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I am having problems connecting to my database since i upgraded to tomcat 5.5 (from 5.0). It seems like 5.5 resource factory is configured a bit different with the resource tag. instead of <parameter> elements within <resource> i now specify through attributes to <resource>. Unfortunately this didnt fix it. I still get the exception:
org.apache.tomcat.dbcp.dbcp.SQLNestedException: Cannot create JDBC driver of class '' for connect URL 'null' at org.apache.tomcat.dbcp.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:780) at org.apache.tomcat.dbcp.dbcp.BasicDataSource.getConnection(BasicDataSource.java:540) at se.peekaboo.db.DatabaseConnector.getConnectionFromConnectionPool(Unknown Source) at se.peekaboo.db.Database.sqlQuery(Unknown Source) at org.apache.jsp.checklogin_jsp._jspService(org.apache.jsp.checklogin_jsp:74) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:99) at javax.servlet.http.HttpServlet.service(HttpServlet.java:802) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:325) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:245) at javax.servlet.http.HttpServlet.service(HttpServlet.java:802) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:825) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:738) at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:526) at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684) at java.lang.Thread.run(Unknown Source) Caused by: java.sql.SQLException: No suitable driver at java.sql.DriverManager.getDriver(Unknown Source) at org.apache.tomcat.dbcp.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:773) ... 24 more
Christopher Zinn
Greenhorn
Joined: Nov 03, 2003
Posts: 13
posted
0
It looks like your url parameter isn't picking up. This is a resource tag that I use to connect to an Oracle database. (It is case sensitive).
Also...
I store all my application parameters in a context.xml.
This doesn't sound like your problem, but if you use context.xml files, in 5.0.x; you would store these in ${TOMCAT_HOME}/webapps. in 5.5.x; you now place them in ${TOMCAT_HOME}/conf/Catalina/localhost