重启命令 ./mycat restart 查看日志 cd logs tail -f wrapper.log 报错信息 INFO | jvm 2 | 2018/05/09 11:28:28 | Error: Exception thrown by the agent : java.net.MalformedURLException: Local host name unknown: java.net.UnknownHostException: hifu-test1: hifu-test1: Tem…

一.问题报错: 忽然发现某台机器时间慢了些几分钟,之前没有搭建ntpd服务,目前都是使用的ntpdate加定时任务进行时间同步.直接执行ntpdate报错如下: # ntpdate cn.pool.ntp.org Exiting, name server cannot be used: Temporary failure ) Sep :: ntpdate[]: name server cannot be used: Temporary failure ) 二.问题原因: 一般报错为Tempora…

问题: 重启虚拟机后,再次重启nginx会报错: open() "/var/run/nginx/nginx.pid" failed (2: No such file or directory) 解决方法: (1)进入 cd /usr/local/nginx/conf/ 目录,编辑配置文件nginx.conf : (2)在配置文件中有个注释的地方: #pid        logs/nginx.pid; (3)将注释放开,并修改为:pid    /usr/local/nginx/logs…

转载于:http://blog.csdn.net/v123411739/article/details/42645159 每次MyEclipse工作空间报错如下:'Building workspace' has encountered a problem. Errors occurred during the build.并且详细信息为:Errors occurred during the build.Errors running builder 'DeploymentBuilder' on p…

解压tar.gz文件报错gzip: stdin: not in gzip format解决方法 在解压tar.gz文件的时候报错 1 2 3 4 5 [Sun@localhost Downloads]$ tar -zxvf clion-141.351.4.tar.gz   gzip: stdin: not in gzip format tar: Child returned status 1 tar: Error is not recoverable: exiting now 原来原因是这个压缩…

mysql 启动报错信息如下: [root@xxx ~]# 2018-01-26 17:06:35 33 [Warning] Host name 'bogon' could not be resolved: Name or service not known 2018-01-26 17:06:36 33 [Warning] Host name 'bogon' could not be resolved: Name or service not known 2018-01-26 17:06:41…

环境情况,MySQL版本如下: 报错情况如下(看上去是和数据库有关): com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 59 milliseconds ago. The last packet sent successfully to the server wa…

SEVERE: The required Server component failed to start so Tomcat is unable to start. org.apache.catalina.LifecycleException: Failed to start component [StandardServer[8005]] 之前在Eclipse上部署了Tomcat服务器,今天在MyEclipse上部署,结果Tomcat启动失败,报错.在网上搜了半天,有的说是因为端口被占用,有…

今天学习遇到了这个错误,记录下自己遇到的错误和解决方法! 这个报错的意思是: Artifact 正在部署中,请稍候- 实际上有可能就是jar包没有导进去.检查项目打包情况:file-->Project Setting 如果不是因为上面的原因启动不了,那么也有可能是项目的web.xml的配置出现了错误,常见的错误有下面3种,将错误找出并改正即可 常见的错误 1:url-pattern 中配置的路径没有以斜杠打头. 常见错误 2:servlet-name 配置的值不存在 常见错误 3:servlet…

今天在安装CentOS 6.2的时候,当进到检测硬盘的时候,总是过不去,报错如下: Disk sda contains BIOS RAID metadata, but is not part of any recognized BIOS RAID sets. Ignoring disk sda 这种情况在Ubuntu,SUSE都有类似的情况,只是提示不太一样. 有时候是sda,有时候是sdb. 感觉是这块硬盘以前是做过raid,现在不认.怎么办. 进入安装选择菜单时 按TAB键,会进入到Linu…