[OS-webwork] exceptions thrown when rapidly refresh actions

[Francisco Hernandez]

I've been refresh my webapps page alot lately and started refresh just 
by holding the Refredh shortcut on my browser (Ctl-R) and sometimes I 
get theres exceptions on Tomcat and some on Orion

On the Orion server I get these:

[ERROR] ServletDispatcher  - Could not execute action
com.evermind.server.http.HttpIOException: Software caused connection 
abort: socket write error
        at com.evermind._aj.write(.:201)
        at com.evermind.server.http.EvermindJSPWriter._exe(.:239)
        at com.evermind.server.http.EvermindJSPWriter.flush(.:153)
        at com.evermind.server.http.EvermindJSPWriter.close(.:142)
        at 
__jspPage0_WEB_INF_views_userCreateForm_jsp._jspService(__jspPage0_WEB_INF_views_userCreateForm_jsp.java:74)
        at com.orionserver.http.OrionHttpJspPage.service(.:70)
        at com.evermind._ay._rkb(.:5741)
        at com.evermind.server.http.JSPServlet.service(.:31)
        at com.evermind._hb.doFilter(.:59)
        at 
com.opensymphony.webwork.lifecycle.RequestLifecycleFilter.doFilter(RequestLifecycleFilter.java:61)
        at com.evermind._cub._pod(.:387)
        at com.evermind._cub._bmc(.:177)
        at com.evermind._cub.forward(.:147)
        at 
com.opensymphony.webwork.dispatcher.ServletDispatcherResult.execute(ServletDispatcherResult.java:62)
        at 
com.opensymphony.xwork.DefaultActionInvocation.executeResult(DefaultActionInvocation.java:221)
        at 
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:161)
        at 
com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:37)
        at 
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:149)
        at 
com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:37)
        at 
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:149)
        at 
com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:37)
        at 
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:149)
        at 
com.opensymphony.xwork.interceptor.TimerInterceptor.intercept(TimerInterceptor.java:66)
        at 
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:149)
        at 
com.opensymphony.xwork.DefaultActionProxy.execute(DefaultActionProxy.java:121)
        at 
com.opensymphony.webwork.dispatcher.ServletDispatcher.service(ServletDispatcher.java:165)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:336)
        at com.evermind._hb.doFilter(.:59)
        at 
com.opensymphony.webwork.lifecycle.RequestLifecycleFilter.doFilter(RequestLifecycleFilter.java:61)
        at com.evermind._cub._pod(.:387)
        at com.evermind._cub._bmc(.:177)
        at com.evermind._ax._ltc(.:666)
        at com.evermind._ax._uab(.:191)
        at com.evermind._bf.run(.:62)

-----------

On the Tomcat server I get IOExceptions and then random NPEs scattered 
like so:

java.lang.NullPointerException
        at 
org.apache.coyote.tomcat4.CoyoteResponseFacade.getWriter(CoyoteResponseFacade.java:173)
        at 
org.apache.jasper.runtime.JspWriterImpl.initOut(JspWriterImpl.java:173)
        at 
org.apache.jasper.runtime.JspWriterImpl.write(JspWriterImpl.java:313)
        at java.io.PrintWriter.write(PrintWriter.java:200)
        at 
org.apache.jasper.runtime.JspWriterImpl.flushBuffer(JspWriterImpl.java:167)
        at 
org.apache.jasper.runtime.JspWriterImpl.write(JspWriterImpl.java:326)
        at 
org.apache.jasper.runtime.JspWriterImpl.write(JspWriterImpl.java:338)
        at 
org.apache.velocity.runtime.parser.node.ASTText.render(ASTText.java:99)
        at 
org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:271)
        at org.apache.velocity.Template.merge(Template.java:296)
        at 
com.opensymphony.webwork.views.jsp.ui.AbstractUITag.mergeTemplate(AbstractUITag.java:511)
        at 
com.opensymphony.webwork.views.jsp.ui.AbstractUITag.doEndTag(AbstractUITag.java:281)
        at 
org.apache.jsp.adminUserForm_jsp._jspx_meth_ww_password_1(adminUserForm_jsp.java:198)
        at 
org.apache.jsp.adminUserForm_jsp._jspService(adminUserForm_jsp.java:76)
        at 
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:137)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
        at 
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:210)
        at 
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
        at 
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
        at 
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:684)
        at 
org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:575)
        at 
org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:498)
        at 
org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:822)
        at 
org.apache.jsp.userCreateForm_jsp._jspx_meth_ww_form_0(userCreateForm_jsp.java:97)
        at 
org.apache.jsp.userCreateForm_jsp._jspService(userCreateForm_jsp.java:64)
        at 
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:137)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
        at 
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:210)
        at 
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
        at 
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
        at 
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:684)
        at 
org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:432)
        at 
org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:356)
        at 
com.opensymphony.webwork.dispatcher.ServletDispatcherResult.execute(ServletDispatcherResult.java:62)
        at 
com.opensymphony.xwork.DefaultActionInvocation.executeResult(DefaultActionInvocation.java:221)
        at 
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:161)
        at 
com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:37)
        at 
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:149)
        at 
com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:37)
        at 
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:149)
        at 
com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:37)
        at 
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:149)
        at 
com.opensymphony.xwork.interceptor.TimerInterceptor.intercept(TimerInterceptor.java:66)
        at 
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:149)
        at 
com.opensymphony.xwork.DefaultActionProxy.execute(DefaultActionProxy.java:121)
        at 
com.opensymphony.webwork.dispatcher.ServletDispatcher.service(ServletDispatcher.java:165)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
        at 
com.opensymphony.webwork.lifecycle.RequestLifecycleFilter.doFilter(RequestLifecycleFilter.java:61)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:213)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
        at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:256)
        at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
        at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
        at 
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
        at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
        at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
        at 
org.apache.catalina.valves.CertificatesValve.invoke(CertificatesValve.java:246)
        at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
        at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
        at 
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
        at 
org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2415)
        at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
        at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
        at 
org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:171)
        at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
        at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172)
        at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
        at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
        at 
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
        at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
        at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)



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