solr - 由 : org. apache.solr.common.SolrException 引起:索引已锁定以进行核心写入

Question

我们使用 solr4.3 进行主/从设置，今天我收到以下错误并且 solr 停止响应。可能是什么原因造成的，

 Caused by: org.apache.solr.common.SolrException: Index locked for write for core XXX
    at org.apache.solr.core.SolrCore.<init>(SolrCore.java:821)
    at org.apache.solr.core.SolrCore.<init>(SolrCore.java:618)
    at org.apache.solr.core.CoreContainer.createFromLocal(CoreContainer.java:949)
    at org.apache.solr.core.CoreContainer.create(CoreContainer.java:984)
    at org.apache.solr.core.CoreContainer$2.call(CoreContainer.java:597)
    at org.apache.solr.core.CoreContainer$2.call(CoreContainer.java:592)
    at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
    at java.util.concurrent.FutureTask.run(FutureTask.java:138)
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:439)
    at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
    at java.util.concurrent.FutureTask.run(FutureTask.java:138)
    at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
    ... 1 more
Caused by: org.apache.lucene.store.LockObtainFailedException: Index locked for write for core XX        at org.apache.solr.core.SolrCore.initIndex(SolrCore.java:484)
    at org.apache.solr.core.SolrCore.<init>(SolrCore.java:745)
    ... 13 more

Answer 1

删除核心文件夹 /data/index/ 中的文件 write.lock，然后重新启动 tomcat。它会起作用的。