在centos7 执行防火墙命令时 service iptables status 报错如下: 解决方案 : 1.systemctl start firewalld.service(开启防火墙) 2.systemctl stop firewalld.service(关闭防火墙) 3.service firewalld restart(从启防火墙) 4.firewall-cmd --zone=public --add-port=4400-4600/udp --permanen(指定端口范围为440

本文档根据 service iptables save 报错 please try to use systemctl 提供解决方案.报错 [root@Jaking ~]# service iptables saveThe service command supports only basic LSB actions (start, stop, restart, try-restart, reload, force-reload, status). For other actions, pleas

现象描述 在 CentOS 7.6.1810 下执行 service iptables save 命令,出现如下错误: [root@test ~]# service iptables save The service command supports only basic LSB actions (start, stop, restart, try-restart, reload, force-reload, status). For other actions, please try to u

1.报错 [root@localhost ~]# service iptables save The service command supports only basic LSB actions (start, stop, restart, try-restart, reload, force-reload, status). For other actions, please try to use systemctl. 2.无法执行的原因是/etc/sysconfig/iptables 这个

解决办法: 1.systemctl stop firewalld 2.yum install iptables-services 3.systemctl  restart iptables 4.service  iptables  save 5.添加规则 6.iptables -L -n

service mysqld start 报错 090517 13:34:15 [ERROR] Can't open the mysql.plugin table. Please run mysql_upgrade to create it. 090517 13:34:15 [ERROR] Fatal error: Can't open and lock privilege tables: Table 'mysql.host' doesn't exist 090517 13:34:15 mysq

线上iptables重启了下发现报错,排查了下 [root@xxxx ~]# /etc/init.d/iptables restart iptables: Setting chains to policy ACCEPT: filter nat [ OK ] iptables: Flushing firewall rules: [ OK ] iptables: Unloading modules: [ OK ] iptables: Applying firewall rules: iptables

问题描述: 在安装完扩展后,重启php-fpm,发现一直停止报错 stop: Unknown instance: 通过查看进程,也查询不到该主进程 解决办法: 干掉现在正在执行的进程 pkill php5-fpm 然后再启动 service php5-fpm restart

一.问题 idea的java项目中,service类中注入mapper报错 二.解决 方法1 在mapper类上加上  @Repository 注解即可,当然不加也行,程序也不回报错,是idea的误报. 方法2 在idea中设置:File-settings-inspections 将spring的提示设置为warning,点击apply即可. 具体原因:https://blog.csdn.net/f45056231p/article/details/81676039

debug系列第一弹,不知道大家写程序的时候是不是都遇到过如题的报错. 我本人是经常遇到这行熟悉的令人不知所措的报错,可能是我太笨了 有时候百度无果也差不到原因,那就汇总一下目前我遇到的情况吧--持续更新 出现后这个报错信息,大体一看找不到问题,第一类建议: 1.可以把重启Dev C++ 2.新建一个源代码将代码复制粘贴再运行试试 (虽然听起来很离谱,但是我真的出现过,记得很清楚就是,在这个文件怎么改都这个报错,新建一个copy过去就正常运行) 3.文件名改成英文,不要使用中文,也就是说,保证这

因为类首先被Spring实例化的时候,会调用构造函数.只有实例化后,才会注入.你等于没注入就调用了,所以报错.

关于 systemctl --user enable mpd 报错: Failed to connect to bus: No such file or directory 因为arch脚本中,systemctl 是 sudo systemctl 的别名,因此需要加斜杠转义.类似的命令如 \cp \systemctl --user enable mpd

Job for network.service failed because the control process exited with error code. See “systemctl status network.service” and “journalctl -xe” for details.解决办法: systemctl stop NetworkManager systemctl disable NetworkManage service network restart

出错情况: [root@localhost]# service network restart正在关闭接口 eth0: 设备状态:3 (断开连接)                                                           [确定]关闭环回接口:                                             [确定]弹出环回接口:                                             [确定]弹出

原来是需要将Apache注册到Linux服务里面啊!注册Apache到Linux服务在Linux下用源代码方式编译安装完Apache后,启动关闭Apache可以通过如下命令实现: /usr/local/apache/bin/apachectl start | stop | restart 如果想将httpd列入系统自动启动的服务,可以直接将上述的apachectl文件拷贝到 /etc/rc.d/init.d 中,然后在相应的启动级别如3,5中加入链接即可.命令如下: cp /usr/local/

Unable to retrieve remote parcel repository manifest 1 详细错误 ERROR ParcelUpdateService:com.cloudera.parcel.components.ParcelDownloaderImpl: Unable to retrieve remote parcel repository manifest java.util.concurrent.ExecutionException: java.util.concurr

解决方案:

安装zookeeper-3.3.2的时候,启动正常没报错,但zkServer.sh status查看状态的时候却出现错误,如下: JMX enabled by defaultUsing config: /hadoop/zookeeper/bin/../conf/zoo.cfgError contacting service. It is probably not running. jps查看进程,却发现进程已启动 7313  QuorumPeerMain 在网上查阅资料一共有三种解决方法: 1,

报错背景: 创建完成sqoop2的一个job,主要功能是将数据从hdfs存到mysql数据库中. 执行job的时候发生报错. 报错现象: sqoop:> start job -j -s Submission details Job ID: Server URL: http://localhost:12000/sqoop/ Created by: root Creation -- :: CST Lastly updated by: root External ID: job_15596334078

// :: FATAL namenode.NameNode: Failed to start namenode. org.apache.hadoop.hdfs.qjournal.client.QuorumException: Unable to check successful responses: : false exceptions thrown: : No Route to Host failed on socket timeout exception: java.net.NoRouteT