Changes between Version 239 and Version 240 of Download


Ignore:
Timestamp:
2026-11-10T09:54:13+01:00 (4 days ago)
Author:
stoecker
Comment:

Update to Java 17

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    v239 v240  
    175175When you double-click on a jar file and nothing happens in most cases this means Java isn't installed.
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    177 JOSM now recommends [https://www.azul.com/downloads/?version=java-21-lts&package=jdk-fx#zulu Azul] or [https://bell-sw.com/pages/downloads/?package=jre-full#mn Bellsoft Liberica] JDK's. Generally speaking, the current Java LTS should be preferred (at time of writing, that would be Java 25), but Java 11 will work. See the [source:/trunk/README README] for current recommendations. But first give the Java already distributed with the operating system a try, [https://en.wikipedia.org/wiki/OpenJDK for example].
     177JOSM now recommends [https://www.azul.com/downloads/?version=java-21-lts&package=jdk-fx#zulu Azul] or [https://bell-sw.com/pages/downloads/?package=jre-full#mn Bellsoft Liberica] JDK's. Generally speaking, the current Java LTS should be preferred (at time of writing, that would be Java 25), but Java 17 will work. See the [source:/trunk/README README] for current recommendations. But first give the Java already distributed with the operating system a try, [https://en.wikipedia.org/wiki/OpenJDK for example].
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    217217For some tasks, JOSM has a large appetite for memory. On the one hand, it may be necessary to configure a memory size that supports more plugins and features. On the other hand can slow machines be stabilized by restricting Java's memory use.
    218 If needed, use the [wikitr:/Help/CommandLineOptions command line] to set the [https://docs.oracle.com/en/java/javase/11/tools/java.html#GUID-3B1CE181-CD30-4178-9602-230B800D4FAE__BABHDABI Java Option] -Xmx…m, for example `-Xmx512m` or `-Xmx1536m`. In Debian/Ubuntu you can edit the file `/etc/default/josm` respectively `/etc/default/josm-latest`. \\
     218If needed, use the [wikitr:/Help/CommandLineOptions command line] to set the [https://docs.oracle.com/en/java/javase/17/docs/specs/man/java.html#extra-options-for-java] -Xmx…m, for example `-Xmx512m` or `-Xmx1536m`. In Debian/Ubuntu you can edit the file `/etc/default/josm` respectively `/etc/default/josm-latest`. \\
    219219Formerly older java programs accepted `-Xmx=512m` or even `-Xmx 512m`. Now those malformed arguments throw error messages.
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