solr启动时报错java.nio.channels.OverlappingFileLockException

错误堆栈如下：
=====================
2011-5-10 10:12:41 org.apache.solr.servlet.SolrDispatchFilter init

严重: Could not start SOLR. Check solr/home property

java.nio.channels.OverlappingFileLockException

at sun.nio.ch.FileChannelImpl$SharedFileLockTable.checkList(FileChannelImpl.java:1173)

at sun.nio.ch.FileChannelImpl$SharedFileLockTable.add(FileChannelImpl.java:1075)

at sun.nio.ch.FileChannelImpl.tryLock(FileChannelImpl.java:881)

at java.nio.channels.FileChannel.tryLock(FileChannel.java:962)

at org.apache.lucene.store.NativeFSLock.obtain(NativeFSLockFactory.java:244)

at org.apache.lucene.store.Lock.obtain(Lock.java:73)

at org.apache.lucene.index.IndexWriter.init(IndexWriter.java:1565)

at org.apache.lucene.index.IndexWriter.<init>(IndexWriter.java:1421)

at org.apache.solr.update.SolrIndexWriter.<init>(SolrIndexWriter.java:191)

at org.apache.solr.update.UpdateHandler.createMainIndexWriter(UpdateHandler.java:98)

at org.apache.solr.update.DirectUpdateHandler2.openWriter(DirectUpdateHandler2.java:173)

at org.apache.solr.update.DirectUpdateHandler2.forceOpenWriter(DirectUpdateHandler2.java:376)

at org.apache.solr.handler.ReplicationHandler.inform(ReplicationHandler.java:845)

at org.apache.solr.core.SolrResourceLoader.inform(SolrResourceLoader.java:508)

at org.apache.solr.core.SolrCore.<init>(SolrCore.java:588)

at org.apache.solr.core.CoreContainer$Initializer.initialize(CoreContainer.java:137)

at org.apache.solr.servlet.SolrDispatchFilter.init(SolrDispatchFilter.java:83)

at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:295)

at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:422)

at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:115)

at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4001)

at org.apache.catalina.core.StandardContext.start(StandardContext.java:4651)

at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791)

at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771)

at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:546)

at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1041)

at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:964)

at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:502)

at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1277)

at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:321)

at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)

at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053)

at org.apache.catalina.core.StandardHost.start(StandardHost.java:785)

at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)

at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:445)

at org.apache.catalina.core.StandardService.start(StandardService.java:519)

at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)

at org.apache.catalina.startup.Catalina.start(Catalina.java:581)

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:597)

at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)

at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)

原因：原先solr未配置主从同步，现在在solr中配置了主从同步；以war包形式部署的solr会在tomcat的webapps中产生一个展开的apache-solr-1.4.1目录，将其删除即可解决