#fixed code
                              public void run() throws IOException {
    LOG.info("Ring Group Conductor Daemon for ring group " + ringGroupName + " starting.");
    boolean claimedRingGroupConductor = false;
    try {
      ringGroup = coordinator.getRingGroup(ringGroupName);

      // attempt to claim the ring group conductor title
      if (ringGroup.claimRingGroupConductor()) {
        claimedRingGroupConductor = true;

        // we are now *the* ring group conductor for this ring group.
        domainGroup = ringGroup.getDomainGroup();

        // set a watch on the ring group
        ringGroup.setListener(this);

        // set a watch on the domain group version
        domainGroup.setListener(this);

        // loop until we're taken down
        stopping = false;
        try {
          while (!stopping) {
            // take a snapshot of the current ring/domain group configs, since
            // they might get changed while we're processing the current update.
            RingGroup snapshotRingGroup;
            DomainGroup snapshotDomainGroup;
            synchronized (lock) {
              snapshotRingGroup = ringGroup;
              snapshotDomainGroup = domainGroup;
            }

            processUpdates(snapshotRingGroup, snapshotDomainGroup);
            Thread.sleep(configurator.getSleepInterval());
          }
        } catch (InterruptedException e) {
          // daemon is going down.
        }
      } else {
        LOG.info("Attempted to claim Ring Group Conductor status, but there was already a lock in place!");
      }
    } catch (Throwable t) {
      LOG.fatal("unexpected exception!", t);
    } finally {
      if (claimedRingGroupConductor) {
        ringGroup.releaseRingGroupConductor();
      }
    }
    LOG.info("Ring Group Conductor Daemon for ring group " + ringGroupName + " shutting down.");
  }
#vulnerable code 
                              public void run() throws IOException {
    LOG.info("Ring Group Conductor Daemon for ring group " + ringGroupName + " starting.");
    boolean claimedRingGroupConductor = false;
    try {
      ringGroup = coordinator.getRingGroup(ringGroupName);

      // attempt to claim the ring group conductor title
      if (ringGroup.claimRingGroupConductor()) {
        claimedRingGroupConductor = true;

        // we are now *the* ring group conductor for this ring group.
        domainGroup = ringGroup.getDomainGroup();

        // set a watch on the ring group
        ringGroup.setListener(this);

        // set a watch on the domain group version
        domainGroup.setListener(this);

        // loop until we're taken down
        goingDown = false;
        try {
          while (!goingDown) {
            // take a snapshot of the current ring/domain group configs, since
            // they might get changed while we're processing the current update.
            RingGroup snapshotRingGroup;
            DomainGroup snapshotDomainGroup;
            synchronized (lock) {
              snapshotRingGroup = ringGroup;
              snapshotDomainGroup = domainGroup;
            }

            processUpdates(snapshotRingGroup, snapshotDomainGroup);
            Thread.sleep(configurator.getSleepInterval());
          }
        } catch (InterruptedException e) {
          // daemon is going down.
        }
      } else {
        LOG.info("Attempted to claim Ring Group Conductor status, but there was already a lock in place!");
      }
    } catch (Throwable t) {
      LOG.fatal("unexpected exception!", t);
    } finally {
      if (claimedRingGroupConductor) {
        ringGroup.releaseRingGroupConductor();
      }
    }
    LOG.info("Ring Group Conductor Daemon for ring group " + ringGroupName + " shutting down.");
  } 
                            #location 21 
                            #vulnerability type THREAD_SAFETY_VIOLATION