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APACHE SLING JAVA DEADLOCK

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Nov 29th, 2013
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  1. Found one Java-level deadlock:
  2. =============================
  3. "37.254.219.190 [1385392437467] GET / HTTP/1.1":
  4.   waiting to lock monitor 0x000000000f9b91e0 (object 0x00000000900262b8, a org.mortbay.io.nio.SelectorManager$SelectSet),
  5.   which is held by "194337136@qtp-325350008-1 - Acceptor0 SelectChannelConnector@0.0.0.0:80"
  6. "194337136@qtp-325350008-1 - Acceptor0 SelectChannelConnector@0.0.0.0:80":
  7.   waiting to lock monitor 0x000000001465e820 (object 0x00000001af48d428, a org.mortbay.jetty.nio.SelectChannelConnector$ConnectorEndPoint),
  8.   which is held by "37.254.219.190 [1385392436687] GET / HTTP/1.1"
  9. "37.254.219.190 [1385392436687] GET / HTTP/1.1":
  10.   waiting to lock monitor 0x000000000f9b91e0 (object 0x00000000900262b8, a org.mortbay.io.nio.SelectorManager$SelectSet),
  11.   which is held by "194337136@qtp-325350008-1 - Acceptor0 SelectChannelConnector@0.0.0.0:80"
  12.  
  13. Java stack information for the threads listed above:
  14. ===================================================
  15. "37.254.219.190 [1385392437467] GET / HTTP/1.1":
  16.         at org.mortbay.io.nio.SelectorManager$SelectSet.scheduleIdle(SelectorManager.java:784)
  17.         - waiting to lock <0x00000000900262b8> (a org.mortbay.io.nio.SelectorManager$SelectSet)
  18.         at org.mortbay.io.nio.SelectChannelEndPoint.scheduleIdle(SelectChannelEndPoint.java:159)
  19.         at org.mortbay.io.nio.SelectChannelEndPoint.blockWritable(SelectChannelEndPoint.java:293)
  20.         - locked <0x00000001aee77da0> (a org.mortbay.jetty.nio.SelectChannelConnector$ConnectorEndPoint)
  21.         at org.mortbay.jetty.AbstractGenerator$Output.blockForOutput(AbstractGenerator.java:544)
  22.         at org.mortbay.jetty.AbstractGenerator$Output.flush(AbstractGenerator.java:571)
  23.         at org.mortbay.jetty.HttpConnection$Output.flush(HttpConnection.java:1010)
  24.         at org.mortbay.jetty.AbstractGenerator$Output.write(AbstractGenerator.java:650)
  25.         at org.mortbay.jetty.AbstractGenerator$Output.write(AbstractGenerator.java:579)
  26.         at java.io.ByteArrayOutputStream.writeTo(Unknown Source)
  27.         - locked <0x00000001b40ceca0> (a org.mortbay.util.ByteArrayOutputStream2)
  28.         at org.mortbay.jetty.AbstractGenerator$OutputWriter.write(AbstractGenerator.java:903)
  29.         at java.io.PrintWriter.write(Unknown Source)
  30.         - locked <0x00000001b40ceed8> (a org.mortbay.jetty.HttpConnection$OutputWriter)
  31.         at java.io.PrintWriter.write(Unknown Source)
  32.         - locked <0x00000001b40cef20> (a org.mortbay.jetty.HttpConnection$1)
  33.         at org.apache.sling.engine.impl.output.BufferedPrintWriter.flushBuffer(BufferedPrintWriter.java:210)
  34.         at org.apache.sling.engine.impl.output.BufferedPrintWriter.write(BufferedPrintWriter.java:366)
  35.         at java.io.PrintWriter.write(Unknown Source)
  36.         - locked <0x00000001b4306e38> (a org.apache.sling.engine.impl.output.BufferedPrintWriter)
  37.         at org.apache.sling.engine.impl.output.BufferedPrintWriter.flushBuffer(BufferedPrintWriter.java:210)
  38.         at org.apache.sling.engine.impl.request.ContentData.flushBuffer(ContentData.java:110)
  39.         at org.apache.sling.engine.impl.request.ContentData.dispose(ContentData.java:68)
  40.         at org.apache.sling.engine.impl.request.RequestData.popContent(RequestData.java:569)
  41.         at org.apache.sling.engine.impl.SlingRequestProcessorImpl.dispatchRequest(SlingRequestProcessorImpl.java:310)
  42.         at org.apache.sling.engine.impl.request.SlingRequestDispatcher.dispatch(SlingRequestDispatcher.java:208)
  43.         at org.apache.sling.engine.impl.request.SlingRequestDispatcher.forward(SlingRequestDispatcher.java:143)
  44.         at org.apache.jsp.apps.IMEApp.PageRenderer.html_jsp._jspService(html_jsp.java:233)
  45.         at org.apache.sling.scripting.jsp.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
  46.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
  47.         at org.apache.sling.scripting.jsp.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:419)
  48.         at org.apache.sling.scripting.jsp.JspServletWrapperAdapter.service(JspServletWrapperAdapter.java:59)
  49.         at org.apache.sling.scripting.jsp.JspScriptEngineFactory.callJsp(JspScriptEngineFactory.java:173)
  50.         at org.apache.sling.scripting.jsp.JspScriptEngineFactory.access$100(JspScriptEngineFactory.java:84)
  51.         at org.apache.sling.scripting.jsp.JspScriptEngineFactory$JspScriptEngine.eval(JspScriptEngineFactory.java:388)
  52.         at org.apache.sling.scripting.core.impl.DefaultSlingScript.call(DefaultSlingScript.java:358)
  53.         at org.apache.sling.scripting.core.impl.DefaultSlingScript.eval(DefaultSlingScript.java:170)
  54.         at org.apache.sling.scripting.core.impl.DefaultSlingScript.service(DefaultSlingScript.java:456)
  55.         at org.apache.sling.engine.impl.request.RequestData.service(RequestData.java:529)
  56.         at org.apache.sling.engine.impl.SlingRequestProcessorImpl.processComponent(SlingRequestProcessorImpl.java:274)
  57.         at org.apache.sling.engine.impl.filter.RequestSlingFilterChain.render(RequestSlingFilterChain.java:49)
  58.         at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:64)
  59.         at org.apache.sling.engine.impl.debug.RequestProgressTrackerLogFilter.doFilter(RequestProgressTrackerLogFilter.java:59)
  60.         at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60)
  61.         at org.apache.sling.engine.impl.SlingRequestProcessorImpl.processRequest(SlingRequestProcessorImpl.java:161)
  62.         at org.apache.sling.engine.impl.SlingMainServlet.service(SlingMainServlet.java:183)
  63.         at org.apache.felix.http.base.internal.handler.ServletHandler.doHandle(ServletHandler.java:96)
  64.         at org.apache.felix.http.base.internal.handler.ServletHandler.handle(ServletHandler.java:79)
  65.         at org.apache.felix.http.base.internal.dispatch.ServletPipeline.handle(ServletPipeline.java:42)
  66.         at org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter(InvocationFilterChain.java:49)
  67.         at org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFilterChain.java:33)
  68.         at org.apache.felix.http.base.internal.dispatch.FilterPipeline.dispatch(FilterPipeline.java:48)
  69.         at org.apache.felix.http.base.internal.dispatch.Dispatcher.dispatch(Dispatcher.java:39)
  70.         at org.apache.felix.http.base.internal.DispatcherServlet.service(DispatcherServlet.java:67)
  71.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
  72.         at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
  73.         at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:390)
  74.         at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
  75.         at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)
  76.         at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
  77.         at org.mortbay.jetty.Server.handle(Server.java:326)
  78.         at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
  79.         at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:926)
  80.         at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:549)
  81.         at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212)
  82.         at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
  83.         at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:410)
  84.         at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)
  85. "194337136@qtp-325350008-1 - Acceptor0 SelectChannelConnector@0.0.0.0:80":
  86.         at org.mortbay.io.nio.SelectChannelEndPoint.updateKey(SelectChannelEndPoint.java:320)
  87.         - waiting to lock <0x00000001af48d428> (a org.mortbay.jetty.nio.SelectChannelConnector$ConnectorEndPoint)
  88.         at org.mortbay.io.nio.SelectChannelEndPoint.close(SelectChannelEndPoint.java:456)
  89.         at org.mortbay.jetty.nio.SelectChannelConnector$ConnectorEndPoint.close(SelectChannelConnector.java:362)
  90.         at org.mortbay.io.nio.SelectChannelEndPoint.idleExpired(SelectChannelEndPoint.java:174)
  91.         at org.mortbay.io.nio.SelectChannelEndPoint$IdleTask.expire(SelectChannelEndPoint.java:489)
  92.         at org.mortbay.thread.Timeout.tick(Timeout.java:137)
  93.         - locked <0x00000000900262b8> (a org.mortbay.io.nio.SelectorManager$SelectSet)
  94.         at org.mortbay.thread.Timeout.tick(Timeout.java:153)
  95.         at org.mortbay.io.nio.SelectorManager$SelectSet.doSelect(SelectorManager.java:753)
  96.         at org.mortbay.io.nio.SelectorManager.doSelect(SelectorManager.java:191)
  97.         at org.mortbay.jetty.nio.SelectChannelConnector.accept(SelectChannelConnector.java:124)
  98.         at org.mortbay.jetty.AbstractConnector$Acceptor.run(AbstractConnector.java:708)
  99.         at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)
  100. "37.254.219.190 [1385392436687] GET / HTTP/1.1":
  101.         at org.mortbay.io.nio.SelectorManager$SelectSet.scheduleIdle(SelectorManager.java:784)
  102.         - waiting to lock <0x00000000900262b8> (a org.mortbay.io.nio.SelectorManager$SelectSet)
  103.         at org.mortbay.io.nio.SelectChannelEndPoint.scheduleIdle(SelectChannelEndPoint.java:159)
  104.         at org.mortbay.io.nio.SelectChannelEndPoint.blockWritable(SelectChannelEndPoint.java:293)
  105.         - locked <0x00000001af48d428> (a org.mortbay.jetty.nio.SelectChannelConnector$ConnectorEndPoint)
  106.         at org.mortbay.jetty.AbstractGenerator$Output.blockForOutput(AbstractGenerator.java:544)
  107.         at org.mortbay.jetty.AbstractGenerator$Output.flush(AbstractGenerator.java:571)
  108.         at org.mortbay.jetty.HttpConnection$Output.flush(HttpConnection.java:1010)
  109.         at org.mortbay.jetty.AbstractGenerator$Output.write(AbstractGenerator.java:650)
  110.         at org.mortbay.jetty.AbstractGenerator$Output.write(AbstractGenerator.java:579)
  111.         at java.io.ByteArrayOutputStream.writeTo(Unknown Source)
  112.         - locked <0x00000001b3f30c70> (a org.mortbay.util.ByteArrayOutputStream2)
  113.         at org.mortbay.jetty.AbstractGenerator$OutputWriter.write(AbstractGenerator.java:903)
  114.         at java.io.PrintWriter.write(Unknown Source)
  115.         - locked <0x00000001b3f30ea8> (a org.mortbay.jetty.HttpConnection$OutputWriter)
  116.         at java.io.PrintWriter.write(Unknown Source)
  117.         - locked <0x00000001b3f30ef0> (a org.mortbay.jetty.HttpConnection$1)
  118.         at org.apache.sling.engine.impl.output.BufferedPrintWriter.flushBuffer(BufferedPrintWriter.java:210)
  119.         at org.apache.sling.engine.impl.output.BufferedPrintWriter.write(BufferedPrintWriter.java:366)
  120.         at java.io.PrintWriter.write(Unknown Source)
  121.         - locked <0x00000001b47552f8> (a org.apache.sling.engine.impl.output.BufferedPrintWriter)
  122.         at org.apache.sling.engine.impl.output.BufferedPrintWriter.flushBuffer(BufferedPrintWriter.java:210)
  123.         at org.apache.sling.engine.impl.request.ContentData.flushBuffer(ContentData.java:110)
  124.         at org.apache.sling.engine.impl.request.ContentData.dispose(ContentData.java:68)
  125.         at org.apache.sling.engine.impl.request.RequestData.popContent(RequestData.java:569)
  126.         at org.apache.sling.engine.impl.SlingRequestProcessorImpl.dispatchRequest(SlingRequestProcessorImpl.java:310)
  127.         at org.apache.sling.engine.impl.request.SlingRequestDispatcher.dispatch(SlingRequestDispatcher.java:208)
  128.         at org.apache.sling.engine.impl.request.SlingRequestDispatcher.forward(SlingRequestDispatcher.java:143)
  129.         at org.apache.jsp.apps.IMEApp.PageRenderer.html_jsp._jspService(html_jsp.java:233)
  130.         at org.apache.sling.scripting.jsp.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
  131.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
  132.         at org.apache.sling.scripting.jsp.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:419)
  133.         at org.apache.sling.scripting.jsp.JspServletWrapperAdapter.service(JspServletWrapperAdapter.java:59)
  134.         at org.apache.sling.scripting.jsp.JspScriptEngineFactory.callJsp(JspScriptEngineFactory.java:173)
  135.         at org.apache.sling.scripting.jsp.JspScriptEngineFactory.access$100(JspScriptEngineFactory.java:84)
  136.         at org.apache.sling.scripting.jsp.JspScriptEngineFactory$JspScriptEngine.eval(JspScriptEngineFactory.java:388)
  137.         at org.apache.sling.scripting.core.impl.DefaultSlingScript.call(DefaultSlingScript.java:358)
  138.         at org.apache.sling.scripting.core.impl.DefaultSlingScript.eval(DefaultSlingScript.java:170)
  139.         at org.apache.sling.scripting.core.impl.DefaultSlingScript.service(DefaultSlingScript.java:456)
  140.         at org.apache.sling.engine.impl.request.RequestData.service(RequestData.java:529)
  141.         at org.apache.sling.engine.impl.SlingRequestProcessorImpl.processComponent(SlingRequestProcessorImpl.java:274)
  142.         at org.apache.sling.engine.impl.filter.RequestSlingFilterChain.render(RequestSlingFilterChain.java:49)
  143.         at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:64)
  144.         at org.apache.sling.engine.impl.debug.RequestProgressTrackerLogFilter.doFilter(RequestProgressTrackerLogFilter.java:59)
  145.         at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60)
  146.         at org.apache.sling.engine.impl.SlingRequestProcessorImpl.processRequest(SlingRequestProcessorImpl.java:161)
  147.         at org.apache.sling.engine.impl.SlingMainServlet.service(SlingMainServlet.java:183)
  148.         at org.apache.felix.http.base.internal.handler.ServletHandler.doHandle(ServletHandler.java:96)
  149.         at org.apache.felix.http.base.internal.handler.ServletHandler.handle(ServletHandler.java:79)
  150.         at org.apache.felix.http.base.internal.dispatch.ServletPipeline.handle(ServletPipeline.java:42)
  151.         at org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter(InvocationFilterChain.java:49)
  152.         at org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFilterChain.java:33)
  153.         at org.apache.felix.http.base.internal.dispatch.FilterPipeline.dispatch(FilterPipeline.java:48)
  154.         at org.apache.felix.http.base.internal.dispatch.Dispatcher.dispatch(Dispatcher.java:39)
  155.         at org.apache.felix.http.base.internal.DispatcherServlet.service(DispatcherServlet.java:67)
  156.         at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
  157.         at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
  158.         at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:390)
  159.         at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
  160.         at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)
  161.         at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
  162.         at org.mortbay.jetty.Server.handle(Server.java:326)
  163.         at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
  164.         at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:926)
  165.         at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:549)
  166.         at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212)
  167.         at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
  168.         at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:410)
  169.         at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)
  170.  
  171. Found 1 deadlock.
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