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From Yassine <elas...@users.sourceforge.net>
Subject Re: DataSource from Context files - doesn't work
Date Wed, 01 Apr 2009 10:24:18 GMT
catalina.out


On Wed, Apr 1, 2009 at 12:17 PM, Mighty Tornado
<mighty.tornado@gmail.com> wrote:
> I have the following files in the logs directory:
>
> admin.2009-04-01.log
> catalina.out
> localhost.2009-04-01.log
> catalina.2009-04-01.log
> host-manager.2009-04-01.log
> manager.2009-04-01.log
>
> Which one of them should I VI or LESS to find the complete stack trace for
> the exception?
>
> Also, is there something obviously wrong with my context definition or
> reference? I followed the Tomcat online tutorial to define them.
> Also, previously a regular JDBC code with the same parameters was able to
> access the DB and retrieve the data correctly.
>
> Thank you all.
>
> On Wed, Apr 1, 2009 at 6:09 AM, Yassine <elassad@users.sourceforge.net>wrote:
>
>> don't "tail -f"
>> use less and copy the part containing the exception from its beginning
>> to the end.
>>
>>
>>
>> On Wed, Apr 1, 2009 at 12:07 PM, Mighty Tornado
>> <mighty.tornado@gmail.com> wrote:
>> > Where can I obtain it?
>> > The exception that I posted is the only exception that showed up
>> following
>> > "tail -f *"
>> >
>> > On Wed, Apr 1, 2009 at 6:04 AM, Gregor <rc46fi@googlemail.com> wrote:
>> >
>> >> your log is useless.
>> >> please post the complete stacktrace incl. the type of the exception
>> >>
>> >> rds
>> >>
>> >> gregor
>> >>
>> >> Am 01.04.2009 um 11:57 schrieb Mighty Tornado <mighty.tornado@gmail.com
>> >:
>> >>
>> >>
>> >>  Additional info:
>> >>>
>> >>> I get the following exception in the log when I start the server up:
>> >>>
>> >>> ==> localhost.2009-03-03.log <==
>> >>>   at
>> >>>
>> >>>
>> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
>> >>>   at
>> >>>
>> >>>
>> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
>> >>>   at
>> >>>
>> >>>
>> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
>> >>>   at
>> >>>
>> >>>
>> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
>> >>>   at
>> >>>
>> >>>
>> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
>> >>>   at
>> >>>
>> >>>
>> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
>> >>>   at
>> >>>
>> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845)
>> >>>   at
>> >>>
>> >>>
>> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
>> >>>   at
>> >>> org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
>> >>>   at java.lang.Thread.run(Thread.java:613)
>> >>>
>> >>>
>> >>>
>> >>> I use the following code to get the connection:
>> >>>
>> >>> InitialContext ic = new InitialContext();
>> >>>
>> >>>           if(ic == null)
>> >>>           {
>> >>>               System.out.println("context not found");
>> >>>           }
>> >>>
>> >>>           DataSource ds =
>> >>> (DataSource)ic.lookup("java:comp/env/jdbc/vhousehold");
>> >>>
>> >>>           if(ds == null)
>> >>>           {
>> >>>               System.out.println("DataSource not found");
>> >>>           }
>> >>>
>> >>>           conn = ds.getConnection();
>> >>>
>> >>>           stat = conn.createStatement();
>> >>>
>> >>>           rs = stat.executeQuery("SELECT * FROM family_member ");
>> >>>
>> >>> On Tue, Mar 31, 2009 at 9:36 PM, Mighty Tornado <
>> mighty.tornado@gmail.com
>> >>> >wrote:
>> >>>
>> >>>  Hi I placed the following in context.xml in META-INF.
>> >>>> But the result set is null, what's wrong with my set up?Can anybody
>> >>>> please
>> >>>> advise?
>> >>>>
>> >>>> <?xml version="1.0" encoding="UTF-8"?>
>> >>>> <Context>
>> >>>> <Resource
>> >>>>   auth="Container"
>> >>>>   description="DB Connection"
>> >>>>   name="jdbc/vhousehold"
>> >>>>   type="javax.sql.DataSource"
>> >>>>   password="vhousehold"
>> >>>>   driverClassName="com.mysql.jdbc.Driver"
>> >>>>   maxIdle="2"
>> >>>>   maxWait="5000"
>> >>>>   validationQuery="select * from family_member;"
>> >>>>   username="vhousehold"
>> >>>>   url="jdbc:mysql://localhost:3306/vhousehold"
>> >>>>   maxActive="4"/>
>> >>>> </Context>
>> >>>>
>> >>>> Thanks,
>> >>>>
>> >>>> Ramy.
>> >>>>
>> >>>>
>> >> ---------------------------------------------------------------------
>> >> To unsubscribe, e-mail: users-unsubscribe@tomcat.apache.org
>> >> For additional commands, e-mail: users-help@tomcat.apache.org
>> >>
>> >>
>> >
>>
>>
>>
>> --
>> --
>> Yassine Elassad
>> Bonn, Germany.
>> Fon : +49 228 97629355
>> Mobile : +49 157 74519666
>>
>> PEACE :
>> ( P ) Positive ( E ) Energy ( A ) Always ( C ) Correct ( E ) Errors.
>>
>> ---------------------------------------------------------------------
>> To unsubscribe, e-mail: users-unsubscribe@tomcat.apache.org
>> For additional commands, e-mail: users-help@tomcat.apache.org
>>
>>
>



-- 
--
Yassine Elassad
Bonn, Germany.
Fon : +49 228 97629355
Mobile : +49 157 74519666

PEACE :
( P ) Positive ( E ) Energy ( A ) Always ( C ) Correct ( E ) Errors.

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To unsubscribe, e-mail: users-unsubscribe@tomcat.apache.org
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