root用户执行hadoop命令报错: [root@vmocdp125 conf]# hadoop fs -ls /user/ [INFO] 17:50:42 main [RetryInvocationHandler]Exception while invoking getFileInfo of class ClientNamenodeProtocolTranslatorPB over vmocdp127.test.com/172.16.145.127:8020. Trying to fail
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
当使用./spark-shell 命令报错 Caused by: ERROR XJ040: Failed to start database @476fde05, see the next exception for details. at org.apache.derby.iapi.error.StandardException.newException(Unknown Source) at org.apache.derby.impl.jdbc.SQLExceptionFactory.wrap
问题描述 Spring Cloud Feign调用其它服务报错,错误提示如下:Failed to instantiate [java.util.List]: Specified class is an interface. 解决方案 通过查询一些资料,得到的结论,是定义接口传递的参数时,没有用@RequestBody修饰,查看定义接口有用@RequestBogy修饰,Feign的接口实现里没有用@RequestBody修饰,添加后问题就解决了,以后还是要仔细看待每个问题.
Mac OS X 10.11.6, curl 命令报错,错误如下: dyld: lazy symbol binding failed: Symbol not found: _SSL_load_error_strings Referenced from: /usr/local/lib/libcurl.4.dylib Expected in: flat namespace dyld: Symbol not found: _SSL_load_error_strings Referenced from:
RedHat中敲sh-copy-id命令报错:-bash: ssh-copy-id: command not found 在多台Linux服务器SSH相互访问无需密码, 其中进入一台Linus中,对其进行拷贝一下到host中,出现 会不会是用户的权限问题,在root下执行: [root@host6 hadoop]# ssh-copy-id/usr/bin/ssh-copy-id: ERROR: No identities found 为啥出现这个样子? (目前我也没有解决,若您知道其原因望告知一
Python3 pip命令报错:Fatal error in launcher: Unable to create process using '"' 一.问题 环境:win7 同时安装python2 和 python3 执行pip 命令报错:Fatal error in launcher: Unable to create process using '"' 二.解决方案 采用命令:python3 -m pip install psycopg2 或者 python3 -m p
java项目连接jdbc报错:com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Could not create connection to database server 原因:相关jar包版本太低 解决方法:下载最新版的mysql-connector-java即可
cmd输入pip3 list命令报错 Fatal error in launcher: Unable to create process using '"d:\old_files\py3.6\python.exe" "E:\py3.6\Scripts\pip3.exe" list' 进入python3的Scripts目录 我的目录是E:\py3.6\Scripts,然后执行cmd 2.执行python pip3.exe install SomePackage进行安