That's what I did:
My solrconfig.xml has the following (i've hardcoded the version numbers for
now to get regexes out of the picture):
<lib path="${solr.install.dir}/dist/solr-dataimporthandler-5.4.0.jar" />
<lib path="${solr.solr.home}/lib/ZKFileDataSource.jar" />
No warning's whatsoever for not finding the jars. And the jars themselves
are in the right order (the second depends on the first).
If i move the data import handler jar to the ${solr.solr.home}/lib/ folder
then everything works. This implies that the solr-dataimporthandler jar
isn't being included properly but I've checked so many times that it's
correct. I can do a full absolute path without the use of solr.install.dir
and solr.solr.home and it still does not work.
The permissions and ownership on the jar files are identical for the 2
jars, if it can load one then it should be able to load the other.
On Thu, Jan 14, 2016 at 2:19 PM, sara hajili <hajili.s...@gmail.com> wrote:
> hi Callum.
> you can create a directory for your jar file any where,and u must set jar
> file location in <lib> tag in solrConfig.xml
> and be carefull that add your lib location at the end of the solr config
> default <lib> tag,
> because some times your jar need class that at first solr must be load own
> class after that load your jar to don't face a class not found exception.
>
>
> On Thu, Jan 14, 2016 at 4:36 AM, Callum Lamb <cl...@mintel.com> wrote:
>
> > I've got an extension jar that contains a class which extends from
> >
> > org.apache.solr.handler.dataimport.DataSource
> >
> > But it only works if it's within the solr/dist folder. However when
> stored
> > in the lib/ folder within Solr home. When it tries to load the class it
> > cannot find it's parent:
> >
> > Exception in thread "Thread-69" java.lang.NoClassDefFoundError:
> > org/apache/solr/handler/dataimport/DataSource
> > at
> >
> >
> org.apache.solr.handler.dataimport.DataImporter.getDataSourceInstance(DataImporter.java:374)
> > at
> >
> >
> org.apache.solr.handler.dataimport.ContextImpl.getDataSource(ContextImpl.java:102)
> > Caused by: java.lang.ClassNotFoundException:
> > org.apache.solr.handler.dataimport.DataSource
> >
> > The classes in the lib folder don't have access to the class within the
> > dist folder in their classpath when they are loaded.
> >
> > I'd like the keep my solr install separate from my
> configs/plugins/indexes
> > so I want to avoid putting it into the dist folder unless I absolutely
> have
> > to.
> >
> > Is this by design? Is there some kind of configuration somewhere I can
> > tweak to get this to work?
> >
> > Cheers,
> >
> > Callum L.
> >
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