Gianluca Varisco created SOLR-4011:
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Summary: SolrCore - correct behavior while having error loading
specific cores
Key: SOLR-4011
URL: https://issues.apache.org/jira/browse/SOLR-4011
Project: Solr
Issue Type: Improvement
Components: multicore
Environment: RHEL 6.1/6.3
Solr 3.6.1
Reporter: Gianluca Varisco
Priority: Minor
I've a multicore setup. Solr.xml contains the following:
<solr persistent="false">
<!--
adminPath: RequestHandler path to manage cores.
If 'null' (or absent), cores will not be manageable via request handler
-->
<cores adminPath="/admin/cores">
<core name="a" instanceDir="/shop/www/htdocs/a/shop.staging/solr/app"
dataDir="/shop/solr/staging/a/data/" configName="solrconfig.xml"
schemaName="schema.xml" />
<core name="b" instanceDir="/shop/www/htdocs/b/shop.staging/solr/app"
dataDir="/shop/solr/staging/b/data/" configName="solrconfig.xml"
schemaName="schema.xml" />
<core name="fashion" instanceDir="/shop/www/htdocs/c/shop.staging/solr/app"
dataDir="/shop/solr/staging/c/data/" configName="solrconfig.xml"
schemaName="schema.xml" />
</cores>
</solr>
When solr starts, it tries to LOAD all the cores. If one fails (no
solrconfig.xml or instanceDir found), the whole multicore configuration is
broken and Solr won't answer as well for the other two cores.
Is there a workaround for it? Reasons while it can happen is, for example, if
cores' creation in the XML are managed indipendently (e.g via Puppet) but
applications are not deployed in that instanceDir yet (therefore: no
solrconfig.xml/schema.xml). Is there a specific parameter to use?
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