code: @Override
      public void error(VirtualConnection vc, Throwable t) {
  
          if (TraceComponent.isAnyTracingEnabled() && tc.isDebugEnabled()) {
              Tr.debug(tc, "error() called: vc=" + vc + " t=" + t);
          }
  
          // The VC might be null if the channel was destroyed before the callback completes
          if (vc != null) {
              HttpInboundServiceContextImpl mySC = (HttpInboundServiceContextImpl) vc.getStateMap().get(CallbackIDs.CALLBACK_HTTPISC);
  
              if (mySC.getHttpConfig().getDebugLog().isEnabled(DebugLog.Level.WARN)) {
                  mySC.getHttpConfig().getDebugLog().log(DebugLog.Level.WARN, HttpMessages.MSG_WRITE_FAIL, mySC);
              }
              mySC.logLegacyMessage();
              // sendError() API already set persistent to false
              mySC.finishSendError();
          }
      }
docs: Called by the devide side channel when the write had an error.
  
  @param vc
  @param t