Yes, this is a nasty error. You have not set up logging libraries properly:
https://cwiki.apache.org/confluence/display/solr/Configuring+Logging
-----Original message-----
> From:phi...@free.fr <phi...@free.fr>
> Sent: Wednesday 17th September 2014 11:51
> To: solr-user@lucene.apache.org
> Subject: Problem deploying solr-4.10.0.war in Tomcat
>
>
>
> Hello,
>
> I've dropped solr-4.10.0.war in Tomcat 7's webapp directory.
>
> When I start the Java web server, the following message appears in
> catalina.out:
>
> -------------------
>
> INFO: Starting Servlet Engine: Apache Tomcat/7.0.55
> Sep 17, 2014 11:35:59 AM org.apache.catalina.startup.HostConfig deployWAR
> INFO: Deploying web application archive
> /archives/apache-tomcat-7.0.55_solr_8983/webapps/solr-4.10.0.war
> Sep 17, 2014 11:35:59 AM org.apache.catalina.core.StandardContext
> startInternal
> SEVERE: Error filterStart
> Sep 17, 2014 11:35:59 AM org.apache.catalina.core.StandardContext
> startInternal
> SEVERE: Context [/solr-4.10.0] startup failed due to previous errors
>
> ------------------
>
> Any help would be much appreciated.
>
> Cheers,
>
> Philippe
>
>
>
>
