<?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 htt…

在使用Java API操作HBase时抛出如下异常: Illegal reflective access by org.apache.hadoop.security.authentication.util.KerberosUtil (file:/C:/Users/RYJ/.m2/repository/org/apache/hadoop/hadoop-auth/2.6.5/hadoop-auth-2.6.5.jar) to method sun.security.krb5.Config.getIn…

报错过程: 进入sqoop2之后, 输入命令:show connector,报错 报错现象: Exception has occurred during processing command Exception: java.lang.NoSuchMethodError Message: org.apache.hadoop.security.authentication.client.Authenticator.setConnectionConfigurator(Lorg/apache/hadoo…

保存文件时权限被拒绝 曾经踩过的坑: 保存结果到hdfs上没有写的权限 通过修改权限将文件写入到指定的目录下 * * * $HADOOP_HOME/bin/hdfs dfs -chmod 777 /user * * * Exception in thread "main" org.apache.hadoop.security.AccessControlException: * Permission denied: user=Mypc, access=WRITE, * inode=&qu…

问题再现: 使用本机 Ecilpse  (Windows环境) 去访问远程 hadoop 集群出现以下异常: 问题原因: 因为远程提交的情况下如果没有 hadoop 的系统环境变量,就会读取当前主机的用户名,所以 hadoop 集群的节点中没有该用户名的权限,所以出现的异常. 问题解决: a.如果是测试环境,可以取消 hadoop hdfs 的用户权限检查.打开 conf/hdfs-site.xml,找到 dfs.permissions 属性修改为 false(默认为true),然后配置分发到其…

1 详细异常 Caused by: org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.security.AccessControlException): Permission denied: user=hdfs, access=WRITE, inode="/hbase":root:supergroup:drwxr-xr-x at org.apache.hadoop.hdfs.server.namenode.DefaultAu…

漏洞名称: Apache Hadoop RPC Authentication 安全绕过漏洞 CNNVD编号: CNNVD-201308-425 发布时间: 2013-08-28 更新时间: 2013-08-28 危害等级:    漏洞类型: 权限许可和访问控制 威胁类型: 远程 CVE编号: CVE-2013-2192 漏洞来源: Kyle Leckie of Microsoft and Aaron T.Myers of Cloudera Apache Hadoop是美国阿帕奇(Apache)软…

描述:在Windows下使用Eclipse进行Hadoop的程序编写,然后Run on hadoop 后,出现如下错误: 11/10/28 16:05:53 INFO mapred.JobClient: Running job: job_201110281103_000311/10/28 16:05:54 INFO mapred.JobClient: map 0% reduce 0%11/10/28 16:06:05 INFO mapred.JobClient: Task Id : attemp…

2013-08-20 10:36:17,728 INFO org.apache.hadoop.http.HttpServer: listener.getLocalPort() returned 50070 webServer.getConnectors()[0].getLocalPort() returned 50070 2013-08-20 10:36:17,728 INFO org.apache.hadoop.http.HttpServer: Jetty bound to port 5007…

import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.fs.FileSystem; import org.apache.hadoop.fs.Path; public class TestHDFS { public static void main(String[] args) throws Exception{ Configuration conf = new Configuration(); conf.set…