strong textThe DefaultDeploymentCache uses a normal HashMap if it ist created by ProcessEngineConfigurationImpl with no limit definition. In a multi threaded application this could cause endless loops and runs thread cpu use to 100%. We need to restart our production application server, to fix this issue.
There is a simple small fix for this:
Activiti 5.20, JBoss 6.2.2.GA, JDK 1.7.0_80