Hi , I'm having some real issues , running programs in Tomcat on my machine.
I just copied a jakarta folder named "jakarta-tomcat-3.3.1a" on to my D: drive (Path : D:\Program Files\jakarta-tomcat-3.3.1a) . I can run simple jsp programs with no database connection. But whenever I try to execute programs with database connections, following error encounters: Error: 500 Internal Servlet Error: javax.servlet.ServletException: [Microsoft][ODBC Driver Manager] The specified DSN contains an architecture mismatch between the Driver and Application at org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:460) at students.ques9.patients_1._jspService(patients_1.java:97) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:119) at javax.servlet.http.HttpServlet.service(HttpServlet.java) at org.apache.tomcat.facade.ServletHandler.doService(ServletHandler.java:574) at org.apache.tomcat.core.Handler.invoke(Handler.java:322) at org.apache.tomcat.core.Handler.service(Handler.java:235) at org.apache.tomcat.facade.ServletHandler.service(ServletHandler.java:485) at org.apache.tomcat.core.ContextManager.internalService(ContextManager.java:917) at org.apache.tomcat.core.ContextManager.service(ContextManager.java:833) at org.apache.tomcat.modules.server.Http10Interceptor.processConnection(Http10Interceptor.java:176) at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:494) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:516) at java.lang.Thread.run(Thread.java:722) Root cause: java.sql.SQLException: [Microsoft][ODBC Driver Manager] The specified DSN contains an architecture mismatch between the Driver and Application at sun.jdbc.odbc.JdbcOdbc.createSQLException(JdbcOdbc.java:6956) at sun.jdbc.odbc.JdbcOdbc.standardError(JdbcOdbc.java:7113) at sun.jdbc.odbc.JdbcOdbc.SQLDriverConnect(JdbcOdbc.java:3072) at sun.jdbc.odbc.JdbcOdbcConnection.initialize(JdbcOdbcConnection.java:323) at sun.jdbc.odbc.JdbcOdbcDriver.connect(JdbcOdbcDriver.java:174) at java.sql.DriverManager.getConnection(DriverManager.java:579) at java.sql.DriverManager.getConnection(DriverManager.java:243) at students.ques9.patients_1._jspService(patients_1.java:64) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:119) at javax.servlet.http.HttpServlet.service(HttpServlet.java) at org.apache.tomcat.facade.ServletHandler.doService(ServletHandler.java:574) at org.apache.tomcat.core.Handler.invoke(Handler.java:322) at org.apache.tomcat.core.Handler.service(Handler.java:235) at org.apache.tomcat.facade.ServletHandler.service(ServletHandler.java:485) at org.apache.tomcat.core.ContextManager.internalService(ContextManager.java:917) at org.apache.tomcat.core.ContextManager.service(ContextManager.java:833) at org.apache.tomcat.modules.server.Http10Interceptor.processConnection(Http10Interceptor.java:176) at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:494) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:516) at java.lang.Thread.run(Thread.java:722) Please do reply or help me with this problem as I tried so many times to fix the problem by trying various solutions. My Laptop details : Windows Edition : Windows 7 System Type : 64-bit Operating System JDK version : jdk1.7.0_07 Jakarta Version : 3.3.1a Looking forward for your early response. Thanks in advance Jeny