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Posted to users@tomcat.apache.org by Akacem Mohammed <Mo...@arbeitsagentur.de> on 2004/11/08 16:45:01 UTC
Connection pooling under Tomcat 5.0.28 Probleme
Hello every body,
I have read in die archive the e-mail exchange about configuring Datasource in Tomcat for connection pooling. ( I also read the Tomcat doc )
the jar file commons-collection- 3.1.jar, commons-dbcp-1.2.1.jar, commons-pool-1.2.jar und the database driver ifjdbc.jar are in the commons/lib directory.
I got the following Mersage Cannot create JDBC driver of class '' for connect URL 'null' ( someone on the list experienced the same thing with the same Message )
My Configuration is as follow: ( I try to access an informix database )
web.xml :
<resource-ref>
<description>DB Connection to informix</description>
<res-ref-name>jdbc/SteaDB</res-ref-name>
<res-type>javax.sql.DataSource</res-type>
<res-auth>Container</res-auth>
</resource-ref>
Server.xml :
<DefaultContext>
<Resource name="jdbc/SteaDB" auth="Container" type="javax.sql.DataSource"/>
<ResourceParams name="jdbc/SteaDB">
<parameter>
<name>factory</name>
<value>org.apache.commons.dbcp.BasicDataSourceFactory</value>
</parameter>
<!-- Maximum time to wait for a dB connection to become available
in ms, in this example 10 seconds. An Exception is thrown if
this timeout is exceeded. Set to -1 to wait indefinitely.
-->
<parameter>
<name>maxWait</name>
<value>10000</value>
</parameter>
<!-- username and password for dB connections -->
<parameter>
<name>username</name>
<value>usernamer</value>
</parameter>
<parameter>
<name>password</name>
<value>dfdfdf</value>
</parameter>
<!-- Class name for the informix treiber -->
<parameter>
<name>driverClassName</name>
<value>com.informix.jdbc.IfxDriver</value>
</parameter>
<parameter>
<name>url</name>
<value>
jdbc:informix-sqli://s0062033.vt.bb.de:300056/coadb:informixserver=coadbzentral
</value>
</parameter>
<parameter>
<name>removeAbandoned</name>
<value>true</value>
</parameter>
<parameter>
<name>removeAbandonedTimeout</name>
<value>300</value> <!-- in second -->
</parameter>
<parameter>
<name>logAbandoned</name>
<value>true</value>
</parameter>
</ResourceParams>
</DefaultContext>
Thank you for your help
Mohammed
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