On Tue, Jan 4, 2011 at 9:23 AM, Markus Jelsma <markus.jel...@openindex.io> wrote: > Hi, > > Anyone seen this before when stopping of restarting Solr 1.4.1 running as > slave under Tomcat 6? > > SEVERE: The web application [/solr] appears to have started a thread named > [MultiThreadedHttpConnectionManager cleanup] but has failed to stop it. This > is very likely to create a memory leak. > > It can also trigger multiple related exceptions errors: > > > Jan 4, 2011 3:18:13 PM org.apache.catalina.loader.WebappClassLoader > clearReferencesThreads > SEVERE: The web application [/solr] appears to have started a thread named > [pool-1-thread-1] but has failed to stop it. This is very likely to create a > memory leak.
fyi, you can also see this by running its unit test: [junit] Testsuite: org.apache.solr.handler.TestReplicationHandler [junit] Tests run: 7, Failures: 0, Errors: 0, Time elapsed: 25.997 sec [junit] ------------- Standard Error ----------------- [junit] WARNING: test class left thread running: Thread[MultiThreadedHttpConnectionManager cleanup,5,main] [junit] WARNING: test class left thread running: Thread[pool-44-thread-1,5,main]