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https://issues.apache.org/activemq/browse/AMQ-2740?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bruce Snyder updated AMQ-2740:
------------------------------
Fix Version/s: 5.5.0
(was: 5.4.1)
> NullPointerException in Web Console when using an existing browser session
> with a restarted broker instance
> -----------------------------------------------------------------------------------------------------------
>
> Key: AMQ-2740
> URL: https://issues.apache.org/activemq/browse/AMQ-2740
> Project: ActiveMQ
> Issue Type: Bug
> Components: Broker
> Affects Versions: 5.3.2
> Environment: Windows
> Reporter: Adrian Trenaman
> Fix For: 5.5.0
>
>
> As per summary above. If you have a browser open to the web console, and
> create a queue it works OK. However, if you then restart the broker adn then
> try and perform an action like deleting the queue (from the web console) then
> you'll see the NPE in the broker's log.
> {code}
> ERROR | Nested in org.springframework.web.util.NestedServletException:
> Request processing failed; nested exception is java.lang.NullPointerException:
> java.lang.NullPointerException
> at
> org.apache.activemq.web.handler.BindingBeanNameUrlHandlerMapping.getHandlerInternal(BindingBeanNameUrlHandlerMapping.java:57)
> at
> org.springframework.web.servlet.handler.AbstractHandlerMapping.getHandler(AbstractHandlerMapping.java:184)
> at
> org.springframework.web.servlet.DispatcherServlet.getHandler(DispatcherServlet.java:1057)
> at
> org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:854)
> at
> org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:807)
> at
> org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:571)
> at
> org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:501)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:693)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at
> org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:487)
> at
> org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1093)
> at
> org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:83)
> at
> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
> at
> org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
> at
> org.apache.activemq.web.filter.ApplicationContextFilter.doFilter(ApplicationContextFilter.java:81)
> at
> org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
> at
> com.opensymphony.module.sitemesh.filter.PageFilter.parsePage(PageFilter.java:118)
> at
> com.opensymphony.module.sitemesh.filter.PageFilter.doFilter(PageFilter.java:52)
> at
> org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
> at
> org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:360)
> at
> org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
> at
> org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
> at
> org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:726)
> at
> org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405)
> at
> org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:206)
> at
> org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)
> at
> org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
> at org.mortbay.jetty.Server.handle(Server.java:324)
> at
> org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:505)
> at
> org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:828)
> at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:514)
> at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:211)
> at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:380)
> at
> org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:395)
> at
> org.mortbay.thread.BoundedThreadPool$PoolThread.run(BoundedThreadPool.java:450)
> {code}
> I think this has something to do with stale session secrets, and is a
> consequence of support that was put in to protect ActiveMQ against CSRF
> (cross-site request forgery) attacks. The original CSRF error was alarming;
> this error, however, is a plain old NPE and we should fix it.
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