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- http://www.javacodegeeks.com/2011/06/zero-downtime-deployment-and-rollback.html
- http://java.dzone.com/articles/memory-leak-protection-tomcat
- http://www.mkyong.com/tomcat/tomcat-javalangoutofmemoryerror-permgen-space/
- https://blog.coremedia.com/cm/post/1856228/Fight_Tomcats_OutOfMemoryError_PermGen.html
Monitor process
Alternate solution to be considered if the previous fails.
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