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From "Rahul Palamuttam (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-8082) generateErrorMessage doesn't handle null ast properly
Date Mon, 15 Sep 2014 00:30:34 GMT

     [ https://issues.apache.org/jira/browse/HIVE-8082?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Rahul Palamuttam updated HIVE-8082:
-----------------------------------
    Attachment: HIVE-8082.1.patch

> generateErrorMessage doesn't handle null ast properly
> -----------------------------------------------------
>
>                 Key: HIVE-8082
>                 URL: https://issues.apache.org/jira/browse/HIVE-8082
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 0.11.0, 0.12.0, 0.13.0, 0.13.1
>         Environment: anything
>            Reporter: Darren Yin
>            Priority: Minor
>              Labels: newbie, patch
>         Attachments: HIVE-8082.1.patch
>
>
> in SemanticAnalzyer.genUnionPlan, tabref can be null, and if then one of the "throw new
SemanticException" lines gets called, generateErrorMessage will error out with a NullPointerException
when ast.getLine() is called. The fix is just to add a check for if (ast == null)
> example stack trace:
> {noformat}
> 2014-09-12 14:02:3014/09/12 21:02:30 ERROR ql.Driver: FAILED: NullPointerException null
> 2014-09-12 14:02:30java.lang.NullPointerException
> 2014-09-12 14:02:30	at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.generateErrorMessage(SemanticAnalyzer.java:484)
> 2014-09-12 14:02:30	at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.genUnionPlan(SemanticAnalyzer.java:7411)
> 2014-09-12 14:02:30	at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.genPlan(SemanticAnalyzer.java:7970)
> 2014-09-12 14:02:30	at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.genPlan(SemanticAnalyzer.java:7985)
> 2014-09-12 14:02:30	at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.analyzeInternal(SemanticAnalyzer.java:8693)
> 2014-09-12 14:02:30	at org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:278)
> 2014-09-12 14:02:30	at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:458)
> 2014-09-12 14:02:30	at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:407)
> 2014-09-12 14:02:30	at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:339)
> 2014-09-12 14:02:30	at org.apache.hadoop.hive.ql.Driver.run(Driver.java:969)
> 2014-09-12 14:02:30	at org.apache.hadoop.hive.cli.CliDriver.processLocalCmd(CliDriver.java:261)
> 2014-09-12 14:02:30	at org.apache.hadoop.hive.cli.CliDriver.processCmd(CliDriver.java:218)
> 2014-09-12 14:02:30	at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:421)
> 2014-09-12 14:02:30	at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:356)
> 2014-09-12 14:02:30	at org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:714)
> 2014-09-12 14:02:30	at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:622)
> 2014-09-12 14:02:30	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 2014-09-12 14:02:30	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 2014-09-12 14:02:30	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 2014-09-12 14:02:30	at java.lang.reflect.Method.invoke(Method.java:597)
> 2014-09-12 14:02:30	at org.apache.hadoop.util.RunJar.main(RunJar.java:208)
> {noformat}



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