Memory analysis:

Start: in the jar files in the directory: Java - Xms800m - jar ha457. Jar
As to the start page,

Dupm file generation: using jmap to generate:
Jmap - dump: the format=b, the file=heapdumps. Hprof 7540

7540 is a Java process,

Then open the generated with heapanalyzer dupm file,