In development server, due to the fact that process design will always get updated and delopeddeveloped, there will be more and more XPDLs are cached in the memory. In the long run, this will be causing may cause "java.lang.OutOfMemoryError" exception during runtime or server startup. To solve this issue, we will need to clean up the unused XPDLs with following steps. The following example queries are written in MySQL syntax.
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