158 lines
7.5 KiB
HTML
158 lines
7.5 KiB
HTML
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html>
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<head>
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<META http-equiv="Content-Type" content="text/html; charset=utf-8">
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<LINK rel="stylesheet" type="text/css" href="../../../rzahg/ic.css">
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<title>Monitor the application server jobs with iSeries commands</title>
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</head>
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<BODY>
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<!-- Java sync-link -->
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<SCRIPT LANGUAGE="Javascript" SRC="../../../rzahg/synch.js" TYPE="text/javascript"></SCRIPT>
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<h3><a name="trbmntrjobsiseries"></a>Monitor the application server jobs with iSeries commands</h3>
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<p>This topic describes the jobs used by an application server and how you can
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monitor jobs by using iSeries command language (CL) commands.</p>
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<ul>
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<li>
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<p>Each application server instance consists of one or more jobs. These jobs
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run in the QASE51 subsystem. The job name is the first 10 characters of
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the application server name. If the first 10 characters do not provide
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a valid iSeries job name, the application server runtime creates a valid
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job name. If the runtime cannot create a valid job name for the application
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server, the application server will not start.</p>
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<p>The application server provides the runtime environment for server-side
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Java components. The application server plug-in interfaces with the Web
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server to handle client requests for server-side resources and route them
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to their application server for processing.</p>
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</li>
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<li>
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<p>If using the IBM Developer Kit for Java JDBC driver for database access,
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your instance uses one or more QSQSRVR jobs that run in the QSYSWRK subsystem.
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To determine what QSQSRVR job your application server job is using, view
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the server job log. For each JDBC connection obtained, the message SQL7908
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with message text similar to the following:</p>
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<pre>Job 163707/QUSER/QSQSRVR used for SQL server mode processing.</pre>
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</li>
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<li>
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<p>If you are using the IBM Toolbox for Java JDBC driver for database access,
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your instance uses one or more QZDASOINIT jobs that run in subsystem QUSRWRK.</p>
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</li>
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<li>
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<p>Depending on which Web server you are using to serve Web resources, your
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instance uses jobs from the Web server instance:</p>
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<ul>
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<li>
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<p><strong>IBM HTTP Server (powered by Apache) </strong> <br>
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Each HTTP Server (powered by Apache) instance consists of two or more
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jobs that run in the QHTTPSVR subsystem. The name of each job is
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the same as the name of the HTTP Server instance. The application
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server plug-in code runs in the second job listed for HTTP Server
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(powered by Apache) instance.</p>
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</li>
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<li><strong>Domino Web Server </strong> <br>
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Each Domino Web Server instance has a corresponding subsystem in which
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the jobs for the instance run. The subsystem for the first Web server
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instance created is DOMINO001, the subsystem for the second Web server
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instance created is DOMINO002, and so on. The application server plug-in
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code runs in the job named HTTP in the subsystem in which your Web
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server instance is running.</li>
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</ul>
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</li>
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</ul>
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<p><strong>OS/400 command language (CL) commands for monitoring</strong></p>
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<p>Use iSeries CL commands to monitor jobs that run in your application server
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environment. You can view the job logs, display message details, and view spooled
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files associated with the jobs. The job logs and associated spooled files for
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the jobs can contain valuable information for determining the root of a problem.</p>
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<p>This table lists some iSeries commands that you can use to monitor application
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server jobs:</p>
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<table width="75%" border="1" cellpadding="3" cellspacing="1">
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<tr>
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<th align="left" valign="top"><strong>Task</strong></th>
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<th align="left" valign="top"><strong>iSeries command and description</strong></th>
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</tr>
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<tr>
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<td align="left" valign="top">Work with active application server jobs</td>
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<td align="left" valign="top"><p>For application server jobs that run in
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the QASE51 subsystem:</p>
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<pre>WRKACTJOB SBS(QASE51)</pre>
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</td>
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</tr>
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<tr>
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<td align="left" valign="top">Work with all jobs with a specific name</td>
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<td align="left" valign="top"><p>This command lists all jobs, active or not,
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named <em> job_name</em>. The jobs are listed by date, most recent first:</p>
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<pre>WRKJOB JOB(<em>job_name)</em></pre>
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<p>This command is very useful when an application server ends abnormally
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or fails to start successfully. For example, if an application server
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started then ended immediately, you could do the following with the job
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log:</p>
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<ul>
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<li>Run the command <pre>WRKJOB JOB(SERVER1)</pre>.</li>
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<li>Specify option <strong>1</strong> on the option line next to the
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first job listed that has a status of OUTQ.</li>
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<li>Specify option <strong>4</strong> (Work with spooled files) on the
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command line of the Work with Job screen.</li>
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<li>Specify option <strong>5</strong> next to the QPJOBLOG spooled file
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to view the contents.</li>
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</ul>
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</td>
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</tr>
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<tr>
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<td align="left" valign="top">Work with a specific job</td>
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<td align="left" valign="top"><p>This command displays the Work with Job
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screen for the specified job:</p>
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<pre>WRKJOB JOB(<em>job_number/job_user/job_name</em>)</pre>
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<p>This command is useful when you know the fully qualified job information
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for the job.</p>
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</td>
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</tr>
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<tr>
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<td align="left" valign="top">View the job log for an active application
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server job</td>
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<td align="left" valign="top"><ol>
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<li>Run the following command:
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<ul>
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<li><pre>WRKJOB SBS(QASE51)</pre></li>
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</ul>
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</li>
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<li>Specify option <strong>5</strong> (Work with) in the option line
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next to the active job whose job log you want to view.</li>
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<li>In the Work with Job display, specify option <strong>10</strong> (Display
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job log, if active or on job queue).</li>
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<li>Press the <strong>F10</strong> key to display all messages.</li>
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<li>In the job log, position the cursor on a message for which you want
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to display extended message information.</li>
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<li>Press the <strong>F1</strong> (Help) key.</li>
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</ol>
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</td>
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</tr>
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<tr>
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<td align="left" valign="top">Work with application server jobs that run
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under the QEJBSVR user profile</td>
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<td align="left" valign="top"><pre>WRKUSRJOB USER(QEJBSVR)</pre></td>
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</tr>
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<tr>
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<td align="left" valign="top">Delete spooled files for QEJBSVR user profile</td>
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<td align="left" valign="top"><pre>DLTSPLF FILE(*SELECT) SELECT(QEJBSVR)</pre></td>
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</tr>
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<tr>
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<td align="left" valign="top">View the spooled files for a job</td>
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<td align="left" valign="top"><ol>
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<li>Run the following command:
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<ul>
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<li><pre>WRKJOB SBS(QASE51)</pre></li>
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</ul>
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</li>
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<li>Specify option <strong>8</strong> (Work with Spooled Files) in the
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option line next to the active job whose job log you want to view.</li>
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<li>Specify option <strong>5</strong> (Display) in the option line next
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to the spooled file you want to view.</li>
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</ol>
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<p>You can view ended jobs by using the Work with User Jobs (<tt>WRKUSRJOB</tt>)
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or Work with Job (<tt>WRKJOB</tt>) commands.</p>
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</td>
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</tr>
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</table>
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</body>
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</html>
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