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From "Wang, Gonghui" <Wang.Gong...@con-way.com>
Subject NO JdbcConnection class available --cocoon 2.0.3 binary release u sing informix jdbc driver 2.21 on windows
Date Wed, 14 Aug 2002 22:56:13 GMT
I am using cocoon 2.0.3 under tomcat 4.0.4 to try the employee example. It
works on Oracle database, but fail for Informix database. 
Found the following comment from
org/apache/avalon/excalibur/datasource/InformixDataSource.java

 * Informix doesn't like the JdbcDataSource Component, so we gave it it's
own.
 * Do not use this datasource if you are planning on using your J2EE
server's
 * connection pooling.
 *
 * You must have Informix's JDBC 2.2 or higher jar file, as well as the
extensions
 * jar file (<code>ifxjdbc.jar</code> and <code>ifxjdbcx.jar</code>).
 Also,
this
 * DataSource requires the Avalon Cadastre package because it uses the
MemoryContext.
Both jar exist and I force the driver loaded in wem.xml. But it still fails
and cannot figure out myself from the code. Please help.
thanks

-----------------------------error message from core.log
org.apache.avalon.excalibur.datasource.NoValidConnectionException: No valid
JdbcConnection class available
	at
org.apache.avalon.excalibur.datasource.JdbcConnectionFactory.newInstance(Jdb
cConnectionFactory.java:185)
	at
org.apache.avalon.excalibur.pool.ResourceLimitingPool.newPoolable(ResourceLi
mitingPool.java:629)
	at
org.apache.avalon.excalibur.pool.ValidatedResourceLimitingPool.newPoolable(V
alidatedResourceLimitingPool.java:136)
	at
org.apache.avalon.excalibur.datasource.ResourceLimitingJdbcConnectionPool.ne
wPoolable(ResourceLimitingJdbcConnectionPool.java:79)
	at
org.apache.avalon.excalibur.pool.ResourceLimitingPool.get(ResourceLimitingPo
ol.java:359)
	at
org.apache.avalon.excalibur.pool.ValidatedResourceLimitingPool.get(Validated
ResourceLimitingPool.java:88)
	at
org.apache.avalon.excalibur.datasource.ResourceLimitingJdbcDataSource.getCon
nection(ResourceLimitingJdbcDataSource.java:174)
	at
org.apache.cocoon.www.edi_out.forms.employee_xsp.generate(C:\tom\Apache
Tomcat
4.0\work\Standalone\localhost\cocoon\cocoon-files\org/apache/cocoon/www/edi_
out/forms\employee_xsp.java:467)
	at
org.apache.cocoon.generation.ServerPagesGenerator.generate(ServerPagesGenera
tor.java:258)
	at
org.apache.cocoon.components.pipeline.CachingEventPipeline.process(CachingEv
entPipeline.java:250)
	at
org.apache.cocoon.components.pipeline.CachingStreamPipeline.process(CachingS
treamPipeline.java:399)
	at org.apache.cocoon.www.sitemap_xmap.matchN10833(C:\tom\Apache
Tomcat
4.0\work\Standalone\localhost\cocoon\cocoon-files\org/apache/cocoon/www\site
map_xmap.java:10216)
	at org.apache.cocoon.www.sitemap_xmap.process(C:\tom\Apache Tomcat
4.0\work\Standalone\localhost\cocoon\cocoon-files\org/apache/cocoon/www\site
map_xmap.java:3737)
	at org.apache.cocoon.www.sitemap_xmap.process(C:\tom\Apache Tomcat
4.0\work\Standalone\localhost\cocoon\cocoon-files\org/apache/cocoon/www\site
map_xmap.java:3122)
	at org.apache.cocoon.sitemap.Handler.process(Handler.java:224)
	at org.apache.cocoon.sitemap.Manager.invoke(Manager.java:179)


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