R12 E-Business Suite Moble Web Applications Server Restart Fails With Error 'Exception in thread "main" java.lang.OutOfMemoryError: Java heap space at java.util.Arrays.copyOf(Arrays.java:2000)' When Bouncing MWA Ports (Doc ID 2303307.1)

Last updated on APRIL 04, 2025

Applies to:

Symptoms

E-Business Suite R12 Mobile Application Server, Mobile Applications Related issues

Bouncing the MWA port returns the following error:

Exception in thread "main" java.lang.OutOfMemoryError: Java heap space

$ mwactl.sh -login ****/**** stop_force port 10000 &
[1] 17000
$ MWA Telnet Server Release: 1.0.8.4 [December 12th 2002]
Exception in thread "main" java.lang.OutOfMemoryError: Java heap space
  at java.util.Arrays.copyOf(Arrays.java:2367)
  at java.lang.AbstractStringBuilder.expandCapacity(AbstractStringBuilder.java:130)
  at java.lang.AbstractStringBuilder.ensureCapacityInternal(AbstractStringBuilder.java:114)
  at java.lang.AbstractStringBuilder.append(AbstractStringBuilder.java:587)
  at java.lang.StringBuffer.append(StringBuffer.java:332)
  at oracle.apps.mwa.tools.ShutdownServer.main(ShutdownServer.java:136)
mwactl: Error shutting down Telnet server

[1]+ Exit 1 mwactl.sh -login *****/***** stop_force port 10000

Cause

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