peng.zhang

peng.zhang:

博客地址：https://www.cnblogs.com/dragkiss/

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WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-

hadoop启动守护进程报JAVA_HOME is not set and could not be found

ssh localhost无密码登录设置

hadoop下载

Linux下安装jdk

elasticsearch,http://ip:9200访问不到的解决办法

java.lang.NoSuchMethodError: com.google.common.collect.Maps.newConcurrentMap()Ljava/util/concurrent/

oracle commit之后的数据回滚