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  • Hive启动报找不到hadoop版本问题

    bin/hive 提示"xxx Illegal Hadoop Version: Unknown (expected A.B.* format)"类似这样的问题,

    经过查看代码

     public static String getMajorVersion() {
        String vers = VersionInfo.getVersion();
    
        String[] parts = vers.split("\.");
        if (parts.length < 2) {
          throw new RuntimeException("Illegal Hadoop Version: " + vers +
              " (expected A.B.* format)");
        }
        String majorVersion = parts[0] + "." + parts[1];
    
        // If we are running a security release, we won't have UnixUserGroupInformation
        // (removed by HADOOP-6299 when switching to JAAS for Login)
        try {
          Class.forName("org.apache.hadoop.security.UnixUserGroupInformation");
        } catch (ClassNotFoundException cnf) {
    
          if ("0.20".equals(majorVersion)) {
            majorVersion += "S";
          }
        }
        return majorVersion;
      }

    String vers = VersionInfo.getVersion();这里没有取到值。

    查看"import org.apache.hadoop.util.VersionInfo;"

    得知,这里引用是的hadoop的包,于是将hadoop-core.jar包导入Lib目录,问题解决!

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  • 原文地址:https://www.cnblogs.com/bobsoft/p/3888552.html
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