Setting trace for Verify Identity Access SPNEGO issues

Edit online

Enable trace for SPNEGO so that you can retrieve more details about Reverse Proxy issues.

About this task

When directed by IBM Support, collect the SPNEGO diagnostic data when Reverse Proxy does not start.

Procedure

  1. Log in to the local management interface.
  2. From the top menu, select Secure Web Settings > Manage > Reverse Proxy.
  3. Select your reverse proxy.
  4. Select Manage > Configuration > Edit Tracing Configuration File.
  5. Add an entry to the file. Example entry that directs output to the spnegotrace.log file:
    bst:*.9:TEXTFILE:spnegotrace.log
  6. Turn on per-process trace to diagnose Reverse Proxy start issues:
    1. Uncomment the last line by removing the # symbol. 
      #Route to a per-process text file
*:*.9:TEXTFILE.10.1000:trace.log
    2. Stop and restart Reverse Proxy.
    3. Check the output in trace.log.