org.apache.hadoop.mapred.TaskAttemptListenerImpl: Diagnostics report from attempt_1473074187230_0005_r_000000_0: Error: java.io.IOException: org.apache.solr.common.SolrException: Error opening new searcher. exceeded limit of maxWarmingSearchers=2, try again later.

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Diagnostics report from attempt_1473074187230_0005_r_000000_0: Error: java.io.IOException: org.apache.solr.common.SolrException: Error opening new searcher. exceeded limit of maxWarmingSearchers=2, try again later.
org.apache.hadoop.mapred.TaskAttemptListenerImpl: Diagnostics report from attempt_1473074187230_0005_r_000000_0: Error: java.io.IOException: org.apache.solr.common.SolrException: Error opening new searcher. exceeded limit of maxWarmingSearchers=2, try again later.
at org.apache.solr.core.SolrCore.getSearcher(SolrCore.java:1792)
at org.apache.solr.core.SolrCore.getSearcher(SolrCore.java:1552)
at org.apache.solr.update.DirectUpdateHandler2.commit(DirectUpdateHandler2.java:650)
at org.apache.solr.update.processor.RunUpdateProcessor.processCommit(RunUpdateProcessorFactory.java:93)
at org.apache.solr.update.processor.UpdateRequestProcessor.processCommit(UpdateRequestProcessor.java:61)
at org.apache.solr.update.processor.DistributedUpdateProcessor.doLocalCommit(DistributedUpdateProcessor.java:1646)
at org.apache.solr.update.processor.DistributedUpdateProcessor.processCommit(DistributedUpdateProcessor.java:1623)
at org.apache.solr.update.processor.LogUpdateProcessorFactory$LogUpdateProcessor.processCommit(LogUpdateProcessorFactory.java:160)
at org.apache.solr.handler.RequestHandlerUtils.handleCommit(RequestHandlerUtils.java:68)
at org.apache.solr.handler.ContentStreamHandlerBase.handleRequestBody(ContentStreamHandlerBase.java:62)
at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:154)
at org.apache.solr.core.SolrCore.execute(SolrCore.java:2089)
at org.apache.solr.client.solrj.SolrRequest.process(SolrRequest.java:149)
at org.apache.solr.client.solrj.SolrClient.commit(SolrClient.java:484)
at org.apache.solr.hadoop.BatchWriter.close(BatchWriter.java:212)
at org.apache.solr.hadoop.SolrRecordWriter.close(SolrRecordWriter.java:274)
at org.apache.hadoop.mapred.ReduceTask$NewTrackingRecordWriter.close(ReduceTask.java:550)
at org.apache.hadoop.mapred.ReduceTask.runNewReducer(ReduceTask.java:629)
at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:389)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:422)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)

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