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https://issues.apache.org/jira/browse/TAPESTRY-1508?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Howard M. Lewis Ship closed TAPESTRY-1508.
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Resolution: Cannot Reproduce
Assignee: Howard M. Lewis Ship
Please re-open if the problem recurs and you can provide an up-to date stack
trace.
> NPE on console after using StreamResponse with image/jpeg via jfreecharts
> -------------------------------------------------------------------------
>
> Key: TAPESTRY-1508
> URL: https://issues.apache.org/jira/browse/TAPESTRY-1508
> Project: Tapestry
> Issue Type: Bug
> Affects Versions: 5.0.5
> Environment: Eclipse WTP 1.5.3, Tomcat 5.5.23, Tapestry 5.0.5
> SNAPSHOT, Maven, JfreeCharts 1.0.3 or 1.0.4
> Reporter: Daniel Jue
> Assignee: Howard M. Lewis Ship
>
> I have a page that is similar to the pdfwritertestpage that was posted to the
> Tapestry User's list. Instead of returning a pdf, I am returning a context
> type "image/jpeg". I am using JFreeCharts 1.0.3 and this also occurs with
> 1.0.4.
> When I click on the submit button on the page, I DO get the image, and no
> visible errors in the browser. I see this error in my eclipse wtp console.
> The code that generates an image to an output stream has worked since
> Tapestry 4, so I hesitate to think the error is there.
> May 24, 2007 2:50:56 PM
> org.apache.tapestry.internal.services.DefaultRequestExceptionHandler
> handleRequestException
> SEVERE: Processing of request failed with uncaught exception:
> java.lang.NullPointerException
> java.lang.RuntimeException: java.lang.NullPointerException
> at org.apache.tapestry.corelib.components.Form.onAction(Form.java:360)
> at
> org.apache.tapestry.corelib.components.Form.handleComponentEvent(Form.java)
> at
> org.apache.tapestry.internal.structure.ComponentPageElementImpl.handleEvent(ComponentPageElementImpl.java:903)
> at
> org.apache.tapestry.internal.structure.ComponentPageElementImpl.triggerEvent(ComponentPageElementImpl.java:1002)
> at
> org.apache.tapestry.internal.services.ActionLinkHandlerImpl.handle(ActionLinkHandlerImpl.java:100)
> at
> org.apache.tapestry.internal.services.ActionLinkHandlerImpl.handle(ActionLinkHandlerImpl.java:53)
> at
> $ActionLinkHandler_112bf6cf934.handle($ActionLinkHandler_112bf6cf934.java)
> at
> org.apache.tapestry.internal.services.ComponentActionDispatcher.dispatch(ComponentActionDispatcher.java:115)
> at $Dispatcher_112bf6cf935.dispatch($Dispatcher_112bf6cf935.java)
> at $Dispatcher_112bf6cf928.dispatch($Dispatcher_112bf6cf928.java)
> at
> org.apache.tapestry.services.TapestryModule$12.service(TapestryModule.java:1027)
> at mil.army.oacsim.IEIS2.services.AppModule$1.service(AppModule.java:55)
> at $RequestFilter_112bf6cf927.service($RequestFilter_112bf6cf927.java)
> at $RequestHandler_112bf6cf929.service($RequestHandler_112bf6cf929.java)
> at
> org.apache.tapestry.internal.services.LocalizationFilter.service(LocalizationFilter.java:43)
> at $RequestHandler_112bf6cf929.service($RequestHandler_112bf6cf929.java)
> at
> org.apache.tapestry.services.TapestryModule$3.service(TapestryModule.java:627)
> at $RequestHandler_112bf6cf929.service($RequestHandler_112bf6cf929.java)
> at
> org.apache.tapestry.internal.services.StaticFilesFilter.service(StaticFilesFilter.java:63)
> at $RequestHandler_112bf6cf929.service($RequestHandler_112bf6cf929.java)
> at
> org.apache.tapestry.internal.services.CheckForUpdatesFilter$2.invoke(CheckForUpdatesFilter.java:91)
> at
> org.apache.tapestry.internal.services.CheckForUpdatesFilter$2.invoke(CheckForUpdatesFilter.java:82)
> at
> org.apache.tapestry.ioc.internal.util.ConcurrentBarrier.withRead(ConcurrentBarrier.java:77)
> at
> org.apache.tapestry.internal.services.CheckForUpdatesFilter.service(CheckForUpdatesFilter.java:104)
> at $RequestHandler_112bf6cf929.service($RequestHandler_112bf6cf929.java)
> at $RequestHandler_112bf6cf922.service($RequestHandler_112bf6cf922.java)
> at
> org.apache.tapestry.services.TapestryModule$11.service(TapestryModule.java:1005)
> at
> $HttpServletRequestHandler_112bf6cf921.service($HttpServletRequestHandler_112bf6cf921.java)
> at org.apache.tapestry.TapestryFilter.doFilter(TapestryFilter.java:134)
> at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
> at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
> at
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:210)
> at
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:174)
> at
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
> at
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
> at
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
> at
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:151)
> at
> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:870)
> at
> org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665)
> at
> org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528)
> at
> org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81)
> at
> org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:685)
> at java.lang.Thread.run(Thread.java:595)
> Caused by: java.lang.NullPointerException
> at
> org.apache.tapestry.internal.util.Base64InputStream.decode(Base64InputStream.java:34)
> at
> org.apache.tapestry.internal.util.Base64InputStream.<init>(Base64InputStream.java:29)
> at
> org.apache.tapestry.internal.util.Base64ObjectInputStream.<init>(Base64ObjectInputStream.java:30)
> at org.apache.tapestry.corelib.components.Form.onAction(Form.java:342)
> ... 42 more
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