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https://issues.apache.org/jira/browse/SOLR-593?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12615102#action_12615102
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Yonik Seeley commented on SOLR-593:
-----------------------------------
bq. Can we introduce getColdSearcher() method so that SolrCoreAware components
can call it to get searcher
That could work.
We could also try to do something more generic like getNewestSearcher() that
could be called in any context. That could also be used internally to use the
new lucene reopen() for better efficiency. But the implementation would be a
little tricky.
> Solr hangs at QueryElevationComponent.inform() if elevate.xml is in data
> directory
> ----------------------------------------------------------------------------------
>
> Key: SOLR-593
> URL: https://issues.apache.org/jira/browse/SOLR-593
> Project: Solr
> Issue Type: Bug
> Components: search
> Affects Versions: 1.3
> Reporter: Koji Sekiguchi
> Fix For: 1.3
>
>
> The thread dump is:
> "main" prio=6 tid=0x003f81d8 nid=0x10e4 in Object.wait()
> [0x0006f000..0x0006fc20]
> at java.lang.Object.wait(Native Method)
> - waiting on <0x23dd0188> (a java.lang.Object)
> at java.lang.Object.wait(Object.java:474)
> at org.apache.solr.core.SolrCore.getSearcher(SolrCore.java:685)
> - locked <0x23dd0188> (a java.lang.Object)
> at org.apache.solr.core.SolrCore.getSearcher(SolrCore.java:624)
> at
> org.apache.solr.handler.component.QueryElevationComponent.inform(QueryElevationComponent.java:185)
> - locked <0x23e51ee0> (a java.util.WeakHashMap)
> at
> org.apache.solr.core.SolrResourceLoader.inform(SolrResourceLoader.java:264)
> at org.apache.solr.core.SolrCore.<init>(SolrCore.java:396)
> - locked <0x27b44b60> (a java.lang.Class)
> at
> org.apache.solr.servlet.SolrDispatchFilter.init(SolrDispatchFilter.java:90)
> at
> org.mortbay.jetty.servlet.FilterHolder.doStart(FilterHolder.java:99)
> at
> org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:40)
> at
> org.mortbay.jetty.servlet.ServletHandler.initialize(ServletHandler.java:594)
> at org.mortbay.jetty.servlet.Context.startContext(Context.java:139)
> at
> org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1218)
> at
> org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:500)
> at
> org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:448)
> at
> org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:40)
> at
> org.mortbay.jetty.handler.HandlerCollection.doStart(HandlerCollection.java:147)
> at
> org.mortbay.jetty.handler.ContextHandlerCollection.doStart(ContextHandlerCollection.java:161)
> at
> org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:40)
> at
> org.mortbay.jetty.handler.HandlerCollection.doStart(HandlerCollection.java:147)
> at
> org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:40)
> at
> org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:117)
> at org.mortbay.jetty.Server.doStart(Server.java:210)
> at
> org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:40)
> at org.mortbay.xml.XmlConfiguration.main(XmlConfiguration.java:929)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:585)
> at org.mortbay.start.Main.invokeMain(Main.java:183)
> at org.mortbay.start.Main.start(Main.java:497)
> at org.mortbay.start.Main.main(Main.java:115)
> The cause is that accessing reader during SolrCoreAware.inform(). Shalin
> pointed out same thing at:
> http://www.nabble.com/Accessing-IndexReader-during-core-initialization-hangs-init-td17259235.html#a17259235
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