当我试图运行下面的命令时，会弹出一个错误
阿里斯-mac:hadoop-2.7.3 naziaimran$sbin/开始-dfs.sh
下面是错误，
2018-06-05 01:04:31.424 java[1879:21215] Unable to load realm info from SCDynamicStore
18/06/05 01:04:31 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
Starting namenodes on [localhost]
localhost: starting namenode, logging to /Users/naziaimran/Desktop/hadoop-2.7.3/logs/hadoop-naziaimran-namenode-Alis-Mac.out
localhost: Exception in thread "main" java.lang.ExceptionInInitializerError
localhost: at org.apache.hadoop.util.StringUtils.<clinit>(StringUtils.java:80)
localhost: at org.apache.hadoop.hdfs.server.common.HdfsServerConstants$RollingUpgradeStartupOption.getAllOptionString(HdfsServerConstants.java:80)
localhost: at org.apache.hadoop.hdfs.server.namenode.NameNode.<clinit>(NameNode.java:249)
localhost: Caused by: java.lang.StringIndexOutOfBoundsException: begin 0, end 3, length 2
localhost: at java.base/java.lang.String.checkBoundsBeginEnd(String.java:3107)
localhost: at java.base/java.lang.String.substring(String.java:1873)
localhost: at org.apache.hadoop.util.Shell.<clinit>(Shell.java:51)
localhost: ... 3 more
localhost: starting datanode, logging to /Users/naziaimran/Desktop/hadoop-2.7.3/logs/hadoop-naziaimran-datanode-Alis-Mac.out
Starting secondary namenodes [0.0.0.0]
0.0.0.0: starting secondarynamenode, logging to /Users/naziaimran/Desktop/hadoop-2.7.3/logs/hadoop-naziaimran-secondarynamenode-Alis-Mac.out
0.0.0.0: Exception in thread "main" java.lang.ExceptionInInitializerError
0.0.0.0: at org.apache.hadoop.util.StringUtils.<clinit>(StringUtils.java:80)
0.0.0.0: at org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.main(SecondaryNameNode.java:667)
0.0.0.0: Caused by: java.lang.StringIndexOutOfBoundsException: begin 0, end 3, length 2
0.0.0.0: at java.base/java.lang.String.checkBoundsBeginEnd(String.java:3107)
0.0.0.0: at java.base/java.lang.String.substring(String.java:1873)
0.0.0.0: at org.apache.hadoop.util.Shell.<clinit>(Shell.java:51)
0.0.0.0: ... 2 more
2018-06-05 01:04:48.170 java[2203:22211] Unable to load realm info from SCDynamicStore
18/06/05 01:04:48 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable我被困在这里好几天了，任何帮助都将不胜感激。提前感谢：）
1条答案
按热度按时间qyuhtwio1#
问题是hadoop2.7与java9/10不兼容。我也遇到了同样的问题，通过降级到Java8解决了这个问题。
如果您不确定如何降级并使其工作，请在此处查看vk321的答案：https://stackoverflow.com/a/48422257/5181904