[jira] [Created] (SENTRY-700) Alter view broken with Sentry Sync

["Johndee Burks (JIRA)" <ji...@apache.org>]

Johndee Burks created SENTRY-700:
------------------------------------

             Summary: Alter view broken with Sentry Sync
                 Key: SENTRY-700
                 URL: https://issues.apache.org/jira/browse/SENTRY-700
             Project: Sentry
          Issue Type: Bug
         Environment: CDH5.3.2
            Reporter: Johndee Burks


If HDFS Sentry Sync is being used you cannot alter a view without failure. 

Example: 

{code}
0: jdbc:hive2://localhost:10000/default> create or replace view jview as select * from j1;
Error: Error while processing statement: FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.DDLTask. Unable to alter table. (state=08S01,code=1)
{code}

HS2 Log: 

{code}
2015-04-17 22:22:42,987 ERROR hive.ql.exec.DDLTask: org.apache.hadoop.hive.ql.metadata.HiveException: Unable to alter table.
        at org.apache.hadoop.hive.ql.metadata.Hive.alterTable(Hive.java:428)
        at org.apache.hadoop.hive.ql.exec.DDLTask.createView(DDLTask.java:4382)
        at org.apache.hadoop.hive.ql.exec.DDLTask.execute(DDLTask.java:321)
        at org.apache.hadoop.hive.ql.exec.Task.executeTask(Task.java:153)
        at org.apache.hadoop.hive.ql.exec.TaskRunner.runSequential(TaskRunner.java:85)
        at org.apache.hadoop.hive.ql.Driver.launchTask(Driver.java:1554)
        at org.apache.hadoop.hive.ql.Driver.execute(Driver.java:1321)
        at org.apache.hadoop.hive.ql.Driver.runInternal(Driver.java:1139)
        at org.apache.hadoop.hive.ql.Driver.run(Driver.java:962)
        at org.apache.hadoop.hive.ql.Driver.run(Driver.java:957)
        at org.apache.hive.service.cli.operation.SQLOperation.runInternal(SQLOperation.java:145)
        at org.apache.hive.service.cli.operation.SQLOperation.access$000(SQLOperation.java:69)
        at org.apache.hive.service.cli.operation.SQLOperation$1$1.run(SQLOperation.java:200)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.Subject.doAs(Subject.java:415)
        at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1642)
        at org.apache.hadoop.hive.shims.HadoopShimsSecure.doAs(HadoopShimsSecure.java:502)
        at org.apache.hive.service.cli.operation.SQLOperation$1.run(SQLOperation.java:213)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
        at java.util.concurrent.FutureTask.run(FutureTask.java:262)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:745)
Caused by: MetaException(message:java.lang.NullPointerException)
        at org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$alter_table_with_environment_context_result$alter_table_with_environment_context_resultStandardScheme.read(ThriftHiveMetastore.java:34075)
        at org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$alter_table_with_environment_context_result$alter_table_with_environment_context_resultStandardScheme.read(ThriftHiveMetastore.java:34052)
        at org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$alter_table_with_environment_context_result.read(ThriftHiveMetastore.java:33994)
        at org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:78)
        at org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$Client.recv_alter_table_with_environment_context(ThriftHiveMetastore.java:1163)
        at org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$Client.alter_table_with_environment_context(ThriftHiveMetastore.java:1147)
        at org.apache.hadoop.hive.metastore.HiveMetaStoreClient.alter_table(HiveMetaStoreClient.java:277)
        at org.apache.hadoop.hive.metastore.HiveMetaStoreClient.alter_table(HiveMetaStoreClient.java:272)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:606)
        at org.apache.hadoop.hive.metastore.RetryingMetaStoreClient.invoke(RetryingMetaStoreClient.java:90)
        at com.sun.proxy.$Proxy10.alter_table(Unknown Source)
        at org.apache.hadoop.hive.ql.metadata.Hive.alterTable(Hive.java:426)
        ... 22 more
{code}


HMS Log: 

{code}
2015-04-17 22:22:42,942 DEBUG org.apache.sentry.hdfs.MetastorePlugin: #### Creating HMS Path Update SeqNum : [36]
2015-04-17 22:22:42,942 DEBUG org.apache.sentry.hdfs.MetastorePlugin: #### HMS Path Update [OP : renameAuthzObject, oldName : default.jview,newPath : null,newName : default.jview,newPat
h : null]
{code}

The cause appears to be the fact that a null is being passed as part of paths update which will result in the NPE on the Thrift layer seen on HS2. 



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