Javaweb项目Servlet execution threw an exception

其他 2018-05-13 22:28:45 阅读次数: 2

java.lang.NoSuchMethodError

在自己编写的class里面调用插件API时，有时回报java.lang.NoSuchMethodError，意思就是有类，里面没有这种方法。

出现这种现象有两种情况：
1. 有相同的路径2个类，有相同的方法，导致JVM不知道调用哪个
2. 有相同的路径2个类，一个有这方法，一个没这个方法

就是jar包冲突

这里写图片描述

解决方法：
最简单就是去掉其中一个jar。

注意：
如果删除错误jar就会出现下图：
这里写图片描述

意思是找不到这个类。所以要小心删除冲突jar包。

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转载自blog.csdn.net/yaun_1994/article/details/80193370

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