code: private void traceJndiBegin(String methodname, Object... objs) {
          if (TraceComponent.isAnyTracingEnabled() && tc.isDebugEnabled()) {
              String providerURL = "UNKNOWN";
              try {
                  providerURL = (String) getEnvironment().get(Context.PROVIDER_URL);
              } catch (NamingException ne) {
                  /* Ignore. */
              }
              Tr.debug(tc, JNDI_CALL + methodname + " [" + providerURL + "]", objs);
          }
      }
docs: Trace a message with "JNDI_CALL' that includes the parameters sent to the JNDI call.
  
  @param methodname The name of the method that is requesting the trace.
  @param objs The parameters to trace.