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AppDynamics Team (Retired)

While starting the Events Service as a standalone process, the following error can be seen in the log files:


1) Error injecting method, MasterNotDiscoveredException[null]
  while locating

1 error
 at com.appdynamics.common.framework.Loaders.internalPrepareAndPreStart(
 at com.appdynamics.common.framework.Loaders.loadAndInitializeModules(
 at com.appdynamics.common.framework.AbstractApp.callRunServer(
 at com.appdynamics.common.framework.AbstractApp.runUsingFile(
 at com.appdynamics.common.framework.AbstractApp.runUsingTemplate(
 at com.appdynamics.common.framework.AbstractApp.runUsingTemplate(
Caused by: MasterNotDiscoveredException[null]
 at org.elasticsearch.cluster.ClusterStateObserver$ObserverClusterStateListener.onTimeout(
 at org.elasticsearch.cluster.service.InternalClusterService$
 at java.util.concurrent.ThreadPoolExecutor.runWorker(
 at java.util.concurrent.ThreadPoolExecutor$


One of the possible causes for this issue can be during Events Service cluster deployment when the master node is not reachable due to configuration issues in the file.


To resolve this issue, the user must provide the "Fully Qualified Hostname" or IP address as a value for the property in the file:




Then save the file and restart the Events Service cluster.

Version history
Last update:
‎08-31-2017 10:32 AM
Updated by:
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