<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
<body link="#355491" alink="#4262a1" vlink="#355491" style="background: #e2e2e2; margin: 0; padding: 20px;">
<div>
<table cellpadding="0" bgcolor="#FFFFFF" border="0" cellspacing="0" style="border: 1px solid #dadada; margin-bottom: 30px; width: 100%; -moz-border-radius: 6px; -webkit-border-radius: 6px;">
<tbody>
<tr>
<td>
<table border="0" cellpadding="0" cellspacing="0" bgcolor="#FFFFFF" style="border: solid 2px #ccc; background: #dadada; width: 100%; -moz-border-radius: 6px; -webkit-border-radius: 6px;">
<tbody>
<tr>
<td bgcolor="#000000" valign="middle" height="58px" style="border-bottom: 1px solid #ccc; padding: 20px; -moz-border-radius-topleft: 3px; -moz-border-radius-topright: 3px; -webkit-border-top-right-radius: 5px; -webkit-border-top-left-radius: 5px;">
<h1 style="color: #333333; font: bold 22px Arial, Helvetica, sans-serif; margin: 0; display: block !important;">
<!-- To have a header image/logo replace the name below with your img tag -->
<!-- Email clients will render the images when the message is read so any image -->
<!-- must be made available on a public server, so that all recipients can load the image. -->
<a href="http://community.jboss.org/index.jspa" style="text-decoration: none; color: #E1E1E1">JBoss Community</a></h1>
</td>
</tr>
<tr>
<td bgcolor="#FFFFFF" style="font: normal 12px Arial, Helvetica, sans-serif; color:#333333; padding: 20px; -moz-border-radius-bottomleft: 4px; -moz-border-radius-bottomright: 4px; -webkit-border-bottom-right-radius: 5px; -webkit-border-bottom-left-radius: 5px;"><h3 style="margin: 10px 0 5px; font-size: 17px; font-weight: normal;">
java.lang.RuntimeException: Timeout : unable to retrieve results
</h3>
<span style="margin-bottom: 10px;">
created by <a href="http://community.jboss.org/people/houxiaojun">Xiaojun Hou</a> in <i>jBPM</i> - <a href="http://community.jboss.org/message/621959#621959">View the full discussion</a>
</span>
<hr style="margin: 20px 0; border: none; background-color: #dadada; height: 1px;">
<div class="jive-rendered-content"><p>I use BlockingTaskSummaryResponseHandler to handler the query result,and this is my source code:</p><p>……………………………………………………………………………………………………………………………………………………</p><p>BlockingTaskSummaryResponseHandler taskSummaryResponseHandler = new BlockingTaskSummaryResponseHandler();</p><p>client.getTasksAssignedAsPotentialOwner("employee", "en-UK", taskSummaryResponseHandler);</p><p>List<TaskSummary> allTasks = taskSummaryResponseHandler.getResults();</p><p>…………………………………………………………………………………………………………………………………………………………………………</p><p>However,if i run this code frequently，exception below will occure:</p><p class="stacktrace"> <strong>java.lang.RuntimeException: Timeout : unable to retrieve results</strong> </p><pre class="jive-pre">    org.jbpm.task.service.responsehandlers.BlockingTaskSummaryResponseHandler.getResults(BlockingTaskSummaryResponseHandler.java:41)<br/>    com.qh.demo.action.doc.SubmitApprovalDocAction.execute(SubmitApprovalDocAction.java:136)<br/>    sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)<br/>    sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)<br/>    sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)<br/>    java.lang.reflect.Method.invoke(Method.java:597)<br/>    com.opensymphony.xwork2.DefaultActionInvocation.invokeAction(DefaultActionInvocation.java:441)<br/>    com.opensymphony.xwork2.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.java:280)<br/>    com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:243)<br/>    com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:165)<br/>    com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)<br/>    com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)<br/>    com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:252)<br/>    org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:68)<br/>    com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)<br/>    com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)<br/>    com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.java:122)<br/>    com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)<br/>    com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:195)<br/>    com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)<br/>    com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)<br/>    com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:195)<br/>    com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)<br/>    com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)<br/>    com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept(StaticParametersInterceptor.java:179)<br/>    com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)<br/>    org.apache.struts2.interceptor.MultiselectInterceptor.intercept(MultiselectInterceptor.java:75)<br/>    com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)<br/>    org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:94)<br/>    com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)<br/>    org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:235)<br/>    com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)<br/>    com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(ModelDrivenInterceptor.java:89)<br/>    com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)<br/>    com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.intercept(ScopedModelDrivenInterceptor.java:130)<br/>    com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)<br/>    org.apache.struts2.interceptor.debugging.DebuggingInterceptor.intercept(DebuggingInterceptor.java:267)<br/>    com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)<br/>    com.opensymphony.xwork2.interceptor.ChainingInterceptor.intercept(ChainingInterceptor.java:126)<br/>    com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)<br/>    com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(PrepareInterceptor.java:138)<br/>    com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)<br/>    com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)<br/>    com.opensymphony.xwork2.interceptor.I18nInterceptor.intercept(I18nInterceptor.java:165)<br/>    com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)<br/>    org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletConfigInterceptor.java:164)<br/>    com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)<br/>    com.opensymphony.xwork2.interceptor.AliasInterceptor.intercept(AliasInterceptor.java:179)<br/>    com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)<br/>    com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:176)<br/>    com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)<br/>    org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:52)<br/>    org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:488)<br/>    org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOperations.java:77)<br/>    org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:91)<br/>    org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)<br/>    org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)<br/>    org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:198)<br/>    org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)<br/>    org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)<br/>    org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)<br/>    org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:228)<br/>    org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)<br/>    org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)<br/>    org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)<br/>    org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)<br/>    org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:216)<br/>    org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)<br/>    org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:634)<br/>    org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:445)<br/>    java.lang.Thread.run(Thread.java:619)<br/>………………………………………………………………………………………………………………………………………………………………<br/>So i can not get results here.Can someboby solve this problem?<br/>    </pre></div>
<div style="background-color: #f4f4f4; padding: 10px; margin-top: 20px;">
<p style="margin: 0;">Reply to this message by <a href="http://community.jboss.org/message/621959#621959">going to Community</a></p>
<p style="margin: 0;">Start a new discussion in jBPM at <a href="http://community.jboss.org/choose-container!input.jspa?contentType=1&containerType=14&container=2034">Community</a></p>
</div></td>
</tr>
</tbody>
</table>
</td>
</tr>
</tbody>
</table>
</div>
</body>
</html>