Java Heap Dump error - Metadata does not appear to be polymorphic

Question

I get this Stacktrace when trying to take a heap dump from a running Java process. What causes this and what do I have to do to make a proper heap dump?

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Answer 1

I had this issue on CentOS even when running as the user that started the process. What solved it for me was installing the debuginfo package corresponding to the package supplying the jmap utility.

To install the debuginfo package, see this answer (substituting your java package for glibc). It requires getting/using the debuginfo-install utility, and making sure the CentOS-Debuginfo.repo is set up correctly and enabled.