[TAJO-1596] TestPythonFunctions occasionally fails

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.11.0
• Component/s: Function/UDF
• Assignee: Jinho Kim
• Reporter: Hyunsik Choi
• Created: 09/May/15 10:00
• Updated: 21/Aug/15 17:52
• Resolved: 21/Aug/15 03:39

Description

Here is failure test.
https://travis-ci.org/apache/tajo/builds/61730967

stacktrace:

Tests run: 2, Failures: 0, Errors: 2, Skipped: 0, Time elapsed: 1.209 sec <<< FAILURE! - in org.apache.tajo.engine.function.TestPythonFunctions
testNestedFunctions(org.apache.tajo.engine.function.TestPythonFunctions)  Time elapsed: 0.151 sec  <<< ERROR!
java.lang.RuntimeException: Problem getting output
	at org.apache.tajo.plan.function.python.PythonScriptEngine.callScalarFunc(PythonScriptEngine.java:479)
	at org.apache.tajo.plan.function.PythonFunctionInvoke.eval(PythonFunctionInvoke.java:50)
	at org.apache.tajo.plan.expr.GeneralFunctionEval.eval(GeneralFunctionEval.java:61)
	at org.apache.tajo.plan.exprrewrite.rules.ConstantFolding.visitFuncCall(ConstantFolding.java:101)
	at org.apache.tajo.plan.exprrewrite.rules.ConstantFolding.visitFuncCall(ConstantFolding.java:32)
	at org.apache.tajo.plan.expr.SimpleEvalNodeVisitor.visit(SimpleEvalNodeVisitor.java:69)
	at org.apache.tajo.plan.exprrewrite.rules.ConstantFolding.visitUnaryEval(ConstantFolding.java:68)
	at org.apache.tajo.plan.exprrewrite.rules.ConstantFolding.visitUnaryEval(ConstantFolding.java:32)
	at org.apache.tajo.plan.expr.SimpleEvalNodeVisitor.visit(SimpleEvalNodeVisitor.java:38)
	at org.apache.tajo.plan.exprrewrite.rules.ConstantFolding.visitFuncCall(ConstantFolding.java:88)
	at org.apache.tajo.plan.exprrewrite.rules.ConstantFolding.visitFuncCall(ConstantFolding.java:32)
	at org.apache.tajo.plan.expr.SimpleEvalNodeVisitor.visit(SimpleEvalNodeVisitor.java:69)
	at org.apache.tajo.plan.exprrewrite.rules.ConstantFolding.optimize(ConstantFolding.java:40)
	at org.apache.tajo.plan.exprrewrite.EvalTreeOptimizer.optimize(EvalTreeOptimizer.java:75)
	at org.apache.tajo.plan.ExprAnnotator.createEvalNode(ExprAnnotator.java:91)
	at org.apache.tajo.plan.LogicalPlanner.buildPlanForNoneFromStatement(LogicalPlanner.java:433)
	at org.apache.tajo.plan.LogicalPlanner.visitProjection(LogicalPlanner.java:230)
	at org.apache.tajo.plan.LogicalPlanner.visitProjection(LogicalPlanner.java:66)
	at org.apache.tajo.plan.algebra.BaseAlgebraVisitor.visit(BaseAlgebraVisitor.java:59)
	at org.apache.tajo.plan.LogicalPlanner.createPlan(LogicalPlanner.java:148)
	at org.apache.tajo.engine.eval.ExprTestBase.getRawTargets(ExprTestBase.java:151)
	at org.apache.tajo.engine.eval.ExprTestBase.testEval(ExprTestBase.java:277)
	at org.apache.tajo.engine.eval.ExprTestBase.testEval(ExprTestBase.java:202)
	at org.apache.tajo.engine.eval.ExprTestBase.testSimpleEval(ExprTestBase.java:182)
	at org.apache.tajo.engine.function.TestPythonFunctions.testNestedFunctions(TestPythonFunctions.java:41)
testFunctions(org.apache.tajo.engine.function.TestPythonFunctions)  Time elapsed: 0.063 sec  <<< ERROR!
java.lang.RuntimeException: Problem getting output
	at org.apache.tajo.plan.function.python.PythonScriptEngine.callScalarFunc(PythonScriptEngine.java:479)
	at org.apache.tajo.plan.function.PythonFunctionInvoke.eval(PythonFunctionInvoke.java:50)
	at org.apache.tajo.plan.expr.GeneralFunctionEval.eval(GeneralFunctionEval.java:61)
	at org.apache.tajo.plan.exprrewrite.rules.ConstantFolding.visitFuncCall(ConstantFolding.java:101)
	at org.apache.tajo.plan.exprrewrite.rules.ConstantFolding.visitFuncCall(ConstantFolding.java:32)
	at org.apache.tajo.plan.expr.SimpleEvalNodeVisitor.visit(SimpleEvalNodeVisitor.java:69)
	at org.apache.tajo.plan.exprrewrite.rules.ConstantFolding.optimize(ConstantFolding.java:40)
	at org.apache.tajo.plan.exprrewrite.EvalTreeOptimizer.optimize(EvalTreeOptimizer.java:75)
	at org.apache.tajo.plan.ExprAnnotator.createEvalNode(ExprAnnotator.java:91)
	at org.apache.tajo.plan.LogicalPlanner.buildPlanForNoneFromStatement(LogicalPlanner.java:433)
	at org.apache.tajo.plan.LogicalPlanner.visitProjection(LogicalPlanner.java:230)
	at org.apache.tajo.plan.LogicalPlanner.visitProjection(LogicalPlanner.java:66)
	at org.apache.tajo.plan.algebra.BaseAlgebraVisitor.visit(BaseAlgebraVisitor.java:59)
	at org.apache.tajo.plan.LogicalPlanner.createPlan(LogicalPlanner.java:148)
	at org.apache.tajo.engine.eval.ExprTestBase.getRawTargets(ExprTestBase.java:151)
	at org.apache.tajo.engine.eval.ExprTestBase.testEval(ExprTestBase.java:277)
	at org.apache.tajo.engine.eval.ExprTestBase.testEval(ExprTestBase.java:202)
	at org.apache.tajo.engine.eval.ExprTestBase.testSimpleEval(ExprTestBase.java:182)
	at org.apache.tajo.engine.function.TestPythonFunctions.testFunctions(TestPythonFunctions.java:30)
Running org.apache.tajo.engine.function.TestBuiltinFunctions