记一次Idea中使用Maven遇到的异常问题

心已赠人 2024-04-18 19:20 78阅读 0赞

周末在家给电脑换装了固态硬盘，因为操作失误，把原硬盘的C盘格掉了，新系统装在固态中，但是老系统没了，无法新老公用。只能一条道走到黑，所有东西全部重装。

这里重点记录一下Idea的安装一级在Idea中使用Maven遇到的问题，因为这俩问题真的是快把我逼疯了。

# Idea 2019.2的安装 #

(1) 从官网下载2019.2版本，这里不啰嗦

(2) 激活

关于激活，网上有很多方案，我也尝试了很多，有些是能激活到2020年，有些是能激活到2099年，还有就是能永久激活。

这里记录下我的激活方案：

首先下载激活插件，jetbrains-agent.jar

然后讲jar拷贝到idea安装的bin目录，修改idea.exe.vmoptions和idea64.exe.vmoptions，在最后一行添加：

-javaagent:C:\Program Files\JetBrains\IntelliJ IDEA 2019.2.1\bin\jetbrains-agent.jar

(3)运行idea，激活的时候，选择server激活，输入：[http://jetbrains-license-server][http_jetbrains-license-server]

注:如果不行的话，可以尝试输入以下三个激活码中任意一个，有效期是到2099年。

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# Maven遇到的问题 #

按照各种文档的说明和描述，都是自己安装好maven，配置好M2\_HOME，然后在idea中配置Maven的信息，如下：

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2xpYW5nY2hhMDA3_size_16_color_FFFFFF_t_70][]

这里，我想重点是说一下几点：

（1）不要尝试修改Maven home directory为你本地自己安装的maven目录，因为你会遇到意想不到的问题，这里就保持默认，它其实取的是idea的maven插件，和你自己安装到本地的maven一样

（2）User settings files也不要尝试取修改，首次运行之后，会自动生成.m2目录，你把自己maven中setting.xml文件拷贝到这里就行了，然后Local repository会自动变成你setting.xml中设置的本地仓库地址。

按照正常流程，一般都是修改这几项为自己本地maven目录和对应的setting.xml的目录，但是我一直会报一个很奇怪的错误，就是project 无法import的问题，让查看log日志文件，log日志中的报错也很奇怪，在网上几乎没搜到，就是什么2 errors,然后是详细的描述。

[http_jetbrains-license-server]: http://jetbrains-license-server
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2xpYW5nY2hhMDA3_size_16_color_FFFFFF_t_70]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/18/6065ccca04044300b6052bdce2407c73.png