[IMPALA-6933] test_kudu.TestCreateExternalTable on S3 failing with "AlreadyExistsException: Database already exists"

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: Impala 3.0
• Fix Version/s: Impala 2.13.0, Impala 3.1.0
• Component/s: Infrastructure
• Labels: kudu test-infra
• Epic Color: ghx-label-4
• Assignee: Vuk Ercegovac
• Reporter: David Knupp
• Created: 25/Apr/18 20:16
• Updated: 29/May/18 20:25
• Resolved: 29/May/18 20:25

Description

Error Message

test setup failure

Stacktrace

conftest.py:347: in conn
    with __unique_conn(db_name=db_name, timeout=timeout) as conn:
/usr/lib64/python2.6/contextlib.py:16: in __enter__
    return self.gen.next()
conftest.py:380: in __unique_conn
    cur.execute("CREATE DATABASE %s" % db_name)
../infra/python/env/lib/python2.6/site-packages/impala/hiveserver2.py:302: in execute
    configuration=configuration)
../infra/python/env/lib/python2.6/site-packages/impala/hiveserver2.py:343: in execute_async
    self._execute_async(op)
../infra/python/env/lib/python2.6/site-packages/impala/hiveserver2.py:362: in _execute_async
    operation_fn()
../infra/python/env/lib/python2.6/site-packages/impala/hiveserver2.py:340: in op
    async=True)
../infra/python/env/lib/python2.6/site-packages/impala/hiveserver2.py:1027: in execute
    return self._operation('ExecuteStatement', req)
../infra/python/env/lib/python2.6/site-packages/impala/hiveserver2.py:957: in _operation
    resp = self._rpc(kind, request)
../infra/python/env/lib/python2.6/site-packages/impala/hiveserver2.py:925: in _rpc
    err_if_rpc_not_ok(response)
../infra/python/env/lib/python2.6/site-packages/impala/hiveserver2.py:704: in err_if_rpc_not_ok
    raise HiveServer2Error(resp.status.errorMessage)
E   HiveServer2Error: ImpalaRuntimeException: Error making 'createDatabase' RPC to Hive Metastore: 
E   CAUSED BY: AlreadyExistsException: Database f0mraw already exists

Tests affected:

• query_test.test_kudu.TestCreateExternalTable.test_unsupported_binary_col
• query_test.test_kudu.TestCreateExternalTable.test_drop_external_table
• query_test.test_kudu.TestCreateExternalTable.test_explicit_name
• query_test.test_kudu.TestCreateExternalTable.test_explicit_name_preference
• query_test.test_kudu.TestCreateExternalTable.test_explicit_name_doesnt_exist
• query_test.test_kudu.TestCreateExternalTable.test_explicit_name_doesnt_exist_but_implicit_does
• query_test.test_kudu.TestCreateExternalTable.test_table_without_partitioning
• query_test.test_kudu.TestCreateExternalTable.test_column_name_case
• query_test.test_kudu.TestCreateExternalTable.test_conflicting_column_name