On a quick look, it looks like this was caused (or at least triggered by) https://issues.apache.org/jira/browse/SOLR-1427
Registering the bean in the SolrCore constructor causes it to immediately turn around and ask for the stats which asks for a searcher, which blocks. -Yonik http://www.lucidimagination.com On Wed, Sep 16, 2009 at 9:34 PM, Dadasheva, Olga <olga_dadash...@harvard.edu> wrote: > Hi, > > I am testing EmbeddedSolrServer vs StreamingUpdateSolrServer for my > crawlers using more or less recent Solr code and everything was fine > till today when I took the latest trunk code. > When I start my crawler I see a number of INFO outputs > 2009-09-16 21:08:29,399 INFO Adding > component:org.apache.solr.handler.component.highlightcompon...@36ae83 > (SearchHandler.java:132) - [main] > 2009-09-16 21:08:29,400 INFO Adding > component:org.apache.solr.handler.component.statscompon...@1fb24d3 > (SearchHandler.java:132) - [main] > 2009-09-16 21:08:29,401 INFO Adding > component:org.apache.solr.handler.component.termvectorcompon...@14ba9a2 > (SearchHandler.java:132) - [main] > 2009-09-16 21:08:29,402 INFO Adding debug > component:org.apache.solr.handler.component.debugcompon...@12ea1dd > (SearchHandler.java:137) - [main] > > and then the log/program stops. > > The thread dump reveals the following: > > "main" prio=3 tid=0x00030000 nid=0x2 in Object.wait() > [0xfe67c000..0xfe67fd80] > java.lang.Thread.State: WAITING (on object monitor) > at java.lang.Object.wait(Native Method) > - waiting on <0xeaaf6b10> (a java.lang.Object) > at java.lang.Object.wait(Object.java:485) > at org.apache.solr.core.SolrCore.getSearcher(SolrCore.java:991) > - locked <0xeaaf6b10> (a java.lang.Object) > at org.apache.solr.core.SolrCore.getSearcher(SolrCore.java:904) > at > org.apache.solr.handler.ReplicationHandler.getIndexVersion(ReplicationHa > ndler.java:472) > at > org.apache.solr.handler.ReplicationHandler.getStatistics(ReplicationHand > ler.java:490) > at > org.apache.solr.core.JmxMonitoredMap$SolrDynamicMBean.getMBeanInfo(JmxMo > nitoredMap.java:224) > at > com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.getNewMBeanClassNa > me(DefaultMBeanServerInterceptor.java:321) > at > com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerMBean(Defa > ultMBeanServerInterceptor.java:307) > at > com.sun.jmx.mbeanserver.JmxMBeanServer.registerMBean(JmxMBeanServer.java > :482) > at > org.apache.solr.core.JmxMonitoredMap.put(JmxMonitoredMap.java:137) > at > org.apache.solr.core.JmxMonitoredMap.put(JmxMonitoredMap.java:47) > at > org.apache.solr.core.SolrResourceLoader.inform(SolrResourceLoader.java:4 > 46) > at org.apache.solr.core.SolrCore.<init>(SolrCore.java:578) > at > harvard.solr.search.service.EmbeddedSearchService.setSolrHome(EmbeddedSe > archService.java:47) > > The same is happening for the StreamingUpdateSolrServer. > > Do you think it's a bug? > > Thank you for looking into it, > > -Olga >
