App-server Error Message Codes
App-server Error Message Codes
The following error message codes may appear on the app-server log. Use the following message code references and the corresponding reasons and actions to help troubleshoot issues.
App-server informational messages
ZWED0020I
Registering at discoveryUrl
Reason:
The app-server is registering its existence to the API ML discovery server, because components.app-server.node.mediationLayer.enabled=true
is set in the zowe configuration.
Action:
No action required.
ZWED0021I
Eureka Client Registered from ipAddress. Available at discoveryUrl.
Reason:
The registration attempt from ZWED0020I has succeeded. The server is known to the API ML discovery server from the address ipAddress.
Action:
No action required.
ZWED0022I
Fork worker workerId
Reason:
A new app-server worker process is starting. Workers are redundant execution contexts of the server and increase throughput and latency of requests when the server has a lot of concurrent client requests. Workers are started and stopped according to current server load and the minimum and maximum worker limits defined in environment variables ZLUX_MIN_WORKERS and ZLUX_MAX_WORKERS.
Action:
No action required.
ZWED0023I
Restart worker workerId
Reason:
An existing app-server worker process has exited with a status code that indicates it should be restarted rather than permenantly stopped.
Action:
Review the preceeding log messages as worker restart may be due to a caught error.