allways fail when a task instance submit multiple yarn application

Question

ds will write all yarn app_ids at table t_ds_task_instance, app_link column. If is over 255 charters(limit of this varchar column) , mysql driver will throw com.mysql.cj.jdbc.exceptions.MysqlDataTruncation: Data truncation: Data too long for column 'app_link' at row 1 And treat this task instance as a failure

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Answer 1

You should alter app_link's type to longtext，then work well

this bug have fix in dev. pr: 91ecc54