subversion commit 报错A checksum mismatch occurred

Eclipse每次打开.java文件时,报错信息如下: An internal error occurred during: "J2EE Component Mapping Update". java.lang.NullPointerException 解决办法: 1 找到工作区该项目目录,删除.settings文件夹. 2 Eclipse删除该项目(本地项目文件不要删除). 3 重启Eclipse,重新导入该项目.

1.有时候因为网络的原因,maven工程下载jar包失败,会一直卡住,很慢,什么操作都做不了,我们通常就会直接强制关闭掉Eclipse,但是这样下次启动的时候就会有问题: 通常会报:"An internal error occurred during: "reload maven project". java.lang.NullPointerException" 解决办法: 1.备份原工作目录中的项目 2.删除掉Eclipse原工作目录 2.switch 一个wor

公司搭系统,需要对网络进行调整,用的是Juniper EX系列交换机结果调整完配置,要commit时报错提示信息如下:root# commiterror: could not open /var/etc/pam.conf+: Operation not permittederror: commit failed: foreign file propagation failed during preprocessing 度娘没找到解决办法,上bing国际版,直接跳到Juniper英文页面,还好有救

Git commit的时候出现如下错` C:/Program Files (x86)/Git/bin/vim: -c: line 0: syntax error near unexpected token `(' C:/Program Files (x86)/Git/bin/vim: -c: line 0: `C:/Program Files (x86)/Git/bin/vim \[email protected]\' error: There was a problem with the ed

Eclipse一直用的好好的,突然这两天每次启动都会出现如下的错误:An internal error occurred during: "Updating indexes".org/eclipse/core/runtime/internal/adaptor/BasicLocation,刚开始没有在意,以为是机器的内存不够导致,但后来发现不是怎么回事,刚开机,打开Eclipse也报这个错误.找到Eclipse的日志文件,workspace/.metadata/.log,查询"

org.apache.jasper.JasperException: Unable to compile class for JSP: An error occurred at line: 22 in the generated java file The method getJspApplicationContext(ServletContext) is undefined for the type JspFactory 加入Myeclipse自带的java EE 6 library即可解决:

原因一:可能是tomcat里面文件不小心被删除了.尝试更换tomcat, 解决步骤:重新下载tomcat并解压.点击windows——> preferences——>tomcat重新配置. 原因二:myeclipse系统自带jdk出问题 解决步骤:重新下载tomcat并解压.点击windows——> preferences——>tomcat——>jdk,配置成你自己的jdk 原因三:由于软件冲突导致的错误 解决步骤: 找到myeclipse.ini文件 加上-Djava.ne

备注:我建的类名就叫做“first” 解决办法:卸载掉TestNG M2E Help-->Install new software-->What is already installed?-->Select the TestNG M2E software and click uninstall

删除.metadata目录下.plugins/org.eclipse.e4.workbench即可