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IMPALAD_WEB_METRIC_COLLECTION has become bad

IMPALAD_WEB_METRIC_COLLECTION has become bad

Explorer
I am frequently receving alerts for impala daemon on particular host stating "The health test result for IMPALAD_WEB_METRIC_COLLECTION has become bad: The Cloudera Manager Agent is not able to communicate with this role's web server" I have checked cloudera-scm-agent service on the host it is running fine. Please share your valid suggestion how to fix this issue.