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NullPointerException Thrown From "com.tangosol.coherence.component.util.daemon.IpMonitor.getThisMember" When The IpMonitor Is Disabled (Doc ID 1547888.1)

Last updated on SEPTEMBER 18, 2023

Applies to:

Oracle Coherence - Version to [Release AS10g]
Information in this document applies to any platform.


The IpMonitor is an built-in feature of Coherence as part of its fast death detection mechanism. Please refer to the section on "Configuring Death Detection" in the Oracle Coherence documentation and <Note:1526745.1>,  "What is the purpose of IpMonitor in a Coherence Cluster" for more information.

Below is a sample IpMonitor configuration based on the default Coherence override file:



IpMonitor was disabled prior to upgrading to or it was disabled after had been installed.


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