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* '$RCSfile$'
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* Purpose: web page describing the installation of Metacat
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* Copyright: 2008 Regents of the University of California and the
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* National Center for Ecological Analysis and Synthesis
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* Authors: Chad Berkley
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*
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* '$Author: daigle $'
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* '$Date: 2008-11-19 16:48:24 -0800 (Wed, 19 Nov 2008) $'
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* '$Revision: 4597 $'
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*
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-->
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<!DOCTYPE html PUBLIC "-//W3C//DTD html 4.0//EN">
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<html>
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<head>
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<title>Troubleshooting Metacat</title>
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<link rel="stylesheet" type="text/css" href="../user/common.css">
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<link rel="stylesheet" type="text/css" href="./default.css">
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</head>
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<body>
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<table width="100%">
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<tr>
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<td class="tablehead" colspan="2"><p class="label">Troubleshooting Metacat</p></td>
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<td class="tablehead" colspan="2" align="right">
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<a href="./testing-metacat.html">Back</a> | <a href="./index.html">Home</a> |
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<!-- a href="put next page here" -->Next<!-- /a -->
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</td>
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</tr>
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</table>
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<div class="header1">Table of Contents</div>
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<div class="toc">
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<div class="toc1"><a href="#BuildIssues">Build Issues</a></div>
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<div class="toc2"><a href="#HttpServletExceptions">Ant BUILD FAILED : Multiple HttpServlet Exceptions</a></div>
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<div class="toc1"><a href="#InstallationIssues">Installation Issues</a></div>
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<div class="toc1"><a href="#StartupIssues">Startup Issues</a></div>
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<div class="toc2"><a href="#Jdk14Logger">Metacat doesn't start and Jdk14Logger exception</a></div>
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<div class="toc1"><a href="#ConfigurationIssues">Configuration Issues</a></div>
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<div class="toc2"><a href="#DbUpdateIssue">Database Update Fails (not a connectivity issue)</a></div>
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<div class="toc1"><a href="#GeneralApplicationIssues">General Application Issues</a></div>
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<div class="toc2"><a href="#MapDisplayIssue">Maps will not display</a></div>
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<div class="toc1"><a href="#UnitTestingIssues">Unit Testing Issues</a></div>
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<div class="toc2"><a href="#503ServiceTemporarilyUnavailable">Mutliple Tests Fail : 503 Service Temporarily Unavailable</a></div>
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</div>
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<a name="BuildIssues"></a><div class="header1">Build Issues</div>
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<a name="HttpServletExceptions"></a><div class="header2">Ant BUILD FAILED : Multiple HttpSevlet Exceptions</div>
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<p>During an Ant build of Metacat, you will see many HttpServletRequest, HttpServletResponse and
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other errors. The compiler will complain that it cannot find a symbol, for example:</p>
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<div class="code">
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[javac] /home/daigle/workspace/metacat/build/src/edu/ucsb/nceas/metacat/MetaCatServlet.java:506: cannot find symbol<br>
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[javac] symbol : class HttpServletResponse<br>
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[javac] location: class edu.ucsb.nceas.metacat.MetaCatServlet<br>
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[javac] HttpServletResponse response) throws ServletException, IOException {<br>
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[javac] ^<br>
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</div>
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<p>This is usually caused by the build not being able to find native Tomcat libraries. edit your
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build.properties file in
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<a name="InstallationIssues"></a><div class="header1">Installation Issues</div>
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<a name="StartupIssues"></a><div class="header1">Startup Issues</div>
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<a name="Jdk14Logger"></a><div class="header2">Metacat doesn't start and Jdk14Logger exception</div>
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<p>The symptoms are that the metacat service will not show up at all, even though Tomcat
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is serving, and the following error shows up in the tomcat log (catalina.log):</p>
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<div class="code">org.apache.commons.logging.LogConfigurationException: User-specified log
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class 'org.apache.commons.logging.impl.Jdk14Logger' cannot be found or is
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not useable </div>
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<p>This message typically occurs in the tomcat log (catalina.log)
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when Tomcat has been installed on an Ubuntu/Debian system using apt-get install.
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And the application is started using:
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<div class="code">/etc/init.d/tomcat5.5 start</div>
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<p>The problem is that the standard startup scripts reference the
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common java service, jsvc. Metacat will not run under jsvc. The solutions are:
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<ul>
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<li>Download the <a href="http://knb.ecoinformatics.org/software/download.html">Metacat binary install package</a>
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and replace your /etc/init.d/tomcat5.5 startup script with the one provided in the
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package.</li>
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<li>Run Tomcat from the Tomcat binary directory: <tomcat_home>/bin/startup.sh and
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<tomcat_home>/bin/shutdown.sh</li>
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</ul>
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</p>
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<a name="ConfigurationIssues"></a><div class="header1">Configuration Issues</div>
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<a name="DbUpdateIssue"></a><div class="header2">Database Update Fails (not a connectivity issue)</div>
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<p>There are a number of reasons why the database update utility might fail during
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configuration. You will need to determine if the error returned indicates a connectivity issue
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or some issue with the database schema/data. If it is the latter, the first step in
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troubleshooting the issue is to run the db scripts manually and analyze the output.</p>
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<p>The configuration utility will report which scripts it tried to run. To
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run these scripts, refer to
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<a href="../user/run-db-scripts.html">how to run database scripts</a></p>
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<p>If the answer is not obvious, further troubleshooting may require a database
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administrator.</p>
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<a name="GeneralApplicationIssues"></a><div class="header1">General Application Issues</div>
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<a name="MapDisplayIssue"></a><div class="header2">Maps will not display</div>
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<p>There are two known reasons why maps might not display in a web browser.</p>
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<ul>
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<li>Sarfari Browser - the safari browser is not supported by the map libraries. You will
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need to switch to a different browser.</li>
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<li>Firefox Browser with the Firebug plugin - Firebug is a plugin that allows a developer
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to easily view and troubleshoot web page layouts. Unfortunately, this plugin can
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keep the maps from displaying. There is no plan by the third party map display
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developers to address this issue. You will need to disable Firebug in your
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browser.</li>
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</ul>
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<a name="UnitTestingIssues"></a><div class="header1">Unit Testing Issues</div>
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<a name="503ServiceTemporarilyUnavailable"></a><div class="header2">Mutliple Tests Fail : 503 Service Temporarily Unavailable</div>
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<p>When running "ant test", multiple tests fail. The output files have the error: </p>
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<div class="code">503 Service Temporarily Unavailable</div>
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<p>This typically means your Metacat server is not running.</p>
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<br>
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<a href="./testing-metacat.html">Back</a> | <a href="./index.html">Home</a> |
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<!--a href="add next file here when one exists" -->Next<!-- /a -->
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</body>
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</html>
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