coll1234567 / BuildTools / 1fbeb7f7120

Commits

md_5 authored 1fbeb7f7120 27 Mar 2022

Java 18 support

Modified


4 4
5 5	public class Bootstrap
6 6	{
7 7
8 8	public static void main(String[] args) throws Exception
9 9	{
10 10	JavaVersion javaVersion = JavaVersion.getCurrentVersion();
11 11
12 12	if ( javaVersion.isUnknown() )
13 13	{
14 -	System.err.println( "* WARNING * Unsupported Java detected (" + System.getProperty( "java.class.version" ) + "). BuildTools has only been tested up to Java 17. Use of development Java versions is not supported." );
14 +	System.err.println( "* WARNING * Unsupported Java detected (" + System.getProperty( "java.class.version" ) + "). BuildTools has only been tested up to Java 18. Use of development Java versions is not supported." );
15 15	System.err.println( "* WARNING * You may use java -version to double check your Java version." );
16 16	}
17 17
18 18	long memoryMb = Runtime.getRuntime().maxMemory() >> 20;
19 19	if ( memoryMb < 448 ) // Older JVMs (including Java 8) report less than Xmx here. Allow some slack for people actually using -Xmx512M
20 20	{
21 21	System.err.println( "BuildTools requires at least 512M of memory to run (1024M recommended), but has only detected " + memoryMb + "M." );
22 22	System.err.println( "This can often occur if you are running a 32-bit system, or one with low RAM." );
23 23	System.err.println( "Please re-run BuildTools with manually specified memory, e.g: java -Xmx1024M -jar BuildTools.jar " + Joiner.on( ' ' ).join( args ) );
24 24	System.exit( 1 );