AHeise edited a comment on issue #11117: [FLINK-16115][filesystem] Make aliyun oss filesystem could work with plugin mechanism URL: https://github.com/apache/flink/pull/11117#issuecomment-587528015 @pnowojski , that's the thing, we wouldn't need to make any special changes to the plugins. Imho it was always broken. The issue is that `flink-hadoop-fs` is shaded into `flink-dist` (mostly because of MapR, but also for Kerberos). In flink-dist, ctor of `HadoopFileSystem` has this signature: `public HadoopFileSystem(org.apache.hadoop.fs.FileSystem hadoopFileSystem)` In relocated plugins, it is ``` public class org.apache.flink.runtime.fs.hdfs.HadoopFileSystem extends org.apache.flink.core.fs.FileSystem { public org.apache.flink.runtime.fs.hdfs.HadoopFileSystem(org.apache.flink.fs.shaded.hadoop3.org.apache.hadoop.fs.FileSystem); ``` The original [error](https://issues.apache.org/jira/browse/FLINK-16115) shows that the wrong HadoopFileSystem was loaded.
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