How to properly dump a process in JVM?

Question

Java

In general, I have a running main.jar file, I need to dump it into a file, there is a command:
jmap -F -dump <file> <pid>
but it does not work correctly (it displays an attachment error). How to correctly call this command?

Answer 1

docs.oracle.com/javase/7/docs/technotes/tools/shar...

NOTE: This utility is unsupported and may or may not be available in future versions of the JDK. In Windows Systems where dbgeng.dll is not present, 'Debugging Tools For Windows' needs to be installed to have these tools working. Also, PATH environment variable should contain the location of jvm.dll used by the target process or the location from which the Crash Dump file was produced.