项目启动时报错Instantiation of bean failed; nested exception is java.lang.ExceptionInInitializerError

https://www.cnblogs.com/liuyp-ken/p/7911536.html

解决过程:

1、检查配置,反反复复看了很多遍,确认没有问题。

2、 网上找了很多资料,类似的问题很多,看过答案以后依旧不得其要领。只好继续看报错代码,直到看到这一句:


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Caused by: java.lang.NullPointerException

    at ***.***.SearchIPAttributionService.load(SearchIPAttributionService.java:133)

    at ***.***.SearchIPAttributionService.load(SearchIPAttributionService.java:66)

    at ***.***.SearchIPAttributionService.<clinit>(SearchIPAttributionService.java:28)

问题应该在本身的代码上,但是,我记得代码是测试过的,没有问题。但是,没有其他办法,只能顺着提示一步步寻找问题所在。最终,确实问题出在代码上。Spring在实例化这个类的时候,先执行静态方法,此时某个类还未实例化,故而报了这个空指针错误

经验教训:

1、解决问题,不要急躁,要淡定,淡定,淡定。

2、仔细看报错信息。

3、每次修改过代码以后,都要记得进行测试,确保修改是正确的。

原文地址:https://www.cnblogs.com/jing1617/p/10192532.html

时间: 2024-09-29 23:38:42

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