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(Updated Sept. 18, 2014, 5:05 p.m.) Review request for hive. Repository: hive-git Description ------- Steps to reproduce the issue: Save the above query as HIVE-8169.hql, run it by >python $HIVE_HOME/hcatalog/bin/hcat.py -f HIVE-8169.hql, it pops up FAILED: SemanticException org.apache.hadoop.hive.ql.parse.SemanticException: java.lang.Null. drop table if exists hcat_altertable_16; create table hcat_altertable_16(a int, b string) stored as textfile; show table extended like hcat_altertable_16; alter table hcat_altertable_16 set location 'hdfs:///tmp/table_has_moved/'; show table extended like hcat_altertable_16; Stack trace: org.apache.hadoop.hive.ql.parse.SemanticException: org.apache.hadoop.hive.ql.parse.SemanticException: java.lang.NullPointerException at org.apache.hive.hcatalog.cli.SemanticAnalysis.HCatSemanticAnalyzer.postAnalyze(HCatSemanticAnalyzer.java:264) at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:406) at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:299) at org.apache.hadoop.hive.ql.Driver.compileInternal(Driver.java:993) at org.apache.hadoop.hive.ql.Driver.runInternal(Driver.java:1063) at org.apache.hadoop.hive.ql.Driver.run(Driver.java:930) at org.apache.hadoop.hive.ql.Driver.run(Driver.java:920) at org.apache.hive.hcatalog.cli.HCatDriver.run(HCatDriver.java:43) at org.apache.hive.hcatalog.cli.HCatCli.processCmd(HCatCli.java:291) at org.apache.hive.hcatalog.cli.HCatCli.processLine(HCatCli.java:245) at org.apache.hive.hcatalog.cli.HCatCli.processFile(HCatCli.java:264) at org.apache.hive.hcatalog.cli.HCatCli.main(HCatCli.java:188) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.hadoop.util.RunJar.run(RunJar.java:221) at org.apache.hadoop.util.RunJar.main(RunJar.java:136) Caused by: org.apache.hadoop.hive.ql.parse.SemanticException: java.lang.NullPointerException at org.apache.hive.hcatalog.cli.SemanticAnalysis.HCatSemanticAnalyzerBase.authorizeDDL(HCatSemanticAnalyzerBase.java:114) at org.apache.hive.hcatalog.cli.SemanticAnalysis.HCatSemanticAnalyzer.postAnalyze(HCatSemanticAnalyzer.java:259) ... 17 more Caused by: java.lang.NullPointerException at org.apache.hadoop.hive.ql.security.authorization.StorageBasedAuthorizationProvider.authorize(StorageBasedAuthorizationProvider.java:178) at org.apache.hive.hcatalog.cli.SemanticAnalysis.HCatSemanticAnalyzerBase.authorize(HCatSemanticAnalyzerBase.java:161) at org.apache.hive.hcatalog.cli.SemanticAnalysis.HCatSemanticAnalyzer.authorizeDDLWork(HCatSemanticAnalyzer.java:381) at org.apache.hive.hcatalog.cli.SemanticAnalysis.HCatSemanticAnalyzerBase.authorizeDDL(HCatSemanticAnalyzerBase.java:105) ... 18 more Diffs ----- hcatalog/core/src/main/java/org/apache/hive/hcatalog/cli/SemanticAnalysis/HCatSemanticAnalyzer.java 6c54c05 Diff: https://reviews.apache.org/r/25781/diff/ Testing ------- Thanks, XIAOBING ZHOU