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https://issues.apache.org/jira/browse/WICKET-790?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jean-Baptiste Quenot resolved WICKET-790.
-----------------------------------------
Resolution: Fixed
Fix Version/s: 1.3.0-beta3
Assignee: Jean-Baptiste Quenot
Fixed, thanks for reporting!
> WebExternalResourceStream.close() throws NPE
> --------------------------------------------
>
> Key: WICKET-790
> URL: https://issues.apache.org/jira/browse/WICKET-790
> Project: Wicket
> Issue Type: Bug
> Components: wicket
> Affects Versions: 1.3.0-beta2
> Reporter: Chuck Deal
> Assignee: Jean-Baptiste Quenot
> Fix For: 1.3.0-beta3
>
> Attachments: ContextRelativeResourceReference.java
>
>
> I have written a ContextRelativeResourceReference (CRRR) that creates
> ContextRelativeResource objects. I set a new CRRR on an Image object and
> when the page is rendering, I get the following stackTrace:
> 16:07:36,158 ERROR [default]:260 - Servlet.service() for servlet default
> threw exception
> java.lang.NullPointerException
> at
> org.apache.wicket.util.resource.WebExternalResourceStream.close(WebExternalResourceStream.java:78)
> at
> org.apache.wicket.protocol.http.WicketFilter.getLastModified(WicketFilter.java:728)
> at
> org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:122)
> at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
> at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
> at
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
> at
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
> at
> org.apache.catalina.valves.FastCommonAccessLogValve.invoke(FastCommonAccessLogValve.java:495)
> at
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
> at
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
> at
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
> at
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
> at
> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
> at
> org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
> at
> org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
> at
> org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
> at
> org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
> at java.lang.Thread.run(Thread.java:595)
> Looking at WebExternalResourceStream.close(), it calls "in.close()", however,
> "in" is not initialized during the code execution path.
> Would it be acceptable to do this in the close() method?
> public void close() throws IOException
> {
> if (in != null) in.close();
> }
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