From: "Enrico Weigelt, metux IT consult" <enrico.weig...@gr13.net>

---
 src/net/sf/freecol/server/model/DiplomacySession.java | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/src/net/sf/freecol/server/model/DiplomacySession.java 
b/src/net/sf/freecol/server/model/DiplomacySession.java
index b36faac37a9..0bd2f1d19dd 100644
--- a/src/net/sf/freecol/server/model/DiplomacySession.java
+++ b/src/net/sf/freecol/server/model/DiplomacySession.java
@@ -19,7 +19,6 @@
 
 package net.sf.freecol.server.model;
 
-import java.util.function.Predicate;
 import java.util.logging.Logger;
 
 import net.sf.freecol.common.model.DiplomaticTrade;
@@ -257,15 +256,19 @@ public class DiplomacySession extends TimedSession {
     private static DiplomacySession findContactSession(Player p1, Player p2) {
         final ServerPlayer s1 = (ServerPlayer)p1;
         final ServerPlayer s2 = (ServerPlayer)p2;
-        final Predicate<Session> pred = s -> (s instanceof DiplomacySession)
+
+        for (Session s : allSessions.values())
+            if ((s instanceof DiplomacySession)
             && ((DiplomacySession)s).getAgreement() != null
             && (((DiplomacySession)s).getAgreement().getContext()
                 == DiplomaticTrade.TradeContext.CONTACT)
             && ((((DiplomacySession)s).getOwner() == s1
                     && ((DiplomacySession)s).getOtherPlayer() == s2)
                 || (((DiplomacySession)s).getOwner() == s2
-                    && ((DiplomacySession)s).getOtherPlayer() == s1));
-        return (DiplomacySession)find(allSessions.values(), pred);
+                    && ((DiplomacySession)s).getOtherPlayer() == s1)))
+            return (DiplomacySession)s;
+
+        return null;
     }
 
     /**
-- 
2.11.0.rc0.7.gbe5a750


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