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This looks like a crac-related failure. JTR attached.
```
Caused by: java.lang.IllegalAccessException: class jdk.internal.jimage.BasicImageReader cannot access class jdk.internal.crac.Core$Priorit…
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## 자바
### main 메서드와 Basic
* `public static void main(String[] args)`
* `javac`
* `java -jar`
* `classpath`
* 원시(primitive)타입 / 참조(reference)타입
### 클래스 basic
* 클래스 선언
* 인스턴스화
* 생성자
*…
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# Overview
Java Basic Elements
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---------- Bug report ----------
Please include a description about what actions you were performing when the exception occurred:
(You can edit text directly in this window)
1. Running simul…
19BCK updated
1 month ago
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### Environment
- **OS**: Windows 11
- **Java**: 17.0.10
- **Geomesa**: 5.0.0
### Issue
An exception occurs when launching a basic test with the following message:
`java.net.UnknownHostExcepti…
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# Java Optional 基本 & 心得分享 - 艾倫的開發心路歷程
最近我們部門在開發新的微服務都是使用 Java，但許多同事都是寫習慣 PHP 且之前沒有使用過 Java 。由於像 PHP 這種 Script Language 在處理 Undefined Variable 時，只是提示Warning，導致有的同事沒有良好的檢查 null 的習慣。有的同事抱怨 Null Pointer …