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java.lang.NullPointerException: Cannot invoke "top.itning.yunshunas.music.config.DataSourceConfig$DataSourceWrapper.dataSource()" because the return value of "java.util.Map.get(Object)" is null
![截…
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# MySQL8手动安装教程 - itning
下载MySQL 腾讯软件源下载
搜索关键字:mysql-8.0.19-winx64.msi,其中8.0.19换成最新版本
[https://blog.itning.top/post/2020/03/24/mysql8%E6%89%8B%E5%8A%A8%E5%AE%89%E8%A3%85%E6%95%99%E7%A8%8B/](https://b…
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# 记人生中第一次参加校招 - itning
6点半起床,洗漱。学校在荒无人烟的宾县,实在是偏远。无奈只能早起。 做大客车一个小时迷迷糊糊把JVM原理和计算机网络的面试题看了一遍,到地铁站。还好人不多。 坐了半个小时地铁。终于到了哈工大。
[https://blog.itning.top/post/2019/03/17/%E8%AE%B0%E4%BA%BA%E7%94%9F%E4%B8%AD%…
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# ElasticJob源码解析 - itning
ElasticJob 是面向互联网生态和海量任务的分布式调度解决方案,由两个相互独立的子项目 ElasticJob-Lite 和 ElasticJob-Cloud 组成。 它通过弹性调度、资源管控、以及作业治理的功能,打造一个适用于互联网场景的分布式调度解决方案,并通过开放的架构设计,提供多元化的作业生态。 它的各个产品使用统一的作业 API…
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Reproduce:
```
StopStrategies.stopAfterAttempt(0);
```
It will throw print:
```
java.lang.IllegalArgumentException: maxAttemptNumber must be >= 1 but is %d [0]
```
The reason is for guava will…
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Hi, we are experiencing issues using the dependency.
This started between a few days ago to a couple of weeks (unsure because of vacation...).
The logs are telling us this:
`Could not resolve …
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When I open a web page and try to press the back key (physical key), it does not return to the previous page but instead displays a waiting page.
1. When I open A page.
![](https://github.com/itning…
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```
2022-11-29 12:06:59.590 INFO o.a.h.i.e.RetryExec - I/O exception (org.apache.http.conn.UnsupportedSchemeException) caught when processing request to {tls}->socket://192.168.254.254:1888->https:/…
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### How frequently does the bug occur?
Always
### Description
1.我把GTA5从C盘拷贝到D盘
2.复制时发现C盘容量变小
3.通过分析工具发现会多出一个副本。
![image](https://github.com/user-attachments/assets/8ae28c93-3602-478f-a71d-7534d3…
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IMAGE SYNC