MettleCI CLI throws error 'java.lang.OutOfMemoryError: Java heap space'

Problem

Various commands in the MettleCI CLI are throwing a java.lang.OutOfMemoryError: Java heap space error.

Solution

If you are using MettleCI CLI versions between 139 and 145 then ensure you upgrade to 146 or later.

Increase the Java Heap Size by passing the -Xms & -Xmx value while running the CLI

Default maximum heap size set by MettleCI CLI is 512m

Unix/Linux

CODE

$ export JAVA_OPTIONS="-Xms32m -Xmx1024m"
$ ./mettleci datastage execute 
                  -domain svcs.host:9443 
                  -server engn.host 
                  -username isadmin 
                  -password *****
                  -project dstage1
                  -jobname myfirstjob

Windows

CODE

C:\mci\cli> set JAVA_OPTIONS=-Xms32m -Xmx1024m
C:\mci\cli> mettleci datastage execute 
                  -domain svcs.host:9443 
                  -server engn.host 
                  -username isadmin 
                  -password *****
                  -project dstage1
                  -jobname myfirstjob

Solution for MettleCI CLI version 138 or earlier

If you are using are using MettleCI CLI version 1.0-138 or below, you will need to edit the mettleci or mettleci.cmd file

Search for

CODE

JAVA_OPTIONS=-Xms32m -Xmx512m

and increase the -Xmx value

CODE

JAVA_OPTIONS=-Xms32m -Xmx1024m