Hi, I am trying to run nexgtech/knox as a container in a pod in a kubernetes cluster and i am getting the below   Exception in thread "main" java.lang.reflect.InvocationTargetException at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.knox.gateway.launcher.Invoker.invokeMainMethod(Invoker.java:68) at org.apache.knox.gateway.launcher.Invoker.invoke(Invoker.java:39) at org.apache.knox.gateway.launcher.Command.run(Command.java:99) at org.apache.knox.gateway.launcher.Launcher.run(Launcher.java:75) at org.apache.knox.gateway.launcher.Launcher.main(Launcher.java:52) Caused by: java.lang.NoSuchFieldError: DEFAULT_XML_TYPE_ATTRIBUTE at org.eclipse.persistence.jaxb.compiler.MappingsGenerator.setupInheritance(MappingsGenerator.java:2431) at org.eclipse.persistence.jaxb.compiler.MappingsGenerator.generateProject(MappingsGenerator.java:246) at org.eclipse.persistence.jaxb.compiler.Generator.generateProject(Generator.java:191) at org.eclipse.persistence.jaxb.JAXBContext$ContextPathInput.createContextState(JAXBContext.java:985) at org.eclipse.persistence.jaxb.JAXBContext$ContextPathInput.createContextState(JAXBContext.java:978) at org.eclipse.persistence.jaxb.JAXBContext$ContextPathInput.createContextState(JAXBContext.java:905) at org.eclipse.persistence.jaxb.JAXBContext.<init>(JAXBContext.java:198) at org.eclipse.persistence.jaxb.JAXBContextFactory.createContext(JAXBContextFactory.java:131) at org.eclipse.persistence.jaxb.JAXBContextFactory.createContext(JAXBContextFactory.java:122) at org.eclipse.persistence.jaxb.compiler.CompilerHelper.getXmlBindingsModelContext(CompilerHelper.java:491) at org.eclipse.persistence.jaxb.JAXBContextFactory.getXmlBindings(JAXBContextFactory.java:310) at org.eclipse.persistence.jaxb.JAXBContextFactory.processBindingFile(JAXBContextFactory.java:284) at org.eclipse.persistence.jaxb.JAXBContextFactory.getXmlBindingsFromProperties(JAXBContextFactory.java:264) at org.eclipse.persistence.jaxb.JAXBContext$ContextPathInput.createContextState(JAXBContext.java:853) at org.eclipse.persistence.jaxb.JAXBContext.<init>(JAXBContext.java:198) at org.eclipse.persistence.jaxb.JAXBContextFactory.createContext(JAXBContextFactory.java:131) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at javax.xml.bind.ContextFinder.newInstance(ContextFinder.java:171) at javax.xml.bind.ContextFinder.newInstance(ContextFinder.java:131) at javax.xml.bind.ContextFinder.find(ContextFinder.java:293) at javax.xml.bind.JAXBContext.newInstance(JAXBContext.java:431) at org.apache.knox.gateway.services.topology.impl.DefaultTopologyService.getJAXBContext(DefaultTopologyService.java:127) at org.apache.knox.gateway.services.topology.impl.DefaultTopologyService.<clinit>(DefaultTopologyService.java:91) at org.apache.knox.gateway.services.CLIGatewayServices.init(CLIGatewayServices.java:88) at org.apache.knox.gateway.util.KnoxCLI.initializeServices(KnoxCLI.java:185) at org.apache.knox.gateway.util.KnoxCLI.run(KnoxCLI.java:155) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:76) at org.apache.knox.gateway.util.KnoxCLI.main(KnoxCLI.java:2122) ... 9 more Starting LDAP succeeded with PID 89. Starting Gateway succeeded with PID 183. Exception in thread "main" java.lang.reflect.InvocationTargetException at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.knox.gateway.launcher.Invoker.invokeMainMethod(Invoker.java:68) at org.apache.knox.gateway.launcher.Invoker.invoke(Invoker.java:39) at org.apache.knox.gateway.launcher.Command.run(Command.java:99) at org.apache.knox.gateway.launcher.Launcher.run(Launcher.java:75) at org.apache.knox.gateway.launcher.Launcher.main(Launcher.java:52) Caused by: java.lang.NoSuchFieldError: DEFAULT_XML_TYPE_ATTRIBUTE at org.eclipse.persistence.jaxb.compiler.MappingsGenerator.setupInheritance(MappingsGenerator.java:2431) at org.eclipse.persistence.jaxb.compiler.MappingsGenerator.generateProject(MappingsGenerator.java:246) at org.eclipse.persistence.jaxb.compiler.Generator.generateProject(Generator.java:191) at org.eclipse.persistence.jaxb.JAXBContext$ContextPathInput.createContextState(JAXBContext.java:985) at org.eclipse.persistence.jaxb.JAXBContext$ContextPathInput.createContextState(JAXBContext.java:978) at org.eclipse.persistence.jaxb.JAXBContext$ContextPathInput.createContextState(JAXBContext.java:905) at org.eclipse.persistence.jaxb.JAXBContext.<init>(JAXBContext.java:198) at org.eclipse.persistence.jaxb.JAXBContextFactory.createContext(JAXBContextFactory.java:131) at org.eclipse.persistence.jaxb.JAXBContextFactory.createContext(JAXBContextFactory.java:122) at org.eclipse.persistence.jaxb.compiler.CompilerHelper.getXmlBindingsModelContext(CompilerHelper.java:491) at org.eclipse.persistence.jaxb.JAXBContextFactory.getXmlBindings(JAXBContextFactory.java:310) at org.eclipse.persistence.jaxb.JAXBContextFactory.processBindingFile(JAXBContextFactory.java:284) at org.eclipse.persistence.jaxb.JAXBContextFactory.getXmlBindingsFromProperties(JAXBContextFactory.java:264) at org.eclipse.persistence.jaxb.JAXBContext$ContextPathInput.createContextState(JAXBContext.java:853) at org.eclipse.persistence.jaxb.JAXBContext.<init>(JAXBContext.java:198) at org.eclipse.persistence.jaxb.JAXBContextFactory.createContext(JAXBContextFactory.java:131) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at javax.xml.bind.ContextFinder.newInstance(ContextFinder.java:171) at javax.xml.bind.ContextFinder.newInstance(ContextFinder.java:131) at javax.xml.bind.ContextFinder.find(ContextFinder.java:293) at javax.xml.bind.JAXBContext.newInstance(JAXBContext.java:431) at org.apache.knox.gateway.services.topology.impl.DefaultTopologyService.getJAXBContext(DefaultTopologyService.java:127) at org.apache.knox.gateway.services.topology.impl.DefaultTopologyService.<clinit>(DefaultTopologyService.java:91) at org.apache.knox.gateway.services.CLIGatewayServices.init(CLIGatewayServices.java:88) at org.apache.knox.gateway.util.KnoxCLI.initializeServices(KnoxCLI.java:185) at org.apache.knox.gateway.util.KnoxCLI.run(KnoxCLI.java:155) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:76) at org.apache.knox.gateway.util.KnoxCLI.main(KnoxCLI.java:2122) ... 9 more 2019-12-12 04:38:13,506 INFO knox.gateway (GatewayConfigImpl.java:loadConfigResource(406)) - Loading configuration resource jar:file:/usr/local/knox-1.3.0/bin/../lib/gateway-server-1.3.0.jar!/conf/gateway-default.xml 2019-12-12 04:38:13,987 INFO knox.gateway (GatewayConfigImpl.java:loadConfigFile(394)) - Loading configuration file /usr/local/knox-1.3.0/conf/gateway-site.xml 2019-12-12 04:38:14,124 INFO knox.gateway (GatewayConfigImpl.java:initGatewayHomeDir(334)) - Using /usr/local/knox-1.3.0/bin/.. as GATEWAY_HOME via system property. 2019-12-12 04:38:14,125 INFO knox.gateway (GatewayConfigImpl.java:init(327)) - Cookie scoping feature enabled: false 2019-12-12 04:38:14,845 INFO knox.gateway (RemoteAliasService.java:init(258)) - Remote Alias Service enabled 2019-12-12 04:38:14,847 WARN knox.gateway (ZookeeperRemoteAliasService.java:init(349)) - There is no registry client defined for remote configuration monitoring. 2019-12-12 04:38:14,850 INFO knox.gateway (JettySSLService.java:init(64)) - Creating credential store for the gateway instance. 2019-12-12 04:38:14,855 INFO knox.gateway (JettySSLService.java:init(80)) - Creating keystore for the gateway instance. 2019-12-12 04:38:15,735 INFO knox.gateway (JettySSLService.java:logAndValidateCertificate(112)) - The Gateway SSL certificate is issued to hostname: localhost. 2019-12-12 04:38:15,738 INFO knox.gateway (JettySSLService.java:logAndValidateCertificate(115)) - The Gateway SSL certificate is valid between: 12/12/19 4:38 AM and 12/11/20 4:38 AM. 2019-12-12 04:46:11,263 INFO knox.gateway (GatewayServer.java:logSysProp(219)) - System Property: user.name=knox 2019-12-12 04:46:11,267 INFO knox.gateway (GatewayServer.java:logSysProp(219)) - System Property: user.dir=/home/knox 2019-12-12 04:46:11,267 INFO knox.gateway (GatewayServer.java:logSysProp(219)) - System Property: java.runtime.name=OpenJDK Runtime Environment 2019-12-12 04:46:11,267 INFO knox.gateway (GatewayServer.java:logSysProp(219)) - System Property: java.runtime.version=1.8.0_222-b10 2019-12-12 04:46:11,267 INFO knox.gateway (GatewayServer.java:logSysProp(219)) - System Property: java.home=/usr/local/openjdk-8/jre 2019-12-12 04:46:11,426 INFO knox.gateway (GatewayConfigImpl.java:loadConfigResource(406)) - Loading configuration resource jar:file:/usr/local/knox-1.3.0/bin/../lib/gateway-server-1.3.0.jar!/conf/gateway-default.xml 2019-12-12 04:46:11,484 INFO knox.gateway (GatewayConfigImpl.java:loadConfigFile(394)) - Loading configuration file /usr/local/knox-1.3.0/conf/gateway-site.xml 2019-12-12 04:46:11,491 INFO knox.gateway (GatewayConfigImpl.java:initGatewayHomeDir(334)) - Using /usr/local/knox-1.3.0/bin/.. as GATEWAY_HOME via system property. 2019-12-12 04:46:11,491 INFO knox.gateway (GatewayConfigImpl.java:init(327)) - Cookie scoping feature enabled: false 2019-12-12 04:46:11,905 INFO knox.gateway (RemoteAliasService.java:init(258)) - Remote Alias Service enabled 2019-12-12 04:46:11,909 WARN knox.gateway (ZookeeperRemoteAliasService.java:init(349)) - There is no registry client defined for remote configuration monitoring. 2019-12-12 04:46:11,920 INFO knox.gateway (JettySSLService.java:init(72)) - Credential store for the gateway instance found - no need to create one. 2019-12-12 04:46:11,938 INFO knox.gateway (JettySSLService.java:init(91)) - Keystore for the gateway instance found - no need to create one. 2019-12-12 04:46:11,942 INFO knox.gateway (JettySSLService.java:logAndValidateCertificate(112)) - The Gateway SSL certificate is issued to hostname: localhost. 2019-12-12 04:46:11,945 INFO knox.gateway (JettySSLService.java:logAndValidateCertificate(115)) - The Gateway SSL certificate is valid between: 12/12/19 4:38 AM and 12/11/20 4:38 AM.   Could you please let me know how i could debug this issue. ... 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