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https://issues.apache.org/jira/browse/FLINK-11155?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chesnay Schepler closed FLINK-11155.
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Resolution: Fixed
Fix Version/s: 1.9.0
master: b1b2e3946eea41ce97d7c44f088dcf011b614e33
> HadoopFreeFsFactoryTest fails with ClassCastException
> -----------------------------------------------------
>
> Key: FLINK-11155
> URL: https://issues.apache.org/jira/browse/FLINK-11155
> Project: Flink
> Issue Type: Sub-task
> Components: FileSystems, Tests
> Affects Versions: 1.8.0
> Reporter: Gary Yao
> Assignee: Chesnay Schepler
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.9.0
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> {{HadoopFreeFsFactoryTest#testHadoopFactoryInstantiationWithoutHadoop}} fails
> with a ClassCastException because we try to cast the result of
> {{getClassLoader}} to {{URLClassLoader}} (also see
> https://stackoverflow.com/questions/46694600/java-9-compatability-issue-with-classloader-getsystemclassloader)
> {noformat}
> java.lang.ClassCastException:
> java.base/jdk.internal.loader.ClassLoaders$AppClassLoader cannot be cast to
> java.base/java.net.URLClassLoader
> at
> org.apache.flink.runtime.fs.hdfs.HadoopFreeFsFactoryTest.testHadoopFactoryInstantiationWithoutHadoop(HadoopFreeFsFactoryTest.java:46)
> 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)
> {noformat}
> One should also look for other instances where we cast to {{URLClassLoader}}.
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