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https://issues.apache.org/jira/browse/WW-4894?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Anekant Jain reopened WW-4894:
------------------------------
We are following up for Java update with IBM, we are facing difficulty because
websphere uses it's supplement Java, not open JDK.
Additional observation from thread dump is that, the issue occurs only while
calling *doEndTag()* method of Jsp class file under high load condition.
> Issue while class loading
> -------------------------
>
> Key: WW-4894
> URL: https://issues.apache.org/jira/browse/WW-4894
> Project: Struts 2
> Issue Type: Bug
> Affects Versions: 2.3.32
> Reporter: Anekant Jain
> Priority: Blocker
> Fix For: 2.4
>
> Attachments: screenshot-1.png
>
>
> Facing following issue in production environment, threads are being Blocked
> and from almost a week every day it is required to restart the server. Seems
> there is some issue with class loading, we are using Websphere application
> server. Following is the stack trace of blocking thread -
> *Owns Monitor Lock on java/util/Hashtable@0x000000001240AD50*
> {noformat}
> at java/util/Hashtable.get(Hashtable.java:469(Compiled Code))
> at java/lang/ClassLoader.getPackage(ClassLoader.java:953(Compiled Code))
> at java/lang/Class.getPackage(Class.java:1660(Compiled Code))
> at
> com/opensymphony/xwork2/ognl/SecurityMemberAccess.isAccessible(SecurityMemberAccess.java:75(Compiled
> Code))
> at ognl/OgnlRuntime.isMethodAccessible(OgnlRuntime.java:1974(Compiled Code))
> at ognl/OgnlRuntime.hasGetMethod(OgnlRuntime.java:1980(Compiled Code))
> at ognl/OgnlRuntime.hasGetProperty(OgnlRuntime.java:2040(Compiled Code))
> at
> com/opensymphony/xwork2/ognl/accessor/CompoundRootAccessor.getProperty(CompoundRootAccessor.java:141(Compiled
> Code))
> at ognl/OgnlRuntime.getProperty(OgnlRuntime.java:2413(Compiled Code))
> at ognl/ASTProperty.getValueBody(ASTProperty.java:114(Compiled Code))
> at ognl/SimpleNode.evaluateGetValueBody(SimpleNode.java:212(Compiled Code))
> at ognl/SimpleNode.getValue(SimpleNode.java:258(Compiled Code))
> at ognl/Ognl.getValue(Ognl.java:467(Compiled Code))
> at com/opensymphony/xwork2/ognl/OgnlUtil$4.execute(OgnlUtil.java:360(Compiled
> Code))
> at
> com/opensymphony/xwork2/ognl/OgnlUtil.compileAndExecute(OgnlUtil.java:383(Compiled
> Code))
> at com/opensymphony/xwork2/ognl/OgnlUtil.getValue(OgnlUtil.java:358(Compiled
> Code))
> at
> com/opensymphony/xwork2/ognl/OgnlValueStack.getValue(OgnlValueStack.java:363(Compiled
> Code))
> at
> com/opensymphony/xwork2/ognl/OgnlValueStack.tryFindValue(OgnlValueStack.java:351(Compiled
> Code))
> at
> com/opensymphony/xwork2/ognl/OgnlValueStack.tryFindValueWhenExpressionIsNotNull(OgnlValueStack.java:326(Compiled
> Code))
> at
> com/opensymphony/xwork2/ognl/OgnlValueStack.findValue(OgnlValueStack.java:310(Compiled
> Code))
> at
> com/opensymphony/xwork2/ognl/OgnlValueStack.findValue(OgnlValueStack.java:371(Compiled
> Code))
> at
> com/opensymphony/xwork2/ognl/OgnlValueStack.findString(OgnlValueStack.java:226(Compiled
> Code))
> at sun/reflect/GeneratedMethodAccessor104.invoke(Bytecode PC:40(Compiled
> Code))
> at
> sun/reflect/DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:55(Compiled
> Code))
> at java/lang/reflect/Method.invoke(Method.java:613(Compiled Code))
> at
> freemarker/ext/beans/BeansWrapper.invokeMethod(BeansWrapper.java:1458(Compiled
> Code))
> at
> freemarker/ext/beans/ReflectionCallableMemberDescriptor.invokeMethod(ReflectionCallableMemberDescriptor.java:52(Compiled
> Code))
> at
> freemarker/ext/beans/MemberAndArguments.invokeMethod(MemberAndArguments.java:48(Compiled
> Code))
> at
> freemarker/ext/beans/OverloadedMethodsModel.exec(OverloadedMethodsModel.java:62(Compiled
> Code))
> at freemarker/core/MethodCall._eval(MethodCall.java:62(Compiled Code))
> at freemarker/core/Expression.eval(Expression.java:78(Compiled Code))
> at freemarker/core/Assignment.accept(Assignment.java:70(Compiled Code))
> at freemarker/core/Environment.visit(Environment.java:312(Compiled Code))
> at freemarker/core/MixedContent.accept(MixedContent.java:62(Compiled Code))
> at
> freemarker/core/Environment.visitByHiddingParent(Environment.java:333(Compiled
> Code))
> at freemarker/core/IfBlock.accept(IfBlock.java:48(Compiled Code))
> at
> freemarker/core/Environment.visitByHiddingParent(Environment.java:333(Compiled
> Code))
> at freemarker/core/IfBlock.accept(IfBlock.java:48(Compiled Code))
> at freemarker/core/Environment.visit(Environment.java:312(Compiled Code))
> at freemarker/core/MixedContent.accept(MixedContent.java:62(Compiled Code))
> at
> freemarker/core/Environment.visitByHiddingParent(Environment.java:333(Compiled
> Code))
> at
> freemarker/core/Environment.visitAndTransform(Environment.java:413(Compiled
> Code))
> at freemarker/core/UnifiedCall.accept(UnifiedCall.java:108(Compiled Code))
> at freemarker/core/Environment.visit(Environment.java:312(Compiled Code))
> at freemarker/core/MixedContent.accept(MixedContent.java:62(Compiled Code))
> at freemarker/core/Environment.visit(Environment.java:312(Compiled Code))
> at freemarker/core/Environment.process(Environment.java:290(Compiled Code))
> at freemarker/template/Template.process(Template.java:312(Compiled Code))
> at
> org/apache/struts2/components/template/FreemarkerTemplateEngine.renderTemplate(FreemarkerTemplateEngine.java:158(Compiled
> Code))
> at
> org/apache/struts2/components/UIBean.mergeTemplate(UIBean.java:584(Compiled
> Code))
> at org/apache/struts2/components/UIBean.end(UIBean.java:538(Compiled Code))
> at
> org/apache/struts2/views/jsp/ComponentTagSupport.doEndTag(ComponentTagSupport.java:42(Compiled
> Code))
> at com/ibm/_jsp/_Scrn001045._jspx_meth_s_select_3(_Scrn001045.java:3410)
> at com/ibm/_jsp/_Scrn001045._jspService(_Scrn001045.java:544)
> at com/ibm/ws/jsp/runtime/HttpJspBase.service(HttpJspBase.java:99(Compiled
> Code))
> at javax/servlet/http/HttpServlet.service(HttpServlet.java:668(Compiled
> Code))
> at
> com/ibm/ws/webcontainer/servlet/ServletWrapper.service(ServletWrapper.java:1232(Compiled
> Code))
> at
> com/ibm/ws/webcontainer/servlet/ServletWrapper.handleRequest(ServletWrapper.java:781(Compiled
> Code))
> at
> com/ibm/ws/webcontainer/servlet/ServletWrapper.handleRequest(ServletWrapper.java:480(Compiled
> Code))
> at
> com/ibm/ws/webcontainer/servlet/ServletWrapperImpl.handleRequest(ServletWrapperImpl.java:178(Compiled
> Code))
> at
> com/ibm/wsspi/webcontainer/servlet/GenericServletWrapper.handleRequest(GenericServletWrapper.java:122(Compiled
> Code))
> at
> com/ibm/ws/jsp/webcontainerext/AbstractJSPExtensionServletWrapper.handleRequest(AbstractJSPExtensionServletWrapper.java:220(Compiled
> Code))
> at
> com/ibm/ws/webcontainer/filter/WebAppFilterChain.invokeTarget(WebAppFilterChain.java:136(Compiled
> Code))
> at
> com/ibm/ws/webcontainer/filter/WebAppFilterChain.doFilter(WebAppFilterChain.java:79(Compiled
> Code))
> at
> com/ibm/ws/webcontainer/filter/WebAppFilterManager.doFilter(WebAppFilterManager.java:967(Compiled
> Code))
> at
> com/ibm/ws/webcontainer/filter/WebAppFilterManager.invokeFilters(WebAppFilterManager.java:1107(Compiled
> Code))
> at
> com/ibm/ws/webcontainer/webapp/WebAppRequestDispatcher.dispatch(WebAppRequestDispatcher.java:1385(Compiled
> Code))
> at
> com/ibm/ws/webcontainer/webapp/WebAppRequestDispatcher.forward(WebAppRequestDispatcher.java:194(Compiled
> Code))
> at
> org/apache/struts2/dispatcher/ServletDispatcherResult.doExecute(ServletDispatcherResult.java:164(Compiled
> Code))
> at
> org/apache/struts2/dispatcher/StrutsResultSupport.execute(StrutsResultSupport.java:191(Compiled
> Code))
> at
> com/opensymphony/xwork2/DefaultActionInvocation.executeResult(DefaultActionInvocation.java:372(Compiled
> Code))
> at
> com/opensymphony/xwork2/DefaultActionInvocation.invoke(DefaultActionInvocation.java:276(Compiled
> Code))
> at
> com/tcs/channels/framework/comms/interceptor/XSSHandlerInterceptor.intercept(XSSHandlerInterceptor.java:193(Compiled
> Code))
> at
> com/opensymphony/xwork2/DefaultActionInvocation.invoke(DefaultActionInvocation.java:245(Compiled
> Code))
> at
> com/opensymphony/xwork2/interceptor/DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:168(Compiled
> Code))
> at
> com/opensymphony/xwork2/interceptor/MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98(Compiled
> Code))
> at
> com/opensymphony/xwork2/DefaultActionInvocation.invoke(DefaultActionInvocation.java:245(Compiled
> Code))
> at
> com/opensymphony/xwork2/validator/ValidationInterceptor.doIntercept(ValidationInterceptor.java:265(Compiled
> Code))
> at
> org/apache/struts2/interceptor/validation/AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:76(Compiled
> Code))
> at
> com/opensymphony/xwork2/interceptor/MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98(Compiled
> Code))
> at
> com/opensymphony/xwork2/DefaultActionInvocation.invoke(DefaultActionInvocation.java:245(Compiled
> Code))
> at
> com/opensymphony/xwork2/interceptor/ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.java:138(Compiled
> Code))
> at
> com/opensymphony/xwork2/DefaultActionInvocation.invoke(DefaultActionInvocation.java:245(Compiled
> Code))
> at
> com/opensymphony/xwork2/interceptor/ParametersInterceptor.doIntercept(ParametersInterceptor.java:229(Compiled
> Code))
> at
> com/opensymphony/xwork2/interceptor/MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98(Compiled
> Code))
> at
> com/opensymphony/xwork2/DefaultActionInvocation.invoke(DefaultActionInvocation.java:245(Compiled
> Code))
> at
> com/opensymphony/xwork2/interceptor/ParametersInterceptor.doIntercept(ParametersInterceptor.java:229(Compiled
> Code))
> at
> com/opensymphony/xwork2/interceptor/MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98(Compiled
> Code))
> at
> com/opensymphony/xwork2/DefaultActionInvocation.invoke(DefaultActionInvocation.java:245(Compiled
> Code))
> at
> com/opensymphony/xwork2/interceptor/StaticParametersInterceptor.intercept(StaticParametersInterceptor.java:191(Compiled
> Code))
> at
> com/opensymphony/xwork2/DefaultActionInvocation.invoke(DefaultActionInvocation.java:245(Compiled
> Code))
> at
> org/apache/struts2/interceptor/MultiselectInterceptor.intercept(MultiselectInterceptor.java:73(Compiled
> Code))
> at
> com/opensymphony/xwork2/DefaultActionInvocation.invoke(DefaultActionInvocation.java:245(Compiled
> Code))
> at
> org/apache/struts2/interceptor/CheckboxInterceptor.intercept(CheckboxInterceptor.java:91(Compiled
> Code))
> at
> com/opensymphony/xwork2/DefaultActionInvocation.invoke(DefaultActionInvocation.java:245(Compiled
> Code))
> at
> org/apache/struts2/interceptor/FileUploadInterceptor.intercept(FileUploadInterceptor.java:253(Compiled
> Code))
> at
> com/opensymphony/xwork2/DefaultActionInvocation.invoke(DefaultActionInvocation.java:245(Compiled
> Code))
> at
> com/opensymphony/xwork2/interceptor/ModelDrivenInterceptor.intercept(ModelDrivenInterceptor.java:100(Compiled
> Code))
> at
> com/opensymphony/xwork2/DefaultActionInvocation.invoke(DefaultActionInvocation.java:245(Compiled
> Code))
> at
> com/opensymphony/xwork2/interceptor/ScopedModelDrivenInterceptor.intercept(ScopedModelDrivenInterceptor.java:141(Compiled
> Code))
> at
> com/opensymphony/xwork2/DefaultActionInvocation.invoke(DefaultActionInvocation.java:245(Compiled
> Code))
> at
> org/apache/struts2/interceptor/debugging/DebuggingInterceptor.intercept(DebuggingInterceptor.java:256(Compiled
> Code))
> at
> com/opensymphony/xwork2/DefaultActionInvocation.invoke(DefaultActionInvocation.java:245(Compiled
> Code))
> at
> com/opensymphony/xwork2/interceptor/ChainingInterceptor.intercept(ChainingInterceptor.java:145(Compiled
> Code))
> at
> com/opensymphony/xwork2/DefaultActionInvocation.invoke(DefaultActionInvocation.java:245(Compiled
> Code))
> at
> com/opensymphony/xwork2/interceptor/PrepareInterceptor.doIntercept(PrepareInterceptor.java:171(Compiled
> Code))
> at
> com/opensymphony/xwork2/interceptor/MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98(Compiled
> Code))
> at
> com/opensymphony/xwork2/DefaultActionInvocation.invoke(DefaultActionInvocation.java:245(Compiled
> Code))
> at
> org/apache/struts2/interceptor/ServletConfigInterceptor.intercept(ServletConfigInterceptor.java:164(Compiled
> Code))
> at
> com/opensymphony/xwork2/DefaultActionInvocation.invoke(DefaultActionInvocation.java:245(Compiled
> Code))
> at
> com/opensymphony/xwork2/interceptor/AliasInterceptor.intercept(AliasInterceptor.java:193(Compiled
> Code))
> at
> com/opensymphony/xwork2/DefaultActionInvocation.invoke(DefaultActionInvocation.java:245(Compiled
> Code))
> at
> com/opensymphony/xwork2/interceptor/ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:189(Compiled
> Code))
> at
> com/opensymphony/xwork2/DefaultActionInvocation.invoke(DefaultActionInvocation.java:245(Compiled
> Code))
> at
> org/apache/struts2/impl/StrutsActionProxy.execute(StrutsActionProxy.java:54(Compiled
> Code))
> at
> org/apache/struts2/dispatcher/Dispatcher.serviceAction(Dispatcher.java:575(Compiled
> Code))
> at
> org/apache/struts2/dispatcher/ng/ExecuteOperations.executeAction(ExecuteOperations.java:81(Compiled
> Code))
> at
> org/apache/struts2/dispatcher/ng/filter/StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:99(Compiled
> Code))
> at
> com/ibm/ws/webcontainer/filter/FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:195(Compiled
> Code))
> at
> com/ibm/ws/webcontainer/filter/WebAppFilterChain.doFilter(WebAppFilterChain.java:91(Compiled
> Code))
> at com/tcs/channels/nbl/MDCFilter.doFilter(MDCFilter.java:66(Compiled Code))
> at
> com/ibm/ws/webcontainer/filter/FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:195(Compiled
> Code))
> at
> com/ibm/ws/webcontainer/filter/WebAppFilterChain.doFilter(WebAppFilterChain.java:91(Compiled
> Code))
> at
> org/owasp/csrfguard/CsrfGuardFilter.doFilter(CsrfGuardFilter.java:75(Compiled
> Code))
> at
> com/ibm/ws/webcontainer/filter/FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:195(Compiled
> Code))
> at
> com/ibm/ws/webcontainer/filter/WebAppFilterChain.doFilter(WebAppFilterChain.java:91(Compiled
> Code))
> at
> com/ibm/ws/webcontainer/filter/WebAppFilterManager.doFilter(WebAppFilterManager.java:967(Compiled
> Code))
> at
> com/ibm/ws/webcontainer/filter/WebAppFilterManager.invokeFilters(WebAppFilterManager.java:1107(Compiled
> Code))
> at
> com/ibm/ws/webcontainer/webapp/WebApp.handleRequest(WebApp.java:3928(Compiled
> Code))
> at
> com/ibm/ws/webcontainer/webapp/WebGroup.handleRequest(WebGroup.java:304(Compiled
> Code))
> at
> com/ibm/ws/webcontainer/WebContainer.handleRequest(WebContainer.java:1007(Compiled
> Code))
> at
> com/ibm/ws/webcontainer/WSWebContainer.handleRequest(WSWebContainer.java:1817(Compiled
> Code))
> at
> com/ibm/ws/webcontainer/channel/WCChannelLink.ready(WCChannelLink.java:200(Compiled
> Code))
> at
> com/ibm/ws/http/channel/inbound/impl/HttpInboundLink.handleDiscrimination(HttpInboundLink.java:463(Compiled
> Code))
> at
> com/ibm/ws/http/channel/inbound/impl/HttpInboundLink.handleNewRequest(HttpInboundLink.java:530(Compiled
> Code))
> at
> com/ibm/ws/http/channel/inbound/impl/HttpInboundLink.processRequest(HttpInboundLink.java:316(Compiled
> Code))
> at
> com/ibm/ws/http/channel/inbound/impl/HttpInboundLink.ready(HttpInboundLink.java:287(Compiled
> Code))
> at
> com/ibm/ws/tcp/channel/impl/NewConnectionInitialReadCallback.sendToDiscriminators(NewConnectionInitialReadCallback.java:214(Compiled
> Code))
> at
> com/ibm/ws/tcp/channel/impl/NewConnectionInitialReadCallback.complete(NewConnectionInitialReadCallback.java:113(Compiled
> Code))
> at
> com/ibm/ws/tcp/channel/impl/AioReadCompletionListener.futureCompleted(AioReadCompletionListener.java:175(Compiled
> Code))
> at
> com/ibm/io/async/AbstractAsyncFuture.invokeCallback(AbstractAsyncFuture.java:217(Compiled
> Code))
> at
> com/ibm/io/async/AsyncChannelFuture.fireCompletionActions(AsyncChannelFuture.java:161(Compiled
> Code))
> at com/ibm/io/async/AsyncFuture.completed(AsyncFuture.java:138(Compiled
> Code))
> at com/ibm/io/async/ResultHandler.complete(ResultHandler.java:204(Compiled
> Code))
> at
> com/ibm/io/async/ResultHandler.runEventProcessingLoop(ResultHandler.java:775(Compiled
> Code))
> at com/ibm/io/async/ResultHandler$2.run(ResultHandler.java:905(Compiled
> Code))
> at com/ibm/ws/util/ThreadPool$Worker.run(ThreadPool.java:1881(Compiled Code))
> {noformat}
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