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From "Aihua Xu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-10021) "Alter index rebuild" statements submitted through HiveServer2 fail when Sentry is enabled
Date Fri, 28 Aug 2015 15:10:47 GMT

     [ https://issues.apache.org/jira/browse/HIVE-10021?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Aihua Xu updated HIVE-10021:
----------------------------
    Attachment: HIVE-10021.2.patch

Rather than passing the userName around, use the one saved in the SessionState.

> "Alter index rebuild" statements submitted through HiveServer2 fail when Sentry is enabled
> ------------------------------------------------------------------------------------------
>
>                 Key: HIVE-10021
>                 URL: https://issues.apache.org/jira/browse/HIVE-10021
>             Project: Hive
>          Issue Type: Bug
>          Components: HiveServer2, Indexing
>    Affects Versions: 0.13.1, 2.0.0
>         Environment: CDH 5.3.2
>            Reporter: Richard Williams
>            Assignee: Aihua Xu
>         Attachments: HIVE-10021.2.patch, HIVE-10021.patch
>
>
> When HiveServer2 is configured to authorize submitted queries and statements through
Sentry, any attempt to issue an "alter index rebuild" statement fails with a SemanticException
caused by a NullPointerException. This occurs regardless of whether the index is a compact
or bitmap index. 
> The root cause of the problem appears to be the fact that the static createRootTask function
in org.apache.hadoop.hive.ql.optimizer.IndexUtils creates a new 
> org.apache.hadoop.hive.ql.Driver object to compile the index builder query, and this
new Driver object, unlike the one used by HiveServer2 to compile the submitted statement,
is used without having its "userName" field initialized with the submitting user's username.
Adding null checks to the Sentry code is insufficient to solve this problem, because Sentry
needs the userName to determine whether or not the submitting user should be able to execute
the index rebuild statement.
> Example stack trace from the HiveServer2 logs:
> {noformat}
> FAILED: NullPointerException null
> java.lang.NullPointerException
> 	at java.util.concurrent.ConcurrentHashMap.hash(ConcurrentHashMap.java:333)
> 	at java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:988)
> 	at org.apache.hadoop.security.Groups.getGroups(Groups.java:161)
> 	at org.apache.sentry.provider.common.HadoopGroupMappingService.getGroups(HadoopGroupMappingService.java:46)
> 	at org.apache.sentry.binding.hive.authz.HiveAuthzBinding.getGroups(HiveAuthzBinding.java:370)
> 	at org.apache.sentry.binding.hive.HiveAuthzBindingHook.postAnalyze(HiveAuthzBindingHook.java:314)
> 	at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:440)
> 	at org.apache.hadoop.hive.ql.optimizer.IndexUtils.createRootTask(IndexUtils.java:258)
> 	at org.apache.hadoop.hive.ql.index.compact.CompactIndexHandler.getIndexBuilderMapRedTask(CompactIndexHandler.java:149)
> 	at org.apache.hadoop.hive.ql.index.TableBasedIndexHandler.generateIndexBuildTaskList(TableBasedIndexHandler.java:67)
> 	at org.apache.hadoop.hive.ql.parse.DDLSemanticAnalyzer.getIndexBuilderMapRed(DDLSemanticAnalyzer.java:1171)
> 	at org.apache.hadoop.hive.ql.parse.DDLSemanticAnalyzer.analyzeAlterIndexRebuild(DDLSemanticAnalyzer.java:1117)
> 	at org.apache.hadoop.hive.ql.parse.DDLSemanticAnalyzer.analyzeInternal(DDLSemanticAnalyzer.java:410)
> 	at org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:204)
> 	at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:437)
> 	at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:335)
> 	at org.apache.hadoop.hive.ql.Driver.compileInternal(Driver.java:1026)
> 	at org.apache.hadoop.hive.ql.Driver.compileAndRespond(Driver.java:1019)
> 	at org.apache.hive.service.cli.operation.SQLOperation.prepare(SQLOperation.java:100)
> 	at org.apache.hive.service.cli.operation.SQLOperation.run(SQLOperation.java:173)
> 	at org.apache.hive.service.cli.session.HiveSessionImpl.runOperationWithLogCapture(HiveSessionImpl.java:715)
> 	at org.apache.hive.service.cli.session.HiveSessionImpl.executeStatementInternal(HiveSessionImpl.java:370)
> 	at org.apache.hive.service.cli.session.HiveSessionImpl.executeStatementAsync(HiveSessionImpl.java:357)
> 	at org.apache.hive.service.cli.CLIService.executeStatementAsync(CLIService.java:238)
> 	at org.apache.hive.service.cli.thrift.ThriftCLIService.ExecuteStatement(ThriftCLIService.java:393)
> 	at org.apache.hive.service.cli.thrift.TCLIService$Processor$ExecuteStatement.getResult(TCLIService.java:1373)
> 	at org.apache.hive.service.cli.thrift.TCLIService$Processor$ExecuteStatement.getResult(TCLIService.java:1358)
> 	at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:39)
> 	at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:39)
> 	at org.apache.thrift.server.TServlet.doPost(TServlet.java:83)
> 	at org.apache.hive.service.cli.thrift.ThriftHttpServlet.doPost(ThriftHttpServlet.java:99)
> 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
> 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
> 	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:565)
> 	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:479)
> 	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:225)
> 	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1031)
> 	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:406)
> 	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:186)
> 	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:965)
> 	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:117)
> 	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:111)
> 	at org.eclipse.jetty.server.Server.handle(Server.java:345)
> 	at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:449)
> 	at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.content(AbstractHttpConnection.java:925)
> 	at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:857)
> 	at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235)
> 	at org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:76)
> 	at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:609)
> 	at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:45)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> 	at java.lang.Thread.run(Thread.java:745)
> {noformat}



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