title: Log4j and Java PermGen memory
body: <p>I have run out of perm gen memory on a Weblogic server. A relevant thread can be found here</p>
  
  <p><a href="http://forum.springsource.org/showthread.php?135181-java-lang-OutOfMemoryError-PermGen-space&amp;p=439440#post439440" rel="nofollow noreferrer">Spring Forum thread</a></p>
  
  <p>Today i tried to run a Jprofiler and this is what i see in the memory view</p>
  
  <p><img src="https://i.stack.imgur.com/FYAgT.png" alt="JProfiler screenshot"></p>
  
  <p>Why all these instances of log4j? and why all this memory consumption? 
  Can somebody explain me the reason and propose a solution?
  I am new to profiling applications....</p>