集群中有一台datanode一直启动报错如下: java.net.BindException: Problem binding to [$server1:50020] java.net.BindException: Address already in use; For more details see: http://wiki.apache.org/hadoop/BindException 查看端口是否被占用 # netstat -tnlp|grep 50020 发现没有进程在监听50020端…
hive metastore在建表时报错 [pool-5-thread-2]: MetaException(message:Got exception: java.net.ConnectException Call From server2 to server1:8020 failed on connection exception: java.net.ConnectException: Connection refused; For more details see: http://wiki.…
myeclipse 10 载入新的项目报错Cannot return from outside a function or method 解决方法: 方法一: window -->preferences -->myeclipse -->validation -->javascript validator for Js files 把Bulid 复选框的勾去掉. 方法二: 在所建立的project项目中右键单击,找到myeclipse-->Exclude Form Val…
直接上代码 StreamingExamples.setStreamingLogLevels() val Array(brokers, topics) = args // Create context with 2 second batch interval // 创建conf,spark streaming至少要启动两个线程,一个负责接受数据,一个负责处理数据 val conf = new SparkConf().setMaster("local[4]").setAppName(&qu…
Spark程序编译报错: [INFO] Compiling 2 source files to E:\Develop\IDEAWorkspace\spark\target\classes at 1567004370534[ERROR] E:\Develop\IDEAWorkspace\spark\src\main\scala\cn\itcast\wordCount\WordCount.scala:3: error: object apache is not a member of package…
