[HBASE-22458] TestClassFinder fails when run on JDK11

• Type: Sub-task
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 3.0.0-alpha-1, 1.5.0, 2.3.0, 2.2.1, 2.1.6
• Component/s: java, test
• Labels: jdk11
• Assignee: Sakthi
• Reporter: Sakthi
• Created: 22/May/19 21:45
• Updated: 18/Nov/21 18:30
• Resolved: 13/Jun/19 14:37

Description

When built on Java 8 and unit tests are run on Java 11, TestClassFinder fails. A sample stacktrace:

java.lang.ClassCastException: class jdk.internal.loader.ClassLoaders$AppClassLoader cannot be cast to class java.net.URLClassLoader (jdk.internal.loader.ClassLoaders$AppClassLoader and java.net.URLClassLoader are in module java.base of loader 'bootstrap')
	at org.apache.hadoop.hbase.TestClassFinder.packageAndLoadJar(TestClassFinder.java:418)
	at org.apache.hadoop.hbase.TestClassFinder.createAndLoadJar(TestClassFinder.java:193)
	at org.apache.hadoop.hbase.TestClassFinder.testClassFinderCanFindClassesInDirs(TestClassFinder.java:233)

Issue Links

• links to: GitHub Pull Request #3852
• links to: GitHub Pull Request #3857