在Eclipse中添加外部jar [英] Adding External jar's in Eclipse

问题描述

我已经创建了一个连接到MySQL的程序。我使用eclipse add external jar选项添加Connector / j。节目在日食中工作正常。但是当我使用eclipse创建可执行jar，当我运行它时，它总是给ClassNotFoundException。请告诉我如何将外部罐子添加到我的罐子里。还是有其他错误？请帮助我。

解决方案

最简单的解决方案是将您的项目导出为Runnable Jar文件（右键单击在项目 - >导出...-> Runnable Jar文件），将所有依赖关系放在一个jar文件中。

否则，您将需要包含一个类路径到附加js在manifest.mf文件或命令行中使用-cp选项。

  java -cp。; myjar。 jar; mysql.jar my.package.classname 
  

I have created a program to connect to MySQL. I add Connector/j using eclipse add external jar option. Program works fine in eclipse. But when I created the executable jar using eclipse and when i run it, it always give ClassNotFoundException. Please tell me how to add external jars to my jar. Or is there any other error? Please can anyone help me.

解决方案

The simplest solution is to export your project as a 'Runnable Jar file' (Right-click on project->Export...->Runnable Jar file) that will place all dependencies in one jar file.

Otherwise you will need to include a classpath to the additional jars either in the manifest.mf file or on the command line with the -cp option.

java -cp .;myjar.jar;mysql.jar my.package.classname

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