demery-pivotal opened a new pull request #6763:
URL: https://github.com/apache/geode/pull/6763


   PROBLEM
   
   Windows limits command lines to a maximum length of ~32k characters. The
   command line for DUnit child VMs is very close to this limit.
   
   Currently this prevents us from adding JUnit 5 support. JUnit 5 adds 8
   more jars to the classpath, which adds ~1300 characters to the command
   line, which puts the command line over the limit.
   
   SOLUTION
   
   Write the ChildVM's entire classpath to a "pathing" jar, then include
   only that pathing jar on the command line. This results in command line
   that is shorter by many thousands of characters, and which does not grow
   as we add more jars or other classpath elements.
   


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