[jira] [Created] (HIVE-5307) NPE in JsonMetaDataFormatter if Table Path is null

["Branky Shao (JIRA)" <ji...@apache.org>]

Branky Shao created HIVE-5307:
---------------------------------

             Summary: NPE in JsonMetaDataFormatter  if Table Path is null
                 Key: HIVE-5307
                 URL: https://issues.apache.org/jira/browse/HIVE-5307
             Project: Hive
          Issue Type: Bug
          Components: HCatalog, Views
    Affects Versions: 0.11.0
            Reporter: Branky Shao
            Priority: Trivial


When I try to get a table (actually a view) description from HCatalog in HUE, get a NPE thrown as: 
org.apache.hadoop.hive.ql.metadata.HiveException: java.lang.NullPointerException
	at org.apache.hadoop.hive.ql.exec.DDLTask.showTableStatus(DDLTask.java:2758)
	at org.apache.hadoop.hive.ql.exec.DDLTask.execute(DDLTask.java:347)
	at org.apache.hadoop.hive.ql.exec.Task.executeTask(Task.java:144)
	at org.apache.hadoop.hive.ql.exec.TaskRunner.runSequential(TaskRunner.java:57)
	at org.apache.hadoop.hive.ql.Driver.launchTask(Driver.java:1355)
	at org.apache.hadoop.hive.ql.Driver.execute(Driver.java:1139)
	at org.apache.hadoop.hive.ql.Driver.run(Driver.java:945)
	at org.apache.hcatalog.cli.HCatDriver.run(HCatDriver.java:43)
	at org.apache.hcatalog.cli.HCatCli.processCmd(HCatCli.java:251)
	at org.apache.hcatalog.cli.HCatCli.processLine(HCatCli.java:205)
	at org.apache.hcatalog.cli.HCatCli.main(HCatCli.java:164)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.apache.hadoop.util.RunJar.main(RunJar.java:160)
Caused by: java.lang.NullPointerException
	at org.apache.hadoop.hive.ql.metadata.formatting.JsonMetaDataFormatter.putFileSystemsStats(JsonMetaDataFormatter.java:303)
	at org.apache.hadoop.hive.ql.metadata.formatting.JsonMetaDataFormatter.makeOneTableStatus(JsonMetaDataFormatter.java:257)
	at org.apache.hadoop.hive.ql.metadata.formatting.JsonMetaDataFormatter.makeAllTableStatus(JsonMetaDataFormatter.java:209)
	at org.apache.hadoop.hive.ql.metadata.formatting.JsonMetaDataFormatter.showTableStatus(JsonMetaDataFormatter.java:192)
	at org.apache.hadoop.hive.ql.exec.DDLTask.showTableStatus(DDLTask.java:2745)
	... 15 more

Digg into the implementation of JsonMetaDataFormatter, I think org.apache.hadoop.hive.ql.metadata.formatting.JsonMetaDataFormatter.putFileSystemsStats should handle the case if Table Path is NULL (like a view).

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