Hello everybody.
I am writting you because I get this exception ramdonly, I mean,
sometimes happends, sometimes does not.
javax.servlet.ServletException: Cannot create JDBC driver of class ''
for connect URL 'null', cause: No suitable driver
at
org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:825)
at
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:758)
at org.apache.jsp.index_jsp._jspService(index_jsp.java:73)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
at
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:298)
at
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:237)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
at
org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:305)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:186)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214)
at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at
org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:198)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:152)
at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137)
at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
at
org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)
at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:793)
at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:702)
at
org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:571)
at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:644)
at java.lang.Thread.run(Thread.java:534)
I am using MySql 4.0.20a and the driver jar file is
mysql-connector-java-3.0.14.jar, here you have my xml files:
Server.xml:
(...)
<Context path="/bankApp1" docBase="bankApp1" debug="5"
reloadable="true" crossContext="true">
<Logger
className="org.apache.catalina.logger.FileLogger"
prefix="localhost_bankApp1_log." suffix=".txt" timestamp="true"/>
<Resource name="jdbc/bankApp1" auth="Container"
type="javax.sql.DataSource"/>
<ResourceParams name="jdbc/bankApp1">
<parameter>
<name>factory</name>
<value>org.apache.commons.dbcp.BasicDataSourceFactory</value>
</parameter>
<parameter>
<name>maxActive</name>
<value>10</value>
</parameter>
<parameter>
<name>maxIdle</name>
<value>3</value>
</parameter>
<parameter>
<name>maxWait</name>
<value>20</value>
</parameter>
<parameter>
<name>username</name>
<value>tomcat</value>
</parameter>
<parameter>
<name>password</name>
<value>xxxxxxx</value>
</parameter>
<parameter>
<name>driverClassName</name>
<value>com.mysql.jdbc.Driver</value>
</parameter>
<parameter>
<name>url</name>
<value>jdbc:mysql://localhost:3306/bankapp1?autoReconnect=true</value>
</parameter>
</ResourceParams>
</Context>
(...)
And my web.xml:
(...)
<resource-ref>
<res-ref-name>jdbc/bankApp1</res-ref-name>
<res-type>javax.sql.DataSource</res-type>
<res-auth>Container</res-auth>
</resource-ref>
(...)
Please help as soon as you can.
Regards and thanks
--
------------------------------------------------------------------
Carlos J, Bracho M.
"The significant problems we face cannot
be solved at the same level of thinking
we were at when we created them."
Albert Einstein
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