Hive启动失败报RuntimeException错误

最新推荐文章于 2024-10-24 10:16:15 发布

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最新推荐文章于 2024-10-24 10:16:15 发布 · 1.8k 阅读

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#Hive启动失败

在伪分布式环境中，当Hive启动失败时，检查发现是由于datanode和namenode进程未正常运行，终止这两个进程后问题得到解决。另外，确保已下载并添加了mysql的jar包到Hive的lib目录，例如使用wget命令从指定URL下载mysql-connector-java-5.1.38-bin.jar。

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Hive启动失败

Exception in thread "main" java.lang.RuntimeException: org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.hdfs.server.namenode.SafeModeException): Cannot create directory /tmp/hive/root/243fbe51-7a68-47a4-b744-e69f31e9d8b9. Name node is in safe mode.
The reported blocks 0 needs additional 153 blocks to reach the threshold 0.9990 of total blocks 153.
The number of live datanodes 0 has reached the minimum number 0. Safe mode will be turned off automatically once the thresholds have been reached.
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkNameNodeSafeMode(FSNamesystem.java:1327)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.mkdirs(FSNamesystem.java:3899)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.mkdirs(NameNodeRpcServer.java:978)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.mkdirs(ClientNamenodeProtocolServerSideTranslatorPB.java:622)
	at org.apache.hadoop.hdfs.protocol.pr