java.lang.OutOfMemoryError: Java heap space - BPEL integration

Hello,

I am getting below error when running this command as per note 1584883.1. Any suggestions?

Recently upgraded EBS from 11i to 12.2.3

1) adop phase=prepare --completed

2) <span style="font-size: 12pt; font-family: 'Times New Roman','serif';">$ ant -f $JAVA_TOP/oracle/apps/fnd/bpel/util/txk_integration_packager.xml -DIntegration=bpel11g -DFMWNodeName=<node_name> -DFMWIpAddress=<ip> -DgenDBC=yes</span>

<span style="font-family: 'Times New Roman','serif';">checkenvset:</span>

<span style="font-family: 'Times New Roman','serif';">check.appl_top:</span>

<span style="font-family: 'Times New Roman','serif';">check.java_top:</span>

<span style="font-family: 'Times New Roman','serif';">check.applrgf:</span>

<span style="font-family: 'Times New Roman','serif';">check.fnd_top:</span>