From e29da1279bb92d5d03d6f49484767b2e46e6231a Mon Sep 17 00:00:00 2001
From: Eric <biederteric.eb@gmail.com>
Date: Wed, 15 Feb 2017 17:04:32 +0100
Subject: [PATCH] Catch IllegalStateException for getLineOfSight

Closes #79
---
 .../java/de/epiceric/shopchest/utils/ShopUtils.java   | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/main/java/de/epiceric/shopchest/utils/ShopUtils.java b/src/main/java/de/epiceric/shopchest/utils/ShopUtils.java
index dc9abc1..7c49132 100644
--- a/src/main/java/de/epiceric/shopchest/utils/ShopUtils.java
+++ b/src/main/java/de/epiceric/shopchest/utils/ShopUtils.java
@@ -233,7 +233,16 @@ public class ShopUtils {
         if (plugin.getShopChestConfig().only_show_shops_in_sight) {
             HashSet<Material> transparent = new HashSet<>();
             transparent.add(Material.AIR);
-            List<Block> sight = player.getLineOfSight(transparent, (int) plugin.getShopChestConfig().maximal_distance);
+
+            List<Block> sight;
+
+            try {
+                sight = player.getLineOfSight(transparent, (int) plugin.getShopChestConfig().maximal_distance);
+            } catch (IllegalStateException e) {
+                // This method is occasionally throwing this exception but the exact reason is unknown...
+                plugin.debug("Failed to get line of sight: " + e.getMessage());
+                return;
+            }
 
             ArrayList<Shop> shopsInSight = new ArrayList<>();