Prevent crash from a ConversationTracker exception. Fixes BUKKIT-5436

CraftBukkit-Patches/0137-Prevent-crash-from-a-ConversationTracker-exception.patch

@@ -0,0 +1,40 @@
+From bd5de624cf81503ac6f5309bdd61446e9a677518 Mon Sep 17 00:00:00 2001
+From: Devin Ryan <devin@forairan.com>
+Date: Mon, 14 Apr 2014 11:33:48 +1000
+Subject: [PATCH] Prevent crash from a ConversationTracker exception.
+
+Fixes BUKKIT-5436
+
+diff --git a/src/main/java/org/bukkit/craftbukkit/conversations/ConversationTracker.java b/src/main/java/org/bukkit/craftbukkit/conversations/ConversationTracker.java
+index 1d770a5..497d1d7 100644
+--- a/src/main/java/org/bukkit/craftbukkit/conversations/ConversationTracker.java
++++ b/src/main/java/org/bukkit/craftbukkit/conversations/ConversationTracker.java
+@@ -1,10 +1,12 @@
+ package org.bukkit.craftbukkit.conversations;
+ 
++import org.bukkit.Bukkit;
+ import org.bukkit.conversations.Conversation;
+ import org.bukkit.conversations.ConversationAbandonedEvent;
+ import org.bukkit.conversations.ManuallyAbandonedConversationCanceller;
+ 
+ import java.util.LinkedList;
++import java.util.logging.Level;
+ 
+ /**
+  */
+@@ -43,7 +45,11 @@ public class ConversationTracker {
+         LinkedList<Conversation> oldQueue = conversationQueue;
+         conversationQueue = new LinkedList<Conversation>();
+         for(Conversation conversation : oldQueue) {
+-            conversation.abandon(new ConversationAbandonedEvent(conversation, new ManuallyAbandonedConversationCanceller()));
++            try {
++                conversation.abandon(new ConversationAbandonedEvent(conversation, new ManuallyAbandonedConversationCanceller()));
++            } catch (Throwable t) {
++                Bukkit.getLogger().log(Level.SEVERE, "Unexpected exception while abandoning a conversation", t);
++            }
+         }
+     }
+ 
+-- 
+1.8.3.2
+