Akira Ajisaka created HDFS-15580:
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Summary: [JDK 12] DFSTestUtil#addDataNodeLayoutVersion fails
Key: HDFS-15580
URL: https://issues.apache.org/jira/browse/HDFS-15580
Project: Hadoop HDFS
Issue Type: Bug
Components: test
Reporter: Akira Ajisaka
DFSTestUtil#addDataNodeLayoutVersion uses reflection to update final variables,
however, it is not allowed in Java 12+. Please see
https://bugs.openjdk.java.net/browse/JDK-8210522 for the detail.
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[ERROR]
testWithLayoutChangeAndFinalize(org.apache.hadoop.hdfs.server.datanode.TestDataNodeRollingUpgrade)
Time elapsed: 11.159 s <<< ERROR!
java.lang.NoSuchFieldException: modifiers
at java.base/java.lang.Class.getDeclaredField(Class.java:2569)
at
org.apache.hadoop.hdfs.DFSTestUtil.addDataNodeLayoutVersion(DFSTestUtil.java:1961)
at
org.apache.hadoop.hdfs.server.datanode.TestDataNodeRollingUpgrade.testWithLayoutChangeAndFinalize(TestDataNodeRollingUpgrade.java:364)
at
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:64)
at
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:564)
at
org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
at
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
at
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at
org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:298)
at
org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:292)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
at java.base/java.lang.Thread.run(Thread.java:832)
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