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Posted to issues@hive.apache.org by "xiepengjie (Jira)" <ji...@apache.org> on 2019/10/28 09:43:00 UTC
[jira] [Assigned] (HIVE-22412) StatsUtils throw NPE when explain
[ https://issues.apache.org/jira/browse/HIVE-22412?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
xiepengjie reassigned HIVE-22412:
---------------------------------
> StatsUtils throw NPE when explain
> ---------------------------------
>
> Key: HIVE-22412
> URL: https://issues.apache.org/jira/browse/HIVE-22412
> Project: Hive
> Issue Type: Bug
> Components: HiveServer2
> Reporter: xiepengjie
> Assignee: xiepengjie
> Priority: Major
>
> The demo like this:
> {code:java}
> create table explain_npe ( c1 map<string, string> );
> explain select c1 from explain_npe where c1 is null;{code}
> error like:
> {code:java}
> 2019-10-10 09:11:52,670 ERROR ql.Driver (SessionState.java:printError(1068)) - FAILED: NullPointerException null
> java.lang.NullPointerException
> at org.apache.hadoop.hive.ql.stats.StatsUtils.getSizeOfMap(StatsUtils.java:1045)
> at org.apache.hadoop.hive.ql.stats.StatsUtils.getSizeOfComplexTypes(StatsUtils.java:931)
> at org.apache.hadoop.hive.ql.stats.StatsUtils.getAvgColLenOfVariableLengthTypes(StatsUtils.java:869)
> at org.apache.hadoop.hive.ql.stats.StatsUtils.estimateRowSizeFromSchema(StatsUtils.java:526)
> at org.apache.hadoop.hive.ql.stats.StatsUtils.collectStatistics(StatsUtils.java:223)
> at org.apache.hadoop.hive.ql.stats.StatsUtils.collectStatistics(StatsUtils.java:136)
> at org.apache.hadoop.hive.ql.stats.StatsUtils.collectStatistics(StatsUtils.java:124)
> at org.apache.hadoop.hive.ql.optimizer.stats.annotation.StatsRulesProcFactory$TableScanStatsRule.process(StatsRulesProcFactory.java:111)
> at org.apache.hadoop.hive.ql.lib.DefaultRuleDispatcher.dispatch(DefaultRuleDispatcher.java:90)
> at org.apache.hadoop.hive.ql.lib.DefaultGraphWalker.dispatchAndReturn(DefaultGraphWalker.java:95)
> at org.apache.hadoop.hive.ql.lib.DefaultGraphWalker.dispatch(DefaultGraphWalker.java:79)
> at org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:56)
> at org.apache.hadoop.hive.ql.lib.DefaultGraphWalker.startWalking(DefaultGraphWalker.java:110)
> at org.apache.hadoop.hive.ql.optimizer.stats.annotation.AnnotateWithStatistics.transform(AnnotateWithStatistics.java:78)
> at org.apache.hadoop.hive.ql.optimizer.Optimizer.optimize(Optimizer.java:192)
> at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.analyzeInternal(SemanticAnalyzer.java:10205)
> at org.apache.hadoop.hive.ql.parse.CalcitePlanner.analyzeInternal(CalcitePlanner.java:210)
> at org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:227)
> at org.apache.hadoop.hive.ql.parse.ExplainSemanticAnalyzer.analyzeInternal(ExplainSemanticAnalyzer.java:74)
> at org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:227)
> at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:425)
> at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:309)
> at org.apache.hadoop.hive.ql.Driver.compileInternal(Driver.java:1153)
> at org.apache.hadoop.hive.ql.Driver.runInternal(Driver.java:1206)
> at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1082)
> at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1072)
> at org.apache.hadoop.hive.cli.CliDriver.processLocalCmd(CliDriver.java:213)
> at org.apache.hadoop.hive.cli.CliDriver.processCmd(CliDriver.java:165)
> at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:376)
> at org.apache.hadoop.hive.cli.CliDriver.executeDriver(CliDriver.java:736)
> at org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:681)
> at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:621)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
> at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
> {code}
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