Popup Helper code trigger a connection leak

Using context menu leaves a trace on the server side :

22:28:07,624 INFO [CachedConnectionManager] Closing a connection for you. Please close them yourself: org.nuxeo.ecm.core.storage.sql.ra.ConnectionImpl@77c48976
java.lang.Throwable: STACKTRACE
at org.jboss.resource.connectionmanager.CachedConnectionManager.registerConnection(CachedConnectionManager.java:290)
at org.jboss.resource.connectionmanager.BaseConnectionManager2.allocateConnection(BaseConnectionManager2.java:423)
at org.jboss.resource.connectionmanager.BaseConnectionManager2$ConnectionManagerProxy.allocateConnection(BaseConnectionManager2.java:849)
at org.nuxeo.ecm.core.storage.sql.ra.ConnectionFactoryImpl.getConnection(ConnectionFactoryImpl.java:154)
at org.nuxeo.ecm.core.storage.sql.ra.ConnectionFactoryImpl.getSession(ConnectionFactoryImpl.java:222)
at org.nuxeo.ecm.core.api.ejb.DocumentManagerBean.createSession(DocumentManagerBean.java:209)
at org.nuxeo.ecm.core.api.ejb.DocumentManagerBean.getSession(DocumentManagerBean.java:196)
at org.nuxeo.ecm.core.api.AbstractSession.resolveReference(AbstractSession.java:433)
at org.nuxeo.ecm.core.api.AbstractSession.getDataModel(AbstractSession.java:2197)
at org.nuxeo.ecm.core.api.impl.DocumentModelImpl.loadDataModel(DocumentModelImpl.java:436)
at org.nuxeo.ecm.core.api.impl.DocumentModelImpl.getDataModel(DocumentModelImpl.java:447)
at org.nuxeo.ecm.core.api.impl.DocumentModelImpl.getPart(DocumentModelImpl.java:1041)
at org.nuxeo.ecm.core.api.impl.DocumentModelImpl.getProperty(DocumentModelImpl.java:1109)
at org.nuxeo.ecm.core.api.impl.DocumentModelImpl.getPropertyValue(DocumentModelImpl.java:1121)
at org.nuxeo.ecm.webapp.action.PopupHelper.isDocumentHasBlobAttached(PopupHelper.java:266)