Program: 14171
Project: 14171
Buggy source:
@Override public Bucket createBucket(@Nonnull ObjectStorageProviderClient backendProvider,@Nonnull Bucket bucket,@Nullable String correlationId,@Nullable User requestUser) throws S3Exception {
  if (correlationId == null) {
    correlationId="String_Node_Str";
  }
  try {
    bucket=BucketMetadataManagers.getInstance().transitionBucketToState(bucket,BucketState.creating);
  }
 catch (  IllegalResourceStateException e) {
    throw new BucketAlreadyExistsException(bucket.getBucketName());
  }
catch (  MetadataOperationFailureException|ConstraintViolationException e) {
    throw new BucketAlreadyExistsException(bucket.getBucketName());
  }
catch (  Exception e) {
    LOG.error("String_Node_Str",e);
    InternalErrorException ex=new InternalErrorException(bucket.getBucketName());
    ex.initCause(e);
    throw ex;
  }
  if (bucket == null) {
    LOG.error("String_Node_Str" + correlationId + "String_Node_Str"+ bucket.getBucketName());
    throw new InternalErrorException("String_Node_Str");
  }
  if (BucketState.creating.equals(bucket.getState())) {
    CreateBucketResponseType backendResponse=null;
    try {
      CreateBucketType request=new CreateBucketType();
      request.setAccessControlList(new AccessControlList());
      request.setBucket(bucket.getBucketUuid());
      request.setUser(requestUser);
      backendResponse=backendProvider.createBucket(request);
      return BucketMetadataManagers.getInstance().transitionBucketToState(bucket,BucketState.extant);
    }
 catch (    EucalyptusCloudException e) {
      LOG.error("String_Node_Str",e);
      if (e instanceof S3Exception) {
        LOG.error("String_Node_Str" + bucket.getBucketName(),e);
        throw (S3Exception)e;
      }
 else {
        InternalErrorException ex=new InternalErrorException();
        ex.initCause(e);
        throw ex;
      }
    }
catch (    Exception e) {
      LOG.error("String_Node_Str" + bucket.getBucketName(),e);
      InternalErrorException ex=new InternalErrorException(bucket.getBucketName());
      ex.initCause(e);
      throw ex;
    }
  }
 else {
    throw new BucketAlreadyExistsException(bucket.getBucketName());
  }
}

Fixed version (ground truth):
@Override public Bucket createBucket(@Nonnull ObjectStorageProviderClient backendProvider,@Nonnull Bucket bucket,@Nullable String correlationId,@Nullable User requestUser) throws S3Exception {
  if (correlationId == null) {
    correlationId="String_Node_Str";
  }
  try {
    bucket=BucketMetadataManagers.getInstance().transitionBucketToState(bucket,BucketState.creating);
  }
 catch (  IllegalResourceStateException e) {
    throw new BucketAlreadyExistsException(bucket.getBucketName());
  }
catch (  MetadataOperationFailureException|ConstraintViolationException e) {
    throw new BucketAlreadyExistsException(bucket.getBucketName());
  }
catch (  Exception e) {
    LOG.error("String_Node_Str",e);
    InternalErrorException ex=new InternalErrorException(bucket.getBucketName());
    ex.initCause(e);
    throw ex;
  }
  if (bucket == null) {
    LOG.error("String_Node_Str" + correlationId + "String_Node_Str"+ bucket.getBucketName());
    throw new InternalErrorException("String_Node_Str");
  }
  if (BucketState.creating.equals(bucket.getState())) {
    CreateBucketResponseType backendResponse=null;
    try {
      CreateBucketType request=new CreateBucketType();
      request.setAccessControlList(new AccessControlList());
      request.setBucket(bucket.getBucketUuid());
      request.setUser(requestUser);
      backendResponse=backendProvider.createBucket(request);
      return BucketMetadataManagers.getInstance().transitionBucketToState(bucket,BucketState.extant);
    }
 catch (    EucalyptusCloudException e) {
      LOG.error("String_Node_Str",e);
      if (e instanceof S3Exception) {
        LOG.error("String_Node_Str" + bucket.getBucketName(),e);
        throw (S3Exception)e;
      }
 else {
        InternalErrorException ex=new InternalErrorException();
        ex.initCause(e);
        throw ex;
      }
    }
catch (    Exception e) {
      LOG.warn("String_Node_Str" + bucket.getBucketName(),e);
      InternalErrorException ex=new InternalErrorException(bucket.getBucketName());
      ex.initCause(e);
      throw ex;
    }
  }
 else {
    throw new BucketAlreadyExistsException(bucket.getBucketName());
  }
}