SOB-16 Fix a classloading problem with the screening api for Matlab

SVN: 24074

common/source/java/ch/systemsx/cisd/common/api/retry/RetryProxyFactory.java

@@ -42,7 +42,7 @@ public class RetryProxyFactory
             if (proxyTargetInterfaces == null || proxyTargetInterfaces.length == 0)
             {
                 // We could ask CGLIB library to create a proxy even if the object doesn't
-                // implement any interfaces, but we don't want to use this library. 
+                // implement any interfaces, but we don't want to use this library.
                 // Instead, we just return an unchanged object.
                 return proxyTarget;
             } else
@@ -50,7 +50,7 @@ public class RetryProxyFactory
                 ProxyFactory proxyFactory = new ProxyFactory(proxyTarget);
                 proxyFactory.addInterface(RetryProxy.class);
                 proxyFactory.addAdvice(new RetryInterceptor());
-                return (T) proxyFactory.getProxy();
+                return (T) proxyFactory.getProxy(proxyTarget.getClass().getClassLoader());
             }
 
         }