLSchemaValidator.java:85) [jboss-metadata-common-14.0.0.Alpha1.jar:14.0.0.Alpha1]
at org.wildfly.extension.undertow.deployment.WebParsingDeploymentProcessor.deploy(WebParsingDeploymentProcessor.java:117)
at org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:182)
at org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1739)
at org.jboss.msc.service.ServiceControllerImpl$StartTask.execute(ServiceControllerImpl.java:1701)
at org.jboss.msc.service.ServiceControllerImpl$ControllerTask.run(ServiceControllerImpl.java:1559)
at org.jboss.threads.ContextClassLoaderSavingRunnable.run(ContextClassLoaderSavingRunnable.java:35)
at org.jboss.threads.EnhancedQueueExecutor.safeRun(EnhancedQueueExecutor.java:1990)
at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.doRunTask(EnhancedQueueExecutor.java:1486)
at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1377)
at java.lang.Thread.run(Thread.java:748) [rt.jar:1.8.0_191]

2020-09-09 16:48:42,631 WARN [org.jboss.metadata.parser.util.XMLSchemaValidator] (MSC service thread 1-1) Cannot get schema for location: -//Sun Microsystems, Inc.//DTD Web Application 2.2//EN
2020-09-09 16:48:42,896 WARN [org.jboss.as.server.deployment] (MSC service thread 1-1) WFLYSRV0047: Could not find Extension-List entry ExtensionListEntry [implementationVendorId=com.sun, implementationVersion=1.4, name=tsharness, specificationVersion=1.4, title=tsharness] referenced from ResourceRoot [root="/content/jsp_arrayelresolver_web.war"]
2020-09-09 16:48:42,896 WARN [org.jboss.as.server.deployment] (MSC service thread 1-1) WFLYSRV0047: Could not find Extension-List entry ExtensionListEntry [implementationVendorId=com.sun, implementationVersion=1.4, name=cts, specificationVersion=1.4, title=cts] referenced from ResourceRoot [root="/content/jsp_arrayelresolver_web.war"]
2020-09-09 16:48:43,243 ERROR [org.jboss.as.controller.management-operation] (DeploymentScanner-threads - 1) WFLYCTL0013: Operation ("deploy") failed - address: ([("deployment" => "jsp_arrayelresolver_web.war")]) - failure description: {
"WFLYCTL0412: Required services that are not installed:" => ["jboss.naming.context.java.jboss.DefaultJMSConnectionFactory"],
"WFLYCTL0180: Services with missing/unavailable dependencies" => ["jboss.naming.context.java.module.jsp_arrayelresolver_web.jsp_arrayelresolver_web.DefaultJMSConnectionFactory is missing [jboss.naming.context.java.jboss.DefaultJMSConnectionFactory]"]