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From "Berin Loritsch" <blorit...@apache.org>
Subject RE: SOLVED: Pool: NoValidConnectionException on jdk1.4 -> Berin, please read this
Date Tue, 02 Apr 2002 14:30:30 GMT
> -----Original Message-----
> From: Enke Michael [mailto:Michael.Enke@wincor-nixdorf.com] 
> 
> Hello again,
> one snippet more:
> in the same file (ResourceLimitingJdbcConnectionPool.java 
> also in line 156 you must insert the "3" -> Jdbc3Connection 
> conn = (Jdbc3Connection)poolable; Now you will get your page 
> every time you reload.
> 
> Berin: What did you mean with "I will change it in both classes"?
>                                                    ^^^^^^^^^^^^

Misunderstanding of which class you meant.  It was in the pool
class.  The Pool was altered.  I need to make the ResourceLimitingPool
also work.

> 
> Regards,
> Michael
> 
> Christopher Watson wrote:
> > 
> > > -----Original Message-----
> > > From: Enke Michael [mailto:Michael.Enke@wincor-nixdorf.com]
> > > Sent: 29 March 2002 08:21
> > > To: cocoon-dev@xml.apache.org
> > > Subject: SOLVED: Pool: NoValidConnectionException on jdk1.4 -> 
> > > Berin, please read this
> > >
> > >
> > > Hi,
> > > Tonight I found the solution:
> > > We have a ClassCastException. To solve this for jdk1.4:
> > > Get the daily build from excalibur,
> > > change both JdbcConnection to Jdbc3Connection in line 106 in 
> > > scratchpad/org/apache/avalon/excalibur/datasource/ResourceLimi
> > > tingJdbcConnectionPool.java
> > > Thats it. But - THIS IS ONLY FOR JDK1.4, this doesn't wor 
> for jdk < 
> > > 1.4
> > 
> > I tried this. I had a bit of fun getting the daily build to build - 
> > I'm assuming you do this from build in the all directory? I had to 
> > drop log4j out of logger, move cli and instrument to under all, use 
> > the latest development jars for logkit and framework etc, blah blah 
> > Eventually got it to compile, put all the jars into cocoon, rebuilt 
> > that ...
> > 
> > Start tomcat, which complains about not being able to start cocoon 
> > logger
> > 
> > Now it works EVERY ALTERNATE TIME ?? I run the xsp/esql example
> > 
> > First time it works.
> > Hit refresh and it fails with
> > 
> > Original exception : java.lang.RuntimeException: Could not get the 
> > datasource
> > 
> org.apache.avalon.excalibur.datasource.NoAvailableConnectionException:
> > org.apache.avalon.excalibur.datasource.Jdbc3Connection
> > at
> > 
> org.apache.cocoon.www.docs.samples.xsp.agsql_xsp.generate(X:\jakarta-t
> > omcat-
> > 
> 4.0.4b1\work\localhost\cocoon\cocoon-files\org/apache/cocoon/w
> ww/docs/sample
> > s/xsp\agsql_xsp.java:341)
> > at
> > 
> org.apache.cocoon.generation.ServerPagesGenerator.generate(Ser
> verPagesGenera
> > tor.java:260)
> > at
> > 
> org.apache.cocoon.components.pipeline.CachingEventPipeline.pro
> cess(CachingEv
> > entPipeline.java:251)
> > at
> > 
> org.apache.cocoon.components.pipeline.CachingStreamPipeline.pr
> ocess(CachingS
> > treamPipeline.java:399)
> > at
> > 
> org.apache.cocoon.www.sitemap_xmap.matchN4007D4(X:\jakarta-tom
> cat-4.0.4b1\wo
> > 
> rk\localhost\cocoon\cocoon-files\org/apache/cocoon/www\sitemap
> _xmap.java:985
> > 7)
> > at
> > 
> org.apache.cocoon.www.sitemap_xmap.process(X:\jakarta-tomcat-4
> .0.4b1\work\lo
> > 
> calhost\cocoon\cocoon-files\org/apache/cocoon/www\sitemap_xmap
.java:3675)
> > at
> > 
> org.apache.cocoon.www.sitemap_xmap.process(X:\jakarta-tomcat-4
> .0.4b1\work\lo
> > 
> calhost\cocoon\cocoon-files\org/apache/cocoon/www\sitemap_xmap
.java:3085)
> > at org.apache.cocoon.sitemap.Handler.process(Handler.java:222)
> > at org.apache.cocoon.sitemap.Manager.invoke(Manager.java:179)
> > at 
> org.apache.cocoon.sitemap.SitemapManager.process(SitemapManage
> r.java:154)
> > at org.apache.cocoon.Cocoon.process(Cocoon.java:575)
> > at 
> org.apache.cocoon.servlet.CocoonServlet.service(CocoonServlet.
> java:998)
> > at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
> > 
> > and I can see the port connections getting dropped
> > 
> > Hit refresh and it works again.
> > Hit refresh and it fails again as above.
> > 
> > Eventually, I get nothing back at all
> > 
> > :-{
> > 
> > Is this just me?
> > If not, is it something that could be fixed soon, or would 
> you advise 
> > me to go back to jdk1.3 for the while ??
> > 
> > > To make it relly nice to work for all, Berin will 
> sourround it with 
> > > if(instance of JdbcConnection) ... else if(instance of
> > > Jdbc3Connection) or something like this,
> > > won't you Berin?
> > >
> > > Happy easter again,
> > > Michael
> > >
> > > 
> --------------------------------------------------------------------
> > > -
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> > > For additional commands, email: cocoon-dev-help@xml.apache.org
> > >
> > 
> > 
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