Java version -
   Java-Plug-in 10.9.2.05
   JRE-Version verwenden 1.7.0_09-b05 Java HotSpot(TM) Client VM

OS -
    Windows XP Service Pack 3

Problem -
    Have a frequently occurring dead lock (1-2 times per day) between Image fetcher and finalizer. This problem seems occur first with version 7u9. There is no workaround possible.

Java stack information for the threads listed above:
===================================================
"Image Fetcher 0":
                at com.sun.deploy.cache.MemoryCache.addResourceReference(Unknown Source)
                - waiting to lock <0x2ac26bb8> (a java.lang.Class for com.sun.deploy.cache.MemoryCache)
                at com.sun.deploy.cache.CachedJarFile.<init>(Unknown Source)
                at com.sun.deploy.cache.CachedJarFile.<init>(Unknown Source)
                at com.sun.deploy.cache.CacheEntry$5.run(Unknown Source)
                at java.security.AccessController.doPrivileged(Native Method)
                at com.sun.deploy.cache.CacheEntry.getJarFile(Unknown Source)
                - locked <0x2b9ea518> (a com.sun.deploy.cache.CacheEntry)
                at com.sun.deploy.model.ResourceProvider.getCachedJarFile(Unknown Source)
                at sun.plugin.PluginURLJarFileCallBack$1.run(Unknown Source)
                at java.security.AccessController.doPrivileged(Native Method)
                at sun.plugin.PluginURLJarFileCallBack.retrieve(Unknown Source)
                at sun.net.www.protocol.jar.URLJarFile.retrieve(Unknown Source)
                at sun.net.www.protocol.jar.URLJarFile.getJarFile(Unknown Source)
                at sun.net.www.protocol.jar.JarFileFactory.get(Unknown Source)
                at sun.net.www.protocol.jar.JarURLConnection.connect(Unknown Source)
                at sun.plugin.net.protocol.jar.CachedJarURLConnection.connect(Unknown Source)
                at sun.plugin.net.protocol.jar.CachedJarURLConnection.getInputStream(Unknown Source)
                at sun.awt.image.URLImageSource.getDecoder(Unknown Source)
                at sun.awt.image.InputStreamImageSource.doFetch(Unknown Source)
                at sun.awt.image.ImageFetcher.fetchloop(Unknown Source)
                at sun.awt.image.ImageFetcher.run(Unknown Source)
"Finalizer":
                at com.sun.deploy.cache.CacheEntry.getJarFile(Unknown Source)
                - waiting to lock <0x2b9ea518> (a com.sun.deploy.cache.CacheEntry)
                at com.sun.deploy.cache.MemoryCache.hasReferencesTo(Unknown Source)
                - locked <0x2ac26bb8> (a java.lang.Class for com.sun.deploy.cache.MemoryCache)
                at com.sun.deploy.cache.CachedJarFile.close(Unknown Source)
                at java.util.zip.ZipFile.finalize(Unknown Source)
                at java.lang.ref.Finalizer.invokeFinalizeMethod(Native Method)
                at java.lang.ref.Finalizer.runFinalizer(Unknown Source)
                at java.lang.ref.Finalizer.access$100(Unknown Source)
                at java.lang.ref.Finalizer$FinalizerThread.run(Unknown Source)

Found 1 deadlock.