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From "Hoss Man (JIRA)" <>
Subject [jira] [Commented] (SOLR-2588) Make Velocity an optional dependency in SolrCore
Date Mon, 22 Aug 2011 18:49:29 GMT


Hoss Man commented on SOLR-2588:

bq. why are B and C mutually exclusive?

i didn't mean to suggest that they were, we could certainly do both.

bq. Obviously these won't all share the same exact config files but the example is meant to
be modified, so its realistic right?

you lost me there ... they *can* use the exact same configs -- that's kind of the point: testing
the exact example configs as we ship them (with <lib/> declarations that point at dirs
which may or may not contain jars depending on what contribs are built; and request handler
/ response writer declarations configured that use lazyloading to dynamic load things as needed.

i mean -- yes we could have tests that copy the example configs and modify them and test that
those modifications still work, but that's not really the point.  the point is "core features
A,B,C should work with these example configs as is; and contrib feature X should also work
with the same example configs (unmodified) as long as contrib-X is build and in dir-X; and
contrib feature Y should also work with the same example configs (unmodified) as long as contrib-Y
is build and in dir-Y; etc..."

> Make Velocity an optional dependency in SolrCore
> ------------------------------------------------
>                 Key: SOLR-2588
>                 URL:
>             Project: Solr
>          Issue Type: Wish
>    Affects Versions: 3.2
>            Reporter: Gunnar Wagenknecht
>            Assignee: Erik Hatcher
>            Priority: Minor
>             Fix For: 3.4, 4.0
>         Attachments: SOLR-2588.patch, SOLR-2588.patch, SOLR-2588.patch, SOLR-2588.patch,
SOLR-2588.patch, SOLR-2588_Don_t_fail_if_velocity_libs_not_present_.patch
> In 1.4. it was fine to run Solr without Velocity on the classpath. However, in 3.2. SolrCore
won't load because of a hard reference to the Velocity response writer in a static initializer.
> {noformat}
> ... ERROR org.apache.solr.core.CoreContainer - java.lang.NoClassDefFoundError: org/apache/velocity/context/Context
> 	at org.apache.solr.core.SolrCore.<clinit>(
> 	at org.apache.solr.core.CoreContainer.create(
> 	at org.apache.solr.core.CoreContainer.load(
> 	at org.apache.solr.core.CoreContainer.load(
> {noformat}

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