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Yangze Guo edited comment on FLINK-18205 at 6/12/20, 3:58 AM: -------------------------------------------------------------- FYI, I also found the same usage in org.apache.flink.yarn.Utils. I plan to mitigate the usage of reflection of that class in this ticket as well. was (Author: karmagyz): FYI, I also found the same usage in org.apache.flink.yarn.Utils. I plan to mitigate the usage of reflection in that class as well. > Mitigate the use of reflection in HadoopModule and Utils > -------------------------------------------------------- > > Key: FLINK-18205 > URL: https://issues.apache.org/jira/browse/FLINK-18205 > Project: Flink > Issue Type: Improvement > Components: Deployment / YARN > Reporter: Yangze Guo > Assignee: Yangze Guo > Priority: Major > Labels: pull-request-available > Fix For: 1.12.0 > > > Since Flink drops support for Hadoop 1 since FLINK-4895, it would be good to > mitigate the use of reflection in {{HadoopModule}}. To be specific, we could > make sure the following methods exist in Hadoop 2+: > - Credentials#getAllTokens > - Credentials#readTokenStorageFile > - UserGroupInformation#addCredentials -- This message was sent by Atlassian Jira (v8.3.4#803005)