[HIVE-8789] UT: fix udf_context_aware

• Type: Sub-task
• Status: Resolved
• Priority: Minor
• Resolution: Won't Fix
• Affects Version/s: spark-branch
• Component/s: Tests
• Assignee: Aihua Xu
• Reporter: Thomas Friedrich
• Created: 07/Nov/14 23:19
• Updated: 22/Aug/17 20:52
• Resolved: 22/Aug/17 20:52

Description

The test udf_context_aware fails with a NPE here:

Thread [main] (Suspended (exception NullPointerException))
DummyContextUDF.evaluate(GenericUDF$DeferredObject[]) line: 42
ExprNodeGenericFuncEvaluator._evaluate(Object, int) line: 169
ExprNodeGenericFuncEvaluator(ExprNodeEvaluator<T>).evaluate(Object, int) line: 77
ExprNodeGenericFuncEvaluator(ExprNodeEvaluator<T>).evaluate(Object) line: 65
SelectOperator.processOp(Object, int) line: 77
TableScanOperator(Operator<T>).forward(Object, ObjectInspector) line: 815
TableScanOperator.processOp(Object, int) line: 95
FetchOperator.pushRow(InspectableObject) line: 577
FetchOperator.pushRow() line: 569
FetchTask.fetch(List) line: 138
Driver.getResults(List) line: 1661
CliDriver.processLocalCmd(String, CommandProcessor, CliSessionState) line: 267
CliDriver.processCmd(String) line: 199
CliDriver.processLine(String, boolean) line: 410
CliDriver.processLine(String) line: 345
QTestUtil.executeClient(String) line: 832
TestSparkCliDriver.runTest(String, String, String) line: 136
TestSparkCliDriver.testCliDriver_udf_context_aware() line: 120
NativeMethodAccessorImpl.invoke0(Method, Object, Object[]) line: not available [native method]
NativeMethodAccessorImpl.invoke(Object, Object[]) line: 57
DelegatingMethodAccessorImpl.invoke(Object, Object[]) line: 43
Method.invoke(Object, Object...) line: 606
TestSparkCliDriver(TestCase).runTest() line: 176
TestSparkCliDriver(TestCase).runBare() line: 141
TestResult$1.protect() line: 122
TestResult.runProtected(Test, Protectable) line: 142
TestResult.run(TestCase) line: 125
TestSparkCliDriver(TestCase).run(TestResult) line: 129
TestSuite.runTest(Test, TestResult) line: 255
TestSuite.run(TestResult) line: 250
SuiteMethod(JUnit38ClassRunner).run(RunNotifier) line: 84
JUnit4Provider.execute(Class<?>, RunNotifier, String[]) line: 264
JUnit4Provider.executeTestSet(Class<?>, RunListener, RunNotifier) line: 153
JUnit4Provider.invoke(Object) line: 124
ForkedBooter.invokeProviderInSameClassLoader(Object, Object, ProviderConfiguration, boolean, StartupConfiguration, boolean) line: 200
ForkedBooter.runSuitesInProcess(Object, StartupConfiguration, ProviderConfiguration, PrintStream) line: 153
ForkedBooter.main(String[]) line: 103

While debugging I found that the MapredContext object is null here:
Reporter reporter = context.getReporter();