boolean isBucketNotFoundException(ForceReattemptException e) {
    ForceReattemptException fre = e;
    while (fre.getCause() != null && fre.getCause() instanceof ForceReattemptException) {
      fre = (ForceReattemptException) fre.getCause();
    }
    return fre instanceof BucketNotFoundException;
  }
@return true if the cause of the FRE is a BucketNotFoundException
geode-core/src/main/java/org/apache/geode/internal/cache/tx/PartitionedTXRegionStub.java