[HIVEMALL-165] array_remove UDF throws exception when the first argument is null

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.6.0
• Assignee: Makoto Yui
• Reporter: Makoto Yui
• Created: 04/Jan/18 06:40
• Updated: 25/Nov/19 16:54
• Resolved: 25/Nov/19 16:54

Description

The following error caused where the first argument is null.

Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Unable to execute method public java.util.List hivemall.tools.array.ArrayRemoveUDF.evaluate(java.util.List,org.apache.hadoop.io.Text)  on object hivemall.tools.array.ArrayRemoveUDF@54e2fe of class hivemall.tools.array.ArrayRemoveUDF with arguments {null, :org.apache.hadoop.io.Text} of size 2
    at org.apache.hadoop.hive.ql.exec.FunctionRegistry.invoke(FunctionRegistry.java:1251)
    at org.apache.hadoop.hive.ql.udf.generic.GenericUDFBridge.evaluate(GenericUDFBridge.java:182)
    at org.apache.hadoop.hive.ql.exec.ExprNodeGenericFuncEvaluator._evaluate(ExprNodeGenericFuncEvaluator.java:166)
    at org.apache.hadoop.hive.ql.exec.ExprNodeEvaluator.evaluate(ExprNodeEvaluator.java:77)
    at org.apache.hadoop.hive.ql.exec.ExprNodeGenericFuncEvaluator$DeferredExprObject.get(ExprNodeGenericFuncEvaluator.java:77)
    at org.apache.hadoop.hive.ql.udf.generic.GenericUDFBridge.evaluate(GenericUDFBridge.java:178)
    at org.apache.hadoop.hive.ql.exec.ExprNodeGenericFuncEvaluator._evaluate(ExprNodeGenericFuncEvaluator.java:166)
    at org.apache.hadoop.hive.ql.exec.ExprNodeEvaluator.evaluate(ExprNodeEvaluator.java:77)
    at org.apache.hadoop.hive.ql.exec.ExprNodeEvaluator.evaluate(ExprNodeEvaluator.java:65)
    at org.apache.hadoop.hive.ql.exec.SelectOperator.processOp(SelectOperator.java:79)
    at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:793)
    at org.apache.hadoop.hive.ql.exec.TableScanOperator.processOp(TableScanOperator.java:92)
    at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:793)
    at org.apache.hadoop.hive.ql.exec.MapOperator.process(MapOperator.java:539)
    ... 9 more

Issue Links

• links to: GitHub Pull Request #217