Anekant Jain created WW-4894:
--------------------------------
Summary: 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
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*
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))
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