/home/bigdata/hadoop/spark-2.1.1-bin-hadoop2.7/sbin/start-all.sh 启动后执行jps命令,主节点上有Master进程,其他子节点上有Work进行,登录Spark管理界面查看集群状态(主节点):http://master01:8080/ 到此为止,Spark集群安装完毕. 1.注意:如果遇到 “JAVA_HOME not set” 异常,可以在sbin目录下的spark-config.sh 文件中加入如下配置: export JAVA_…

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…

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…

进行如下更改:vim /usr/local/hadoop/etc/hadoop/hdfs-site.xml[我的hadoop目录在/usr/local下,具体的是修改你的hadoop目录中的/etc/hadoop/hdfs-site.xml]添加一个property:<property>      <name>dfs.permissions</name>      <value>false</value></property> 然后重…

1 Phoenix远程无法连接但是本地可以连接,详细异常 SLF4J: Class path contains multiple SLF4J bindings. SLF4J: Found binding /slf4j-log4j12-.jar!/org/slf4j/impl/StaticLoggerBinder.class] SLF4J: Found binding -cdh5.16.1-client.jar!/org/slf4j/impl/StaticLoggerBinder.class] S…

spark 2.1.1 spark在写数据到hive外部表(底层数据在hbase中)时会报错 Caused by: java.lang.ClassCastException: org.apache.hadoop.hive.hbase.HiveHBaseTableOutputFormat cannot be cast to org.apache.hadoop.hive.ql.io.HiveOutputFormat at org.apache.spark.sql.hive.SparkHiveWrit…

1 异常信息 - ::, INFO org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Maximum size of an xattr: -- ::, WARN org.apache.hadoop.hdfs.server.common.Storage: Storage directory /mnt/software/hadoop--cdh5.16.1/data/tmp/dfs/name does not exist -- ::, WARN…

1.系统或hdfs是否有空间 2.datanode数是否正常 3.是否在safemode 4.防火墙关闭 5.配置方面 6.把NameNode的tmp文件清空,然后重新格式化NameNode…

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…

Master日志错误:2015-12-02 06:34:32,394 ERROR [main] master.HMasterCommandLine: Master exitingjava.lang.RuntimeException: Failed construction of Master: class org.apache.hadoop.hbase.master.HMasterat org.apache.hadoop.hbase.master.HMaster.constructMaster(…