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https://issues.apache.org/jira/browse/TAPESTRY-2415?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Howard M. Lewis Ship reassigned TAPESTRY-2415:
----------------------------------------------
Assignee: Howard M. Lewis Ship
> StreamResponse does not work on WebLogic - response not flushed, and
> secondary exception raised
> -----------------------------------------------------------------------------------------------
>
> Key: TAPESTRY-2415
> URL: https://issues.apache.org/jira/browse/TAPESTRY-2415
> Project: Tapestry
> Issue Type: Bug
> Components: tapestry-core
> Affects Versions: 5.0.11, 5.0.12
> Environment: WebLogic 9.2
> Reporter: Philip Lopez
> Assignee: Howard M. Lewis Ship
>
> It seems that Jetty 6.x and WebLogic 9.2 differ in how they handle
> ServletOutputStream.close().
> Jetty will flush/commit the response at this point, whereas WebLogic does not
> appear to. The result is that the (Tapestry) response is NOT committed when
> ImmediateActionRenderResponseFilter checks it. As a result, the "Sanity check
> - neither a stream response nor a redirect response was geenrated for this
> action request." IllegalStateException is raised.
> UNFORTUNATELY, the DefaultRequestExceptionHandler now kicks in and tries to
> render a TapestryException page. This means that the Response.getWriter()
> method is invoked, AFTER Response.getOutputStream() is invoked -- a state
> deemed illegal by WebLogic (and the Servlet specification), so WebLogic
> raises a secondary exception that obscures the actual cause (see below).
> A FIX: add a call to os.flush() in
> StreamResponseResultProcessor.processResultValue(..) just before os.close().
> Not sure that there is a good solution to the secondary exception problem if
> there's an exception during a StreamResponse, of trying to write an error
> page -- using getWriter() -- when the output stream is already been written
> to, presumably with a different contentType...
> The secondary exception raised is...
> java.lang.IllegalStateException: strict servlet API: cannot call getWriter()
> after getOutputStream()
> at
> weblogic.servlet.internal.ServletResponseImpl.getWriter(ServletResponseImpl.java:286)
> at
> org.apache.tapestry.internal.services.ResponseImpl.getPrintWriter(ResponseImpl.java:47)
> at
> $Response_119dbc3d281.getPrintWriter($Response_119dbc3d281.java)
> at
> $Response_119dbc3d1c2.getPrintWriter($Response_119dbc3d1c2.java)
> at
> org.apache.tapestry.internal.services.PageResponseRendererImpl.renderPageResponse(PageResponseRendererImpl.java:59)
> at
> $PageResponseRenderer_119dbc3d1eb.renderPageResponse($PageResponseRenderer_119dbc3d1eb.java)
> at
> org.apache.tapestry.internal.services.DefaultRequestExceptionHandler.handleRequestException(DefaultRequestExceptionHandler.java:55)
> at
> $RequestExceptionHandler_119dbc3d1d7.handleRequestException($RequestExceptionHandler_119dbc3d1d7.java)
> at
> org.apache.tapestry.internal.services.RequestErrorFilter.service(RequestErrorFilter.java:41)
> at
> $RequestHandler_119dbc3d1da.service($RequestHandler_119dbc3d1da.java)
> at
> org.apache.tapestry.internal.services.StaticFilesFilter.service(StaticFilesFilter.java:79)
> at
> $RequestHandler_119dbc3d1da.service($RequestHandler_119dbc3d1da.java)
> at
> org.apache.tapestry.internal.services.CheckForUpdatesFilter$2.invoke(CheckForUpdatesFilter.java:93)
> at
> org.apache.tapestry.internal.services.CheckForUpdatesFilter$2.invoke(CheckForUpdatesFilter.java:84)
> at
> org.apache.tapestry.ioc.internal.util.ConcurrentBarrier.withRead(ConcurrentBarrier.java:75)
> at
> org.apache.tapestry.internal.services.CheckForUpdatesFilter.service(CheckForUpdatesFilter.java:106)
> at
> $RequestHandler_119dbc3d1da.service($RequestHandler_119dbc3d1da.java)
> at
> $RequestHandler_119dbc3d1d1.service($RequestHandler_119dbc3d1d1.java)
> at
> org.apache.tapestry.services.TapestryModule$11.service(TapestryModule.java:919)
> at
> org.apache.tapestry.internal.services.IgnoredPathsFilter.service(IgnoredPathsFilter.java:62)
> at
> $HttpServletRequestFilter_119dbc3d1d0.service($HttpServletRequestFilter_119dbc3d1d0.java)
> at
> $HttpServletRequestHandler_119dbc3d1d2.service($HttpServletRequestHandler_119dbc3d1d2.java)
> at
> $HttpServletRequestHandler_119dbc3d1cf.service($HttpServletRequestHandler_119dbc3d1cf.java)
> at
> org.apache.tapestry.TapestryFilter.doFilter(TapestryFilter.java:168)
> at
> weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
> at
> weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3243)
> 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:2003)
> at
> weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:1909)
> at
> weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1359)
> at weblogic.work.ExecuteThread.execute(ExecuteThread.java:209)
> at weblogic.work.ExecuteThread.run(ExecuteThread.java:181)
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