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Ching Yi Chan

When Runtime.exec() won't - Java World - 0 views

www.javaworld.com/...jw-1229-traps.html

java

shared by Ching Yi Chan on 23 Jan 08 - Cached
  • Ching Yi Chan on 23 Jan 08
     
    使用 java 執行外部程式的注意事項
linxue

air jordan 11 gamma blue for sale but you're taking for granted that - 0 views

Air jordan 11 gamma Cheap Air Jordan 11 Sale blue for sale but you're taking for granted that i felt enormous pride winning two gold medals for the USA. I love being here. Athletes be believed, The...

air jordan 11 gamma blue for sale

started by linxue on 14 Aug 14 no follow-up yet
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

EasyMock 2.2 Readme - 0 views

www.easymock.org/EasyMock2_2_Documentation.html

*i_learning* mock testing unit-test

shared by Benx Shen on 22 May 07 - Cached
  • EasyMock 2 is a library that provides an easy way to use Mock Objects for given interfaces.
  • EasyMock 2 Benefits Hand-writing classes for Mock Objects is not needed. Supports refactoring-safe Mock Objects: test code will not break at runtime when renaming methods or reordering method parameters Supports return values and exceptions. Supports checking the order of method calls, for one or more Mock Objects.
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