73 lines
4.5 KiB
HTML
73 lines
4.5 KiB
HTML
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<!DOCTYPE html
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<meta name="abstract" content="The easiest way to debug Java programs that run on your iSeries server is to use the IBM iSeries System Debugger. The IBM iSeries System Debugger provides a graphical user interface that enables you to more easily use the debugging capabilities of your iSeries server." />
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<title>Debug Java classes loaded through a custom class loader</title>
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</head>
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<body id="debugcla"><a name="debugcla"><!-- --></a>
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<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h1 class="topictitle1">Debug Java classes loaded through a custom class loader</h1>
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<div><p>The easiest way to debug Java™ programs that run on your iSeries™ server
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is to use the IBM<sup>®</sup> iSeries System
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Debugger. The IBM iSeries System
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Debugger provides a graphical user interface that enables you to more easily
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use the debugging capabilities of your iSeries server.</p>
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<div class="section"><p>For more information about using the iSeries System Debugger to debug and
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test Java programs
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that run on your iSeries server,
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see <a href="../rzamq/rzamqmain.htm" target="_blank">IBM iSeries System
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Debugger</a>.</p>
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<p>To use the interactive display of your server to debug
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a class loaded through a custom class loader, complete the following steps:</p>
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</div>
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<ol><li class="stepexpand"><span>Set the DEBUGSOURCEPATH environment variable to the directory containing
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the source code, or in the case of a package-qualified class, the starting
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directory of the package names.</span> <p>For example, if the custom class
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loader loads classes located under the directory /MYDIR, perform the following:</p>
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<pre> ADDENVVAR ENVVAR(DEBUGSOURCEPATH) VALUE('/MYDIR')</pre>
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</li>
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<li class="stepexpand"><span>Add the class to the debug view from the Display Module Source
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screen. </span> <p>If the class has already been loaded into the Java virtual
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machine (JVM), just add the *CLASS as usual and display the source code to
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debug.</p>
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<p>For example, to view the source for pkg1/test14.class, enter
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the following:</p>
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<pre> Opt Program/module Library Type
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1 pkg1.test14_ *LIBL *CLASS</pre>
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<p>If the
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class has not been loaded into the JVM, perform the same steps to add the
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*CLASS as previously indicated. The <strong>Java class file not available</strong> message
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then displays. At this point, you may resume program processing. The JVM automatically
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stops when any method of the class matching the given name is entered. The
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source code for the class is displayed and can be debugged.</p>
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</li>
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</ol>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="debug.htm" title="To debug Java programs from the i5/OS command line, select one of the options listed here.">Debug Java programs from an i5/OS command line</a></div>
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</div>
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</div>
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</body>
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</html> |