Firmware upgrade using DCM - java.lang.OutOfMemoryError

[kgund002]

When I use DCM to perform firmware upgrade I'm seeing out of memory error.

BUILD FAILED
/home/usr/dcmMaster-v24/deploy.ant.xml:746: The following error occurred while executing this line:
/home/usr/dcmMaster-v24/src/dcm-taskdefs.ant.xml:1193: java.lang.OutOfMemoryError: Java heap space
at com.ibm.dcm.Base64.base64FromBinaryFile(Base64.java:260)
at com.ibm.dcm.taskDpupload.upload(taskDpupload.java:295)
at com.ibm.dcm.taskDpupload.execute(taskDpupload.java:119)
at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292)
at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:99)
at org.apache.tools.ant.Task.perform(Task.java:350)
at org.apache.tools.ant.taskdefs.Sequential$$Lambda$58/146611050.accept(Unknown Source)
at java.util.Vector.forEach(Vector.java:1277)
at org.apache.tools.ant.taskdefs.Sequential.execute(Sequential.java:67)
at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292)
at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:99)
at org.apache.tools.ant.Task.perform(Task.java:350)
at org.apache.tools.ant.taskdefs.MacroInstance.execute(MacroInstance.java:391)
at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292)
at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:99)
at org.apache.tools.ant.Task.perform(Task.java:350)
at org.apache.tools.ant.Target.execute(Target.java:449)
at org.apache.tools.ant.Target.performTasks(Target.java:470)
at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1388)
at org.apache.tools.ant.Project.executeTarget(Project.java:1361)
at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
at org.apache.tools.ant.Project.executeTargets(Project.java:1251)
at org.apache.tools.ant.Main.runBuild(Main.java:834)