NiFi版本nifi-1.2.0.3.0.0.0-453

时间:2017-06-28 15:17:12

标签: apache-zookeeper apache-nifi

我有一个3节点集群都使用NiFi版本nifi-1.2.0.3.0.0.0-453。该集群在过去几周一直运行良好,但是今天突然有一个节点与集群断开连接并且无法加入集群。我检查了日志,我看到的错误如下:

  

ERROR [Curator-Framework-0] o.a.c.f.imps.CuratorFrameworkImpl背景重试放弃了   org.apache.curator.CuratorConnectionLossException:KeeperErrorCode = ConnectionLoss       在org.apache.curator.framework.imps.CuratorFrameworkImpl.performBackgroundOperation(CuratorFrameworkImpl.java:838)       在org.apache.curator.framework.imps.CuratorFrameworkImpl.backgroundOperationsLoop(CuratorFrameworkImpl.java:809)       在org.apache.curator.framework.imps.CuratorFrameworkImpl.access $ 300(CuratorFrameworkImpl.java:64)       在org.apache.curator.framework.imps.CuratorFrameworkImpl $ 4.call(CuratorFrameworkImpl.java:267)       at java.util.concurrent.FutureTask.run(FutureTask.java:266)       at java.util.concurrent.ScheduledThreadPoolExecutor $ ScheduledFutureTask.access $ 201(ScheduledThreadPoolExecutor.java:180)       at java.util.concurrent.ScheduledThreadPoolExecutor $ ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)       在java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)       at java.util.concurrent.ThreadPoolExecutor $ Worker.run(ThreadPoolExecutor.java:617)       在java.lang.Thread.run(Thread.java:745)   2017-06-27 17:54:40,179 ERROR [Curator-Framework-0] o.a.c.f.imps.CuratorFrameworkImpl后台操作重试放弃   org.apache.zookeeper.KeeperException $ ConnectionLossException:KeeperErrorCode = ConnectionLoss       at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)       在org.apache.curator.framework.imps.CuratorFrameworkImpl.checkBackgroundRetry(CuratorFrameworkImpl.java:728)       在org.apache.curator.framework.imps.CuratorFrameworkImpl.performBackgroundOperation(CuratorFrameworkImpl.java:857)       在org.apache.curator.framework.imps.CuratorFrameworkImpl.backgroundOperationsLoop(CuratorFrameworkImpl.java:809)       在org.apache.curator.framework.imps.CuratorFrameworkImpl.access $ 300(CuratorFrameworkImpl.java:64)       在org.apache.curator.framework.imps.CuratorFrameworkImpl $ 4.call(CuratorFrameworkImpl.java:267)       at java.util.concurrent.FutureTask.run(FutureTask.java:266)       at java.util.concurrent.ScheduledThreadPoolExecutor $ ScheduledFutureTask.access $ 201(ScheduledThreadPoolExecutor.java:180)       at java.util.concurrent.ScheduledThreadPoolExecutor $ ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)       在java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)       at java.util.concurrent.ThreadPoolExecutor $ Worker.run(ThreadPoolExecutor.java:617)       在java.lang.Thread.run(Thread.java:745)

节点本身似乎仍在运行但与群集断开连接。我尝试重新启动它,但同样的错误一直反复出现。集群中的其他两个节点工作正常。有没有人知道可能导致这个突发问题的原因是什么?任何见解将不胜感激。

0 个答案:

没有答案