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https://issues.apache.org/jira/browse/IOTDB-4878?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17636975#comment-17636975
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liaolanyu commented on IOTDB-4878:
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Trigger 实现中指定了 44 节点作为写回节点。移除 confignode 和 datanode 后，stateful trigger
确实恢复成功，并且执行逻辑正常，但是由于目标写回节点已经宕机，所以触发失败。
> [trigger]remove the master node of cluster, stateful trigger Meet trigger
> error
> -------------------------------------------------------------------------------
>
> Key: IOTDB-4878
> URL: https://issues.apache.org/jira/browse/IOTDB-4878
> Project: Apache IoTDB
> Issue Type: Bug
> Affects Versions: 0.14.0-SNAPSHOT
> Reporter: changxue
> Assignee: liaolanyu
> Priority: Major
> Attachments: StatefulTriggerTest.java, capacity_test.result,
> capacity_test.run, logs.tar.gz, screenshot-1.png
>
>
> [trigger]remove the master node of cluster, stateful trigger Meet trigger
> error
> environment:
> 3C3D cluster Nov.8th source codes
> reproduction:
> 1. start the cluster successfully
> 2. 运行 capacity_test.run 得到 capacity_test.result结果（都正常）
> 3. remove-confignode.sh 172.20.70.44:22277
> 4. remove-datanode.sh 172.20.70.44:6667
> 5. 运行insert
> {code}
> IoTDB> insert into root.sg1.d1(time, s1) aligned values
> (3,80),(4,100),(5,20),(6,33),(7,109),(8,120)(9,85),(10,90);
> Msg: 355: Meet trigger error before/after the insertion, the insertion itself
> is completed.
> IoTDB> show cluster;
> +------+----------+-------+---------------+------------+
> |NodeID| NodeType| Status|InternalAddress|InternalPort|
> +------+----------+-------+---------------+------------+
> | 1|ConfigNode|Running| 172.20.70.45| 22277|
> | 4|ConfigNode|Running| 172.20.70.46| 22277|
> | 3| DataNode|Running| 172.20.70.45| 9003|
> | 5| DataNode|Running| 172.20.70.46| 9003|
> +------+----------+-------+---------------+------------+
> {code}
> 说明：
> 出错的是stateful的trigger,未缩容前是正常的。
> stateless的trigger没有问题。
> 集群启动时指定:
> cn_target_config_node_list=172.20.70.44:22277
> dn_target_config_node_list=172.20.70.44:22277
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