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https://issues.apache.org/jira/browse/FLINK-15378?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17003176#comment-17003176
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Yang Wang commented on FLINK-15378:
-----------------------------------
Thanks for creating this ticket.
>> For request 1
AFAIK, we could not support using hadoop FileSystem as a plugin. Because
flink-shaded-hadoop has been put in lib directory and will be added to
framework classpath. Also flink will always load the "org.apache.hadoop" from
parent classloader. You could check
{{classloader.parent-first-patterns.default}} config options.
>> For request 2
So if you want to use multiple hdfs cluster in a flink cluster, maybe plugin
mechanism is not a good choice. You could ship an aggregated hdfs-site.xml to
support multiple hdfs cluster.
> StreamFileSystemSink supported mutil hdfs plugins.
> --------------------------------------------------
>
> Key: FLINK-15378
> URL: https://issues.apache.org/jira/browse/FLINK-15378
> Project: Flink
> Issue Type: Improvement
> Components: API / Core
> Affects Versions: 1.9.2, 1.11.0
> Reporter: ouyangwulin
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.11.0
>
> Attachments: jobmananger.log
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> [As report from
> maillist|[https://lists.apache.org/thread.html/7a6b1e341bde0ef632a82f8d46c9c93da358244b6bac0d8d544d11cb%40%3Cuser.flink.apache.org%3E]]
> Request 1: FileSystem plugins not effect the default yarn dependecies.
> Request 2: StreamFileSystemSink supported mutil hdfs plugins under the same
> schema
> As Problem describe :
> when I put a ' filesystem plugin to FLINK_HOME/pulgins in flink', and the
> clas{color:#172b4d}s '*com.filesystem.plugin.FileSystemFactoryEnhance*'
> implements '*FileSystemFactory*', when jm start, It will call
> FileSystem.initialize(configuration,
> PluginUtils.createPluginManagerFromRootFolder(configuration)) to load
> factories to map FileSystem#**{color}FS_FACTORIES, and the key is only
> schema. When tm/jm use local hadoop conf A , the user code use hadoop conf
> Bin 'filesystem plugin', Conf A and Conf B is used to different hadoop
> cluster. and The Jm will start failed, beacuse of the blodserver in JM will
> load Conf B to get filesystem. the full log add appendix.
>
> AS reslove method:
> use schema and spec identify as key for ' FileSystem#**FS_FACTORIES '
>
>
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