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  1. JDK
  2. JDK-6603340

Plugin2: Unwanted exceptions getting thrown once page is refreshed and switched back or forward

    Details

    • Subcomponent:
    • Introduced In Build:
      b08
    • Introduced In Version:
    • CPU:
      generic
    • OS:
      windows

      Description

      Scenario I:
      Load the following applet inside the browser and try to refresh the browser
      http://sqeweb.sfbay.sun.com/deployment2/jitu/deployment_JDK7_int_ws/deployment/src/plugin/manual/html/ThreadLeak.html
      If following exceptions are getting raised then bug is reproduced:
      java.lang.InterruptedException
          at java.lang.Object.wait(Native Method)
          at sun.plugin2.message.Queue.waitForMessage(Queue.java:86)
          at sun.plugin2.message.Pipe.receive(Pipe.java:103)
          at sun.plugin2.main.client.MessagePassingExecutionContext.getProxyList(MessagePassingExecutionContext.java:130)
          at sun.plugin2.main.client.PluginProxySelector.select(PluginProxySelector.java:66)
          at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:742)
          at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:672)
          at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:997)
          at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:391)
          at sun.plugin2.applet.Applet2ClassLoader.getBytes(Applet2ClassLoader.java:348)
          at sun.plugin2.applet.Applet2ClassLoader.access$100(Applet2ClassLoader.java:47)
          at sun.plugin2.applet.Applet2ClassLoader$1.run(Applet2ClassLoader.java:151)
          at java.security.AccessController.doPrivileged(Native Method)
          at sun.plugin2.applet.Applet2ClassLoader.findClass(Applet2ClassLoader.java:148)
          at java.lang.ClassLoader.loadClass(ClassLoader.java:324)
          at java.lang.ClassLoader.loadClass(ClassLoader.java:269)
          at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:337)
          at sqe.ThreadLeakTest.destroy(ThreadLeakTest.java:93)
          at sun.plugin2.applet.Applet2Manager$AppletExecutionRunnable.run(Applet2Manager.java:834)
          at java.lang.Thread.run(Thread.java:644)
      java.lang.RuntimeException: java.lang.NullPointerException
          at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:962)
          at sun.net.www.protocol.http.HttpURLConnection.getHeaderField(HttpURLConnection.java:2110)
          at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:400)
          at sun.plugin2.applet.Applet2ClassLoader.getBytes(Applet2ClassLoader.java:348)
          at sun.plugin2.applet.Applet2ClassLoader.access$100(Applet2ClassLoader.java:47)
          at sun.plugin2.applet.Applet2ClassLoader$1.run(Applet2ClassLoader.java:151)
          at java.security.AccessController.doPrivileged(Native Method)
          at sun.plugin2.applet.Applet2ClassLoader.findClass(Applet2ClassLoader.java:148)
          at java.lang.ClassLoader.loadClass(ClassLoader.java:324)
          at java.lang.ClassLoader.loadClass(ClassLoader.java:269)
          at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:337)
          at sqe.ThreadLeakTest.destroy(ThreadLeakTest.java:93)
          at sun.plugin2.applet.Applet2Manager$AppletExecutionRunnable.run(Applet2Manager.java:834)
          at java.lang.Thread.run(Thread.java:644)
      Caused by: java.lang.NullPointerException
          at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:742)
          at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:672)
          at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:997)
          at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:391)
          ... 11 more
      java.lang.reflect.InvocationTargetException
          at com.sun.deploy.util.DeployAWTUtil.invokeAndWait(DeployAWTUtil.java:116)
          at sun.plugin2.applet.Applet2Manager.runOnEDT(Applet2Manager.java:2308)
          at sun.plugin2.applet.Applet2Manager.access$2500(Applet2Manager.java:82)
          at sun.plugin2.applet.Applet2Manager$AppletExecutionRunnable.run(Applet2Manager.java:838)
          at java.lang.Thread.run(Thread.java:644)
      Caused by: java.lang.NullPointerException
          at sun.plugin2.applet.Applet2Manager$AppletExecutionRunnable$4.run(Applet2Manager.java:840)
          at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:217)
          at java.awt.EventQueue.dispatchEvent(EventQueue.java:610)
          at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:276)
          at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:201)
          at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:191)
          at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:186)
          at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:178)


      Scenario II:
      Load the following applet inside the browser
      http://sqeweb.sfbay.sun.com/deployment2/jitu/deployment_JDK7_int_ws/deployment/src/plugin/manual/html/InfiniteLoopTest.html

      Following exception is getting thrown on page switching or on refreshing the browser
      java.lang.NullPointerException
          at sun.awt.SunToolkit.postEvent(SunToolkit.java:615)
          at com.sun.deploy.util.DeployAWTUtil.invokeAndWait(DeployAWTUtil.java:110)
          at sun.plugin2.applet.Applet2Manager.runOnEDT(Applet2Manager.java:2308)
          at sun.plugin2.applet.Applet2Manager.setupGrayBoxPainter(Applet2Manager.java:1185)
          at sun.plugin2.applet.Applet2Manager.access$900(Applet2Manager.java:82)
          at sun.plugin2.applet.Applet2Manager$AppletExecutionRunnable.run(Applet2Manager.java:692)
          at java.lang.Thread.run(Thread.java:644)
      exception
      Exception in thread "thread applet-InfiniteLoopTest.class-3" java.lang.NullPointerException
          at sun.awt.SunToolkit.postEvent(SunToolkit.java:615)
          at com.sun.deploy.util.DeployAWTUtil.invokeAndWait(DeployAWTUtil.java:110)
          at sun.plugin2.applet.Applet2Manager.runOnEDT(Applet2Manager.java:2308)
          at sun.plugin2.applet.Applet2Manager.access$2500(Applet2Manager.java:82)
          at sun.plugin2.applet.Applet2Manager$AppletExecutionRunnable.run(Applet2Manager.java:866)
          at java.lang.Thread.run(Thread.java:644)

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              • Assignee:
                kbr Kenneth Russell (Inactive)
                Reporter:
                jijising Jitender Singh (Inactive)
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                • Created:
                  Updated:
                  Resolved:
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