From 7ab7c29fe4f3bcdf753e95c7b9385076d792281d Mon Sep 17 00:00:00 2001
From: Gravita <gravita@gravit.pro>
Date: Wed, 22 Sep 2021 10:55:35 +0700
Subject: [PATCH] [FIX] Java 7 found crash

---
 .../src/main/java/pro/gravit/utils/helper/JavaHelper.java    | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/LauncherCore/src/main/java/pro/gravit/utils/helper/JavaHelper.java b/LauncherCore/src/main/java/pro/gravit/utils/helper/JavaHelper.java
index 0aa2f236..b8659a3c 100644
--- a/LauncherCore/src/main/java/pro/gravit/utils/helper/JavaHelper.java
+++ b/LauncherCore/src/main/java/pro/gravit/utils/helper/JavaHelper.java
@@ -141,7 +141,10 @@ public static JavaVersionAndBuild getJavaVersion(String version) {
         JavaVersionAndBuild result = new JavaVersionAndBuild();
         if (version.startsWith("1.")) {
             result.version = Integer.parseInt(version.substring(2, 3));
-            result.build = Integer.parseInt(version.substring(version.indexOf('_') + 1));
+            int pos = version.indexOf('_');
+            if (pos != -1) {
+                result.build = Integer.parseInt(version.substring(pos + 1));
+            }
         } else {
             int dot = version.indexOf(".");
             if (dot != -1) {