今天运行项目的时候，mysql报错：java.sql.SQLException:Access denied for user 'root '@'localhost'。原因很简单就是用户名“root”错误。解决就是检查配置文件/mysql的用户名是否正确。
这个问题很简单，但原因真的是邪恶！
今天我的项目突然报错了，原因就是IDEA的自动保存功能，就是我在配置文件，输入root“”的后面不小心加了个空格。
本文作者：小魏同学呀
本文链接：https://www.cnblogs.com/weitongxue/p/16146295.html
版权声明：本作品采用知识共享署名-非商业性使用-禁止演绎 2.5 中国大陆许可协议进行许可。
Alan Walker、K-391、Tungevaag、Mangoo - Play
Written by：Øyvind Sauvik、Mattias Brann、Martin Tungevaag、Alexander Standal Pavelich、Halvor Folstad
Composed by：K-391、Alan Walker、Mattias Brann、Martin Tungevaag、James Njie、Edvard Normann、Kristoffer Haugan、Anders Frøen、 Alexander Standal Pavelich、Halvor Folstad、Øyvind Sauvik
PRODUCED BY：K-391、Alan Walker、Tungevaag、Mangoo
CO-PRODUCTION：James Njie、STATE、Skinny Days
ADDITIONAL PRODUCTION：Mood Melodies、Omar Omrani
EXECUTIVE PRODUCED BY：Gunnar Greve
PERFORMED BY：K-391、Alan Walker、Tungevaag、Mangoo、Torine Michelle Bjåland
VOCALS BY：Torine Michelle Bjåland
BACKING VOCALS BY：Torine Michelle Bjåland
VOCAL PRODUCTION BY：STATE
PROGRAMMING BY：K-391、Mangoo、Alan Walker、Tungvaag、James Njie、STATE、Mood Melodies、Halvor Folstad
INSTRUMENTS BY：Edvard Normann (guitar)
RECORDED AT：MER Studios、Uranienborgveien 1 Studio、Skippergata 28 Studio (Oslo、Norway)
MIXED BY：Sören von Malmborg at Basecamp Studios、Stockholm
MASTERING BY：Sören von Malmborg at Cosmos Mastering、Stockholm
LABEL COURTESY：Alan Walker appears courtesy of MER Recordings、Sony Music Entertainment Sweden
We used to hide under the covers
Serenade each other with careless melodies
Something buried deep inside us
The major and the minor
We're like piano keys
You played for me
You played for me
You played for me
I swear it
Even in my sleep I hear it
Like the memory of every
Thing we used to be
You played for me
You played for me
You played for me
We couldn't stop the world from turning
It was like a whirlwind
Scattered us like leaves
But I'm stuck inside a feeling
The song that never leaves
We were like a symphony
You played for me
You played for me
You played for me
I swear it
Even in my sleep I hear it
Like the memory of every
Thing we used to be
You played for me
You played for me
You played for me
You played for me
I swear it
Even in my sleep I hear it
Like the memory of every
Thing we used to be
You played for me
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