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<h1 class="topictitle1">Troubleshoot IBM Developer Kit for Java</h1>
<div><p>This topic shows you how to find job logs and collect data for Java™ program
analysis. This topic also provides information about program temporary fixes
(PTFs) and getting support for IBM<sup>®</sup> Developer Kit for Java.</p>
<p> If the performance of your program degrades as it runs for a longer period
of time, you may have erroneously coded a memory leak. You can use the JavaWatcher,
a component of iSeries™ iDoctor,
to help you debug your program and locate any memory leaks. For more information,
see <a href="http://www.ibm.com/eserver/iseries/support/i_dir/idoctor.nsf/jw.html" target="_blank">JavaWatcher</a>.</p>
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<ul class="ullinks">
<li class="ulchildlink"><strong><a href="limits.htm">Limitations</a></strong><br />
This list identifies any known limitations, restrictions, or unique
behaviors in the IBM Developer Kit for Java.</li>
<li class="ulchildlink"><strong><a href="findjob.htm">Find job logs for Java problem analysis</a></strong><br />
Use the job log from the job that ran the Java command,
and the batch immediate (BCI) job log where the Java program ran, to analyze causes of a Java failure.
They both may contain important error information.</li>
<li class="ulchildlink"><strong><a href="collect.htm">Collect data for Java problem analysis</a></strong><br />
To collect data for an authorized program analysis report (APAR), follow these steps.</li>
<li class="ulchildlink"><strong><a href="applyptfs.htm">Apply program temporary fixes</a></strong><br />
Beginning in i5/OS™ V5R4, you can use the Display Java Virtual
Machine Jobs (DSPJVMJOB) CL command to manage your JVM jobs and apply PTFs
while the system is active.</li>
<li class="ulchildlink"><strong><a href="getsup.htm">Get support for the IBM Developer Kit for Java</a></strong><br />
Support services for the IBM Developer Kit for Java are
provided under the usual terms and conditions for iSeries software products. Support services
include program services, voice support, and consulting services.</li>
</ul>
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<div class="parentlink"><strong>Parent topic:</strong> <a href="whatitis.htm" title="Java compatibleIBM Developer Kit for Java is optimized for use in an iSeries server environment. It uses the compatibility of Java programming and user interfaces, so you can develop your own applications for the iSeries server.">IBM Developer Kit for Java</a></div>
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