On Tue, May 3, 2011 at 1:43 PM, Millies, Sebastian <[email protected]> wrote: >> -----Original Message----- >> From: Simon Laws [mailto:[email protected]] >> Sent: Tuesday, May 03, 2011 2:16 PM >> To: [email protected] >> Subject: Re: default binding for local service: serialization question >> >> On Tue, May 3, 2011 at 11:33 AM, Millies, Sebastian >> <[email protected]> wrote: >> > Hello there, >> > >> > >> > >> > I have a very basic question about local interfaces: >> > >> > does Tuscany require parameters passed over a local service interface to be >> > Serializable? > > [snip] > >> > I would assume that a service call from the mapping component over >> > the service reference “mappingCacheService” >> > would simply involve Java reflection, without any >> > Serialization/Deserialization > > [snip] > >> > -- Sebastian >> >> >> Hi Sebastien >> >> Yes, for local services (services with local interfaces) local >> semantics should be in force, i.e. pass by reference. I would not >> expect parameter serialization to be taking place in this case. Do you >> observe something which makes you think that something else is going >> on? >> >> Regards >> >> Simon >> >> -- >> Apache Tuscany committer: tuscany.apache.org >> Co-author of a book about Tuscany and SCA: tuscanyinaction.com > > Yes, I am getting marshalling errors (in the client, before the service is > actually called) in performance tests with many concurrent threads. > > Your answer has confirmed my ruling out one potential cause. I guess I will > now > concentrate on the remote calls: I suspect there may be a problem with the > following > situation: > > @Reference > remoteProxy ... > > private Serializable instanceVariable = ... > > private void callService( Serializable localVariable ) { > remoteProxy.serviceMethod( instanceVariable, localVariable ) > } > > where many concurrent threads try serializing (externalizing?) the shared > instanceVariable > simultaneously. > > Unfortunately, I have not been able to re-create the problem in a toy > example. If the error > persists, I will have to do that. > > -- Sebastian >
Yes, in the remotable case it will serialize. What's the error you're seeing? Simon -- Apache Tuscany committer: tuscany.apache.org Co-author of a book about Tuscany and SCA: tuscanyinaction.com
