[jira] [Created] (FLINK-11920) EnumValueSerializerUpgradeTest fails on Java 9

[Shang Yuanchun (Jira)]

Chesnay Schepler created FLINK-11920:
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             Summary: EnumValueSerializerUpgradeTest fails on Java 9
                 Key: FLINK-11920
                 URL: https://issues.apache.org/jira/browse/FLINK-11920
             Project: Flink
          Issue Type: Bug
          Components: API / Type Serialization System
    Affects Versions: 1.9.0
            Reporter: Chesnay Schepler


The \{{EnumValueSerializerUpgradeTest}} fails on Java 9 since it relies on {{

Thread.currentThread().getContextClassLoader}} to return a {{URLClassLoader}}, which is no longer the case on java9+.

 
{code:java}
java.lang.IllegalStateException: Not possible to extract URLs from class loader jdk.internal.loader.ClassLoaders$AppClassLoader@3b764bce.

    at org.apache.flink.api.scala.typeutils.EnumValueSerializerUpgradeTest$.compileScalaFile(EnumValueSerializerUpgradeTest.scala:200)
    at org.apache.flink.api.scala.typeutils.EnumValueSerializerUpgradeTest$.compileAndLoadEnum(EnumValueSerializerUpgradeTest.scala:163)
    at org.apache.flink.api.scala.typeutils.EnumValueSerializerUpgradeTest.checkCompatibility(EnumValueSerializerUpgradeTest.scala:128)
    at org.apache.flink.api.scala.typeutils.EnumValueSerializerUpgradeTest.checkIdenticalEnums(EnumValueSerializerUpgradeTest.scala:87)
    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: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.rules.ExternalResource$1.evaluate(ExternalResource.java:48)
    at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:55)
    at org.junit.rules.RunRules.evaluate(RunRules.java:20)
    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$2.evaluate(ParentRunner.java:268)
    at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
    at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
    at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
    at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47)
    at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242)
    at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70){code}



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