Re: $Proxy33 cannot be cast to com.dsoft.jca.eis.EisConnection

Fri, 10 Oct 2008 10:02:58 -0700

We have some code that tries to imitate DissociatableManagedConnection functionality to avoid connection leaks that wraps the Connection from the ManagedConnection in a proxy that implements all the interfaces the Connection implements. However EisConnectionFactory is casting the connection to EisConnection rather than say IEisConnection... the proxy implements all the interfaces but not the class.
We'll have to think about what to do about this. Perhaps we need a flag to turn on this proxying behavior. Another solution would be to patch TxConnector to implement DissociatableManagedConnection, but considering the level of activity on that project this may not work too well. 


I've opened https://issues.apache.org/jira/browse/GERONIMO-4350 to  
track this issue.


thanks
david jencks


On Oct 10, 2008, at 2:37 AM, Juergen Weber wrote:



Hi,

anybody an idea on this?


I tried the connector on Weblogic server 10.3 and Glassfish 2.1 b54,  
it

works on both.


So I think the problem is with Geronimo. How could I get to the root  
of the

problem?



java.lang.ClassCastException: $Proxy51 cannot be cast to
com.dsoft.jca.eis.EisConnection
        at

com 
.dsoft 
.jca 
.eis.EisConnectionFactory.getConnection(EisConnectionFactory.java:69)


Thanks,
Juergen


Juergen Weber wrote:



I tried to run the TxConnect Socket Connector

(http://txconnect.sourceforge.net/) on Geronimo 2.1.3, a test  
servlet gets
the ConnectionFactory, but on the second line below there is an  
exception:


   ConnectionFactory connectionFactory = (ConnectionFactory)obj;
   Connection connection = connectionFactory.getConnection();
        
Connection: com.dsoft.jca.eis.EisConnectionFactory
17:05:40,981 ERROR [EisConnectionFactory] Problem when getting a
connection
java.lang.ClassCastException: $Proxy33 cannot be cast to
com.dsoft.jca.eis.EisConnection
       at

com 
.dsoft 
.jca 
.eis.EisConnectionFactory.getConnection(EisConnectionFactory.java:69)


        
Anybody an idea what went wrong?

Thanks,
Juergen

geronimo-ra.xml
------------
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<conn:connector
        xmlns:app="http://geronimo.apache.org/xml/ns/j2ee/application-2.0";


xmlns:client="http://geronimo.apache.org/xml/ns/j2ee/application-client-2.0 
"

        xmlns:conn="http://geronimo.apache.org/xml/ns/j2ee/connector-1.2";
        xmlns:dep="http://geronimo.apache.org/xml/ns/deployment-1.2";
        xmlns:ejb="http://openejb.apache.org/xml/ns/openejb-jar-2.2";
        xmlns:name="http://geronimo.apache.org/xml/ns/naming-1.2";
        xmlns:pers="http://java.sun.com/xml/ns/persistence";
        xmlns:pkgen="http://openejb.apache.org/xml/ns/pkgen-2.1";
        xmlns:sec="http://geronimo.apache.org/xml/ns/security-2.0";
        xmlns:web="http://geronimo.apache.org/xml/ns/j2ee/web-2.0.1";>
        <dep:environment>
                <dep:moduleId>
                        <dep:groupId>default</dep:groupId>
                        <dep:artifactId>LinuxRA</dep:artifactId>
                        <dep:version>1.0</dep:version>
                        <dep:type>car</dep:type>
                </dep:moduleId>
        </dep:environment>


        <conn:resourceadapter>

                <conn:resourceadapter-instance>
                        
<conn:resourceadapter-name>LinuxRA</conn:resourceadapter-name>
                        <conn:config-property-setting name="hostname">
                                ubuntu
                        </conn:config-property-setting>

                        <name:workmanager>
                                
<name:gbean-link>DefaultWorkManager</name:gbean-link>
                        </name:workmanager>
                </conn:resourceadapter-instance>



                <conn:outbound-resourceadapter>
                        <conn:connection-definition>
                                <conn:connectionfactory-interface>
                                        javax.resource.cci.ConnectionFactory
                                </conn:connectionfactory-interface>
                                
                                <conn:connectiondefinition-instance>
                                        
<conn:name>MyLinuxConnectionFactory</conn:name>
                                        <conn:config-property-setting

name="driver">com.dsoft.socket.SocketAdapter</conn:config-property- 
setting>

                                        <conn:config-property-setting
name="hostname">ubuntu</conn:config-property-setting>
                                        <conn:config-property-setting
name="port">18136</conn:config-property-setting>
                                        <conn:connectionmanager>
                                                <conn:no-transaction />
                                                <conn:no-pool />
                                        </conn:connectionmanager>
                                </conn:connectiondefinition-instance>
                        </conn:connection-definition>
                </conn:outbound-resourceadapter>
        </conn:resourceadapter>
</conn:connector>



--
View this message in context: 
http://www.nabble.com/%24Proxy33-cannot-be-cast-to-com.dsoft.jca.eis.EisConnection-tp19610387s134p19915090.html

Sent from the Apache Geronimo - Users mailing list archive at  
Nabble.com.


























					Reply via email to