在本地主机上配置apache solr搜索出现错误：HTTP ERROR 500

Question

当我尝试访问localhost：8983/solr时，它显示以下错误。

HTTP ERROR 500

Problem accessing /solr/admin. Reason: 

{msg=SolrCore 'collection1' is not available due to init failure: Could not load config file /home/ahmad/solr-4.6.0/example/solr/collection1/solrconfig.xml,trace=org.apache.solr.common.SolrException: SolrCore 'collection1' is not available due to init failure: Could not load config file /home/ahmad/solr-4.6.0/example/solr/collection1/solrconfig.xml 
at org.apache.solr.core.CoreContainer.getCore(CoreContainer.java:818) 
at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:297) 
at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:197) 
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1419) 
at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:455) 
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137) 
at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:557) 
at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231) 
at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1075) 
at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:384) 
at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193) 
at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1009) 
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135) 
at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:255) 
at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:154) 
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116) 
at org.eclipse.jetty.server.Server.handle(Server.java:368) 
at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:489) 
at org.eclipse.jetty.server.BlockingHttpConnection.handleRequest(BlockingHttpConnection.java:53) 
at org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:942) 
at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:1004) 
at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:640) 
at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235) 
at org.eclipse.jetty.server.BlockingHttpConnection.handle(BlockingHttpConnection.java:72) 
at org.eclipse.jetty.server.bio.SocketConnector$ConnectorEndPoint.run(SocketConnector.java:264) 
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608) 
at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543) 
at java.lang.Thread.run(Thread.java:744) 

Caused by: org.apache.solr.common.SolrException: Could not load config file /home/ahmad/solr-4.6.0/example/solr/collection1/solrconfig.xml 
at org.apache.solr.core.CoreContainer.createFromLocal(CoreContainer.java:525) 
at org.apache.solr.core.CoreContainer.create(CoreContainer.java:592) 
at org.apache.solr.core.CoreContainer$1.call(CoreContainer.java:271) 
at org.apache.solr.core.CoreContainer$1.call(CoreContainer.java:263) 
at java.util.concurrent.FutureTask.run(FutureTask.java:262) 
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) 
at java.util.concurrent.FutureTask.run(FutureTask.java:262) 
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) 
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) 
... 1 more 

Caused by: org.apache.solr.common.SolrException: solrconfig.xml contains more than one value for config path: indexConfig/useCompoundFile 
at org.apache.solr.core.Config.getNode(Config.java:251) 
at org.apache.solr.core.Config.getNode(Config.java:228) 
at org.apache.solr.core.Config.getVal(Config.java:362) 
at org.apache.solr.core.Config.getBool(Config.java:406) 
at org.apache.solr.update.SolrIndexConfig.<init>(SolrIndexConfig.java:139) 
at org.apache.solr.core.SolrConfig.<init>(SolrConfig.java:157) 
at org.apache.solr.core.CoreContainer.createFromLocal(CoreContainer.java:522) 
... 9 more 
,code=500} 

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Answer 1

SolrException: solrconfig.xml contains more than one value for config path: indexConfig/useCompoundFile

此错误说，你有你的solrconfig.xmlindexConfig > useCompoundFile值的多次出现（的compoundFile这是多次出现在indexConfig）

只需删除这些值，以使它们在整个文件中只出现一次

这是一个change that appears in SOLR-4.5.0