Administration guide > Troubleshoot > Messages > CWOBJ: Messages for the ObjectGrid and related components
CWOBJ1508E
CANNOT_SEND_MESSAGE_CWOBJ1508=CWOBJ1508E: An exception occurred when attempting to send message ({0}) from sender ({1}) to receiver ({2}): {3}.
Explanation
A problem occurred while attempting to send a message between replication group members.
User response
Review the error message listed. If there is a configuration problem, correct it and restart the replica server. Otherwise, verify the correct placement of primaries and replicas using the logs. See the Logs and Trace section in the information center for JVM log location, or the ManagementGateway Interface.
Parent topic:
CWOBJ: WebSphere eXtreme Scale messages for the ObjectGrid and related components