Application Server start or restart problems

If a server process does not start or starts with errors, the following topics might help you to diagnose the problem.

Installation program completes successfully, but an application server does not start, or starts with errors

Message "The socket bind failed for host hostname and port portnumber. The port may already be in use." occurs when restarting an application server.

The following error message might appear in the SystemOut.log after restarting an application server:
The socket bind failed for host hostname and port portnumber.  The port may already be in use.

This problem might occur if the network is slow, and the port listed in the message text did not finish listening when the application was stopped and restarted.

To verify that this is the problem, check the port status.

To correct this problem, wait for a few minutes after stopping the server:
  1. Verify that no ports are listening. Use this CL command:
    NETSTAT *CNN
    
  2. Restart the server

Message "DiscoveryService.sendQuery" exception appears in the FFDC log file

When you start a deployment manager, the deployment manager attempts to discover any configured node agents within its cell. If the deployment agent does not discover the node agents in the cell, it writes an exception to the first failure data capture (FFDC) log file for each node agents that the deployment manager does not discover. If the node agents are not suppose to be running, you can ignore the exception. If the node agents are suppose to be running, the FFDC log file might contain additional information that will help you determine why the deployment manager cannot discover the node agents even though the node agents are suppose to be running.

IBM® Support has documents and tools that can save you time gathering information needed to resolve problems as described in Troubleshooting help from IBM. Before opening a problem report, see the Support page:



Related tasks
Troubleshooting administration
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Last updated: Oct 21, 2010 5:30:17 AM CDT
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