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From "Teruhiko Kurosaka" <>
Subject cwd requirement to run Solr with Tomcat
Date Tue, 08 May 2007 18:53:14 GMT
I struggled to run Solr in Tomcat 5.5 (or 6.0 for that matter).
Then I found a step-by-step instruction at
and followed it as much as possible (wget URL didn't work, so
I had to download using browser).  Then Solr worked.

An important factor in the instruction is that Tomcat must 
be started from the directory under which the solr directory
(copied from the exmaple) exists. That is, Solr runs only
if Tomcat is invoked as:
$ ./apache-tomcat-5.5.20/bin/
It doesn't if Tomcat is invoked like this:
$ cd ./apache-tomcat-5.5.20/bin

Where is this restriction come from? This restriction
seems problematic because solr can't be run with
another webapp with a similar restriction in the
same app server. Has anybody explored to get rid of 
this restriction?

Another thing I don't understand is why Tomcat shows
NoClassDefFoundError when the solr directory cannot
be found in the current working directory. There is no
class files or jar files under the solr directory, so I don't
understand why putting the solr directory can remove 
this NoClassDefFoundError. (I wasted good hours trying
to figure out what classes are missing and why.)


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