NodeManager not Reachable: java.io.IOException: Invalid State File Format

(Doc ID 1293552.1)

Last updated on DECEMBER 18, 2017

Applies to:

Oracle WebLogic Server - Version 9.2 and later
Information in this document applies to any platform.
***Checked for relevance on 02-Oct-2016***

Symptoms

Managed Servers cannot be started via the WLS console as Node Manager is not reachable.

Also, the nodemanager.log file is showing the following messages:

Changes

After a power failure, the server machine (running as a Windows service) restarted automatically.

Cause

Sign In with your My Oracle Support account

Don't have a My Oracle Support account? Click to get started

My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms