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Maxinst Pod Error: IO Error: The network adapter could not establish the connection

Troubleshooting


Problem

Manage is stuck in activation and shows the following errors:
Message: Server Bundles not deployed in workspace masdev
Message: Db Connection Failure updatedb-needed .
In entitymgr-ws pod and maxinst pod logs, there is the following error:
java.sql.SQLRecoverableException: IO Error: The Network Adapter could not establish the connection
This was reported on an Oracle database. It was confirmed that database can be accessed externally with a sql tool, so the database is active. Make sure you are able to confirm that the database is live and is in working order.

Resolving The Problem

Run the following curl command against the maxinst pod in the terminal:
curl -v telnet://<target ip address>:<desired port number>
Result is a timeout and connection attempt failed:
sh-4.4$ curl -v telnet:@<target ip address>:<desired port number>
* Rebuilt URL to: telnet:@<target ip address>:<desired port number>
*  Trying 10.37.148.149...
* TCP_NODELAY set
* connect to <target ip address> port <desired port number> failed: Connection timed out
* Failed to connect to <target ip address>:<desired port number>: Connection timed out
* Closing connection 0
curl: (7) Failed to connect to <target ip address>:<desired port number>: Connection timed out
Take note of the node the maxinst pod is on, and confirm that the telnet command in other pods connected to this node fail as well. Now try other nodes and you will see that some nodes are able to connect using the telnet command but others can not. Work with your OpenShift provider to troubleshoot why some nodes can connect while others cannot.

Document Location

Worldwide

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Document Information

Modified date:
12 June 2024

UID

ibm17156690