Abstract Dumping a JVM's heap is an extremely useful tool for debugging problems with a J2EE application. Unfortunately, when a JVM explodes, using the standard jmap tool can take an inordinate amount of time to execute for lots of different reasons. This leads to extended downtime when a heap dump is attempted and even then, jmap regularly fails. This blog post is intended to outline an alternate method using standard tools in the Unix/Linux arsenal to achieve a heap dump that only requires

Continue reading »