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Troubleshooting VCP Exception COMM_FAILURE
Technical Note 10031
Last Reviewed 22-Jul-2004
Applies To
Verastream Integration Broker version 9.0 or higher
Summary
Technical Note 10031
Last Reviewed 22-Jul-2004
Applies To
Verastream Integration Broker version 9.0 or higher
Summary
This technical note outlines possible causes of the Verastream Control Protocol (VCP) error "VCP Exception COMM_FAILURE."
Symptom
Your application or log files may show an error:
VCP Exception COMM_FAILURE minor=0, 1:COMPLETED_NOor
VCP Exception COMM_FAILURE minor=0, 2:COMPLETED_MAYBETroubleshooting Tips
To troubleshoot the error message, examine the logged messages before and after the error. For information about enabling logging, see Technical Note 10234.
Network-related Problems
Network-related problems are indicated by the following examples:
connect(fd=11,address=(as001=192.168.22.5):58403)=-1: errno=146: Connection refusedor
recv(fd=444,buflen=12)=-1: errno=10054: Connection reset by peeror
send(fd=444,buflen=76)=-1: errno=10054: Connection reset by peerIn these cases, the TCP/IP software is returning an error. Following is a list of possible causes:
- Remote system is down
- Firewall blocking connection
- Bad IP or DNS configuration
- System not reachable
- System overwhelmed with requests
- Network link down (router rebooted, power failure, etc.)
Problems Related to VCP Server Component
The following example indicates a problem with your VCP server component:
COMPONENT '<name>' METHOD '<method>': Cannot connect to server.In this case, the server component and/or sntcpd log(s) should be checked to determine why the server component could not start. Following is a list of possible causes:
- Server component not registered
- Server component registered, but the .pia or .fle file is not present in the registered directory (as appearing in VCP Component Directory Explorer or <VIB>/pardir/snregtab.dat file)
- UNIX file system permissions issue
- Bad SNDIRECTORYSERVER environment variable configuration
- Firewall blocking runtime registration communication from VCP server component to sntcpd daemon
