RE: No suitable driver error running Tomcat

I'm using Tomcat 6.0.20 as indicated in my original post but this issue is resolved. I think the problem was the CCSID Tomcat was running with. I got an error about that in another part of the application that doesn't use a pooled connection and once I fixed that, this error went away.

Matt

-----Original Message-----
From: java400-l-bounces@xxxxxxxxxxxx [mailto:java400-l-bounces@xxxxxxxxxxxx] On Behalf Of Gary L Peskin
Sent: Friday, August 14, 2009 2:58 PM
To: 'Java Programming on and around the iSeries / AS400'
Subject: RE: No suitable driver error running Tomcat

What version of Tomcat are you on and what, if any, configuration files have
you updated to tell Tomcat about the drivers available to it? The
DriverManager is telling you that no drivers have been registered to it for
this type of URL (jdbc:db2:).

Thanks,
Gary

-----Original Message-----
From: java400-l-bounces@xxxxxxxxxxxx [mailto:java400-l-
bounces@xxxxxxxxxxxx] On Behalf Of Haas, Matt (CL Tech Sv)
Sent: Friday, August 14, 2009 7:15 AM
To: java400-l@xxxxxxxxxxxx
Subject: No suitable driver error running Tomcat

I'm trying to determine if I want to switch to Tomcat or continue with
WebSphere for the app servers we're using and I'm running into a problem
getting JDBC to work. I'm trying to use the native JDBC driver and I'm
getting the following exception:

2009-08-13 21:25:58,515 [http-8081-1] ERROR
com.cl.ecomm.schoolfinder.bo.SchoolsBO - Exception occured in SchoolsBO:
Cannot create JDBC driver of class 'com.ibm.db2.jdbc.app.DB2Driver' for
connect URL 'jdbc:db2://TLOW400/;transaction isolation=none;translate
binary=true;date format=iso;'
org.apache.tomcat.dbcp.dbcp.SQLNestedException: Cannot create JDBC driver
of class 'com.ibm.db2.jdbc.app.DB2Driver' for connect URL
'jdbc:db2://TLOW400/;transaction isolation=none;translate binary=true;date
format=iso;'
at

org.apache.tomcat.dbcp.dbcp.BasicDataSource.createDataSource(BasicDataSourc

e.java:1150)
at

org.apache.tomcat.dbcp.dbcp.BasicDataSource.getConnection(BasicDataSource.j

ava:880)
at

com.cl.ecomm.schoolfinder.bo.SchoolsBO.getSchoolByEntity(SchoolsBO.java:131

)
at

com.cl.ecomm.schoolfinder.SchoolEntityLookupServiceSkeleton.findSchoolByEnt

ity(SchoolEntityLookupServiceSkeleton.java:228)
at

com.cl.ecomm.schoolfinder.SchoolEntityLookupServiceMessageReceiverInOut.inv

okeBusinessLogic(SchoolEntityLookupServiceMessageReceiverInOut.java:321)
at

org.apache.axis2.receivers.AbstractInOutMessageReceiver.invokeBusinessLogic

(AbstractInOutMessageReceiver.java:40)
at

org.apache.axis2.receivers.AbstractMessageReceiver.receive(AbstractMessageR

eceiver.java:114)
at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:173)
at

org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(H

TTPTransportUtils.java:167)
at
org.apache.axis2.transport.http.AxisServlet.doPost(AxisServlet.java:142)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at

org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Applicatio

nFilterChain.java:290)
at

org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterC

hain.java:206)
at

org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.j

ava:233)
at

org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.j

ava:191)
at

org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:12

8)
at

org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:10

2)
at

org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.jav

a:109)
at

org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)

at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849)
at

org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Htt

p11Protocol.java:583)
at
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454)
at java.lang.Thread.run(Thread.java:810)
Caused by:
java.sql.SQLException: No suitable driver
at java.sql.DriverManager.getDriver(DriverManager.java:274)
at

org.apache.tomcat.dbcp.dbcp.BasicDataSource.createDataSource(BasicDataSourc

e.java:1143)
... 23 more

I'm running the 32 bit version of JDK 1.5 on V5R4 and Tomcat 6.0.20.

According the documentation I've read, applications should be able to load
the native JDBC driver without adding anything to the classpath but that
doesn't seem to be the case. I've also tried adding
/QIBM/UserData/Java400/ext/db2_classes.jar to Tomcat's classpath (I'm
setting it in catalina.sh), copying the driver jar file into Tomcat's lib
directory, and copying the driver into the applications lib directory.

None

of these attempts resolved the issue.

Any help with this would be greatly appreciated.

Thanks,

Matt