AnsweredAssumed Answered

Explorer: Failure rendering form

Question asked by jcosano on Nov 15, 2010
Latest reply on Nov 15, 2010 by jbarrez
Sometimes obtain an alert with text: "failure", when I'm trying to complete a task, but If i restart tomcat error disappears:

15-nov-2010 12:23:45 org.springframework.extensions.webscripts.AbstractRuntime executeScript
GRAVE: Exception from executeScript - redirecting to status template error: null
java.lang.NullPointerException
        at org.activiti.engine.impl.form.JuelFormEngine.getFormTemplateString(JuelFormEngine.java:58)
        at org.activiti.engine.impl.form.JuelFormEngine.renderTaskForm(JuelFormEngine.java:44)
        at org.activiti.engine.impl.cmd.GetRenderedTaskFormCmd.execute(GetRenderedTaskFormCmd.java:62)
        at org.activiti.engine.impl.interceptor.CommandExecutorImpl.execute(CommandExecutorImpl.java:22)
        at org.activiti.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:36)
        at org.activiti.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:33)
        at org.activiti.engine.impl.FormServiceImpl.getRenderedTaskForm(FormServiceImpl.java:44)
        at org.activiti.rest.api.task.TaskFormGet.executeStreamingWebScript(TaskFormGet.java:32)
        at org.activiti.rest.util.ActivitiStreamingWebScript.execute(ActivitiStreamingWebScript.java:65)
        at org.springframework.extensions.webscripts.PresentationContainer.executeScript(PresentationContainer.java:69)
        at org.springframework.extensions.webscripts.AbstractRuntime.executeScript(AbstractRuntime.java:333)
        at org.springframework.extensions.webscripts.AbstractRuntime.executeScript(AbstractRuntime.java:189)
        at org.springframework.extensions.webscripts.servlet.WebScriptServlet.service(WebScriptServlet.java:118)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
        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:298)
        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:857)
        at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
        at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
        at java.lang.Thread.run(Thread.java:619)


Any idea?

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