On Mon, 06 Nov 2006 14:11:46 +0100, Steve Ebersole <[EMAIL PROTECTED]> wrote:

Context classloader can be null...

But it should then be done in the classloader that loaded hibernate; not the system classpath loader which Connection.class will be.

You don't get this error at your end ?

At least i'm not the only one http://opensource.atlassian.com/projects/hibernate/browse/HHH-1629#action_25145 ;)

/max


-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Max Rydahl
Andersen
Sent: Monday, November 06, 2006 5:54 AM
To: hibernate-dev@lists.jboss.org
Subject: [hibernate-dev] Connection proxy error

Hi Steve,

After updating from svn I get the following in alot of tests:

java.lang.IllegalArgumentException: interface
org.hibernate.jdbc.ConnectionWrapper is not visible from class loader
        at java.lang.reflect.Proxy.getProxyClass(Proxy.java:331)
        at java.lang.reflect.Proxy.newProxyInstance(Proxy.java:552)
        at
org.hibernate.jdbc.BorrowedConnectionProxy.generateProxy(BorrowedConnect
ionProxy.java:56)
        at
org.hibernate.jdbc.ConnectionManager.borrowConnection(ConnectionManager.
java:163)
        at
org.hibernate.jdbc.JDBCContext.borrowConnection(JDBCContext.java:111)
        at
org.hibernate.impl.SessionImpl.connection(SessionImpl.java:359)
        at
org.hibernate.test.connections.AggressiveReleaseTest.testBorrowedConnect
ions(AggressiveReleaseTest.java:210)

I fixed it by changing:

public static Connection generateProxy(ConnectionManager
connectionManager) {
                BorrowedConnectionProxy handler = new
BorrowedConnectionProxy( connectionManager );
                return ( Connection ) Proxy.newProxyInstance(
                        Connection.class.getClassLoader(),
                        PROXY_INTERFACES,
                        handler
                );
        }

to

public static Connection generateProxy(ConnectionManager
connectionManager) {
                BorrowedConnectionProxy handler = new
BorrowedConnectionProxy( connectionManager );
                return ( Connection ) Proxy.newProxyInstance(
        
Thread.currentThread().getContextClassLoader(),
                        PROXY_INTERFACES,
                        handler
                );
        }

Connection.class is always loaded via the boot/system clasloader so I
don't get how using its classloader
when generating the proxy would ever work ?




--
--
Max Rydahl Andersen
callto://max.rydahl.andersen

Hibernate
[EMAIL PROTECTED]
http://hibernate.org

JBoss a division of Red Hat
[EMAIL PROTECTED]

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