TisonKun opened a new pull request #839: ZOOKEEPER-3290: Throw detailed KeeperException when a transaction failed URL: https://github.com/apache/zookeeper/pull/839 Assume we execute the follow statements ```java ZooKeeper zk = ...; zk.multi(Arrays.asList( Op.check(path1, -1), Op.delete(path2, -1))); ``` If path1 or path2 didn't exist, we got an exception KeeperException.NoNodeException without which of them doesn't exist. The reason is when we executed PrepRequestProccessor#pRequest in PrepRequestProccessor#L804, it processed KeeperException.NoNodeException which contained path info. However, we generated ErrorTxn which only contains err field represented error code and lost path info. I try a resolution that extend ErrorTxn to contain path info.
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