启动HBase时，HMaster可以起来，但是所有的regionserver不能启动。

Question

2021-04-25 16:06:13,992 INFO  [regionserver/slave1/192.168.214.180:16020-SendThread(master:2181)] zookeeper.ClientCnxn: Opening socket connection to server master/192.168.214.179:2181. Will not attempt to authenticate using SASL (unknown error)
2021-04-25 16:06:13,993 INFO  [regionserver/slave1/192.168.214.180:16020-SendThread(master:2181)] zookeeper.ClientCnxn: Socket connection established to master/192.168.214.179:2181, initiating session
2021-04-25 16:06:14,006 INFO  [regionserver/slave1/192.168.214.180:16020-SendThread(master:2181)] zookeeper.ClientCnxn: Session establishment complete on server master/192.168.214.179:2181, sessionid = 0x145141c0004, negotiated timeout = 100000
2021-04-25 16:06:14,060 INFO  [regionserver/slave1/192.168.214.180:16020] regionserver.HRegionServer: ClusterId : 8fdfa755-d5da-4a44-b9da-c1ad0a0c8778
2021-04-25 16:06:14,107 INFO  [regionserver/slave1/192.168.214.180:16020] regionserver.MemStoreFlusher: globalMemStoreLimit=758.7 M, globalMemStoreLimitLowMark=720.7 M, maxHeap=1.9 G
2021-04-25 16:06:14,110 INFO  [regionserver/slave1/192.168.214.180:16020] regionserver.HRegionServer: CompactionChecker runs every 10sec
2021-04-25 16:06:14,114 FATAL [regionserver/slave1/192.168.214.180:16020] regionserver.HRegionServer: ABORTING region server slave1,16020,1619337973354: Unhandled: Failed suppression of fs shutdown hook: org.apache.hadoop.fs.FileSystem$Cache$ClientFinalizer@39d4aec4
java.lang.RuntimeException: Failed suppression of fs shutdown hook: org.apache.hadoop.fs.FileSystem$Cache$ClientFinalizer@39d4aec4
    at org.apache.hadoop.hbase.regionserver.ShutdownHook.suppressHdfsShutdownHook(ShutdownHook.java:205)
    at org.apache.hadoop.hbase.regionserver.ShutdownHook.install(ShutdownHook.java:84)
    at org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:918)
    at java.lang.Thread.run(Thread.java:748)
2021-04-25 16:06:14,116 FATAL [regionserver/slave1/192.168.214.180:16020] regionserver.HRegionServer: RegionServer abort: loaded coprocessors are: []

 

Answer 1

让阿豪来帮你解答，本回答参考chatgpt3.5编写提供，如果还有疑问可以评论或留言

问题描述：在HBase的Region Server上出现了一个致命错误，导致Region Server无法正常工作，错误信息显示为java.lang.RuntimeException: Failed suppression of fs shutdown hook。 解决方案：该问题可能是由于无法正确关闭HDFS的一个挂钩（hook）导致的。解决方法可以尝试清理掉无法关闭的挂钩，并重新启动Region Server。 示例代码：

// 在Region Server的代码中尝试清理挂钩
try{
    ShutdownHook.suppressHdfsShutdownHook();
}catch(RuntimeException e){
    // 处理清理挂钩失败的情况
    e.printStackTrace();
}

通过清理挂钩，重新启动Region Server可以尝试解决该问题，确保HBase的Region Server正常工作。