请问在tomcat中使用Bean是否要配置web.xml这个文件啊? 可以选择,Bean用起来和Servlet差不多,只是比Servlet多了一些规则。 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 Generated servlet error: [javac] Since fork is true, ignoring compiler setting. [javac] Compiling 1 source file [javac] Since fork is true, ignoring compiler setting. [javac] C:\Program Files\Apache Group\Tomcat 4.1\work\Standalone\localhost\_\count\ts_jsp.java:47: package database does not exist [javac] database.mysqlconnect mysql = null; [javac] ^ [javac] C:\Program Files\Apache Group\Tomcat 4.1\work\Standalone\localhost\_\count\ts_jsp.java:49: package database does not exist [javac] mysql = (database.mysqlconnect) pageContext.getAttribute("mysql", PageContext.PAGE_SCOPE); [javac] ^ [javac] C:\Program Files\Apache Group\Tomcat 4.1\work\Standalone\localhost\_\count\ts_jsp.java:52: package database does not exist [javac] mysql = (database.mysqlconnect) java.beans.Beans.instantiate(this.getClass().getClassLoader(), "database.mysqlconnect"); [javac] ^ [javac] 3 errors这个错误信息是什么意思? 错误信息如下:Generated servlet error: [javac] Since fork is true, ignoring compiler setting. [javac] Compiling 1 source file [javac] Since fork is true, ignoring compiler setting. [javac] C:\Program Files\Apache Group\Tomcat 4.1\work\Standalone\localhost\_\count\ts_jsp.java:47: package database does not exist [javac] database.dbconn con = null; [javac] ^ [javac] C:\Program Files\Apache Group\Tomcat 4.1\work\Standalone\localhost\_\count\ts_jsp.java:49: package database does not exist [javac] con = (database.dbconn) pageContext.getAttribute("con", PageContext.PAGE_SCOPE); [javac] ^ [javac] C:\Program Files\Apache Group\Tomcat 4.1\work\Standalone\localhost\_\count\ts_jsp.java:52: package database does not exist [javac] con = (database.dbconn) java.beans.Beans.instantiate(this.getClass().getClassLoader(), "database.dbconn"); [javac] ^ [javac] 3 errors servlet要用到web.xml,javaBean好像不用,放到tomcat指定root目录下的Web-inf/classes/下面就可以了。好象是说你的database文件夹没有放到ClASSPATH的指定目录下面!或者你把这个文件夹放到tomcat指定root目录下的Web-inf/classes/下面试试看 找不到包这种事情很麻烦但是我那天重新启动了一下tomcat就找到了,你也实施看? 使用javabean不需要配置web.xml,但是需要把编译好的class文件放在web-inf/classes目录下或者将class文件打包成jar文件放在web-inf/lib下你查看一下你的web-inf/classes目录下有没有database这个包,注意大小写 请问如何打包?我的javabean就放在web-inf/classes下面,但是还是不行!我想打包试试,请指教! 可以用jar打包,不过更简单的方法是:比如你有个javabeanpackage myjavabean.TestBean;你建一个javabean.jar的文件夹,然后把你的web-inf/classes下的myjavabean拷进去就行了.哦,要把它放到deploy目录下哦. 不需要配置。同意wumz,see you! 调用bean的jsp文件的路径应该与对应的bean的文件路径一致,如:在 test.jsp中调用classes目录下的 temp.testBean 则test.jsp应放在 temp目录下 ie8访问第三方图片弹【为了保护你的安全 IE已阻止此网站显示】怎么办 如何动态给<s:select 赋值? ul li 中文字不水平居中! FLEX界面切换 tomcat死机问题 关于数据库多级权限的问题,在线等!急 jxl读取Excel的问题 难道这是jbuilder9的bug? 新手上路---高手请进!(servlet call cmp) 希望高手推荐比较好的Java中class反编译工具,谢谢!! 明明有checkbox被选中了,却得不到选中的数量!点解?百思不得其解! 各位大哥,我想请教关于jsp中文问题
[javac] Since fork is true, ignoring compiler setting.
[javac] Compiling 1 source file
[javac] Since fork is true, ignoring compiler setting.
[javac] C:\Program Files\Apache Group\Tomcat 4.1\work\Standalone\localhost\_\count\ts_jsp.java:47: package database does not exist
[javac] database.mysqlconnect mysql = null;
[javac] ^
[javac] C:\Program Files\Apache Group\Tomcat 4.1\work\Standalone\localhost\_\count\ts_jsp.java:49: package database does not exist
[javac] mysql = (database.mysqlconnect) pageContext.getAttribute("mysql", PageContext.PAGE_SCOPE);
[javac] ^
[javac] C:\Program Files\Apache Group\Tomcat 4.1\work\Standalone\localhost\_\count\ts_jsp.java:52: package database does not exist
[javac] mysql = (database.mysqlconnect) java.beans.Beans.instantiate(this.getClass().getClassLoader(), "database.mysqlconnect");
[javac] ^
[javac] 3 errors这个错误信息是什么意思?
Generated servlet error:
[javac] Since fork is true, ignoring compiler setting.
[javac] Compiling 1 source file
[javac] Since fork is true, ignoring compiler setting.
[javac] C:\Program Files\Apache Group\Tomcat 4.1\work\Standalone\localhost\_\count\ts_jsp.java:47: package database does not exist
[javac] database.dbconn con = null;
[javac] ^
[javac] C:\Program Files\Apache Group\Tomcat 4.1\work\Standalone\localhost\_\count\ts_jsp.java:49: package database does not exist
[javac] con = (database.dbconn) pageContext.getAttribute("con", PageContext.PAGE_SCOPE);
[javac] ^
[javac] C:\Program Files\Apache Group\Tomcat 4.1\work\Standalone\localhost\_\count\ts_jsp.java:52: package database does not exist
[javac] con = (database.dbconn) java.beans.Beans.instantiate(this.getClass().getClassLoader(), "database.dbconn");
[javac] ^
[javac] 3 errors
好象是说你的database文件夹没有放到ClASSPATH的指定目录下面!或者你把这个文件夹放到tomcat指定root目录下的Web-inf/classes/下面试试看
但是我那天重新启动了一下tomcat就找到了,你也实施看?
比如你有个javabean
package myjavabean.TestBean;
你建一个javabean.jar的文件夹,然后把你的web-inf/classes下的myjavabean拷进去就行了.
哦,要把它放到deploy目录下哦.