cdh监控mysql_clouderaManager出现HostMonitor异常,监控无法展示

我在把错误信息帖下,大家看下

2015-04-07 02:09:59,453 WARN 929083949@scm-web-73:com.cloudera.server.cmf.tsquery.TimeSeriesQueryService: com.cloudera.server.cmf.tsquery.TimeSeriesQueryService@3c01063a failed on nozzle HOST_MONITORING

java.util.concurrent.ExecutionException: org.apache.avro.AvroRemoteException: java.net.ConnectException: Connection refused

at java.util.concurrent.FutureTask.report(FutureTask.java:122)

at java.util.concurrent.FutureTask.get(FutureTask.java:202)

at com.cloudera.server.cmf.tsquery.NozzleRequest.getResponse(NozzleRequest.java:70)

at com.cloudera.server.cmf.tsquery.TimeSeriesQueryService.queryTimeSeries(TimeSeriesQueryService.java:344)

at com.cloudera.server.web.cmf.charts.TimeSeriesQueryController.queryTimeSeriesHelper(TimeSeriesQueryController.java:303)

at com.cloudera.server.web.cmf.charts.TimeSeriesQueryController.queryTimeSeries(TimeSeriesQueryContr

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