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As a result of Sun Java bug
<a class="ulink" href="http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4957990" target="_top">4957990</a>,
the Virgo may consume more PermGen space than expected when running with the
server HotSpot compiler. This problem may be resolved by configuring the
<code class="literal">JAVA_OPTS</code> environment variable to specify an increased
<code class="literal">MaxPermSize</code>, for example <code class="literal">-XX:MaxPermSize=128M</code>.
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