topic Classloading problem with osgi in Alfresco Archive https://connect.hyland.com/t5/alfresco-archive/classloading-problem-with-osgi/m-p/147980#M103301 <HTML><HEAD></HEAD><BODY><SPAN>Hi,</SPAN><BR /><BR /><SPAN>I'm running Activiti in an OSGI environment, with the engine in one bundle and several other bundles provide the process definitions and related resources.</SPAN><BR /><BR /><SPAN>I've run into a ClassNotFoundException when reading a process variable I've set previously, because the engine bundle classloader does not know the Class of the process variable.</SPAN><BR /><SPAN>Which is normal because it's an implementation and I don't what to export those in my OSGI environment.</SPAN><BR /><BR /><SPAN>So I see a few options to get the deserialization to work but I would like some guidance.</SPAN><BR /><BR /><SPAN>1) Create a custom VariableType for each process variable I want to store. Can I add these dynamically to the configuration depending on the bundles that are active?</SPAN><BR /><BR /><SPAN>2) Forget storing serializable types and convert the object to XML or JSON first and deconvert from string process variable with my own converter.</SPAN><BR /><BR /><SPAN>3) Replace the classloader on the ProcessEngineConfigurationImpl each time you load a process variable so the ReflectUtil will find it.</SPAN><BR /><BR /><SPAN>4) Temporarily replace the classloader of the thread.</SPAN><BR /><BR /><SPAN>5) Other ?</SPAN><BR /><BR /><SPAN>I would preferably not use 3 or 4 because they seem to be cheating OSGI.</SPAN><BR /><BR /><SPAN>So what's the best way? Any tips or tricks?</SPAN></BODY></HTML> Mon, 17 Jun 2013 12:26:50 GMT lvolckaert 2013-06-17T12:26:50Z Classloading problem with osgi https://connect.hyland.com/t5/alfresco-archive/classloading-problem-with-osgi/m-p/147980#M103301 Hi,I'm running Activiti in an OSGI environment, with the engine in one bundle and several other bundles provide the process definitions and related resources.I've run into a ClassNotFoundException when reading a process variable I've set previously, because the engine bundle classloader does not kno Mon, 17 Jun 2013 12:26:50 GMT https://connect.hyland.com/t5/alfresco-archive/classloading-problem-with-osgi/m-p/147980#M103301 lvolckaert 2013-06-17T12:26:50Z Re: Classloading problem with osgi https://connect.hyland.com/t5/alfresco-archive/classloading-problem-with-osgi/m-p/147981#M103302 <HTML><HEAD></HEAD><BODY><SPAN>Solutions one and two seem to be a good solution. I can't think of any other solutions…</SPAN></BODY></HTML> Tue, 18 Jun 2013 08:03:08 GMT https://connect.hyland.com/t5/alfresco-archive/classloading-problem-with-osgi/m-p/147981#M103302 frederikherema1 2013-06-18T08:03:08Z