Why do memory leaks occur in Java? Reasons why static Map references remain even after GC runs, and how to investigate them

I have caused a memory leak in Java before.The cause was data that was temporarily used for game ranking aggregation.Once the aggregation process was finished, that data was no longer needed. However, ...

Javaのメモリリークはなぜ起きる？GCが回ってもstatic Mapの参照が残る理由と調べ方

以前、Javaでメモリリークを起こしたことがあります。 原因になったのは、ゲームのランキング集計で一時的に使っていたデータでした。 集計処理が終われば、そのデータも不要になります。ところが実際にはメモリ上に残り続けていました。 アセンブラなどを扱っていた頃なら、メモリの確保と解放はかなり意識します。一方、JavaにはGC（Garbage Collection）があります。 「使わなくなったオブジェ ...
CSDN博客

深夜警报：CVE-2026-48842 漏洞正在被利用，你的 Roundcube 邮件服务器可能已在“裸奔“

漏洞藏在 Roundcube 的 virtuser_query 插件里——问题出在 PHP preg_replace 函数对反斜杠转义的过滤不够彻底，攻击者构造一段特殊的恶意输入，就能让应用程序乖乖执行被篡改的数据库查询。Roundcube 作为开源 ...
ProPublica

ProPublica — Investigative Journalism and News in the Public Interest

ProPublica revealed that the FBI was circling Sen. Collins over a defense contractor’s donations — until President Trump gutted the unit in charge. Collins has since mustered a defense with a series ...
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