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Unable to log in to application unless server restarts



Unable to log in to application unless server restarts. Error messages display when login fails.

Error Messages

java.lang.IllegalStateException: Cluster has not started or is not fully initialized.

your_node|your_ip|Rest|api|v1|cases|A62CB106237D92651A5E7E512B7141296  - Unable to check alerts
java.lang.IllegalStateException: Initial wall time for alerts not set

Exception in thread "ajp-bio-" java.lang.OutOfMemoryError: unable to create new native thread
at java.lang.Thread.start0(Native Method)
at java.lang.Thread.start(
at java.util.concurrent.ThreadPoolExecutor.addWorker(
at java.util.concurrent.ThreadPoolExecutor.execute(
at org.apache.tomcat.util.threads.ThreadPoolExecutor.execute(Unknown Source)
at org.apache.tomcat.util.threads.ThreadPoolExecutor.execute(Unknown Source)
at Source)
at$ Source)

Steps to Reproduce


Root Cause

A defect or configuration issue in the operating environment. The heap size of the application server must be a minimum of 4GB. The maximum heap size of application server and available native memory outside JVM are lesser than 4GB.


Make the following change to the operating environment:
Update JVM Xmx argument to 4GB. Use a minimum of 4GB native memory outside the heap to allocate native objects.

Published November 29, 2018 - Updated October 8, 2020

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