From a71f444bf870bfbc84d8cb527f02b95f4860e43d Mon Sep 17 00:00:00 2001
From: Rsl1122 <djrapitops@hotmail.com>
Date: Sat, 2 Dec 2017 19:48:48 +0200
Subject: [PATCH] Fixed ConcurrentModification related to Export #437

---
 .../djrapitops/plan/utilities/analysis/AnalysisUtils.java    | 5 +++++
 .../plan/utilities/file/export/AnalysisExport.java           | 3 ++-
 .../djrapitops/plan/utilities/file/export/HtmlExport.java    | 2 +-
 .../djrapitops/plan/utilities/file/export/PlayerExport.java  | 3 ++-
 4 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/Plan/src/main/java/com/djrapitops/plan/utilities/analysis/AnalysisUtils.java b/Plan/src/main/java/com/djrapitops/plan/utilities/analysis/AnalysisUtils.java
index 26b4108d2..c4776ad8c 100644
--- a/Plan/src/main/java/com/djrapitops/plan/utilities/analysis/AnalysisUtils.java
+++ b/Plan/src/main/java/com/djrapitops/plan/utilities/analysis/AnalysisUtils.java
@@ -186,6 +186,10 @@ public class AnalysisUtils {
 
         double probability = 1.0;
 
+        if (similarM.isEmpty() && similarW.isEmpty()) {
+            return 0;
+        }
+
         if (!similarM.isEmpty()) {
             int stickM = 0;
             for (StickyData stickyData : stickyStuckM) {
@@ -206,6 +210,7 @@ public class AnalysisUtils {
 
             probability *= (stickW / similarW.size());
         }
+
         return probability;
     }
 
diff --git a/Plan/src/main/java/com/djrapitops/plan/utilities/file/export/AnalysisExport.java b/Plan/src/main/java/com/djrapitops/plan/utilities/file/export/AnalysisExport.java
index 8f26d2ff8..ade092eed 100644
--- a/Plan/src/main/java/com/djrapitops/plan/utilities/file/export/AnalysisExport.java
+++ b/Plan/src/main/java/com/djrapitops/plan/utilities/file/export/AnalysisExport.java
@@ -7,6 +7,7 @@ package main.java.com.djrapitops.plan.utilities.file.export;
 import com.djrapitops.plugin.api.utility.log.Log;
 
 import java.io.IOException;
+import java.util.ConcurrentModificationException;
 import java.util.UUID;
 
 /**
@@ -34,7 +35,7 @@ public class AnalysisExport extends SpecificExport {
         } finally {
             try {
                 this.cancel();
-            } catch (IllegalArgumentException ignore) {
+            } catch (ConcurrentModificationException | IllegalArgumentException ignore) {
             }
         }
     }
diff --git a/Plan/src/main/java/com/djrapitops/plan/utilities/file/export/HtmlExport.java b/Plan/src/main/java/com/djrapitops/plan/utilities/file/export/HtmlExport.java
index 91e235a49..9d82e4088 100644
--- a/Plan/src/main/java/com/djrapitops/plan/utilities/file/export/HtmlExport.java
+++ b/Plan/src/main/java/com/djrapitops/plan/utilities/file/export/HtmlExport.java
@@ -73,7 +73,7 @@ public class HtmlExport extends SpecificExport {
         } finally {
             try {
                 this.cancel();
-            } catch (IllegalArgumentException ignore) {
+            } catch (ConcurrentModificationException | IllegalArgumentException ignore) {
             }
         }
     }
diff --git a/Plan/src/main/java/com/djrapitops/plan/utilities/file/export/PlayerExport.java b/Plan/src/main/java/com/djrapitops/plan/utilities/file/export/PlayerExport.java
index c75c056a0..16d7d1027 100644
--- a/Plan/src/main/java/com/djrapitops/plan/utilities/file/export/PlayerExport.java
+++ b/Plan/src/main/java/com/djrapitops/plan/utilities/file/export/PlayerExport.java
@@ -7,6 +7,7 @@ package main.java.com.djrapitops.plan.utilities.file.export;
 import com.djrapitops.plugin.api.utility.log.Log;
 
 import java.io.IOException;
+import java.util.ConcurrentModificationException;
 import java.util.UUID;
 
 /**
@@ -34,7 +35,7 @@ public class PlayerExport extends SpecificExport {
         } finally {
             try {
                 this.cancel();
-            } catch (IllegalArgumentException ignore) {
+            } catch (ConcurrentModificationException | IllegalArgumentException ignore) {
             }
         }
     }