Siyao Meng created YARN-9512:
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Summary: [JDK11] TestAuxServices#testCustomizedAuxServiceClassPath
ClassCastException: class jdk.internal.loader.ClassLoaders$AppClassLoader
cannot be cast to class java.net.URLClassLoader
Key: YARN-9512
URL: https://issues.apache.org/jira/browse/YARN-9512
Project: Hadoop YARN
Issue Type: Bug
Components: test
Reporter: Siyao Meng
Found in maven JDK 11 unit test run. Compiled on JDK 8:
{code}
[ERROR]
testCustomizedAuxServiceClassPath(org.apache.hadoop.yarn.server.nodemanager.containermanager.TestAuxServices)
Time elapsed: 0.019 s <<< ERROR!java.lang.ClassCastException: class
jdk.internal.loader.ClassLoaders$AppClassLoader cannot be cast to class
java.net.URLClassLoader (jdk.internal.loader.ClassLoaders$AppClassLoader and
java.net.URLClassLoader are in module java.base of loader 'bootstrap')
at
org.apache.hadoop.yarn.server.nodemanager.containermanager.TestAuxServices$ServiceC.getMetaData(TestAuxServices.java:197)
at
org.apache.hadoop.yarn.server.nodemanager.containermanager.AuxServices.serviceStart(AuxServices.java:315)
at
org.apache.hadoop.service.AbstractService.start(AbstractService.java:194)
at
org.apache.hadoop.yarn.server.nodemanager.containermanager.TestAuxServices.testCustomizedAuxServiceClassPath(TestAuxServices.java:344)
at
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at
org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
at
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
at
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at
org.junit.internal.runners.statements.FailOnTimeout$StatementThread.run(FailOnTimeout.java:74)
{code}
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