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[ecf-dev] OOM Error using custom RegistrySharedObject and HostContainerSelector - Full Post

Hi all,

sorry for double posting - hotkeys are evil sometimes...

for custom error handling on server side (please see previous discussion on this list as of 27.06.2014 with the subject "Exception Handling of Remote Calls") we use a derived HostContainerSelector and a derived RegistrySharedObject. See code below.

The problem seems to be that we create a instance of RegistrySharedObject (P4RegistrySharedObject()) wich gets added to org.eclipse.ecf.provider.remoteservice.generic.RegistrySharedObject.localRegistryUnregistrationTargets but "no one" calls org.eclipse.ecf.provider.remoteservice.generic.RegistrySharedObject.sendUnregister(RemoteServiceRegistrationImpl) when the remote client disconnects.
So the Map grows over time and finally the server run's into an OutOfMemory Exception after some time.

Any suggestions where the Problem is or what is missing from the implementation?

thanks in advance!

Best Regards, Peter

BTW: we are running ECF 3.13.1.v20160405-1820

extended HostContainerSelector:

protected IRemoteServiceContainer createRSContainer(
@SuppressWarnings("rawtypes") final ServiceReference serviceReference, final Map<String, Object> properties,
final ContainerTypeDescription containerTypeDescription) throws SelectContainerException {
final ISharedObjectContainer container = (ISharedObjectContainer) createContainer(serviceReference, properties,
final ID adapterID = IDFactory.getDefault().createStringID(IRemoteServiceContainerAdapter.class.getName());
final ISharedObjectManager manager = container.getSharedObjectManager();
ISharedObject so = manager.getSharedObject(adapterID);
if (so == null) {
so = new P4RegistrySharedObject();
try {
manager.addSharedObject(adapterID, so, null);
} catch (final SharedObjectAddException e) {
throw new P4ServerException(e);
return new RemoteServiceContainer(container, (IRemoteServiceContainerAdapter) so);

P4RegistrySharedObject extends RegistrySharedObject and just implements a custom getSerializableException method - since the original one is private, it's a copy of the executeRequest method.