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When I change a class file while the app server is running, the very next page reload generates a tiles error. Restarting the app server fixes it. Seems like Tiles loads something when the app server starts that gets removed during a hot deploy??
java.lang.NullPointerException
at org.apache.struts.tiles.definition.ComponentDefinitionsFactoryWrapper.getDefinition(ComponentDefinitionsFactoryWrapper.java:86)
at org.apache.struts.tiles.TilesRequestProcessor.processTilesDefinition(TilesRequestProcessor.java:153)
at org.apache.struts.tiles.TilesRequestProcessor.processForwardConfig(TilesRequestProcessor.java:300)
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:231)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1164)
at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:415)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:763)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:225)
at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:127)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:283)
at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
at bf.web.common.filter.Log4jFilter.doFilter(Log4jFilter.java:68)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
at bf.web.common.filter.RequestLoggingFilter.doFilter(RequestLoggingFilter.java:131)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
at bf.web.broker.filter.ProspectAuthorizationFilter.doFilter(ProspectAuthorizationFilter.java:57)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3212)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121)
at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:1983)
at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:1890)
at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1344)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:209)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:181)Hard to say… could be some incomplete initialization.
I can’t offer much in the way of trouble shooting, but a good workaround may be to keep open the administration console and simply use the “Restart context” feature OR touch your web.xml file and have WL reload your context so you don’t have to start/stop your entire app server.
