Support Article
Node in Decision Data Store is intermittently stopped
SA-65704
Summary
A node in Decision Data Store is intermittently stopped.
Error Messages
[DDS.Default-Pulse:7] [STANDARD] [ ] [ ] (dnode.api.DdsService) ERROR - Exception occurred while checking disk space on pulse.
com.pega.dsm.dnode.impl.cassandra.CassandraMetricsProvider$MetricUnavailableException: Metric Count unavailable via jmx
Caused by: java.util.concurrent.ExecutionException: java.io.IOException: Failed to retrieve RMIServer stub: javax.naming.ServiceUnavailableException [Root exception is java.rmi.ConnectException: Connection refused to host: localhost; nested exception is:
java.net.ConnectException: Connection refused]
Caused by: java.io.IOException: Failed to retrieve RMIServer stub: javax.naming.ServiceUnavailableException [Root exception is java.rmi.ConnectException: Connection refused to host: localhost; nested exception is:
java.net.ConnectException: Connection refused]
Caused by: javax.naming.ServiceUnavailableException
Caused by: java.net.ConnectException: Connection refused
at java.net.Socket.connect(Socket.java:666) ~[?:1.8.0]
at java.net.Socket.connect(Socket.java:606) ~[?:1.8.0]
at java.net.Socket.<init>(Socket.java:469) ~[?:1.8.0]
Steps to Reproduce
Add four nodes on the loading page.
Root Cause
A defect or configuration issue in the operating environment.
Resolution
Make the following change to the operating environment:
Adjust the below operating system level settings.
memlock unlimited
nofile 100000
Tags:
Published October 5, 2018 - Updated December 2, 2021
Have a question? Get answers now.
Visit the Collaboration Center to ask questions, engage in discussions, share ideas, and help others.