SolrCloud集合无法执行查询没有可用于处理此请求的实时SolrServer，但该图显示它们处于活动状态

分类：编程问答

如何解决SolrCloud集合无法执行查询没有可用于处理此请求的实时SolrServer，但该图显示它们处于活动状态

  • 环境：
    • 一个带有jdk1.8.0_261，solr-8.6.1，zookeeper3.5.8，tomcat-8.5.57的centos7
  • 说明：
    • 一个Zookeeper伪集群（在具有不同端口的centos7上），四个tomcat各自具有一个solr webapp（在具有不同端口的同一centos7上）
  • 现在的问题是可以创建和分区我的Solrcoud集群，但是在创建和查询索引时总会出错：
2020-08-31 10:16:08.602 INFO  (zkCallback-12-thread-2) [   ] o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent state:SyncConnected type:NodeDataChanged path:/collections/collection1/state.json] for collection [collection1] has occurred - updating... (live nodes size: [4])
 org.apache.solr.client.solrj.impl.Http2SolrClient.request(Http2SolrClient.java:761)
    at org.apache.solr.client.solrj.impl.LBSolrClient.doRequest(LBSolrClient.java:370)
    at org.apache.solr.client.solrj.impl.LBSolrClient.request(LBSolrClient.java:298)
    ... 11 more
Caused by: java.nio.channels.ClosedChannelException
    at org.eclipse.jetty.http2.HTTP2Session.onShutdown(HTTP2Session.java:926)
    at org.eclipse.jetty.http2.HTTP2Connection$HTTP2Producer.produce(HTTP2Connection.java:283)
    at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.produceTask(EatWhatYouKill.java:360)
    at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:184)
    at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:171)
    at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.produce(EatWhatYouKill.java:135)
    at org.eclipse.jetty.http2.HTTP2Connection.produce(HTTP2Connection.java:170)
    at org.eclipse.jetty.http2.HTTP2Connection.onFillable(HTTP2Connection.java:125)
    at org.eclipse.jetty.http2.HTTP2Connection$FillableCallback.succeeded(HTTP2Connection.java:348)
    at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:103)
    at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:117)
    at org.eclipse.jetty.util.thread.Invocable.invokeNonBlocking(Invocable.java:69)
    at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.invokeTask(EatWhatYouKill.java:348)
    at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:303)
    at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:171)
    at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.produce(EatWhatYouKill.java:135)
    ... 4 more
2020-08-31 10:17:33.237 INFO  (http-nio-8980-exec-10) [c:collection1 s:shard1 r:core_node3 x:collection1_shard1_replica_n1] o.a.s.c.S.Request [collection1_shard1_replica_n1]  webapp=/solr path=/select params={q=*:*&_=1598840250342} status=500 QTime=324
2020-08-31 10:17:33.241 ERROR (http-nio-8980-exec-10) [c:collection1 s:shard1 r:core_node3 x:collection1_shard1_replica_n1] o.a.s.s.HttpSolrCall null:org.apache.solr.common.SolrException: org.apache.solr.client.solrj.SolrServerException: No live SolrServers available to handle this request:[http://172.16.xxx.xxx:8780/solr/collection1_shard2_replica_n6,http://172.16.xxx.xxx:8880/solr/collection1_shard1_replica_n2,http://172.16.xxx.xxx:8680/solr/collection1_shard2_replica_n4]
    at org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:446)
    at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:214)
    at org.apache.solr.core.SolrCore.execute(SolrCore.java:2606)
    at org.apache.solr.servlet.HttpSolrCall.execute(HttpSolrCall.java:812)
    at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:588)
    at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:415)
    at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:345)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:543)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81)
    at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:690)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
    at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:615)
    at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
    at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:818)
    at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1626)
    at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
    at java.lang.Thread.run(Thread.java:748)
Caused by: org.apache.solr.client.solrj.SolrServerException: No live SolrServers available to handle this request:[http://172.16.xxx.xxx:8780/solr/collection1_shard2_replica_n6,http://172.16.xxx.xxx:8680/solr/collection1_shard2_replica_n4]
    at org.apache.solr.client.solrj.impl.LBSolrClient.request(LBSolrClient.java:347)
    at org.apache.solr.handler.component.HttpShardHandlerFactory.makeLoadBalancedRequest(HttpShardHandlerFactory.java:371)
    at org.apache.solr.handler.component.ShardRequestor.call(ShardRequestor.java:132)
    at org.apache.solr.handler.component.ShardRequestor.call(ShardRequestor.java:41)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:180)
    at org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:212)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    ... 1 more
Caused by: org.apache.solr.client.solrj.SolrServerException: IOException occured when talking to server at: null
    at org.apache.solr.client.solrj.impl.Http2SolrClient.request(Http2SolrClient.java:428)
    at org.apache.solr.client.solrj.impl.Http2SolrClient.request(Http2SolrClient.java:761)
    at org.apache.solr.client.solrj.impl.LBSolrClient.doRequest(LBSolrClient.java:370)
    at org.apache.solr.client.solrj.impl.LBSolrClient.request(LBSolrClient.java:298)
    ... 11 more
Caused by: java.nio.channels.ClosedChannelException
    at org.eclipse.jetty.http2.HTTP2Session.onShutdown(HTTP2Session.java:926)
    at org.eclipse.jetty.http2.HTTP2Connection$HTTP2Producer.produce(HTTP2Connection.java:283)
    at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.produceTask(EatWhatYouKill.java:360)
    at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:184)
    at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:171)
    at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.produce(EatWhatYouKill.java:135)
    at org.eclipse.jetty.http2.HTTP2Connection.produce(HTTP2Connection.java:170)
    at org.eclipse.jetty.http2.HTTP2Connection.onFillable(HTTP2Connection.java:125)
    at org.eclipse.jetty.http2.HTTP2Connection$FillableCallback.succeeded(HTTP2Connection.java:348)
    at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:103)
    at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:117)
    at org.eclipse.jetty.util.thread.Invocable.invokeNonBlocking(Invocable.java:69)
    at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.invokeTask(EatWhatYouKill.java:348)
    at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:303)
    at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:171)
    at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.produce(EatWhatYouKill.java:135)
    ... 4 more

thanks a lot.

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