> I only have questions rather than answers... > > I'd been interested to know how you're automated emulation of 100 users > works - could it be that you have two requests operating on the same form > and your form has some kind of nested/mapped/indexed properties in it? Do > the 100 users all have separate sessions and whats the scope of your form? > > Are you sure you're running Struts 1.1 (the lines number from the stack > trace don't seem to tie up with the 1.1 source)? > > Niall > > ----- Original Message ----- > From: "Tom Vekemans" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Wednesday, May 05, 2004 6:53 PM > Subject: Struts failing under load ? > > > Hi, > > We are currently stress-testing a struts-based application. We are using > JBoss 3.2.3 (with integrated tomcat) on a 2-processor Dell with 1 Gig of > RAM. We use struts v1.1. > > The application just runs fine until we get to around 100 concurrent users. > >From that point on, we get a "java.lang.IllegalArgumentException: No bean > specified" exception (reduced stack trace below). Other mails about this > subject almost always talk about omitted beans in JSP's or malconfigured > struts-config.xml files. However, these 100 users are "automated" (it's a > program) and all performing the same scenario. It runs fine with 50 users so > I don't suspect any problems in the struts-config.xml file. Does anyone have > a suggestion? > > Thanks in advance, > > Tom Vekemans > > 2004-05-05 16:20:28,709 DEBUG [org.apache.struts.util.RequestUtils] > Creating new ActionForm instance of type > 'be.mil.cccis.bcc17.fact17.web.invoice.DisplaySavedInvoiceFormBean' > 2004-05-05 16:20:28,709 DEBUG [org.apache.struts.util.RequestUtils] --> > [EMAIL PROTECTED] > 2004-05-05 16:20:28,709 DEBUG [org.apache.struts.action.RequestProcessor] > Storing ActionForm bean instance in scope 'session' under attribute key > 'displaySavedInvoiceForm' > 2004-05-05 16:20:28,709 DEBUG [org.apache.struts.action.RequestProcessor] > Populating bean properties from this request > 2004-05-05 16:20:28,709 ERROR [org.jboss.web.localhost.Engine] > StandardWrapperValve[action]: Servlet.service() for servlet action threw > exception > javax.servlet.ServletException: BeanUtils.populate > at org.apache.struts.util.RequestUtils.populate(RequestUtils.java:1098) > at > org.apache.struts.action.RequestProcessor.processPopulate(RequestProcessor.j > ava:816) > at > org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:254) > at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1420) > at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:502) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:740) > [...other tomcat-related stuff] > at java.lang.Thread.run(Thread.java:534) > 2004-05-05 16:20:28,709 DEBUG [org.apache.struts.action.RequestProcessor] > processForwardConfig(ForwardConfig[name=next,path=/protected/invoice/budgeti > ze_invoice.jsp,redirect=false,contextRelative=false]) > 2004-05-05 16:20:28,756 ERROR [org.jboss.web.localhost.Engine] ----- Root > Cause ----- > java.lang.IllegalArgumentException: No bean specified > at > org.apache.commons.beanutils.PropertyUtils.getPropertyDescriptor(PropertyUti > ls.java:837) > at org.apache.commons.beanutils.BeanUtils.setProperty(BeanUtils.java:934) > at org.apache.commons.beanutils.BeanUtils.populate(BeanUtils.java:808) > at org.apache.struts.util.RequestUtils.populate(RequestUtils.java:1096) > at > org.apache.struts.action.RequestProcessor.processPopulate(RequestProcessor.j > ava:816) > at > org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:254) > at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1420) > at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:502) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:740) > [...other tomcat-related stuff] at java.lang.Thread.run(Thread.java:534)
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