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http://hadoop.apache.org/ 1The Apache? Hadoop? project develops open-source software for reliable, scalable,distributed computing.The Apache Hadoop software library is a framework that allows for the distributedprocessing of large data sets across clusters of computers using simple programming models.It is designed to scale up from single servers to thousands of machines, each offering localcomput...
hive执行过程中报错，抓重点（黄色）：2019-02-0109:56:54,623 ERROR [pool-7-thread-4] dao.IHiveDaoImpl - java.sql.SQLException: org.apache.hive.service.cli.HiveSQLException: Error while processing statement: FAILED: Execution Error, return code 2from org.apache.hadoop.hive.ql.exec.mr.MapRedTaskat org.apache.hive.service.cli.operation.Operation.toSQLException(Operation.java:380)at org.apache.hive.serv...
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-xat org.apache.hadoop.hdfs.server.namenode.DefaultAuthorizationProvider.checkFsPermission(DefaultAuthorizationProvider.java:279)at org.apache.hadoop.hdfs.server.namenode.DefaultAuthorizationProvider.check(...
描述：job 配置错误异常：14/03/26 22:23:27 ERROR security.UserGroupInformation: PriviledgedActionException as:allen cause:org.apache.hadoop.ipc.RemoteException: java.io.IOException: Unknown protocol to name node: org.apache.hadoop.mapred.JobSubmissionProtocolat org.apache.hadoop.hdfs.server.namenode.NameNode.getProtocolVersion(NameNode.java:149)at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown...
问题：spark操作HBase的时候报错Result为序列化问题报错：Exception in thread "main" org.apache.spark.SparkException: Job aborted due to stage failure: Task 0.0 in stage 1.0 (TID 1) had a not serializable result: org.apache.hadoop.hbase.client.Result Serialization stack:- object not serializable (class: org.apache.hadoop.hbase.client.Result, value: keyvalues={tjiloaB#3#20190520/wifiTargetCF:inNum/1581...
原先使用hadoop默认设置（hadoop1.2.1），secondarynamenode会正常进行备份，定时从namenode拷贝image文件到SNN。但是具体SNN备份的时间周期和log文件的大小无法定制，后来楼主就修改了SNN的设置，将fs.checkpoint.period修改为3600s,fs.checkpoint.size修改为64兆。在core-site.xml配置文件中添加这两个参数之后，却发现SNN总是无法备份。后来google查找发现还是配置文件没有配置完整造成的，修改配置文件core-site.xml 和hdfs-si...
在window上编程提示没有写Hadoop的权限 Exception in thread "main" org.apache.hadoop.security.AccessControlException: Permission denied: user=Mypc, access=WRITE, inode="/":fan:supergroup:drwxr-xr-x 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 -mkdir /output* $HADOOP_HOME/bin/hdfs dfs -chmod 777...
hadoop 版本 2.6.0hive版本 1.1.1错误：java.lang.NoSuchMethodError: org.apache.hadoop.hive.ql.ppd.ExprWalkerInfo.getConvertedNod……解决办法1，修改Hive的配置文件conf/hive-site.xmlhive.optimize.ppd==false然后重启hadoop环境2，hive命令行：执行set hive.optimize.ppd=false;原文：http://www.cnblogs.com/looye-5/p/5685539.html
Exception in thread "main" java.lang.RuntimeException: java.lang.RuntimeException: Unable to instantiate org.apache.hadoop.hive.metastore.HiveMetaStoreClient at org.apache.hadoop.hive.ql.session.SessionState.start(SessionState.java:344) at org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:681) at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:625) at sun...
使用MapReduce编写的中文分词程序出现了 Exception from container-launch: org.apache.hadoop.util.Shell$ExitCodeException: 这样的问题如图：上网查了好多资料，才明白这是hadoop本身的问题，具体参考：https://issues.apache.org/jira/browse/YARN-1298https://issues.apache.org/jira/browse/MAPREDUCE-5655解决办法是重新编译hadoop具体参考：http://zy19982004.iteye.com/blog/2031172版权声明：本文为博主原创文章，未经博...