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https://issues.apache.org/jira/browse/SOLR-5055?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14273157#comment-14273157
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Erik Hatcher commented on SOLR-5055:
------------------------------------
This surely can't still be a problem? Solr is regularly deployed with Tomcat.
I know it's been a while since this was reported, but if this problem still
exists (on the latest release), please post your solrconfig.xml file so we can
see the <lib> elements. Also, anything else unusual/different about your
Tomcat install or setup?
> Using solr.SearchHandler with Apache Tomcat
> -------------------------------------------
>
> Key: SOLR-5055
> URL: https://issues.apache.org/jira/browse/SOLR-5055
> Project: Solr
> Issue Type: Bug
> Components: search
> Affects Versions: 4.3.1
> Environment: RedHat Linux 6.4 x64_86, Ubuntu 10.04.2 LTS i686
> Reporter: Christian Lutz
> Priority: Minor
>
> I'm trying to deploy Solr with Tomcat (Version 7.0.27 and 6.0.37) as
> described in http://wiki.apache.org/solr/SolrTomcat and
> https://cwiki.apache.org/confluence/display/solr/Running+Solr+on+Tomcat
> I deployed only one instance (mentioned in Wiki Documentation as "Single Solr
> Instance"). In solrconfig.xml the library configuration is changed to absolut
> paths for the jar-Files.
> When i try to use the /browse Request Handler it states the following error:
> ERROR - 2013-07-22 13:04:20.279; org.apache.solr.common.SolrException;
> null:java.lang.RuntimeException: java.lang.NoClassDefFoundError:
> org/apache/commons/lang/StringUtils
> at
> org.apache.solr.servlet.SolrDispatchFilter.sendError(SolrDispatchFilter.java:670)
> at
> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:380)
> at
> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:155)
> at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
> at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
> at
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:225)
> at
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169)
> at
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
> at
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
> at
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
> at
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
> at org.apache.coyote.ajp.AjpProcessor.process(AjpProcessor.java:200)
> at
> org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:565)
> at
> org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:307)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
> at java.lang.Thread.run(Thread.java:722)
> Caused by: java.lang.NoClassDefFoundError: org/apache/commons/lang/StringUtils
> at
> org.apache.velocity.runtime.resource.ResourceManagerImpl.initialize(ResourceManagerImpl.java:161)
> at
> org.apache.velocity.runtime.RuntimeInstance.initializeResourceManager(RuntimeInstance.java:730)
> at
> org.apache.velocity.runtime.RuntimeInstance.init(RuntimeInstance.java:263)
> at org.apache.velocity.app.VelocityEngine.init(VelocityEngine.java:93)
> at
> org.apache.solr.response.VelocityResponseWriter.getEngine(VelocityResponseWriter.java:147)
> at
> org.apache.solr.response.VelocityResponseWriter.write(VelocityResponseWriter.java:42)
> at
> org.apache.solr.core.SolrCore$LazyQueryResponseWriterWrapper.write(SolrCore.java:2278)
> at
> org.apache.solr.servlet.SolrDispatchFilter.writeResponse(SolrDispatchFilter.java:644)
> at
> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:372)
> ... 15 more
> Caused by: java.lang.ClassNotFoundException:
> org.apache.commons.lang.StringUtils
> at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
> at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
> at java.security.AccessController.doPrivileged(Native Method)
> at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:423)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:356)
> ... 24 more
> ERROR - 2013-07-22 13:04:20.282; org.apache.solr.common.SolrException;
> null:java.lang.NoClassDefFoundError: org/apache/commons/lang/StringUtils
> at
> org.apache.velocity.runtime.resource.ResourceManagerImpl.initialize(ResourceManagerImpl.java:161)
> at
> org.apache.velocity.runtime.RuntimeInstance.initializeResourceManager(RuntimeInstance.java:730)
> at
> org.apache.velocity.runtime.RuntimeInstance.init(RuntimeInstance.java:263)
> at org.apache.velocity.app.VelocityEngine.init(VelocityEngine.java:93)
> at
> org.apache.solr.response.VelocityResponseWriter.getEngine(VelocityResponseWriter.java:147)
> at
> org.apache.solr.response.VelocityResponseWriter.write(VelocityResponseWriter.java:42)
> at
> org.apache.solr.core.SolrCore$LazyQueryResponseWriterWrapper.write(SolrCore.java:2278)
> at
> org.apache.solr.servlet.SolrDispatchFilter.writeResponse(SolrDispatchFilter.java:644)
> at
> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:372)
> at
> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:155)
> at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
> at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
> at
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:225)
> at
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169)
> at
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
> at
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
> at
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
> at
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
> at org.apache.coyote.ajp.AjpProcessor.process(AjpProcessor.java:200)
> at
> org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:565)
> at
> org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:307)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
> at java.lang.Thread.run(Thread.java:722)
> Caused by: java.lang.ClassNotFoundException:
> org.apache.commons.lang.StringUtils
> at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
> at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
> at java.security.AccessController.doPrivileged(Native Method)
> at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:423)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:356)
> ... 24 more
> I resolved this error by copying the commons-lang-2.6.jar from the deployed
> instance (tomcat/webapps/solr/WEB-INF/lib/commons-lang-2.6.jar) to the
> Tomcat-Library-Directory (tomcat/lib)
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