这个问题的原因有几个: 1.客户端安装的机器一般是虚拟机,虚拟机的名称可能是随便搞的,然而,yarn-client模式提交任务,是默认把本机当成driver的.所以导致其他的机器无法通过host的name直接访问这台机器.报错就是Failed to connect to driver at x.x.x.x,retrying..... 解决办法:在命令后面加上一个--conf spark.driver.host=$your_ip_address,后面直接填客户端机器的IP地址就行.还有一个办法:e…

执行性能测试过程中,LR报错: Action.c(6):Error -27796: Failed to connect to server "xxx.xxx.xxx.xxx:xx":[10060] connetion time out 服务端防火墙限制流量导致:iptables接受的流量为304bytes,多余的都抛弃: 1.调整服务端防火墙限制: 2.关闭服务端防火墙进行测试:…

Jenkins源代码管理 添加gitlab项目地址 报错如下: Failed to connect to repository : Error performing command: ls-remote -h git@192.168.92.130:8090/root/swapping.git HEAD 前提条件: 在解决这个问题之前,首先确定了你的Jenkins是在[系统管理] 设置过[全局工具配置]的. 如果没有[jenkins的docker镜像内,自动安装JDK/Maven/Git]先去安装…

报错信息 ERROR | wrapper | 2018/05/11 14:01:55 | Startup failed: Timed out waiting for a signal from the JVM. ERROR | wrapper | 2018/05/11 14:01:55 | JVM did not exit on request, terminated INFO | wrapper | 2018/05/11 14:01:55 | JVM exited on its own whi…

Administrator@SC- MINGW64 /e/gitrepository (master) $ git push django master To github.com:zgc137/django.git ! [rejected] master -> master (non-fast-forward) error: failed to push some refs to 'git@github.com:zgc137/django.git' hint: Updates were rej…

1.Mongo运行错误:Failed to connect 127.0.0.1:27017 Mongo运行错误:Failed to connect 127.0.0.1:27017,reason:errno:10061由于目标计算机积极拒绝,无法连接 Mongo运行错误 原因是MongoDB的服务没有开启,开启服务后问题就能解决了,开启服务命令:mongod --dbpath "d:\mongodb\data" 只要操作mongodb数据库,服务就要一直开着…

原因:在使用sqldf时,不需要加载RMySQL库 解决方案:在控制台执行释放RMySQL库加载 detach("package:RMySQL", unload=T);…

failed to connect to server , error message is:No route to host 转自:http://blog.csdn.net/miaohongyu1/article/details/11472469 https://jingyan.baidu.com/article/8cdccae946963f315413cdef.html Connect error: No route to host(errno:113) 连接错误解决办法--关闭iptabl…

spark提交任务报错: java.lang.SecurityException: Invalid signature file digest for Manifest main attributes 对jar包执行:zip -d ztoTest1.jar META-INF/*.RSA META-INF/*.DSA META-INF/*.SF 然后提交: ./spark-submit --master yarn-client --class hbasetest.sparkHbase --num-…

1.执行Spark运行在yarn上的命令报错 spark-shell --master yarn-client,错误如下所示: // :: ERROR SparkContext: Error initializing SparkContext. org.apache.spark.SparkException: Yarn application has already ended! It might have been killed or unable to launch application…