Andrew Onischuk created AMBARI-16965: ----------------------------------------
Summary: Exception while detecting JMX protocol for HISTORYSERVER Key: AMBARI-16965 URL: https://issues.apache.org/jira/browse/AMBARI-16965 Project: Ambari Issue Type: Bug Reporter: Andrew Onischuk Assignee: Andrew Onischuk Fix For: 2.4.0 Attachments: AMBARI-16965.patch Secured cluster with HDP 2.5. (also installed Ranger but I'm not sure that it influences on this) I see a lot of exception in ambari server logs: 25 May 2016 16:50:16,982 INFO [pool-7-thread-26] AbstractProviderModule:1184 - Defaulting JMX to HTTP protocol for for clusterName = c1, componentName = HISTORYSERVERHISTORYSERVER 25 May 2016 16:50:23,617 INFO [pool-7-thread-28] AbstractProviderModule:1182 - Exception while detecting JMX protocol for clusterName = c1, componentName = HISTORYSERVER java.lang.NullPointerException at org.apache.ambari.server.controller.internal.AbstractProviderModule.getJMXProtocolString(AbstractProviderModule.java:1205) at org.apache.ambari.server.controller.internal.AbstractProviderModule.getJMXProtocol(AbstractProviderModule.java:1175) at org.apache.ambari.server.controller.jmx.JMXPropertyProvider.getJMXProtocol(JMXPropertyProvider.java:378) at org.apache.ambari.server.controller.jmx.JMXPropertyProvider.populateResource(JMXPropertyProvider.java:194) at org.apache.ambari.server.controller.metrics.ThreadPoolEnabledPropertyProvider$1.call(ThreadPoolEnabledPropertyProvider.java:185) at org.apache.ambari.server.controller.metrics.ThreadPoolEnabledPropertyProvider$1.call(ThreadPoolEnabledPropertyProvider.java:183) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) It appears every few seconds -- This message was sent by Atlassian JIRA (v6.3.4#6332)