SolrResourceLoader logging about "Solr home set to" is very missleading/broken
in multicore
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Key: SOLR-3264
URL: https://issues.apache.org/jira/browse/SOLR-3264
Project: Solr
Issue Type: Bug
Reporter: Hoss Man
Assignee: Hoss Man
the SolrResourceLoader constructor has this bit of logging left over from the
days before multicore...
{noformat}
log.info("Solr home set to '" + this.instanceDir + "'");
{noformat}
but this is confusing and missleading since there are N+1 SOlrResourceLoaders
in a given solr instance (1 for the CoreContainer, and N for the N cores) and
only one of them is refering to the *true* "Solr Home" dir, the others are
refering to the *instanceDir* of the respective cores.
For example, using the 3.5 example and running {{java
-Dsolr.solr.home=multicore -jar start.jar}} you'll see...
{noformat}
Mar 21, 2012 7:02:46 PM org.apache.solr.core.SolrResourceLoader locateSolrHome
INFO: JNDI not configured for solr (NoInitialContextEx)
Mar 21, 2012 7:02:46 PM org.apache.solr.core.SolrResourceLoader locateSolrHome
INFO: using system property solr.solr.home: multicore
Mar 21, 2012 7:02:46 PM org.apache.solr.core.SolrResourceLoader <init>
INFO: Solr home set to 'multicore/'
Mar 21, 2012 7:02:46 PM org.apache.solr.servlet.SolrDispatchFilter init
INFO: SolrDispatchFilter.init()
Mar 21, 2012 7:02:46 PM org.apache.solr.core.SolrResourceLoader locateSolrHome
INFO: JNDI not configured for solr (NoInitialContextEx)
Mar 21, 2012 7:02:46 PM org.apache.solr.core.SolrResourceLoader locateSolrHome
INFO: using system property solr.solr.home: multicore
Mar 21, 2012 7:02:46 PM org.apache.solr.core.CoreContainer$Initializer
initialize
INFO: looking for solr.xml:
/home/hossman/lucene/lucene-3.5.0_tag/solr/example/multicore/solr.xml
Mar 21, 2012 7:02:46 PM org.apache.solr.core.SolrResourceLoader locateSolrHome
INFO: JNDI not configured for solr (NoInitialContextEx)
Mar 21, 2012 7:02:46 PM org.apache.solr.core.SolrResourceLoader locateSolrHome
INFO: using system property solr.solr.home: multicore
Mar 21, 2012 7:02:46 PM org.apache.solr.core.CoreContainer <init>
INFO: New CoreContainer: solrHome=multicore/ instance=108681753
Mar 21, 2012 7:02:46 PM org.apache.solr.core.SolrResourceLoader <init>
INFO: Solr home set to 'multicore/'
Mar 21, 2012 7:02:46 PM org.apache.solr.core.SolrResourceLoader <init>
INFO: Solr home set to 'multicore/core0/'
...lots of logs about initing core0...
INFO: registering core: core0
Mar 21, 2012 7:02:47 PM org.apache.solr.core.SolrCore registerSearcher
INFO: [core0] Registered new searcher Searcher@5dde45e2 main
Mar 21, 2012 7:02:47 PM org.apache.solr.core.SolrResourceLoader <init>
INFO: Solr home set to 'multicore/core1/'
Mar 21, 2012 7:02:47 PM org.apache.solr.core.SolrConfig <init>
...lots of logs about initing core1...
Mar 21, 2012 7:02:47 PM org.apache.solr.core.CoreContainer register
INFO: registering core: core1
...
{noformat}
we should revamp/add some of the log messages from CoreContainer and
SolrResourceLoader to make it more clear what the one true solr home is, and
when SolrresourceLoader is being used for an instanceDir of a single core.
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