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stefano.benini

Jboss 7 seems blocked while importing an excel

stackTrace:
java.lang.Thread.State: BLOCKED (on object monitor)
at it.ditech.comm.base.variazioni.utils.ExcelX2CsvConverter.convertFromExcelToCsv(ExcelX2CsvConverter.java:211)
- waiting to lock <0x000000051134a888> (a java.lang.Class for it.ditech.comm.base.variazioni.utils.ExcelX2CsvConverter)
at it.ditech.comm.base.variazioni.utils.FileManager.salvaSulFileSystem(FileManager.java:879)
at it.ditech.comm.base.variazioni.utils.FileManager.salvaFileFornitoreBase(FileManager.java:771)
at it.ditech.comm.base.variazioni.utils.FileManager.salvaFileFornitore(FileManager.java:751)
at it.ditech.comm.base.variazioni.utils.FileManager.processamentoFilesFornitore(FileManager.java:292)
at it.ditech.comm.ejb.sintesi.SintesiFacadeBean.processamentoFilesFornitore(SintesiFacadeBean.java:398)
at sun.reflect.GeneratedMethodAccessor23258.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.jboss.as.ee.component.ManagedReferenceMethodInterceptorFactory$ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptorFactory.java:72)
at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288)
at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:374)
at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.delegateInterception(Jsr299BindingsInterceptor.java:114)
at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:125)
at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:135)
at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:36)
at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288)
at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:374)
at it.ditech.comm.common.aop.NotNullResultInterceptor.computeTime(NotNullResultInterceptor.java:29)
at sun.reflect.GeneratedMethodAccessor117.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.jboss.as.ee.component.ManagedReferenceLifecycleMethodInterceptorFactory$ManagedReferenceLifecycleMethodInterceptor.processInvocation(ManagedReferenceLifecycleMethodInterceptorFactory.java:123)
at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288)
at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:374)
at it.ditech.comm.common.aop.UnwrapExceptionInterceptor.unwrapRuntimeException(UnwrapExceptionInterceptor.java:20)
at sun.reflect.GeneratedMethodAccessor116.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.jboss.as.ee.component.ManagedReferenceLifecycleMethodInterceptorFactory$ManagedReferenceLifecycleMethodInterceptor.processInvocation(ManagedReferenceLifecycleMethodInterceptorFactory.java:123)
at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288)
at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:374)
at it.ditech.comm.common.aop.TimeLoggingInterceptor.computeExecutionTime(TimeLoggingInterceptor.java:268)
at sun.reflect.GeneratedMethodAccessor115.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.jboss.as.ee.component.ManagedReferenceLifecycleMethodInterceptorFactory$ManagedReferenceLifecycleMethodInterceptor.processInvocation(ManagedReferenceLifecycleMethodInterceptorFactory.java:123)
at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288)
at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:53)
at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:36)
at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288)
at org.jboss.as.jpa.interceptor.SBInvocationInterceptor.processInvocation(SBInvocationInterceptor.java:47)
at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288)
at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:82)
at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288)
at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21)
at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288)
at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61)
at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:53)
at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288)
at org.jboss.as.ejb3.component.pool.PooledInstanceInterceptor.processInvocation(PooledInstanceInterceptor.java:51)
at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288)
at org.jboss.as.ejb3.tx.CMTTxInterceptor.invokeInOurTx(CMTTxInterceptor.java:228)
at org.jboss.as.ejb3.tx.CMTTxInterceptor.required(CMTTxInterceptor.java:304)
at org.jboss.as.ejb3.tx.CMTTxInterceptor.processInvocation(CMTTxInterceptor.java:190)
at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288)
at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41)
at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288)
at org.jboss.as.ejb3.security.AuthorizationInterceptor.processInvocation(AuthorizationInterceptor.java:106)
at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288)
at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:76)
at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288)
at org.jboss.as.ejb3.component.interceptors.LoggingInterceptor.processInvocation(LoggingInterceptor.java:59)
at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288)
at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50)
at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288)
at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:32)
at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288)
at org.jboss.as.ee.component.TCCLInterceptor.processInvocation(TCCLInterceptor.java:45)
at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288)
at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61)
at org.jboss.as.ee.component.ViewService$View.invoke(ViewService.java:165)
at org.jboss.as.webservices.invocation.AbstractInvocationHandlerEJB.invoke(AbstractInvocationHandlerEJB.java:112)
at org.jboss.wsf.stack.cxf.JBossWSInvoker._invokeInternal(JBossWSInvoker.java:181)
at org.jboss.wsf.stack.cxf.JBossWSInvoker.invoke(JBossWSInvoker.java:127)
at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:58)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at org.apache.cxf.workqueue.SynchronousExecutor.execute(SynchronousExecutor.java:37)
at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:106)
- locked <0x000000052ee42970> (a org.apache.cxf.interceptor.ServiceInvokerInterceptor$2)
at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:263)
- locked <0x000000052ed631b0> (a org.apache.cxf.phase.PhaseInterceptorChain)
at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121)
at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:207)
at org.jboss.wsf.stack.cxf.RequestHandlerImpl.handleHttpRequest(RequestHandlerImpl.java:91)
at org.jboss.wsf.stack.cxf.transport.ServletHelper.callRequestHandler(ServletHelper.java:169)
at org.jboss.wsf.stack.cxf.CXFServletExt.invoke(CXFServletExt.java:87)
at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:185)
at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:108)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:754)
at org.jboss.wsf.stack.cxf.CXFServletExt.service(CXFServletExt.java:135)
at org.jboss.wsf.spi.deployment.WSFServlet.service(WSFServlet.java:140)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:329)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:275)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:161)
at org.jboss.as.web.security.SecurityContextAssociationValve.invoke(SecurityContextAssociationValve.java:153)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:155)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:368)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:877)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:671)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:930)
at java.lang.Thread.run(Thread.java:745)


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    Unni Mana

     

    Hello stefano.benini

    This is a typical issue of threading.

     

    You can verify your existing code and refactor it.

     

    One such solution is to use a Lock object with timeout so that the lock will be released after some time. This will give an opportunity to other threads.

     

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    Kousika M

    Hello stefano.benini,

    Greetings!

    It looks like JBoss 7 is getting stuck while trying to import an Excel file, and based on the stack trace, the issue seems to be in ExcelX2CsvConverter.convertFromExcelToCsv(). Here are a few things you can check:

    1. Check for Locking Issues: The error suggests that a thread is blocked waiting for a lock on it.ditech.comm.base.variazioni.utils.ExcelX2CsvConverter. Look at this class and see if it has any synchronized methods or static locks that could be causing a bottleneck.

    2. Investigate Excel Processing: If the issue is due to a slow Excel file processing, consider optimizing the logic. Large files can take a long time to process, especially if they involve complex operations.

    3. Run the Process Asynchronously: If the conversion is taking too long and blocking the server, consider running it in a separate thread or using an asynchronous processing approach to prevent JBoss from getting stuck.

    Also, all 130 threads in the EJB async-thread-pool pool are idle and not performing any tasks. This indicates over-allocation of threads, which can waste system resources and degrade application performance. Consider resizing the thread pool. 




    Thanks.

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