Changes between Version 233 and Version 236 of Download


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    v233 v236  
    8282
    8383{{{#!sh
     84deb [signed-by=/etc/apt/keyrings/josm-apt.gpg] https://josm.openstreetmap.de/apt resolute universe
    8485deb [signed-by=/etc/apt/keyrings/josm-apt.gpg] https://josm.openstreetmap.de/apt questing universe
    8586deb [signed-by=/etc/apt/keyrings/josm-apt.gpg] https://josm.openstreetmap.de/apt plucky universe
    … …  
    171172When you double-click on a jar file and nothing happens in most cases this means Java isn't installed.
    172173
    173 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 17), 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].
     174JOSM 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].
    174175
    175176
    … …  
    208209=== Virtual Machine ===#Troubleshootingjvm
    209210==== Out of memory ====
    210 Nowadays manually controlling Javas memory is seldom needed because available RAM on computers has grown.
     211Nowadays manually controlling Java's memory is seldom needed because available RAM on computers has grown.
    211212Wrongly chosen values can decrease JOSM performance.
    212213
    213 For 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 Javas memory use.
     214For 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.
    214215If 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`. \\
    215216Formerly older java programs accepted `-Xmx=512m` or even `-Xmx 512m`. Now those malformed arguments throw error messages.