jps后namenode和secondrynamenode
2021-10-24 14:41:13,001 ERROR org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode: Failed to start secondary namenode
java.lang.IllegalArgumentException: java.net.UnknownHostException: hadoop100
? ? ? ? at org.apache.hadoop.security.SecurityUtil.buildTokenService(SecurityUtil.java:447)
? ? ? ? at org.apache.hadoop.hdfs.NameNodeProxies.createNonHAProxy(NameNodeProxies.java:171)
? ? ? ? at org.apache.hadoop.hdfs.NameNodeProxies.createNonHAProxy(NameNodeProxies.java:148)
? ? ? ? at org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.initialize(SecondaryNameNode.java:234)
? ? ? ? at org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.<init>(SecondaryNameNode.java:194)
? ? ? ? at org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.main(SecondaryNameNode.java:690)
Caused by: java.net.UnknownHostException: hadoop100
? ? ? ? ... 6 more
2021-10-24 14:41:13,003 INFO org.apache.hadoop.util.ExitUtil: Exiting with status 1: ExitException
2021-10-24 14:41:13,005 INFO org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode: SHUTDOWN_MSG:
/************************************************************
SHUTDOWN_MSG: Shutting down SecondaryNameNode at handoop100/192.168.31.134
************************************************************/
在百度上找了好多野沒有解決
2021-10-24
核心錯誤日志是這一句：
Caused by: java.net.UnknownHostException: hadoop100
表示不認識hadoop100這個主機名，需要配置hostname以及/etc/hosts
2021-10-24
已解決
2021-10-24
是jps后沒有出現namenode和secondrynamenode