Hi Erik,
The latest release from the apache site for Solr 3.5 still has this issue.
Where can I get a drop that has the fix for this issue?
Thanks,
Dipti
On 12/9/11 1:22 PM, "Erik Hatcher" <erik.hatc...@gmail.com> wrote:
>My bad.
>
>To clarify the issue here... the problem manifests itself only on Solr
>3.5 specifically when the example configuration is copied somewhere else
>(losing the relative path nature to the <lib> references). Generally
>this happens when folks want to deploy into Tomcat. In Solr 3.5, the
>VelocityResponseWriter was moved out of core and back to a contrib
>module. With this move, it became explicitly listed in the <lib>
>references by relative paths which are incorrect (not just for the
>VelocityResponseWriter but also for Solr Cell, Clustering, Data Import
>Handler, and the language identifier). All those other components are
>lazy loaded or not wired in by default so they don't cause a startup
>issue (but would not work!!!). The VelocityResponseWriter, however, is
>explicitly registered in the example configuration in solrconfig.xml as:
>
> <queryResponseWriter name="velocity"
>class="solr.VelocityResponseWriter"
>enable="${solr.velocity.enabled:true}"/>
>
>To fix the startup issue, if you don't want or care about the /browse
>interface or any other custom use of the VelocityResponseWriter you can
>either remove that line from solrconfig.xml (and restart Solr), or set
>the system property solr.velocity.enabled to false (something like doing
><export JAVA_OPTS="$JAVA_OPTS -Dsolr.velocity.enabled=false"> before
>launching Tomcat) or set that default value to false in solrconfig.xml.
>Note that if you do hit /browse after you've disabled the
>VelocityResponseWriter, you will get the standard Solr XML response
>returned as that is how Solr handles an unknown response writer
>parameter. If you do want the VelocityResponseWriter to work, you'll
>need to correct the <lib> references in solrconfig.xml to point to the
>appropriate locations.
>
>Apologies for this issue. I juggle Solr 3.x's and Solr trunk and various
>snapshots of trunk and I typically don't use Tomcat.
>
>I've reopened https://issues.apache.org/jira/browse/SOLR-2718 to get it
>backported to 3.x in time for a Solr 3.6 release. I'll tackle this in a
>couple of weeks.
>
>I'm also going to start a new solr-user thread about the
>VelocityResponseWriter and solicit folks opinions regarding its future.
>
> Erik
>
>
>
>On Dec 8, 2011, at 06:03 , Kissue Kissue wrote:
>
>> I just migrated to Solr 3.5 and whenever i start it up i get the error
>> below. Any ideas what might be wrong? Previously i didn't have to do
>> anything special to get it to work. HAs anything changed in solr 3.5?
>>
>>
>> 08-Dec-2011 10:45:03 org.apache.solr.common.SolrException log
>> SEVERE: org.apache.solr.common.SolrException: Error loading class
>> 'solr.VelocityResponseWriter'
>> at
>>
>>org.apache.solr.core.SolrResourceLoader.findClass(SolrResourceLoader.java
>>:389)
>> at
>>org.apache.solr.core.SolrCore.createInstance(SolrCore.java:425)
>> at
>> org.apache.solr.core.SolrCore.createInitInstance(SolrCore.java:447)
>> at org.apache.solr.core.SolrCore.initPlugins(SolrCore.java:1556)
>> at org.apache.solr.core.SolrCore.initPlugins(SolrCore.java:1550)
>> at org.apache.solr.core.SolrCore.initPlugins(SolrCore.java:1583)
>> at org.apache.solr.core.SolrCore.initWriters(SolrCore.java:1466)
>> at org.apache.solr.core.SolrCore.<init>(SolrCore.java:556)
>> at
>>org.apache.solr.core.CoreContainer.create(CoreContainer.java:463)
>> at
>>org.apache.solr.core.CoreContainer.load(CoreContainer.java:316)
>> at
>>org.apache.solr.core.CoreContainer.load(CoreContainer.java:207)
>> at
>>
>>org.apache.solr.core.CoreContainer$Initializer.initialize(CoreContainer.j
>>ava:130)
>> at
>>
>>org.apache.solr.servlet.SolrDispatchFilter.init(SolrDispatchFilter.java:9
>>4)
>> at
>>
>>org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFil
>>terConfig.java:295)
>> at
>>
>>org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(Application
>>FilterConfig.java:422)
>> at
>>
>>org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilter
>>Config.java:115)
>> at
>>
>>org.apache.catalina.core.StandardContext.filterStart(StandardContext.java
>>:4001)
>> at
>>
>>org.apache.catalina.core.StandardContext.start(StandardContext.java:4651)
>> at
>>
>>org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.jav
>>a:791)
>> at
>> org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771)
>> at
>> org.apache.catalina.core.StandardHost.addChild(StandardHost.java:546)
>> at
>>
>>org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:6
>>37)
>> at
>>
>>org.apache.catalina.startup.HostConfig.deployDescriptors(HostConfig.java:
>>563)
>> at
>> org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:498)
>> at
>> org.apache.catalina.startup.HostConfig.start(HostConfig.java:1277)
>> at
>>
>>org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:321
>>)
>> at
>>
>>org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSup
>>port.java:119)
>> at
>> org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053)
>> at
>> org.apache.catalina.core.StandardHost.start(StandardHost.java:785)
>> at
>> org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
>> at
>> org.apache.catalina.core.StandardEngine.start(StandardEngine.java:445)
>> at
>> org.apache.catalina.core.StandardService.start(StandardService.java:519)
>> at
>> org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
>> at org.apache.catalina.startup.Catalina.start(Catalina.java:581)
>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>> at
>>
>>sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java
>>:39)
>> at
>>
>>sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorI
>>mpl.java:25)
>> at java.lang.reflect.Method.invoke(Method.java:597)
>> at
>>org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)
>> at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)
>> Caused by: java.lang.ClassNotFoundException: solr.VelocityResponseWriter
>> at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
>> at java.security.AccessController.doPrivileged(Native Method)
>> at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
>> at java.lang.ClassLoader.loadClass(ClassLoader.java:303)
>> at
>>java.net.FactoryURLClassLoader.loadClass(URLClassLoader.java:592)
>> at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
>> at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:316)
>> at java.lang.Class.forName0(Native Method)
>> at java.lang.Class.forName(Class.java:247)
>> at
>>
>>org.apache.solr.core.SolrResourceLoader.findClass(SolrResourceLoader.java
>>:373)
>> ... 39 more
>
>
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