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1. Ö§³ÖJSP 2.1+ £¬ÔÚÿ¸öҪȥ¿ÕÐеÄÒ³ÃæÀï°üº¬ÏÂÃæ´úÂ룺
<%@ page trimDirectiveWhitespaces="true" %> 
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<jsp-config> <jsp-property-group> <url-pattern>*.jsp</url-pattern> <trim-directive-whitespaces>true</trim-directive-whitespaces> </jsp-property-group> </jsp-config> 
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3. Tomcat 5.5.x+£¬ÔÚTomcat°²×°Ä¿Â¼/conf/web.xmlÖÐÕÒµ½Ãû½Ð"jsp"µÄservlet£¬Ìí¼ÓÏÂÃæÒ»¶Î´úÂ룺
<init-param> <param-name>trimSpaces</param-name> <param-value>true</param-value> </init-param> 
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trimSpaces          Should white spaces in template text between  actions or directives be trimmed?  [false]
ÔÚʵ¼Ê²Ù×÷ÖÐÎÒ¼ÓÈëÁË5.5µÄÅäÖõ½Ò³ÃæÖв¢·´¸´Æô¶¯Á˼¸´Îtomcatµ«ÊÇ»¹ÊÇûÓгɹ¦£¬ºóÀ´²ÅÏëµ½JSPÒѾ­±àÒë³ÉservletÁËËùÒÔûÓÐÄܸı䣬½øÈëµ½tomcatÖеÄworkĿ¼°ÑÒѾ­½øÐÐJSP±àÒëµÄclassÈ«²¿É¾³ý£¬ÍÛ¹þ¹þ£¬Õû¸öÊÀ½çÇå¾»ÁË£¬³É¹¦É¾³ý¿ÕÐÐ
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I'm getting a lot of whitespace in my JSP that I don't intend to be there. Why is it appearing and how can I get rid of it?
The extra whitespace is coming from newlines, often at the end of declaration lines at the beginning of the JSP. For example, the following jsp:

<%@ page import='java.util.*' %>
<%@ page import='java.io.*' %>
Hello world
Has newlines in these locations:

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<%@ page import='jav


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