code: @Override
      public boolean lock(EJSContainer c, ContainerTx tx, Object lockName, int mode)
                      throws LockException
      {
          try
          {
              Locker locker = tx; // d139352-2
              return c.getLockManager().lock(lockName, locker, mode);
          } catch (InterruptedException ex)
          {
              FFDCFilter.processException(ex, CLASS_NAME + ".lock", "75", this);
              Tr.fatal(tc, "ATTEMPT_TO_ACQUIRE_LOCK_INTERRUPTED_CNTR0004E",
                       new Object[] { ex }); //p111002.5
          }
  
          return false;
      }
docs: PQ53065