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Posted to issues@flink.apache.org by "Gary Yao (JIRA)" <ji...@apache.org> on 2018/12/13 13:08:00 UTC
[jira] [Closed] (FLINK-11122) SafetyNetCloseableRegistryTest fails
with ClassCastException
[ https://issues.apache.org/jira/browse/FLINK-11122?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Gary Yao closed FLINK-11122.
----------------------------
Resolution: Fixed
Fixed via e546069c300a51de47e6f752ff1b7491683b2356
> SafetyNetCloseableRegistryTest fails with ClassCastException
> ------------------------------------------------------------
>
> Key: FLINK-11122
> URL: https://issues.apache.org/jira/browse/FLINK-11122
> Project: Flink
> Issue Type: Sub-task
> Components: Tests
> Reporter: Gary Yao
> Assignee: Gary Yao
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.8.0
>
>
> When compiling and running {{SafetyNetCloseableRegistryTest}} with Java 9, some tests fail with a {{ClassCastException}}
> {noformat}
> java.lang.AssertionError: java.lang.ClassCastException: org.apache.flink.core.fs.local.LocalDataOutputStream cannot be cast to org.apache.flink.core.fs.WrappingProxyCloseable
> at org.apache.flink.core.fs.SafetyNetCloseableRegistry$PhantomDelegatingCloseableRef.<init>(SafetyNetCloseableRegistry.java:156)
> at org.apache.flink.core.fs.SafetyNetCloseableRegistry.doRegister(SafetyNetCloseableRegistry.java:99)
> at org.apache.flink.core.fs.SafetyNetCloseableRegistry.doRegister(SafetyNetCloseableRegistry.java:50)
> at org.apache.flink.util.AbstractCloseableRegistry.registerCloseable(AbstractCloseableRegistry.java:79)
> at org.apache.flink.core.fs.ClosingFSDataOutputStream.wrapSafe(ClosingFSDataOutputStream.java:101)
> at org.apache.flink.core.fs.SafetyNetWrapperFileSystem.create(SafetyNetWrapperFileSystem.java:127)
> at org.apache.flink.core.fs.SafetyNetCloseableRegistryTest$3.go(SafetyNetCloseableRegistryTest.java:120)
> at org.apache.flink.core.testutils.CheckedThread.run(CheckedThread.java:74)
> {noformat}
> This is due to the problematic signature in {{WrappingProxyUtil#stripProxy(T)}}, which expects a generic type {{T}} and also returns {{T}}.
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