Struts Problem Report

Struts has detected an unhandled exception:

Messages:
File: org/apache/struts2/impl/StrutsActionProxy.java
Line number: 69

Stacktraces

java.lang.NullPointerException
    org.apache.struts2.impl.StrutsActionProxy.getErrorMessage(StrutsActionProxy.java:69)
    com.opensymphony.xwork2.DefaultActionProxy.prepare(DefaultActionProxy.java:185)
    org.apache.struts2.impl.StrutsActionProxy.prepare(StrutsActionProxy.java:63)
    org.apache.struts2.impl.StrutsActionProxyFactory.createActionProxy(StrutsActionProxyFactory.java:39)
    com.opensymphony.xwork2.DefaultActionProxyFactory.createActionProxy(DefaultActionProxyFactory.java:58)
    org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:501)
    org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:432)
    org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:256)
    org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214)
    org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:316)
    org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:160)
    org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:734)
    org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:673)
    com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:99)
    org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:174)
    org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:357)
    org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:260)
    com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:188)
    org.glassfish.grizzly.http.server.HttpHandler.runService(HttpHandler.java:191)
    org.glassfish.grizzly.http.server.HttpHandler.doHandle(HttpHandler.java:168)
    org.glassfish.grizzly.http.server.HttpServerFilter.handleRead(HttpServerFilter.java:189)
    org.glassfish.grizzly.filterchain.ExecutorResolver$9.execute(ExecutorResolver.java:119)
    org.glassfish.grizzly.filterchain.DefaultFilterChain.executeFilter(DefaultFilterChain.java:288)
    org.glassfish.grizzly.filterchain.DefaultFilterChain.executeChainPart(DefaultFilterChain.java:206)
    org.glassfish.grizzly.filterchain.DefaultFilterChain.execute(DefaultFilterChain.java:136)
    org.glassfish.grizzly.filterchain.DefaultFilterChain.process(DefaultFilterChain.java:114)
    org.glassfish.grizzly.ProcessorExecutor.execute(ProcessorExecutor.java:77)
    org.glassfish.grizzly.nio.transport.TCPNIOTransport.fireIOEvent(TCPNIOTransport.java:838)
    org.glassfish.grizzly.strategies.AbstractIOStrategy.fireIOEvent(AbstractIOStrategy.java:113)
    org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.run0(WorkerThreadIOStrategy.java:115)
    org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.access$100(WorkerThreadIOStrategy.java:55)
    org.glassfish.grizzly.strategies.WorkerThreadIOStrategy$WorkerThreadRunnable.run(WorkerThreadIOStrategy.java:135)
    org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:564)
    org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.run(AbstractThreadPool.java:544)
    java.lang.Thread.run(Thread.java:744)