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Support Article

Active node receives HazelcastInstanceNotActiveException



HazelcastInstanceNotActiveException is generated in the logs repeatedly for an active node.

Error Messages

[WebContainer : 3] [ STANDARD] [ ] [ ACEPOINTER:01.01.01] (internal.mgmt.Executable) ERROR your_host|your_ip your_user- Exception

com.hazelcast.core.HazelcastInstanceNotActiveException: Hazelcast  instance is not active!

Steps to Reproduce

Not Applicable

Root Cause

A defect or configuration issue in the operating environment.
When the error was generated in the logs, multiple OutOfMemory (OOM) exceptions displayed. Since Hazelcast stored information in the memory, OOMs impacted Hazelcast severely.


Restart the node which displayed the error.

Published January 23, 2020 - Updated December 2, 2021

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