FULL PRODUCT VERSION :
JRE 7u111 b31

ADDITIONAL OS VERSION INFORMATION :
MS Windows 7 OS

A DESCRIPTION OF THE PROBLEM :
The deadlock occurs during execution of Java Web Start application.

ERROR MESSAGES/STACK TRACES THAT OCCUR :

---------- Call stacks of 3 threads blocking each other ----------
Found one Java-level deadlock:
=============================
"Thread-20":
  waiting to lock monitor 0x0a6d0044 (object 0x29950240, a com.sun.jnlp.JNLPClassLoader),
  which is held by "pool-1-thread-2"
"pool-1-thread-2":
  waiting to lock monitor 0x07e333f4 (object 0x29950428, a com.sun.jnlp.JNLPClassLoader),
  which is held by "AWT-EventQueue-2"
"AWT-EventQueue-2":
  waiting to lock monitor 0x0a6d0044 (object 0x29950240, a com.sun.jnlp.JNLPClassLoader),
  which is held by "pool-1-thread-2"

Java stack information for the threads listed above:
===================================================
"Thread-20":
        at java.lang.Class.getDeclaringClass0(Native Method)
        at java.lang.Class.getDeclaringClass(Unknown Source)
        at java.lang.Class.getEnclosingClass(Unknown Source)
        at java.lang.Class.getCanonicalName(Unknown Source)
        at sun.net.www.protocol.https.HttpsClient.afterConnect(Unknown Source)
        at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(Unknown Source)
        at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
        - locked <0x24f65f68> (a sun.net.www.protocol.https.DelegateHttpsURLConnection)
        at sun.net.www.protocol.http.HttpURLConnection.getHeaderField(Unknown Source)
        at java.net.HttpURLConnection.getHeaderFieldDate(Unknown Source)
        at java.net.URLConnection.getLastModified(Unknown Source)
        at sun.net.www.protocol.https.HttpsURLConnectionImpl.getLastModified(Unknown Source)
        at com.sun.deploy.util.SecurityBaseline.checkForUpdate(Unknown Source)
        at com.sun.deploy.util.SecurityBaseline.access$100(Unknown Source)
        at com.sun.deploy.util.SecurityBaseline$1.run(Unknown Source)
        at java.lang.Thread.run(Unknown Source)
"pool-1-thread-2":
        at java.lang.ClassLoader.loadClass(Unknown Source)
        - waiting to lock <0x29950428> (a com.sun.jnlp.JNLPClassLoader)
        at com.sun.jnlp.JNLPClassLoader.loadClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        - locked <0x29950240> (a com.sun.jnlp.JNLPClassLoader)
        at com.sun.jnlp.JNLPClassLoader.loadClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at <APPLICATION_CLASS>.ladeBenutzerPostkoerbe(Unknown Source)
        at <APPLICATION_CLASS>.ladePostkoerbeDesBenutzersBD(Unknown Source)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at <APPLICATION_PACKAGE>.AbstractBasisPresentationModel$2.doInBackground(Unknown Source)
        at org.jdesktop.swingworker.SwingWorker$1.call(Unknown Source)
        at java.util.concurrent.FutureTask.run(Unknown Source)
        at org.jdesktop.swingworker.SwingWorker.run(Unknown Source)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
        at java.lang.Thread.run(Unknown Source)
"AWT-EventQueue-2":
        at com.sun.deploy.security.DeployURLClassPath.getLoader(Unknown Source)
        - waiting to lock <0x29950240> (a com.sun.jnlp.JNLPClassLoader)
        at com.sun.deploy.security.DeployURLClassPath.getResource(Unknown Source)
        at java.net.URLClassLoader$1.run(Unknown Source)
        at java.net.URLClassLoader$1.run(Unknown Source)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(Unknown Source)
        at com.sun.jnlp.JNLPClassLoader.findClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        - locked <0x29950428> (a com.sun.jnlp.JNLPClassLoader)
        at com.sun.jnlp.JNLPClassLoader.loadClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at org.bouncycastle.jcajce.provider.digest.MD5$Mappings.configure(Unknown Source)
        at org.bouncycastle.jce.provider.BouncyCastleProvider.loadAlgorithms(Unknown Source)
        at org.bouncycastle.jce.provider.BouncyCastleProvider.setup(Unknown Source)
        at org.bouncycastle.jce.provider.BouncyCastleProvider.access$000(Unknown Source)
        at org.bouncycastle.jce.provider.BouncyCastleProvider$1.run(Unknown Source)
        at java.security.AccessController.doPrivileged(Native Method)
        at org.bouncycastle.jce.provider.BouncyCastleProvider.<init>(Unknown Source)
        at <APPLICATION_PACKAGE>.DocumentCache.<init>(Unknown Source)
        at <APPLICATION_PACKAGE>.DocumentCache.getInstance(Unknown Source)
        - locked <0x24b635c8> (a java.lang.Class for <APPLICATION_PACKAGE>.DocumentCache)
        at <APPLICATION_CLASS>.ready(Unknown Source)
        at com.jgoodies.application.AbstractApplication$ReadyOnEmptyEventQueue.done(Unknown Source)
        at org.jdesktop.swingworker.SwingWorker$5.run(Unknown Source)
        at org.jdesktop.swingworker.SwingWorker$DoSubmitAccumulativeRunnable.run(Unknown Source)
        at org.jdesktop.swingworker.AccumulativeRunnable.run(Unknown Source)
        at org.jdesktop.swingworker.SwingWorker$DoSubmitAccumulativeRunnable.actionPerformed(Unknown Source)
        at javax.swing.Timer.fireActionPerformed(Unknown Source)
        at javax.swing.Timer$DoPostEvent.run(Unknown Source)
        at java.awt.event.InvocationEvent.dispatch(Unknown Source)
        at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
        at java.awt.EventQueue.access$300(Unknown Source)
        at java.awt.EventQueue$3.run(Unknown Source)
        at java.awt.EventQueue$3.run(Unknown Source)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
        at java.awt.EventQueue.dispatchEvent(Unknown Source)
        at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
        at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
        at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
        at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
        at java.awt.EventDispatchThread.run(Unknown Source)