Pierre Villard created NIFI-5633:
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Summary: EL - allDelineatedValues can throw
ArrayIndexOutOfBoundsException
Key: NIFI-5633
URL: https://issues.apache.org/jira/browse/NIFI-5633
Project: Apache NiFi
Issue Type: Bug
Components: Extensions
Reporter: Pierre Villard
Assignee: Pierre Villard
When running this unit test:
{code:java}
@Test
public void testAllDelineatedValuesCount() {
final Map<String, String> attributes = new HashMap<>();
final String query = "${allDelineatedValues('${test}', '/'):count()}";
attributes.put("test", "/");
assertEquals(ResultType.WHOLE_NUMBER, Query.getResultType(query));
assertEquals("0", Query.evaluateExpressions(query, attributes, null));
}
{code}
This will throw:
{noformat}
java.lang.ArrayIndexOutOfBoundsException: 0
at
org.apache.nifi.attribute.expression.language.evaluation.selection.DelineatedAttributeEvaluator.evaluate(DelineatedAttributeEvaluator.java:65)
at
org.apache.nifi.attribute.expression.language.evaluation.reduce.CountEvaluator.evaluate(CountEvaluator.java:38)
at
org.apache.nifi.attribute.expression.language.evaluation.selection.MappingEvaluator.evaluate(MappingEvaluator.java:38)
at
org.apache.nifi.attribute.expression.language.Query.evaluate(Query.java:363)
at
org.apache.nifi.attribute.expression.language.Query.evaluateExpression(Query.java:204)
at
org.apache.nifi.attribute.expression.language.CompiledExpression.evaluate(CompiledExpression.java:58)
at
org.apache.nifi.attribute.expression.language.StandardPreparedQuery.evaluateExpressions(StandardPreparedQuery.java:51)
at
org.apache.nifi.attribute.expression.language.StandardPreparedQuery.evaluateExpressions(StandardPreparedQuery.java:64)
at
org.apache.nifi.attribute.expression.language.Query.evaluateExpressions(Query.java:223)
at
org.apache.nifi.attribute.expression.language.TestQuery.testAllDelineatedValuesCount(TestQuery.java:1033)
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.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
at
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
at
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at
org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86)
at
org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:675)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)
{noformat}
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