myeclips Unable to install breakepoint missing line number attributes
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以前一直用eclipse,最近换了myeclips,大大小小遇到过一些问题,基本都解决了,但是偶然遇到了设置断点会报警告的情况(虽然也能debug,但是很不爽),折腾了几天才找到原因,下面分享一下我找到的解决办法,希望对大家有帮助
这些办法并非我原创,我也是从网上找的,个人总结一下
首先是解决我遇到问题的方法
参考网址 https://github.com/spring-projects/spring-ide/issues/78
根据github上这位老兄的说法,spring Boot会把我们的Controller生成一个内部类,这个内部类并没有行号信息,所以加断点就警告没有line attribute,因为此时Controller是以内部类被加载的,的确没有line attribute,不过这并不影响我们debug,但是为了不要它提示,可以在Java -> Debug 把 "Warn when unable to install breakpoint due to missing line number attributes"选项去掉,这种方法最好是在你尝试了其他方法没有解决问题后使用,因为这种方法可能会掩盖真正的问题,慎用
以下是网上普遍的解决方法,不过对我没用,但是也贴出来,希望对大家有用
网址 https://stackoverflow.com/questions/957822/eclipse-unable-to-install-breakpoint-due-to-missing-line-number-attributes
1.编译时没加line attribute,加上重新编译即可
Window->Preferences->Java->Compiler 选中所有选项Apply,项目会重新编译,编译后如果还不行,去掉选项Apply,在选中选项Apply
2.JDK配置错了,配置到了jre的目录,改对即可
- Window -> preferences -> server -> runtime environments
- Apache Tomcat -> edit
- Select a JDK instead of JRE
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