Troubleshooting
Problem
When attempting to start the Cognos service on a virtual server and Dynamic Memory is enabled, Cognos fails to start...
X Launching a JVM using 'Maximum memory in MB'
[Launching a JVM using 'Maximum memory in MB']
[ ERROR ] Failed to launch a test JVM with the current memory setting.
Details from the JVM :
JVMJ9VM015W Initialization error for library j9gc28(5): Failed to allocate default memory space
Error: Could not create the Java Virtual Machine.
Error: A fatal exception has occurred. Program will exit.
[Launching a JVM using 'Maximum memory in MB']
[ ERROR ] Failed to launch a test JVM with the current memory setting.
Details from the JVM :
JVMJ9VM015W Initialization error for library j9gc28(5): Failed to allocate default memory space
Error: Could not create the Java Virtual Machine.
Error: A fatal exception has occurred. Program will exit.
Environment
Virtual machine with dynamic memory enabled
Resolving The Problem
According to the IBM Cognos VMware Configuration Recommendations document, IBM recommends dedicated\entitled Cores\CPU, RAM, and Disk to the Cognos servers via a Resource Pool. All Cognos servers should be isolated to its own Resource Pool;
The solution is to disable dynamic memory on the virtual system and set up preallocated maximum memory
Related Information
Document Location
Worldwide
[{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSTSF6","label":"IBM Cognos Analytics"},"Component":"","Platform":[{"code":"PF033","label":"Windows"}],"Version":"All Versions","Edition":"","Line of Business":{"code":"LOB10","label":"Data and AI"}}]
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Document Information
Modified date:
14 February 2019
UID
ibm10871888