ConcurrentModificationException ------------------------------- Key: SOLR-1797 URL: https://issues.apache.org/jira/browse/SOLR-1797 Project: Solr Issue Type: Bug Components: Build Affects Versions: 1.4, 1.5 Environment: Centos 5, Tomcat 6 Reporter: Dan Hertz Priority: Blocker
SOLR 1.4 (final) and 1.5 nightly work fine on a Windows box, but on our Centos 5 box, we're getting a ConcurrentModificationException when starting Tomcat 6. Yonik Seeley asked me to start a JIRA bug report, mentioning that, "It looks like resourceLoader.newInstance() is fundamentally not thread safe." (SOLR-USER) = = = Log Below: = = = INFO | jvm 1 | 2010/02/24 21:27:04 | SEVERE: java.util.ConcurrentModificationException INFO | jvm 1 | 2010/02/24 21:27:04 | at java.util.AbstractList$Itr.checkForComodification(AbstractList.java:372) INFO | jvm 1 | 2010/02/24 21:27:04 | at java.util.AbstractList$Itr.next(AbstractList.java:343) INFO | jvm 1 | 2010/02/24 21:27:04 | at org.apache.solr.core.SolrResourceLoader.inform(SolrResourceLoader.java:507) INFO | jvm 1 | 2010/02/24 21:27:04 | at org.apache.solr.core.SolrCore.<init>(SolrCore.java:606) INFO | jvm 1 | 2010/02/24 21:27:04 | at org.apache.solr.core.CoreContainer.create(CoreContainer.java:429) INFO | jvm 1 | 2010/02/24 21:27:04 | at org.apache.solr.core.CoreContainer.load(CoreContainer.java:285) INFO | jvm 1 | 2010/02/24 21:27:04 | at org.apache.solr.core.CoreContainer$Initializer.initialize(CoreContainer.java:117) INFO | jvm 1 | 2010/02/24 21:27:04 | at org.apache.solr.servlet.SolrDispatchFilter.init(SolrDispatchFilter.java:86) INFO | jvm 1 | 2010/02/24 21:27:04 | at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:275) INFO | jvm 1 | 2010/02/24 21:27:04 | at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:397) INFO | jvm 1 | 2010/02/24 21:27:04 | at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:108) INFO | jvm 1 | 2010/02/24 21:27:04 | at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:3800) INFO | jvm 1 | 2010/02/24 21:27:04 | at org.apache.catalina.core.StandardContext.start(StandardContext.java:4450) INFO | jvm 1 | 2010/02/24 21:27:04 | at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791) INFO | jvm 1 | 2010/02/24 21:27:04 | at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771) INFO | jvm 1 | 2010/02/24 21:27:04 | at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:526) INFO | jvm 1 | 2010/02/24 21:27:04 | at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:630) INFO | jvm 1 | 2010/02/24 21:27:04 | at org.apache.catalina.startup.HostConfig.deployDescriptors(HostConfig.java:556) INFO | jvm 1 | 2010/02/24 21:27:04 | at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:491) INFO | jvm 1 | 2010/02/24 21:27:04 | at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1206) INFO | jvm 1 | 2010/02/24 21:27:04 | at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:314) INFO | jvm 1 | 2010/02/24 21:27:04 | at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119) INFO | jvm 1 | 2010/02/24 21:27:04 | at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053) INFO | jvm 1 | 2010/02/24 21:27:04 | at org.apache.catalina.core.StandardHost.start(StandardHost.java:722) INFO | jvm 1 | 2010/02/24 21:27:04 | at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045) INFO | jvm 1 | 2010/02/24 21:27:04 | at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443) INFO | jvm 1 | 2010/02/24 21:27:04 | at org.apache.catalina.core.StandardService.start(StandardService.java:516) INFO | jvm 1 | 2010/02/24 21:27:04 | at org.apache.catalina.core.StandardServer.start(StandardServer.java:710) INFO | jvm 1 | 2010/02/24 21:27:04 | at org.apache.catalina.startup.Catalina.start(Catalina.java:583) INFO | jvm 1 | 2010/02/24 21:27:04 | at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) INFO | jvm 1 | 2010/02/24 21:27:04 | at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) INFO | jvm 1 | 2010/02/24 21:27:04 | at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) INFO | jvm 1 | 2010/02/24 21:27:04 | at java.lang.reflect.Method.invoke(Method.java:597) INFO | jvm 1 | 2010/02/24 21:27:04 | at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288) INFO | jvm 1 | 2010/02/24 21:27:04 | at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413) INFO | jvm 1 | 2010/02/24 21:27:04 | at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) INFO | jvm 1 | 2010/02/24 21:27:04 | at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) INFO | jvm 1 | 2010/02/24 21:27:04 | at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) INFO | jvm 1 | 2010/02/24 21:27:04 | at java.lang.reflect.Method.invoke(Method.java:597) INFO | jvm 1 | 2010/02/24 21:27:04 | at org.tanukisoftware.wrapper.WrapperStartStopApp.run(WrapperStartStopApp.java:242) INFO | jvm 1 | 2010/02/24 21:27:04 | at java.lang.Thread.run(Thread.java:619) -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.