title: java.lang.RuntimeException: ERROR: Failed to recover corrupt cache entry
body: <p>I just had this error message from one of my users. (IE8, Java 1.6.20 ). It is from an applet which receives instructions from Javascript and executes certain processes on the client.</p>
  
  <pre><code>RangeError
  java.lang.RuntimeException: ERROR: Failed to recover corrupt cache entry
  at com.sun.deploy.cache.CacheEntry.recover
  at com.sun.deploy.cache.CacheEntry.getSignerMap
  at com.sun.deploy.cache.CachedJarFile.getSignerMap
  at com.sun.deploy.cache.CachedJarFile.access$100
  ....
  </code></pre>
  
  <p>Any iddeas what could be causing this?</p>