37 lines
1.8 KiB
Diff
37 lines
1.8 KiB
Diff
From 464bde6a73a3569e864b6db724a07019916b3d91 Mon Sep 17 00:00:00 2001
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From: md_5 <git@md-5.net>
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Date: Mon, 23 Dec 2013 14:07:41 +1100
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Subject: [PATCH] Warn if PermGen may be insufficient
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diff --git a/src/main/java/org/bukkit/craftbukkit/Main.java b/src/main/java/org/bukkit/craftbukkit/Main.java
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index 9ffd897..f039fbf 100644
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--- a/src/main/java/org/bukkit/craftbukkit/Main.java
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+++ b/src/main/java/org/bukkit/craftbukkit/Main.java
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@@ -158,6 +158,22 @@ public class Main {
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useConsole = false;
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}
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+ // Spigot Start
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+ int maxPermGen = 0; // In kb
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+ for ( String s : java.lang.management.ManagementFactory.getRuntimeMXBean().getInputArguments() )
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+ {
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+ if ( s.startsWith( "-XX:MaxPermSize" ) )
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+ {
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+ maxPermGen = Integer.parseInt( s.replaceAll( "[^\\d]", "" ) );
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+ maxPermGen <<= 10 * ("kmg".indexOf( Character.toLowerCase( s.charAt( s.length() - 1 ) ) ) );
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+ }
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+ }
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+ if ( Float.parseFloat( System.getProperty( "java.class.version" ) ) < 52 && maxPermGen < ( 128 << 10 ) ) // 128mb
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+ {
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+ 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" );
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+ System.out.println( "Please see http://www.spigotmc.org/wiki/changing-permgen-size/ for more details and more in-depth instructions." );
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+ }
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+ // Spigot End
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System.out.println("Loading libraries, please wait...");
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MinecraftServer.main(options);
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} catch (Throwable t) {
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--
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2.1.0
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