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Posted to derby-user@db.apache.org by apoorv kulshrestha <ap...@gmail.com> on 2005/07/05 20:07:07 UTC
Unable to integrate Derby with Tomcat
Hi,
I am required to integrate Derby with Tomcat.
I found and followed the following article:
(http://www.ibm.com/developerworks/db2/library/techarticle/dm-0408bader/)
I have been following procedures stated under "Enterprise Scenario" but it
didn't work. Can somebody tell me how to accomplish this integration?
Any suggestions/help on how to run Derby with Tomcat (or JBoss?)
Thanks in Advance,
Apoorv
----------------------------------------------------------------------------------------------------------
The sample jsp page in the article gave following error:
java.sql.SQLException: Cannot load JDBC driver class 'null'
at org.apache.commons.dbcp.BasicDataSource.createDataSource(
BasicDataSource.java:529)
at org.apache.commons.dbcp.BasicDataSource.getConnection(
BasicDataSource.java:312)
at org.apache.jsp.HelloCloudscape_jsp._jspService
(HelloCloudscape_jsp.java:165)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:136)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.jasper.servlet.JspServletWrapper.service(
JspServletWrapper.java:204)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:289)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:240)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(
ApplicationFilterChain.java:247)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(
ApplicationFilterChain.java:193)
at org.apache.catalina.core.StandardWrapperValve.invoke(
StandardWrapperValve.java:260)
at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext
(StandardPipeline.java:643)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java
:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at org.apache.catalina.core.StandardContextValve.invoke(
StandardContextValve.java:191)
at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext
(StandardPipeline.java:643)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java
:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at org.apache.catalina.core.StandardContext.invoke(StandardContext.java
:2396)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java
:180)
at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext
(StandardPipeline.java:643)
at org.apache.catalina.valves.ErrorDispatcherValve.invoke(
ErrorDispatcherValve.java:170)
at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext
(StandardPipeline.java:641)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java
:172)
at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext
(StandardPipeline.java:641)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java
:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at org.apache.catalina.core.StandardEngineValve.invoke(
StandardEngineValve.java:174)
at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext
(StandardPipeline.java:643)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java
:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:223)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java
:405)
at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection
(Http11Protocol.java:380)
at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java
:508)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(
ThreadPool.java:533)
at java.lang.Thread.run(Thread.java:484)
Re: Unable to integrate Derby with Tomcat
Posted by Edson Carlos Ericksson Richter <ed...@mgrinformatica.com.br>.
As far as I can see, the error isn't about Tomcat+Derby integration, but
about Tomcat configuration error.
If you followed a sample, look if the sample is for Tomcat 5.0, because
configuration for Tomcat 5.0 is different from Tomcat 5.5.
While tomcat 5 uses every parameter as node in the XML, 5.5 uses every
parameter as attribute in one node only.
I expect this helps,
Edson Richter
apoorv kulshrestha escreveu:
> Hi,
>
> I am required to integrate Derby with Tomcat.
>
> I found and followed the following article:
> (http://www.ibm.com/developerworks/db2/library/techarticle/dm-0408bader/
> <http://www.ibm.com/developerworks/db2/library/techarticle/dm-0408bader/>)
>
> I have been following procedures stated under "Enterprise Scenario"
> but it didn't work. Can somebody tell me how to accomplish this
> integration?
>
> Any suggestions/help on how to run Derby with Tomcat (or JBoss?)
>
> Thanks in Advance,
> Apoorv
>
> ----------------------------------------------------------------------------------------------------------
> The sample jsp page in the article gave following error:
>
> java.sql.SQLException: Cannot load JDBC driver class 'null'
> at
> org.apache.commons.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:529)
> at
> org.apache.commons.dbcp.BasicDataSource.getConnection(BasicDataSource.java:312)
> at org.apache.jsp.HelloCloudscape_jsp._jspService
> (HelloCloudscape_jsp.java:165)
> at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:136)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
> at org.apache.jasper.servlet.JspServletWrapper.service
> (JspServletWrapper.java:204)
> at
> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:289)
> at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:240)
> at javax.servlet.http.HttpServlet.service (HttpServlet.java:853)
> at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
> at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
>
> at
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:260)
> at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
> at org.apache.catalina.core.StandardPipeline.invoke
> (StandardPipeline.java:480)
> at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> at
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
> at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext
> (StandardPipeline.java:643)
> at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
> at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> at org.apache.catalina.core.StandardContext.invoke
> (StandardContext.java:2396)
> at
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
> at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java
> :643)
> at
> org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:170)
> at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
> at
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172)
> at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
> at org.apache.catalina.core.StandardPipeline.invoke
> (StandardPipeline.java:480)
> at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> at
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
> at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext
> (StandardPipeline.java:643)
> at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
> at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> at org.apache.coyote.tomcat4.CoyoteAdapter.service
> (CoyoteAdapter.java:223)
> at
> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:405)
> at
> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:380)
> at
> org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:508)
> at
> org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:533)
> at java.lang.Thread.run(Thread.java:484)
>
--
Edson Carlos Ericksson Richter
MGR Inform�tica Ltda.
Fones: 3347-0446 / 9259-2993
Re: Unable to integrate Derby with Tomcat
Posted by Stanley Bradbury <St...@gmail.com>.
I agree with edson that this is a configuration problem (specifically:
either the Driver class is not defined (null) or possibly the class-file
containing the Driver class referenced by the JSP datasource is not in
the CLASSPATH being used by the JSP / datasource).
Datasource error indicationg classpath or driver class definition problems:
java.sql.SQLException: Cannot load JDBC driver class 'null'
at
org.apache.commons.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:529)
How to resolve classpath problems depends on the version of Tomcat being
used. Here are references I use when working with Tomcat to help me
sort out such issues. If the driver is properly spcified in the JSP see
the following information:
See the CLASSLOADER how-to for the version you are using at:
http://jakarta.apache.org/tomcat/faq/classnotfound.html
A general post I also find helpful is from::
http://marc.theaimsgroup.com/?l=tomcat-user&m=103843452413727&w=2
<http://marc.theaimsgroup.com/?l=tomcat-user&m=103843452413727&w=2>
and states:
Class loaders are pretty much the wierdest thing about
Java. There are several issues that might be related
to this.
* Tomcat's standard startup script totally ignore your
CLASSPATH variable ..
* Putting JARs in the runtime extensions directory (under
4.0 that means $JAVA_HOME/jre/lib/ext, for 4.1 that
means $CATALINA_HOME/common/endorsed) can cause problems ...
* If the class you are talking about is in the common class
loader (i.e. in common/lib) but the dependent class is
in /WEB-INF/lib, you are guaranteed to get this error.
Hope this helps.
apoorv kulshrestha wrote:
> Hi,
>
> I am required to integrate Derby with Tomcat.
>
> I found and followed the following article:
> (http://www.ibm.com/developerworks/db2/library/techarticle/dm-0408bader/
> <http://www.ibm.com/developerworks/db2/library/techarticle/dm-0408bader/>)
>
> I have been following procedures stated under "Enterprise Scenario"
> but it didn't work. Can somebody tell me how to accomplish this
> integration?
>
> Any suggestions/help on how to run Derby with Tomcat (or JBoss?)
>
> Thanks in Advance,
> Apoorv
>
> ----------------------------------------------------------------------------------------------------------
> The sample jsp page in the article gave following error:
>
> java.sql.SQLException: Cannot load JDBC driver class 'null'
> at
> org.apache.commons.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:529)
> at
> org.apache.commons.dbcp.BasicDataSource.getConnection(BasicDataSource.java:312)
> at org.apache.jsp.HelloCloudscape_jsp._jspService
> (HelloCloudscape_jsp.java:165)
> at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:136)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
> at org.apache.jasper.servlet.JspServletWrapper.service
> (JspServletWrapper.java:204)
> at
> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:289)
> at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:240)
> at javax.servlet.http.HttpServlet.service (HttpServlet.java:853)
> at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
> at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
>
> at
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:260)
> at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
> at org.apache.catalina.core.StandardPipeline.invoke
> (StandardPipeline.java:480)
> at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> at
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
> at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext
> (StandardPipeline.java:643)
> at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
> at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> at org.apache.catalina.core.StandardContext.invoke
> (StandardContext.java:2396)
> at
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
> at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java
> :643)
> at
> org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:170)
> at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
> at
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172)
> at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
> at org.apache.catalina.core.StandardPipeline.invoke
> (StandardPipeline.java:480)
> at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> at
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
> at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext
> (StandardPipeline.java:643)
> at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
> at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> at org.apache.coyote.tomcat4.CoyoteAdapter.service
> (CoyoteAdapter.java:223)
> at
> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:405)
> at
> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:380)
> at
> org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:508)
> at
> org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:533)
> at java.lang.Thread.run(Thread.java:484)
>
Re: Unable to integrate Derby with Tomcat
Posted by "Jean T. Anderson" <jt...@bristowhill.com>.
apoorv kulshrestha wrote:
> Hi,
>
> I am required to integrate Derby with Tomcat.
>
> I found and followed the following article:
> (http://www.ibm.com/developerworks/db2/library/techarticle/dm-0408bader/
> <http://www.ibm.com/developerworks/db2/library/techarticle/dm-0408bader/>)
>
> I have been following procedures stated under "Enterprise Scenario" but
> it didn't work. Can somebody tell me how to accomplish this integration?
Lance Bader's article uses Cloudscape 5.1 so won't work as is with Derby.
I ported Lance's code for his casual scenario for the Derby Tutorial at
http://incubator.apache.org/derby/papers/fortune_tut.html .
Has anyone likewise ported the code for his "Enterprise Scenario" to
Derby? If so, can you post it for others to use?
-jean