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From Yassine <elas...@users.sourceforge.net>
Subject Re: DataSource from Context files - doesn't work
Date Wed, 01 Apr 2009 10:09:58 GMT
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.
>>>>
>>>>
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>>
>>
>



-- 
--
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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