code: public void ffdcDumpDefault(Throwable t, IncidentStream is, Object callerThis, Object[] objs, String sourceId) 
     {
        if (tc.isEntryEnabled()) SibTr.entry(this, tc, "ffdcDumpDefault", 
                                             new Object[]{t, is, callerThis, objs, sourceId});
        
        // Dump the SIB information
        super.ffdcDumpDefault(t, is, callerThis, objs, sourceId);
        
        is.writeLine("\n= ============= SIB Communications Diagnostic Information =============", "");
        is.writeLine("Current Diagnostic Module: ", _instance);
        
        dumpJFapClientStatus(is);
        dumpJFapServerStatus(is);
        
        if (tc.isEntryEnabled()) SibTr.exit(this, tc, "ffdcDumpDefault");
     }
docs: Called when an FFDC is generated and the stack matches one of our packages.
  
  @see com.ibm.ws.sib.utils.ffdc.SibDiagnosticModule#ffdcDumpDefault(java.lang.Throwable, com.ibm.ws.ffdc.IncidentStream, java.lang.Object, java.lang.Object[], java.lang.String)