解決 NiFi 節點本地流與集羣流不一致導致無法加入集羣

1. 異常信息

   org.apache.nifi.controller.UninheritableFlowException: Failed to connect node to cluster because local flow is different than cluster flow.
   	at org.apache.nifi.controller.StandardFlowService.loadFromConnectionResponse(StandardFlowService.java:1026)
   	at org.apache.nifi.controller.StandardFlowService.load(StandardFlowService.java:539)
   	at org.apache.nifi.web.server.JettyServer.start(JettyServer.java:1028)
   	at org.apache.nifi.NiFi.<init>(NiFi.java:158)
   	at org.apache.nifi.NiFi.<init>(NiFi.java:72)
   	at org.apache.nifi.NiFi.main(NiFi.java:301)
   

2. 解決辦法

   刪除該問題節點 ${NIFI_HOME}/conf/flow.xml.gz 文件，然後重啓該節點。

   [root@cdh01 conf]$ rm -rf flow.xml.gz 
   [root@cdh01 conf]$ ../bin/nifi.sh restart