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Wei-Chiu Chuang commented on HADOOP-17049: ------------------------------------------ IIRC jakarta.activation-api was introduced after jackson-databind 2.10 update, and according to the commit log in jackson-databind, it was required to support JDK11. No idea whether that's true or not. > javax.activation-api and jakarta.activation-api define overlapping classes > -------------------------------------------------------------------------- > > Key: HADOOP-17049 > URL: https://issues.apache.org/jira/browse/HADOOP-17049 > Project: Hadoop Common > Issue Type: Bug > Components: build > Reporter: Akira Ajisaka > Priority: Major > > There are some warnings in hadoop-client-runtime module. > {noformat} > [WARNING] javax.activation-api-1.2.0.jar, jakarta.activation-api-1.2.1.jar > define 31 overlapping classes: > [WARNING] - javax.activation.CommandInfo$Beans$1 > [WARNING] - javax.activation.ObjectDataContentHandler > [WARNING] - javax.activation.DataContentHandlerFactory > [WARNING] - javax.activation.DataContentHandler > [WARNING] - javax.activation.CommandObject > [WARNING] - javax.activation.SecuritySupport$2 > [WARNING] - javax.activation.FileTypeMap > [WARNING] - javax.activation.CommandInfo > [WARNING] - javax.activation.MailcapCommandMap > [WARNING] - javax.activation.DataHandler$1 > [WARNING] - 21 more... > {noformat} -- This message was sent by Atlassian Jira (v8.3.4#803005) --------------------------------------------------------------------- To unsubscribe, e-mail: common-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: common-issues-h...@hadoop.apache.org