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https://issues.apache.org/jira/browse/SOLR-337?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12539979
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Hoss Man commented on SOLR-337:
-------------------------------
Note: a specific error about not finding a "./conf" dir in the solr home dir
would be handy too.
> Solr home wrong or missing generates class not found exception
> --------------------------------------------------------------
>
> Key: SOLR-337
> URL: https://issues.apache.org/jira/browse/SOLR-337
> Project: Solr
> Issue Type: Improvement
> Environment: Tomcat 5.5.23
> Reporter: Paul Sundling
> Priority: Minor
>
> If a user types in a bad location for solr/home in JNDI or doesn't have one
> set, it causes a stack trace that has no obvious relationship with the cause
> (No Class Defined). It would be nice if the user got an error message
> instead about what the problem is. Given the number of non-Java users, this
> could be especially confusing to them.
> INFO: Solr home set to '/solr_bad_dir/'
> 18:59:38,427 ERROR
> org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/search-solr]
> Exception starting filter SolrRequestFilter
> java.lang.NoClassDefFoundError
> at
> org.apache.solr.servlet.SolrDispatchFilter.init(SolrDispatchFilter.java:74)
> 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.<init>(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.deployDescriptor(HostConfig.java:626)
> at
> org.apache.catalina.startup.HostConfig.deployDescriptors(HostConfig.java:553)
> at
> org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:488)
> at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1138)
> 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:585)
> at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:295)
> at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:433)
> 18:59:38,427 ERROR org.apache.catalina.core.StandardContext
> Error filterStart
> 18:59:38,427 ERROR org.apache.catalina.core.StandardContext
> Context [/search-solr] startup failed due to previous errors
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