[jira] [Created] (NIFI-7741) Apache NiFi build fails with Java 8 OpenJ9 JVM

["Joe Witt (Jira)" <ji...@apache.org>]

Joe Witt created NIFI-7741:
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             Summary: Apache NiFi build fails with Java 8 OpenJ9 JVM
                 Key: NIFI-7741
                 URL: https://issues.apache.org/jira/browse/NIFI-7741
             Project: Apache NiFi
          Issue Type: Improvement
         Environment: Apache Maven 3.6.3 (cecedd343002696d0abb50b32b541b8a6ba2883f)
Maven home: /usr/local/Cellar/maven/3.6.3_1/libexec
Java version: 1.8.0_265, vendor: Eclipse OpenJ9, runtime: /Library/Java/JavaVirtualMachines/adoptopenjdk-8-openj9.jdk/Contents/Home/jre
Default locale: en_US, platform encoding: UTF-8
OS name: "mac os x", version: "10.15.6", arch: "x86_64", family: "mac"
            Reporter: Joe Witt


This has also been verified on a linux installation of openj9 as well.

[ERROR] Tests run: 10, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 0.037 s <<< FAILURE! - in org.apache.nifi.util.ReflectionUtilsTest
[ERROR] validateFailureWithWrongArgumentType(org.apache.nifi.util.ReflectionUtilsTest)  Time elapsed: 0.007 s  <<< ERROR!
java.lang.Exception: Unexpected exception, expected<java.lang.IllegalArgumentException> but was<java.lang.reflect.InvocationTargetException>
	at org.apache.nifi.util.ReflectionUtilsTest.validateFailureWithWrongArgumentType(ReflectionUtilsTest.java:71)
Caused by: java.lang.ClassCastException: java.lang.String incompatible with java.lang.Integer
	at org.apache.nifi.util.ReflectionUtilsTest.validateFailureWithWrongArgumentType(ReflectionUtilsTest.java:71)

[~markap14] Looked into it and it appears the OpenJ9 JVM throws a ClassCastException instead of an IllegalArgumentException as is supposed to be the case as per Javadocs of Java.  Unclear if this is a known/filed JDK bug for OpenJ9.

I have another test which fails in this configuration as well on Linux.  Will share that information shortly.



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