[TechNote] java.io.IOException: Async IO operation failed (3), reason: RC: 55 The specified network resource or device is no longer available.

Recovering from service transaction timeout messages

Use the information in this topic to recover from service transaction timeout messages.

If you receive service transaction timeout message, you may time out while waiting for a thread in the pool to become available, or see a message similar to the following:

java.io.IOException: Async IO operation failed (3), reason: RC: 55 

The specified network resource or device is no longer available.

 

 To overcome this problem, increase the maximum size of the web container thread pool and increase the size of the HTTP outbound connector connection pool for all JVM web services.

1. Navigate to the WebSphere® Application Server administrative console.
2. Select the Servers > Server types > Websphere application servers.
3. Click the client server links. For example: IICCltSvcs01.
4. In the Server Infrastructure section, select Java and Process Management > Process definition.
5. In the Additional Properties section, select Java virtual machine > Custom Properties
6. Set the value for com.ibm.websphere.webservices.http.maxConnection to a higher value (for example, 500).
7. Restart the server.