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Jan Høydahl commented on SOLR-2357: ----------------------------------- I've seen this as well in this variant: {code} SEVERE: The web application [/solr] created a ThreadLocal with key of type [org.apache.solr.schema.DateField.ThreadLocalDateFormat] (value [org.apache.solr.schema.DateField$ThreadLocalDateFormat@2b495510]) and a value of type [org.apache.solr.schema.DateField.ISO8601CanonicalDateFormat] (value [org.apache.solr.schema.DateField$ISO8601CanonicalDateFormat@6b2ed43a]) but failed to remove it when the web application was stopped. Threads are going to be renewed over time to try and avoid a probable memory leak. 4-apr-2011 13:30:11 org.apache.catalina.loader.WebappClassLoader checkThreadLocalMapForLeaks {code} Seems to only happen with Dates? > Thread Local memory leaks on restart > ------------------------------------ > > Key: SOLR-2357 > URL: https://issues.apache.org/jira/browse/SOLR-2357 > Project: Solr > Issue Type: Bug > Components: contrib - Solr Cell (Tika extraction), search > Affects Versions: 1.4.1 > Environment: Windows Server 2008, Apache Tomcat 7.0.8, Java 1.6.23 > Reporter: Gus Heck > Labels: memory_leak, threadlocal > > Restarting solr (via a changed to a watched resource or via manager app for > example) after submitting documents with Solr-Cell, gives the following > message (many many times), and causes Tomcat to shutdown completely. > SEVERE: The web application [/solr] created a ThreadLocal with key of type > [org. > apache.solr.common.util.DateUtil.ThreadLocalDateFormat] (value > [org.apache.solr. > common.util.DateUtil$ThreadLocalDateFormat@dc30dfa]) and a value of type > [java.t > ext.SimpleDateFormat] (value [java.text.SimpleDateFormat@5af7aed5]) but > failed t > o remove it when the web application was stopped. Threads are going to be > renewe > d over time to try and avoid a probable memory leak. > Feb 10, 2011 7:17:53 AM org.apache.catalina.loader.WebappClassLoader > checkThread > LocalMapForLeaks -- This message is automatically generated by JIRA. For more information on JIRA, see: http://www.atlassian.com/software/jira --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@lucene.apache.org For additional commands, e-mail: dev-h...@lucene.apache.org