private void handleRegionOverStuckWarningThreshold(final RegionInfo regionInfo) {
    final RegionStateNode regionNode = regionStates.getRegionStateNode(regionInfo);
    // if (regionNode.isStuck()) {
    LOG.warn("STUCK Region-In-Transition {}", regionNode);
  }
Check that what the RegionServer reports aligns with the Master's image. If disagreement, we
will tell the RegionServer to expediently close a Region we do not think it should have.
hbase-server/src/main/java/org/apache/hadoop/hbase/master/assignment/AssignmentManager.java