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Benx Shen

Preventing Java's java.lang.OutOfMemoryError: PermGen space failure | Eric's Agile Answers - 0 views

jroller.com/...20060623

*i_comment* exception java memory permgen_space runtime

shared by Benx Shen on 22 May 07 - Cached
  • The "OutOfMemoryError: PermGen space" message is normally encountered during development activites where a long-running JVM is asked to load/unload builds.
  • The message is a symptom of an incomplete garbage collection sweep where resources are not properly released upon unload/restart. There is no shortage of debate (Hibernate forum, Sun forum, Spring Framework forum ) regarding which codebase is responsible for this symptom, but the finger of blame has been pointed at CGLIB, Hibernate, Tomcat, and even Sun's JVM.
  • In my experience, the most pain-free method of resolving this issue is to switch from Sun's JDK implementation to BEA's freely available JRockit implementation.
  • ...1 more annotation...
  • On a recent project utilizing Tomcat 5.5.12 with Hibernate, I was plagued with this PermGen error, at times even experiencing it during web-based unit testing. Since making the switch to JRockit, I have not encountered this issue even once.
  • Benx Shen on 22 May 07
     
    又是一位和我一樣都慘遭 "PermGen Space" 錯誤的開發者了！
    很奇怪，為何會發生這樣的錯誤呢？
    其中這篇文章所提到的技術，恰巧都是我現在所發生問題的架構，像是 Hibernate, Spring, Tomcat 等，還有 Sun JVM.... Orz
    比較特別的是，多數提供的解決方式，都是去調整 JVM 的設定（-XX:MaxPermSize=256m）。這位老兄則是採用了 BEA JRockit 版本的 JVM 解決此問題，他表示至少這招對他是管用的！
    不過，軟體開發很多時候都會發生這種「魔咒」，這種狀況底下，就好像一個並無可醫的人，只好嘗試各種偏方了！

  • yahya_khk21121 on 12 Jul 17
Benx Shen

jQuery Plugin - FlyDOM: Create DOM on the Fly - 0 views

dohpaz.mine.nu/...jquery.flydom.html

dom jquery-plugin

shared by Benx Shen on 26 Jun 07 - Cached
  • FlyDOM aims to be an easy-to-use plugin for jQuery that makes generating dynamic content quick and easy.
Benx Shen

Use Case 中 include 與 extend 的區別 - 0 views

wakan.blog.51cto.com/...7222

use-case

shared by Benx Shen on 22 May 07 - Cached
    • Benx Shen
      Benx Shen on 22 May 07
       
      include 是指用例中的包含關係，通常發生在多個用例中，有可以提取出來的公共部分（就像提取公因式一樣），例如 UseCaseA 中包括了 a 和 b 兩個流程，而 UseCaseC 中包含了 c 和 b 兩個流程。
    • Benx Shen
      Benx Shen on 22 May 07
       
      extend 則恰好相反。假設 UseCaseA 的功能描述為"發送一條通知"，可是，發送通知的方式可能有許多種，例如通過郵件發送、通過短信發送等。在需求分析階段，可能無法明確到底有多少種方式，在用例分析階段，UseCaseA 需要留出擴展接口，然後把已知的發送方式作為擴展用例給出，例如 UseCaseB 是"通過短信發送"，而 UseCaseC 是"通過郵件發送"
timothypeverhart

Google Chrome for PC Latest Version - 0 views

image

Google Chrome

started by timothypeverhart on 24 Jul 23 no follow-up yet
Đồ Chơi Xe Hơi Cao Cấp AKauto

Phim cách nhiệt ô tô: Sự lựa chọn thông minh cho sự thoải mái và bảo vệ - 3 views

https://x.com/AKautoCenter/status/1711052584700739947 https://telegra.ph/Top-5-B%E1%BB%99-phim-c%C3%A1ch-nhi%E1%BB%87t-%C3%B4-t%C3%B4-h%C3%A0ng-%C4%91%E1%BA%A7u-cho-s%E1%BB%B1-l%E1%BB%B1a-ch%E1%BB%...

#phim_cach_nhiet_o_to #phim_cách_nhiệt_ô_tô #akauto #cac_loai_phim_cach_nhiet #các_loại_phim_cách_nhiệt

started by Đồ Chơi Xe Hơi Cao Cấp AKauto on 08 Oct 23 no follow-up yet
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