[GitHub] [flink] liupc edited a comment on issue #10269: [FLINK-14876]Putting xercesImpl related classes into alwaysParentFirstLoaderPatterns to avoid conflicts

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liupc edited a comment on issue #10269: [FLINK-14876]Putting xercesImpl related classes into alwaysParentFirstLoaderPatterns to avoid conflicts
URL: https://github.com/apache/flink/pull/10269#issuecomment-557429329
 
 
   hi @aljoscha ,
   The hadoop version of our cluster is 2.6, so I changed the `hadoop.version` in the `flink-shaded-hadoop-2` project, and compiled it and then use some classes of it in my app. Because the `xerces` package was introduced into hadoop since 2.6.0(https://issues.apache.org/jira/browse/HDFS-4629), the classes of it was also packaged into my app jar, thus causing the failure. 
   I think if I don't depends on `flink-shaded-hadoop-2` but use hadoop deps directly there are risks that this `xercesImpl` would be introduced.
   

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