锘??xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>&#31934;&#21697;&#35270;&#39057;&#20013;&#25991;&#23383;&#24149;&#44;&#26085;&#38889;&#27431;&#32654;&#20013;&#25991;&#23383;&#24149;&#22312;&#32447;&#35270;&#39057;&#44;&#22312;&#32447;&#32508;&#21512;&#27431;&#32654;</title><link>http://www.aygfsteel.com/ravenix/archive/2005/09/09/12541.html</link><dc:creator>ravenix</dc:creator><author>ravenix</author><pubDate>Fri, 09 Sep 2005 06:30:00 GMT</pubDate><guid>http://www.aygfsteel.com/ravenix/archive/2005/09/09/12541.html</guid><wfw:comment>http://www.aygfsteel.com/ravenix/comments/12541.html</wfw:comment><comments>http://www.aygfsteel.com/ravenix/archive/2005/09/09/12541.html#Feedback</comments><slash:comments>1</slash:comments><wfw:commentRss>http://www.aygfsteel.com/ravenix/comments/commentRss/12541.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/ravenix/services/trackbacks/12541.html</trackback:ping><description><![CDATA[<p>Eclipse 搴旂敤鍙互浣跨敤Java Web Start閮ㄧ講錛屽疄鐜癛ich Client銆?/p>
<p>榪欒姹傛妸鎵�鏈夌殑鎻掍歡鎵撳寘鎴愮嫭绔嬬殑jar錛屽茍涓旇絳劇講瀹冦�?/p>
<p>濡傛灉瑕佺敤鍒板埆浜哄紑鍙戠殑java搴擄紝灝辮鍒╃敤eclipse鎻愪緵鐨凜reate a plug-in project from existing JAR archives 鎶婂畠鍋氭垚 eclipse plugin銆?br>
</p>
<p>Apache
Jakarta鏈夎澶氶」鐩嬌鐢ㄤ簡commons-logging鏉ュ啓log銆傚鏋滅敤鍒頒簡榪欐牱鐨勯」鐩紝浣犱篃闇�瑕佹妸commons-logging鍋氭垚涓�涓?
plugin銆備絾鏄痗ommons-logging鍦ㄤ嬌鐢╡clispe plugin鍖呰騫朵嬌鐢↗ava Web Start閮ㄧ講鏃訛紝瀹冧細鎶涘嚭寮傚父</p>
<p style="border: thin solid ; margin: 16px; padding: 8px; background-color: rgb(204, 204, 204);">LogConfigurationException
: Invalid class loader hierarchy. You have more than one version of
org.apache.commons.logging.Log visible, which is not allowed.</p>
<p>絀跺叾鍘熷洜錛屾槸JCL(Jakarta Commons Logging)涓竴鐩村瓨鍦ㄧ殑classloader闂銆?
</p>
<p>綆�鍗曟潵璇達紝JCL浣跨敤璋冪敤鑰呯殑classloader鍔犺澆Log鎺ュ彛錛岃繖鏄渶甯歌鐨勭被杞藉叆鏂規硶錛涗絾鏄姞杞藉叿浣撶殑瀹炵幇綾繪槸錛岀敤鐨勬槸thread context classloader銆?br>
</p>
<p>閫氬父鎯呭喌涓嬶紝榪欎袱涓猚lassloader鏄悓涓�涓�備絾鏄疎clipse鏈変竴濂楁彃浠剁被鍔犺澆鏈哄埗錛屾瘡涓彃浠朵嬌鐢ㄤ笉鍚岀殑
classloader銆傚湪榪欎釜渚嬪瓙涓紝鍔犺澆Log鎺ュ彛鏄疎clipseClassLoader錛屽姞杞絃og瀹炵幇綾葷殑thread context
classloader鏄疛NLPClassLoader錛屽畠浠茍涓嶇浉鍚屻�傞棶棰樺氨鏉ヤ簡錛岀敤涓嶅悓classloader鍔犺澆鐨勭被琚涓烘槸鏃犲叧鐨勶紝鎵�浠CL
鐨勫疄鐜扮被涓嶈兘璧嬬粰Log鎺ュ彛綾伙紝灝變細鎶涘嚭閭ｄ釜寮傚父銆?
</p>
<p>鍏充簬JCL classloader闂鏇磋緇嗚В閲婏紝璇風湅log4j鐨勫垱濮嬩漢涔嬩竴錛孋eki G眉lc眉鍐欑殑鏂囩珷<br>
<a Taxonomy of class loader problems encountered when using Jakarta Commons Logging"</a>
</p>
<p>涓轟簡瑙ｅ喅榪欎釜闂錛屾垜鍚姩浜嗕竴涓」鐩紝jcleclipse -- 閲嶅啓浜咼CL錛屽浐瀹氬疄鐜頒負鎶婃墍鏈夌殑log鍐欏埌eclipse鑷繁鐨処Log閲屻�傝繖鏍峰氨涓嶇敤瑕佹眰鐢ㄦ埛鍦ㄦ煇涓寚瀹氱殑鍦版柟寤虹洰褰曟潵瀛樺偍log銆?/p>
<p>jcleclipse欏圭洰涓婚〉 <a >http://jcleclipse.sourceforge.net/</a><br>
jcleclipse欏圭洰姒傝 <a >http://sourceforge.net/projects/jcleclipse</a><br>
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