报错信息如下 -- ::, INFO [main]: retry.RetryInvocationHandler (RetryInvocationHandler.java:invoke()) - Exception after fail over attempts. Trying to fail over after sleeping for 5584ms. org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.ipc.StandbyExc…
Bad connection to FS. command aborted. exception: Call to chaoren/192.168.80.100:9000 failed on connection exception: java.net.ConnectException: Connection refused 错误解决方法: 1.先将/usr/local/hadoop/tmp/dfs文件夹整个删除掉(cd /usr/local/hadoop/tmp rm -rf dfs) 2.再…
2018-01-09 09:47:38,297 FATAL org.apache.hadoop.hdfs.server.datanode.DataNode: Initialization failed for Block pool <registering> (Datanode Uuid unassigned) service to controller/192.168.1.183:9000. Exiting. java.io.IOException: Incompatible cluster…
1:安装好hive,准备启动的时候出现下面的错误(由于hive是基于Hadoop的,所以必须先将你的集群启动起来,我就是没有启动集群,直接启动hive导致的错误): [root@master bin]# ./hive Logging initialized -bin/lib/hive-common-.jar!/hive-log4j.properties Exception failed on connection exception: java.net.ConnectException: Con…
1:练习spark的时候,操作大概如我读取hdfs上面的文件,然后spark懒加载以后,我读取详细信息出现如下所示的错误,错误虽然不大,我感觉有必要记录一下,因为错误的起因是对命令的不熟悉造成的,错误如下所示: scala> text.collect java.net.ConnectException: Call From slaver1/ failed on connection exception: java.net.ConnectException: Connection refused;…
Agenda Three Categories Of Exceptions Exceptions Hierarchy try-catch-finally block The try-with-resources User-defined Exceptions The Throws/Throw Keywords Three Categories Of Exceptions There have various of reasons cause different exceptions during…
hadoop集群搭建了ha,初次启动正常,最近几天启动时偶尔发现,namenode1节点启动后一段时间(大约10几秒-半分钟左右),namenode1上namenode进程停掉,查看日志: -- ::, INFO org.apache.hadoop.ipc.Client: Retrying connect to server: slave1/. Already tried , sleepTime= MILLISECONDS) -- ::, WARN org.apache.hadoop.hdfs.…
先看解决方案,再看唠嗑,唠嗑可以忽略. 解决方案: 使用start yarn.sh启动yarn就可以了. 唠嗑: 今天学习Spark基于Yarn部署.然后总以为Yarn是让Spark启动的,提交程序的时候Yarn就会启动~!于是乎我就只开启了Spark程序,没开启Yarn,然后执行提交 ./spark-submit --class org.apache.spark.examples.JavaSparkPi \ --master yarn \ --deploy-mode cluster \ --d…
Atitit java的异常exception 结构Throwable类 1.1. Throwable类 2.StackTrace栈轨迹1 1.2. 3.cause因由1 1.3. 4.SuppressedException被屏蔽的异常2 1.4. try-with-resources语句2 1.5. 八.异常说明的继承.2 1.1. Throwable类 2.StackTrace栈轨迹 栈轨迹记录了程序从开始到异常抛出点所调用的方法.通过StackTraceElement[] getStack…
场景描述: 再从该数据库中读取数据进行处理的时候,需要将某个字段加入到一个动态的map中,然后需要对该map进行filter过滤,在执行过滤方法的时候报错 Error during generated code invocation: com.intellij.debugger.engine.evaluation.EvaluateException: Method threw 'java.lang.IllegalAccessError' exception. 报错截图: 也就是说该map执行不了…