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求助:jsp中tomcat的sql server2000数据库连接池的问题

摘要: 求助:jsp中tomcat的sql server2000数据库连接池的问题

我配了个数据库连接池,一直错误.
tamcat4显示消息：
WebappClassLoader: validateJarFile(G:/javademo/produce_test/web/WEB-INF/lib/servlet.jar) - jar not loaded. See Servlet Spec 2.3, section 9.7.2. Offending class: javax/servlet/Servlet.class
jbuilder9下的消息如下：
信息: Initializing Coyote HTTP/1.1 on port 8083
Starting service Tomcat-Standalone
Apache Tomcat/4.1.29
HostConfig[localhost]: Deploying configuration descriptor jb--default.xml
WebappLoader[]: Deploying class repositories to work directory G:/javademo/produce_test/Tomcat/work
WebappLoader[]: Reloading checks are enabled for this Context
StandardManager[]: Seeding random number generator class java.security.SecureRandom
....
WebappLoader[/web]: Deploy JAR /WEB-INF/lib/naming-factory.jar to G:/javademo/produce_test/web/WEB-INF/lib/naming-factory.jar
WebappLoader[/web]: Deploy JAR /WEB-INF/lib/naming-resources.jar to G:/javademo/produce_test/web/WEB-INF/lib/naming-resources.jar
WebappLoader[/web]: Deploy JAR /WEB-INF/lib/servlet.jar to G:/javademo/produce_test/web/WEB-INF/lib/servlet.jar
WebappClassLoader: validateJarFile(G:/javademo/produce_test/web/WEB-INF/lib/servlet.jar) - jar not loaded. See Servlet Spec 2.3, section 9.7.2. Offending class: javax/servlet/Servlet.class
WebappLoader[/web]: Reloading checks are enabled for this Context
StandardManager[/web]: Seeding random number generator class java.security.SecureRandom
StandardManager[/web]: Seeding of random number generator has been completed
StandardWrapper[/web:default]: Loading container servlet default
StandardWrapper[/web:invoker]: Loading container servlet invoker
CoyoteConnector Coyote can't register jmx for protocol
2006-8-22 16:49:04 org.apache.coyote.http11.Http11Protocol start
信息: Starting Coyote HTTP/1.1 on port 8083
StandardWrapperValve[debugjsp]: Servlet.service() for servlet debugjsp threw exception
org.apache.jasper.JasperException
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:254)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
....
页面错误消息如下：
description The server encountered an internal error () that prevented it from fulfilling this request.
exception org.apache.jasper.JasperException
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:254)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
at org.apache.catalina.core.ApplicationFilterChain.doFilter
.....

root cause java.lang.NullPointerException
at org.apache.jsp.conpool_jsp._jspService(conpool_jsp.java:98)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:137)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:210)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(
....
那位大虾，指点迷津，不胜感激！！

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路过，友情up...

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估计是你的tomcat版本太低，而你的servlet.jar版本太高，相互不能兼容

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不知道。没碰到过在TOMCAT中这么麻烦的配置问题。

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servlet.jar
把这个东东放到TOMCAT中试试

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