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POInstalling liferay with Solr : admin console unreachable + exceptions on launching
 

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  1. POInstalling liferay with Solr : admin console unreachable + exceptions on launching
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    <p>I try to install solr 1.4.1 with Liferay 5.5-5.2.3 running with Tomcat; my system is RHEL5.</p> <p>Below I explain the errors I meet; then I give the details of my solr install.</p> <p>When I start Tomcat, I have the following exceptions : </p> <pre><code>INFO: Solr home set to '/opt/apache-solr-1.4.1/example/solr/' Aug 4, 2010 10:44:26 AM org.apache.solr.common.SolrException log SEVERE: javax.xml.transform.TransformerException: Unknown error in XPath. at org.apache.xpath.XPath.execute(XPath.java:363) at org.apache.xpath.jaxp.XPathImpl.eval(XPathImpl.java:213) at org.apache.xpath.jaxp.XPathImpl.evaluate(XPathImpl.java:275) at org.apache.solr.core.CoreContainer.readProperties(CoreContainer.java:303) at org.apache.solr.core.CoreContainer.load(CoreContainer.java:242) at org.apache.solr.core.CoreContainer$Initializer.initialize(CoreContainer.java:117) at org.apache.solr.servlet.SolrDispatchFilter.init(SolrDispatchFilter.java:83) at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:221) at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:302) at org.apache.catalina.core.ApplicationFilterConfig.&lt;init&gt;(ApplicationFilterConfig.java:78) at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:3635) at org.apache.catalina.core.StandardContext.start(StandardContext.java:4222) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:760) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:740) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:544) at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:927) at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:890) at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:492) at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1150) at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311) at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:120) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1022) at org.apache.catalina.core.StandardHost.start(StandardHost.java:736) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1014) at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443) at org.apache.catalina.core.StandardService.start(StandardService.java:448) at org.apache.catalina.core.StandardServer.start(StandardServer.java:700) at org.apache.catalina.startup.Catalina.start(Catalina.java:552) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:592) at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:295) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:433) Caused by: java.lang.NullPointerException at org.apache.xpath.axes.ChildTestIterator.setRoot(ChildTestIterator.java:125) at org.apache.xpath.axes.NodeSequence.setRoot(NodeSequence.java:213) at org.apache.xpath.axes.LocPathIterator.execute(LocPathIterator.java:210) at org.apache.xpath.XPath.execute(XPath.java:335) ... 33 more --------------- linked to ------------------ javax.xml.xpath.XPathExpressionException: javax.xml.transform.TransformerException: Unknown error in XPath. at org.apache.xpath.jaxp.XPathImpl.evaluate(XPathImpl.java:289) at org.apache.solr.core.CoreContainer.readProperties(CoreContainer.java:303) at org.apache.solr.core.CoreContainer.load(CoreContainer.java:242) at org.apache.solr.core.CoreContainer$Initializer.initialize(CoreContainer.java:117) at org.apache.solr.servlet.SolrDispatchFilter.init(SolrDispatchFilter.java:83) at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:221) at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:302) at org.apache.catalina.core.ApplicationFilterConfig.&lt;init&gt;(ApplicationFilterConfig.java:78) at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:3635) at org.apache.catalina.core.StandardContext.start(StandardContext.java:4222) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:760) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:740) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:544) at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:927) at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:890) at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:492) at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1150) at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311) at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:120) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1022) at org.apache.catalina.core.StandardHost.start(StandardHost.java:736) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1014) at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443) at org.apache.catalina.core.StandardService.start(StandardService.java:448) at org.apache.catalina.core.StandardServer.start(StandardServer.java:700) at org.apache.catalina.startup.Catalina.start(Catalina.java:552) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:592) at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:295) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:433) Caused by: javax.xml.transform.TransformerException: Unknown error in XPath. at org.apache.xpath.XPath.execute(XPath.java:363) at org.apache.xpath.jaxp.XPathImpl.eval(XPathImpl.java:213) at org.apache.xpath.jaxp.XPathImpl.evaluate(XPathImpl.java:275) ... 31 more Caused by: java.lang.NullPointerException at org.apache.xpath.axes.ChildTestIterator.setRoot(ChildTestIterator.java:125) at org.apache.xpath.axes.NodeSequence.setRoot(NodeSequence.java:213) at org.apache.xpath.axes.LocPathIterator.execute(LocPathIterator.java:210) at org.apache.xpath.XPath.execute(XPath.java:335) ... 33 more Aug 4, 2010 10:44:26 AM org.apache.solr.servlet.SolrDispatchFilter init INFO: user.dir=/opt/apache-solr-1.4.1 </code></pre> <p>Once Tomcat has started, I try to access solr in a navigator : <a href="http://MyIpAddress/solr/" rel="nofollow noreferrer">http://MyIpAddress/solr/</a> .</p> <p>I have the "Welcome to Solr!" page, which is OK. But when I click on the "Solr Admin" link, I getthe error message "HTTP Status 404 - missing core name in path".</p> <p>I add that I get the same behaviour if I launch solr separately with start.jar (I get the same exception, and then the same error when I try to access the console).</p> <p>Now, here are the steps I followed in my install : </p> <ul> <li>I downloaded solr 1.4.1,, and unzipped the file under /opt.</li> <li>I copied the file /opt/apache-solr-1.4.1/dist/apache-solr-1.4.1.war under /opt/apache-solr-1.4.1/example/solr</li> <li>I created a file called solr.xml, with the content below, and I put it in two folders : conf/Catalina/localhost from Tomcat, and in /opt/apache-solr-1.4.1/example/solr : </li> </ul> <blockquote> <p>Context docBase="/opt/apache-solr-1.4.1/example/solr/apache-solr-1.4.1.war" debug="0" crossContext="true"</p> <p>Environment name="solr/home" type="java.lang.String" value="/opt/apache-solr-1.4.1/example/solr" override="true"</p> </blockquote> <ul> <li>In the file bin/setenv.sh from Tomcat, I added the line : </li> </ul> <p>JAVA_OPTS=="$JAVA_OPTS -Dsolr.solr.home=SOLR_HOME/example/solr"</p> <ul> <li>In the file /opt/apache-solr-1.4.1/example/solr/conf/solrconfig.xml, I explicitly set the index directory in the dataDir tag : </li> </ul> <blockquote> <p>${solr.data.dir:/opt/apache-solr-1.4.1/example/solr/data}</p> </blockquote> <p>Then I launched Tomcat.</p> <p>Thank you for any advice on what is wrong with my configuration.</p> <p>Sylvain</p>
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