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没有解决