IDEMPIERE-5048 Minor fix for Scheduler and SvrProcess: set m_trx to null (#989)

org.adempiere.base/src/org/compiere/process/SvrProcess.java

@@ -213,6 +213,7 @@ public abstract class SvrProcess implements ProcessCall
 							unlock();
 							
 							// outside transaction processing [ teo_sarca, 1646891 ]
+							m_trx = null;
 							postProcess(!m_pi.isError());
 							@SuppressWarnings("unused")
 							Event eventPP = sendProcessEvent(IEventTopics.POST_PROCESS);

org.adempiere.server/src/main/server/org/compiere/server/Scheduler.java

@@ -152,7 +152,7 @@ public class Scheduler extends AdempiereServer
 		{
 			if (m_trx != null)
 				m_trx.close();
-
+			m_trx = null;
 			session.logout();
 			getCtx().remove(Env.AD_SESSION_ID);
 		}