2、 参照Resin install步骤中的配置支持JSP的虚拟主机部分。

常见错误三：java.lang.ClassNotFoundException

500 Servlet Exception

java.lang.ClassNotFoundException: org.gjt.mm.mysql.Driver

                    at com.caucho.util.DynamicClassLoader.loadClass(DynamicClassLoader.java:479)

                    at java.lang.ClassLoader.loadClass(ClassLoader.java:253)

                    at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:313)

                    at java.lang.Class.forName0(Native Method)

                    at java.lang.Class.forName(Class.java:120)

                    at _cnmysql__jsp._jspService(/cnmysql.jsp:4)

                    at com.caucho.jsp.JavaPage.service(JavaPage.java:74)

                    at com.caucho.jsp.Page.subservice(Page.java:485)

                    at com.caucho.server.http.FilterChainPage.doFilter(FilterChainPage.java:176)

                    at com.caucho.server.http.Invocation.service(Invocation.java:278)

                    at com.caucho.server.http.CacheInvocation.service(CacheInvocation.java:129)

                    at com.caucho.server.http.RunnerRequest.handleRequest(RunnerRequest.java:338)

                    at com.caucho.server.http.RunnerRequest.handleConnection(RunnerRequest.java:270)

                    at com.caucho.server.TcpConnection.run(TcpConnection.java:140)

                    at java.lang.Thread.run(Thread.java:484)

Resin 2.0.5 (built Thu Nov 15 17:56:24 PST 2001)

原因可能是：

1、你没有安装驱动程序；

2、驱动程序没有设置到系统CLASSPATH中。

解决办法：

参见 Classes Install 和 edit /etc/profile两部分

常见错误四：Invalid authorization specification

500 Servlet Exception

java.sql.SQLException: Invalid authorization specification: Access denied

for user: ''''hongze@ns.langkey.loc'''' (Using password: YES)

                    at org.gjt.mm.mysql.MysqlIO.init(MysqlIO.java:330)

                    at org.gjt.mm.mysql.Connection.connectionInit(Connection.java:261)

                    at org.gjt.mm.mysql.jdbc2.Connection.connectionInit(Connection.java:89)

                    at org.gjt.mm.mysql.Driver.connect(Driver.java:167)

                    at java.sql.DriverManager.getConnection(DriverManager.java:517)

                    at java.sql.DriverManager.getConnection(DriverManager.java:177)

                    at _cnmysql__jsp._jspService(/cnmysql.jsp:5)

                    at com.caucho.jsp.JavaPage.service(JavaPage.java:74)

                    at com.caucho.jsp.Page.subservice(Page.java:485)

                    at com.caucho.server.http.FilterChainPage.doFilter(FilterChainPage.java:176)

                    at com.caucho.server.http.Invocation.service(Invocation.java:278)

                    at com.caucho.server.http.CacheInvocation.service(CacheInvocation.java:129)

                    at com.caucho.server.http.RunnerRequest.handleRequest(RunnerRequest.java:338)

                    at com.caucho.server.http.RunnerRequest.handleConnection(RunnerRequest.java:270)

                    at com.caucho.server.TcpConnection.run(TcpConnection.java:140)

                    at java.lang.Thread.run(Thread.java:484)

Resin 2.0.5 (built Thu Nov 15 17:56:24 PST 2001)

原因可能是：

1、   源代码中的主机名、数据库名、帐号或者密码输入错误；

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