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Posted to dev@hive.apache.org by "xiepengjie (Jira)" <ji...@apache.org> on 2019/10/28 09:43:00 UTC
[jira] [Created] (HIVE-22412) StatsUtils throw NPE when explain
xiepengjie created HIVE-22412:
---------------------------------
Summary: 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
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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