FAILED_NOT_RESTARTABLE for ManagedServer in 11g

OPTION 1 :

It has been observed that Manager server went to FAILED_NOT_RESTARTABLE state. For first check what we can do below activities :

1. Stop all manageserver of that particular server.
2. Then nodemanager need to stop.
3. And then nodemanager need to start first.
4. Then manageserver need to start from admin console.

Many time this will resolved the issue.

OPTION 2 :

Normally When weblogic server starts, it creates two lock files :

• $DOMAIN_HOME/servers/{$ManagedServer}/tmp/{$ManagedServer}.lok
• $DOMAIN_HOME/servers/{$ManagedServer}/data/ldap/ldapfiles/EmbeddedLDAP.lok

When WebLogic server stops, it removes these two files. If you not stop server properly these lock files remain. In that case these files need to delete.

OPTION 3 :

But sometime when some more file got corrupted, the such basic thing does not help to resolve the issue. In that cache all data/cache/tmp folder need to remove. Below activities can be performed for the same.

1. Stop all manageserver of that particular server.
2. Then nodemanager need to stop.
3. Keep a backup of 3 folder :

• $DOMAIN_HOME/servers/{$ManagedServer}/tmp
• $DOMAIN_HOME/servers/{$ManagedServer}/cache
• $DOMAIN_HOME/servers/{$ManagedServer}/data

4. After taking backup you can delete these folder.

5. Start nodemanager.

6. Start ManagedServer from admin console.

This will help to resolved the issue.