[jira] [Commented] (SOLR-4852) If sharedLib is set to lib, classloader fails to find classes in lib

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[jira] [Commented] (SOLR-4852) If sharedLib is set to lib, classloader fails to find classes in lib

JIRA jira@apache.org

    [ https://issues.apache.org/jira/browse/SOLR-4852?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13664861#comment-13664861 ]

Shawn Heisey commented on SOLR-4852:
------------------------------------

If sharedLib is "foo" (which doesn't exist) then this is the log, and everything works.  The jars are only loaded once.

{noformat}
INFO  - 2013-05-22 22:35:56.404; org.apache.solr.core.SolrResourceLoader; using system property solr.solr.home: /index/solr4
INFO  - 2013-05-22 22:35:56.413; org.apache.solr.core.CoreContainer$Initializer; looking for solr config file: /index/solr4/solr.xml
INFO  - 2013-05-22 22:35:56.419; org.apache.solr.core.CoreContainer; New CoreContainer 1473971679
INFO  - 2013-05-22 22:35:56.419; org.apache.solr.core.CoreContainer; Loading CoreContainer using Solr Home: '/index/solr4/'
INFO  - 2013-05-22 22:35:56.419; org.apache.solr.core.SolrResourceLoader; new SolrResourceLoader for directory: '/index/solr4/'
INFO  - 2013-05-22 22:35:56.421; org.apache.solr.core.SolrResourceLoader; Adding 'file:/index/solr4/lib/icu4j-49.1.jar' to classloader
INFO  - 2013-05-22 22:35:56.421; org.apache.solr.core.SolrResourceLoader; Adding 'file:/index/solr4/lib/mysql-connector-java-5.1.22-bin.jar' to classloader
INFO  - 2013-05-22 22:35:56.424; org.apache.solr.core.SolrResourceLoader; Adding 'file:/index/solr4/lib/solr-dataimporthandler-4.4-SNAPSHOT.jar' to classloader
INFO  - 2013-05-22 22:35:56.424; org.apache.solr.core.SolrResourceLoader; Adding 'file:/index/solr4/lib/lucene-analyzers-icu-4.4-SNAPSHOT.jar' to classloader
INFO  - 2013-05-22 22:35:56.718; org.apache.solr.core.CoreContainer; loading shared library: /index/solr4/foo
WARN  - 2013-05-22 22:35:56.718; org.apache.solr.core.SolrResourceLoader; Can't find (or read) directory to add to classloader: foo (resolved as: /index/solr4/foo).
{noformat}

               

> If sharedLib is set to lib, classloader fails to find classes in lib
> --------------------------------------------------------------------
>
>                 Key: SOLR-4852
>                 URL: https://issues.apache.org/jira/browse/SOLR-4852
>             Project: Solr
>          Issue Type: Bug
>    Affects Versions: 4.4
>         Environment: Linux bigindy5 2.6.32-358.6.1.el6.centos.plus.x86_64 #1 SMP Wed Apr 24 03:21:04 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
> java version "1.7.0_21"
> Java(TM) SE Runtime Environment (build 1.7.0_21-b11)
> Java HotSpot(TM) 64-Bit Server VM (build 23.21-b01, mixed mode)
>            Reporter: Shawn Heisey
>             Fix For: 5.0, 4.4
>
>
> I have some jars in the lib directory under solr.solr.home - DIH, ICU, and MySQL.  If I set sharedLib in solr.xml to "lib" then the ICUTokenizer class is not found, even though the jar is loaded (twice) during Solr startup.  If I set sharedLib to another location that doesn't exist, the jars are only loaded once and there is no problem.
> I'm using the old-style solr.xml on branch_4x revision 1485566.

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