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From 769391e3693495e22429582900873ec508d00dbe Mon Sep 17 00:00:00 2001
From: md_5 <git@md-5.net>
Date: Mon, 23 Dec 2013 14:07:41 +1100
Subject: [PATCH] Warn if PermGen may be insufficient
diff --git a/src/main/java/org/bukkit/craftbukkit/Main.java b/src/main/java/org/bukkit/craftbukkit/Main.java
index 8d127fb..008e037 100644
--- a/src/main/java/org/bukkit/craftbukkit/Main.java
+++ b/src/main/java/org/bukkit/craftbukkit/Main.java
@@ -155,6 +155,22 @@ public class Main {
useConsole = false;
}
+ // Spigot Start
+ int maxPermGen = 0; // In kb
+ for ( String s : java.lang.management.ManagementFactory.getRuntimeMXBean().getInputArguments() )
+ {
+ if ( s.startsWith( "-XX:MaxPermSize" ) )
+ {
+ maxPermGen = Integer.parseInt( s.replaceAll( "[^\\d]", "" ) );
+ maxPermGen <<= 10 * ("kmg".indexOf( Character.toLowerCase( s.charAt( s.length() - 1 ) ) ) );
+ }
+ }
+ if ( Float.parseFloat( System.getProperty( "java.class.version" ) ) < 52 && maxPermGen < ( 128 << 10 ) ) // 128mb
+ {
+ System.out.println( "Warning, your max perm gen size is not set or less than 128mb. It is recommended you restart Java with the following argument: -XX:MaxPermSize=128M" );
+ System.out.println( "Please see http://www.spigotmc.org/wiki/changing-permgen-size/ for more details and more in-depth instructions." );
+ }
+ // Spigot End
System.out.println("Loading libraries, please wait...");
MinecraftServer.main(options);
} catch (Throwable t) {
--
1.9.1
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