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    v127 v233  
    11[[TranslatedPages]]
    22[[PageOutline(2-3,Table of Contents)]]
     3
    34= Download =
    45
    56This page provides basic JOSM installation steps and troubleshooting information.
    6 To start working with JOSM please see the [wiki:Introduction] and the [wiki:Help] pages.
    7 And for very complex issues see [wiki:InstallNotes Installation Notes].
    8 
    9 == Recommended options ==
    10 
    11 [[Image(source:trunk/images/openlocation.png, valign=middle, link=download/josm.jnlp )]] **Launch [/download/josm.jnlp josm.jnlp]** (newest tested version) [[br]] Recommended version, all platforms, automatic update to the newest ''tested version'' monthly ([wiki:#Troubleshootingjnlplink how to launch]).[[br]]
    12 
    13 [[br]]
    14 [[Image(source:trunk/images/download.png, valign=middle, link=)]] **Download [/josm-tested.jar josm-tested.jar]** (tested version [[Version(tested)]]) [[br]] All platforms ([wiki:Download#Troubleshootingjarfile how to start]).
    15 
    16 [[br]]
     7To start working with JOSM please see the [wikitr:/Introduction] and the [wikitr:/Help] pages.
     8And for very complex issues see [wikitr:/InstallNotes Installation Notes].
     9
     10== Recommended options ==#Recommendedoptions
     11[[JOSMImage(openlocation, valign=middle, link=[/download/josm.jnlp])]] **Start [/download/josm.jnlp josm.jnlp]** (newest tested version) \\
     12Recommended version, all platforms, automatic update to the newest ''tested version'' monthly ([#Webstart how to start]). \\ \\
     13
     14[[JOSMImage(download, valign=middle, link=[/josm-tested.jar])]] **Download [/josm-tested.jar josm-tested.jar]** (tested version [[Version(tested)]]) \\
     15All platforms ([#Java how to run]). \\ \\
     16
    1717
    1818== All download options ==#Moredownloadoptions
    19 
    20 Every [/roadmap month] the team of JOSM [wiki:Releases releases] a **tested version** for download.
    21 The MS Windows and Apple Mac variants are built on this tested version.
    22 When you click on josm.jnlp to launch JOSM you will always get the newest tested version. Java's [wiki:InstallNotes#Webstart Web Start] is the mechanism behind this.
     19Every [/roadmap month] the team of JOSM [wikitr:/Releases releases] a **tested version** for download.
     20The MS Windows and Apple macOS variants are built on this tested version.
     21When you click on josm.jnlp to launch JOSM you will always get the newest tested version. Java's [wikitr:/InstallNotes#Webstart Web Start] is the mechanism behind this.
    2322
    2423[=#DevelopmentVersion]
     
    2726For the latest version is also a Web Start variant available.
    2827
    29 
    30 ||= =||||= For all operating systems =||||||||||
    31 ||=Version =||=  Web Start  =||= Download =||= Windows =||= Apple Mac =||= Ubuntu, Debian…  =||= openSUSE =||
    32 ||tested [[Version(tested)]] ||   \
    33 ||   [/download/josm.jnlp josm.jnlp] ||  \
    34 ||   [/josm-tested.jar] ||           \
    35 ||   [[br]] [/download/windows/josm-setup.exe setup.exe] [[br]]''([wiki:USB_Stick portable])'' ||  \
    36 ||   [[br]] [/download/macosx/josm-macosx.zip package.zip] [[br]]''([#MacOSerrors see below])'' ||  \
    37 ||   ''[#Ubuntu see below]'' ||          \
    38 ||   ''[#openSUSE see below]'' ||
    39 ||latest [[Version(latest)]] || \
    40 ||   [/download/josm-latest.jnlp latest.jnlp] ||  \
    41 ||   [/josm-latest.jar] || \
    42 ||   || || ''[#Ubuntu see below]'' || ||
    43 ||=older =|| || [/download/ download/] || || || [/apt/dists/ dists/] || ||
    44 
    45 When running scripts please first check on [/latest latest], [/tested tested] or [/version both] to reduce download bandwidth.
     28||= =||||= **For all operating systems** =|| || || || || ||= **Development** =||
     29||=**Version** =||= **Web Start** =||= **Download** =||= **Windows** =||= **Apple macOS** =||= **Ubuntu, Debian…** =||= **openSUSE** =||= **Arch Linux** =||= **Jar / Javadoc / Source** =||
     30||**tested [[Version(tested)]]** ||  \
     31||  [/download/josm.jnlp josm.jnlp]  ||  \
     32||  [/josm-tested.jar]  ||  \
     33||  \\ [/download/windows/josm-setup.exe josm-setup.exe] \\ [/download/windows/josm-setup.msi josm-setup.msi] \\ [https://apps.microsoft.com/store/detail/josm/XPFCG1GV0WWGZX Microsoft Store]\\ ''([#Mswindowswrapper see below])''  ||  \
     34||  \\ [/download/macosx/josm-macosx.zip JOSM macOS .zip package] \\ ''or ([#macOS homebrew])''  ||  \
     35||  ''[#Ubuntu see below]''  ||  \
     36||  ''[#Opensuse see below]''  ||  \
     37||  ''[#ArchLinux see below]''  ||  \
     38||  [/repository/releases/org/openstreetmap/josm/josm/ josm]:[[Version(tested)]]  ||
     39||**latest [[Version(latest)]]** ||  \
     40||  [/download/josm-latest.jnlp latest.jnlp]  ||  \
     41||  [/josm-latest.jar]  ||  \
     42||  ''see [https://github.com/openstreetmap/josm/releases releases on github]  ||  \
     43||  ''see [https://github.com/openstreetmap/josm/releases releases on github]  ||  \
     44||  ''[#Ubuntu see below]''  || ||  \
     45||  ''[#ArchLinux see below]''  ||  \
     46||  [/repository/snapshots/org/openstreetmap/josm/josm/SNAPSHOT/ Use snapshots]  ||
     47||=''**older**'' =|| ||  \
     48||  [/download/ download/]  ||  \
     49||  ''see [https://github.com/openstreetmap/josm/releases releases on github]  ||  \
     50||  ''see [https://github.com/openstreetmap/josm/releases releases on github]  ||  \
     51||  [/apt/pool/universe/j/ pool/]  || || ||  \
     52||  [/repository/releases/org/openstreetmap/josm/josm/ tested versions]  ||
     53
     54When running scripts please first check on [/latest latest], [/tested tested] or [/version all] to reduce download bandwidth.
    4655
    4756** Strip translations **[=#Striptranslations]  \\
    48 If download size is an issue, smaller files of the tested version are available. For downloads containing only English append [/josm-tested.jar?lang=en ?lang=en] to the URL. To include one translation replace `en` with the [wiki:/TracLanguages language code] you want (lowercase first character, supported languages only). You can further reduce the file size by stripping the signing information off with appending [/josm-tested.jar?lang=en&unsigned=1 ?unsigned=1].
    49 
    50 == Repositories ==
    51 
    52 === openSUSE  ===#openSUSE
    53 
    54 The tested version of JOSM is available in the Application:Geo repository.
    55 
    56 First add as root user in yast or with zypper the repository (replace the version in the URL with the one you are using):
    57 {{{
    58 zypper ar -f http://download.opensuse.org/repositories/Application:/Geo/openSUSE_13.2 Application:Geo
    59 }}}
    60 
    61 Then simply install ''josm'' and ''josm-fonts'' package.
    62 
    63 === Ubuntu ===#Ubuntu
    64 
    65 This is a package repository primarily for Ubuntu. It should also work with other Debian based (especially Ubuntu based) distributions, but we do not actively test and maintain any distributions other than Ubuntu.
     57If download size is an issue, smaller files of the tested version are available. For downloads containing only English append [/josm-tested.jar?lang=en ?lang=en] to the URL. To include one translation replace `en` with the [wikitr:/TracLanguages language code] you want (lowercase first character, supported languages only). You can further reduce the file size by stripping the signing information off with appending [/josm-tested.jar?lang=en&unsigned=1 ?unsigned=1].
     58
     59
     60== Linux Repositories ==
     61=== JOSM's Debian based mainly for Ubuntu ===#Ubuntu
     62This is our own package repository primarily for Ubuntu. It should also work with other Debian based (especially Ubuntu based) distributions, but we do not actively test and maintain any distributions other than Ubuntu.
    6663
    6764The repository contains two packages:
    68 * ''josm''  – Provides the tested version (stable).  Replaces the package from the official Ubuntu repository.
    69 * ''josm-latest'' – The latest version (nightly). Can be installed parallel to the josm package. The default preference folder is {{{~/.josm-latest}}}.
    70 
    71 In addition to the regular procedure described below, older DEBs can be manually downloaded from the [https://josm.openstreetmap.de/apt/pool/universe/j/ archives].
     65* ''josm'' – Provides the tested version (stable). Replaces the package from the official repository of your distribution. The default JOSM directories name is set to `JOSM`.
     66* ''josm-latest'' – The latest version (nightly). Can be installed in parallel to the josm package, therefore the default JOSM directories name is set to `JOSM-latest`.
     67Both packages provide `/etc/default/josm` respectively `/etc/default/josm-latest` as config file for [wikitr:Help/CommandLineOptions#Javaoptions java options].
     68
     69In addition to the regular procedure described below, older DEBs can be manually downloaded from the [/apt/pool/universe/j/ archives].
    7270
    7371==== Installation ====
    74 
    75 Edit the package resource list {{{/etc/apt/sources.list}}}:
    76 
    77 {{{
    78 #!sh
    79 sudo editor /etc/apt/sources.list
     72Edit the package resource list `/etc/apt/sources.list.d/josm.list`:
     73{{{#!sh
     74sudo editor /etc/apt/sources.list.d/josm.list
     75}}}
     76{{{#!comment
     77### below does not work on GNU Debian systems
     78`sudo $EDITOR /etc/apt/sources.list.d/josm.list`
    8079}}}
    8180
    8281and add one of the following lines according to your Ubuntu-Version:
    8382
    84 {{{
    85 #!sh
    86 deb https://josm.openstreetmap.de/apt trusty universe
    87 deb https://josm.openstreetmap.de/apt xenial universe
    88 deb https://josm.openstreetmap.de/apt artful universe
     83{{{#!sh
     84deb [signed-by=/etc/apt/keyrings/josm-apt.gpg] https://josm.openstreetmap.de/apt questing universe
     85deb [signed-by=/etc/apt/keyrings/josm-apt.gpg] https://josm.openstreetmap.de/apt plucky universe
     86deb [signed-by=/etc/apt/keyrings/josm-apt.gpg] https://josm.openstreetmap.de/apt noble universe
     87deb [signed-by=/etc/apt/keyrings/josm-apt.gpg] https://josm.openstreetmap.de/apt jammy universe
     88deb [signed-by=/etc/apt/keyrings/josm-apt.gpg] https://josm.openstreetmap.de/apt focal universe
     89deb [signed-by=/etc/apt/keyrings/josm-apt.gpg] https://josm.openstreetmap.de/apt bionic universe
     90
    8991# For other Debian based distributions add:
    90 deb https://josm.openstreetmap.de/apt alldist universe
    91 }}}
    92 
    93 Alternatively, this can be done with the following one-liner in Ubuntu:
    94 {{{
    95 echo deb https://josm.openstreetmap.de/apt $(lsb_release -sc) universe | ↩
    96 ↪sudo tee /etc/apt/sources.list.d/josm.list > /dev/null
     92deb [signed-by=/etc/apt/keyrings/josm-apt.gpg] https://josm.openstreetmap.de/apt alldist universe
     93}}}
     94
     95Alternatively, this can be done with the following one-liner in Ubuntu (not for Ubuntu based distributions like Linux Mint):
     96{{{#!sh
     97echo "deb [signed-by=/etc/apt/keyrings/josm-apt.gpg] https://josm.openstreetmap.de/apt $(lsb_release -sc) universe" | sudo tee /etc/apt/sources.list.d/josm.list > /dev/null
     98}}}
     99or for Linux Mint:
     100{{{#!sh
     101echo "deb [signed-by=/etc/apt/keyrings/josm-apt.gpg] https://josm.openstreetmap.de/apt $(grep ^DISTRIB_CODENAME= /etc/upstream-release/lsb-release| awk -F = '{print $(2)}') universe" | sudo tee /etc/apt/sources.list.d/josm.list > /dev/null
    97102}}}
    98103
     
    100105### below did not work on all systems
    101106and add the following line:
    102 `
    103 deb https://josm.openstreetmap.de/apt VERSION universe
    104 `
    105 }}}
    106 
    107 Download and register the [[/josm-apt.key|public key]]:
    108 {{{
    109 #!sh
    110 wget -q https://josm.openstreetmap.de/josm-apt.key -O- | sudo apt-key add -
    111 }}}
    112 
    113 Now refresh your sources (you may need to install `sudo apt-get install apt-transport-https`)
    114 {{{
    115 #!sh
     107{{{#!sh
     108`deb [signed-by=/etc/apt/keyrings/josm-apt.gpg] https://josm.openstreetmap.de/apt VERSION universe`
     109}}}
     110}}}
     111
     112Download the [/josm-apt.key public key]:
     113{{{#!sh
     114sudo curl https://josm.openstreetmap.de/josm-apt.key -o /etc/apt/keyrings/josm-apt.gpg
     115}}}
     116
     117In the past, instructions used `apt-key`. If the key was added to system's keyring, following line will remove it. This is never required, except it stops JOSM from signing packages that are NOT josm.
     118{{{#!sh
     119sudo apt-key del $(apt-key list | grep -B1  "<josm-dev@openstreetmap.org>" | sed '$d' | cut -b 48-51,53-57)
     120}}}
     121
     122Now refresh your sources:
     123{{{#!sh
     124# You may need to install ssl support for apt in advance:
     125sudo apt-get install apt-transport-https
     126# Refresh sources
    116127sudo apt-get update
    117128}}}
     129
    118130and install:
    119 ()
    120 {{{
    121 #!sh
     131{{{#!sh
    122132# You can skip this first line if these packages were not installed before.
    123133sudo apt-get remove josm josm-plugins
     
    125135# For the tested version
    126136sudo apt-get install josm
    127 # for the development version
     137# For the development version
    128138sudo apt-get install josm-latest
    129139}}}
     140
     141
     142=== GNU Debian ===#GNUDebian
     143Our own Ubuntu packages, [#Ubuntu above], work on Debian and we recommend to use them. Depending on the setup of `sudo`, some instruction will not work as "normal" user but only as `root`.
     144
     145The tested version of [https://packages.debian.org/stable/josm JOSM] is available under **''main''** in section **''utils''**, but the version is usually quite old. \\
     146Please, use the [https://backports.debian.org backports repository] to get a more up-to-date version, see [https://backports.debian.org/Instructions Instructions]. This version might still be older than our own packages.
     147
     148Since Debian 11 (bullseye) the [https://packages.debian.org/stable/josm-installer josm-installer] is available under **''main''** in section **''utils''**. It downloads the current .jar file from this site and updates it if necessary.
     149
     150=== openSUSE  ===#Opensuse
     151The tested version of JOSM is available in the Application:Geo repository.[=#openSUSE]
     152
     153First add as root user in yast or with zypper the repository (for Tumbleweed replace **$releasever** with **openSUSE_Tumbleweed**):
     154{{{#!sh
     155zypper ar -f 'https://download.opensuse.org/repositories/Application:/Geo/$releasever' Application:Geo
     156}}}
     157
     158Then simply install ''josm'' and ''josm-fonts'' package.
     159
     160=== Arch Linux ===#ArchLinux
     161
     162The official repository contains the `josm` [https://archlinux.org/packages/extra/any/josm/ package], which can be installed via `pacman -S josm`.
     163
     164The Arch user repository (AUR) additionally contains the `josm-latest` [https://aur.archlinux.org/packages/josm-latest package] with the latest version of JOSM.
     165Use your AUR helper to install this package.
     166
     167Both packages are third-party-packages and not maintained by the JOSM-team.
    130168
    131169== Troubleshooting ==
    132170=== Java ===#Java
    133 [=#Doubleclickonafiledoesnothing When you double-click on a jar file and nothing happens] in most cases this means Java isn't installed.
    134 
    135 JOSM is tested with Oracles variant, so we recommend to get Java from their [https://www.java.com/en/download/manual.jsp manual download] page. But first give the Java already distributed with the operating system a try, [https://en.wikipedia.org/wiki/OpenJDK for example].
     171When you double-click on a jar file and nothing happens in most cases this means Java isn't installed.
     172
     173JOSM 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].
     174
    136175
    137176When choosing a download keep in mind:
     
    140179 * Avoid pages like www.java.com/en/download which intent to place Java Plug-ins in web browsers. And this is **not** important for JOSM.
    141180
    142 For further information visit the [InstallNotes Installation Notes] and [https://www.java.com/en/download/help/troubleshoot_java.xml troubleshooting] pages.
     181For further information visit the [wikitr:/InstallNotes Installation Notes] and [https://www.java.com/en/download/help/troubleshoot_java.xml troubleshooting] pages.
    143182''Java'' in this section means a JRE (Java Runtime Engine) which provides a JVM (Java Virtual Machine) to run JOSM, a Java program that is developed using JDK (Java Development Kit) and sometimes launched with the JNLP (Java Network Launch Protocol aka Web Start and successor of Java Plug-ins).
    144183
    145 ==== Testing Java ====#Javatest
     184==== Testing Java ====#JavaTest
    146185[=#Troubleshootingjarfile] Checks if Java is installed and why JOSM does not start (example mainly for MS Windows).
    1471861. Download [/josm-tested.jar josm-tested.jar] to your desktop.
     
    1491881. Type `cd %homepath%`⏎ and type `cd Desktop`⏎
    1501891. Type `java -version `⏎ Three lines with the version data should appear. If you see something else then Java is not properly installed.
    151 1. Type `java -jar josm-tested.jar`⏎. Now JOSM should run, started from the [wiki:/Help/CommandLineOptions Command Line].
     1901. Type `java -jar josm-tested.jar`⏎. Now JOSM should run, started from the [wikitr:/Help/CommandLineOptions Command Line].
    1521911. Quit JOSM.
    1531921. Type `josm-tested.jar`⏎. If JOSM starts again, the Windows Explorer is ready for double clicks on jar files.
    154193
    155194
    156 === Web Start ===
     195=== Web Start ===#Webstart
    157196[=#Troubleshootingjhlplink]
    158 Launching JOSM via Web Start has many more error causes than the traditional way with first downloading a jar file and afterwards starting it.
    159 So please test [#JavaTest Java] first and then run the tests described below or elsewhere [https://www.java.com/en/download/faq/java_webstart.xml Web Start issues].
     197You need to install [https://openwebstart.com/ OpenWebStart] first. It will download and run Java by itself. Please use the 64 bit (`x64`) version of OpenWebStart if you are on Microsoft Windows. The transition from Oracle WebStart to OpenWebStart is still in progress, so in case of issue please create a [/newticket new ticket] or post a comment to #17858.
     198
     199You may need to update the default application for opening JNLP files if you previously used Oracle WebStart. See [https://openwebstart.com/docs/OWSGuide.html#_jnlp_file_association jnlp file association] for instructions on setting OpenWebStart as the default program for jnlp files.
    160200
    161201==== Testing Web Start ====#Webstarttest
    162 1. Download [/josm-tested.jar josm.jnlp] to your desktop.
     2021. Download [/download/josm.jnlp josm.jnlp] to your desktop.
    1632031. Open a Terminal and move to the Desktop as above
    164 1. Type `javaws josm.jnlp`⏎. This should initially download JOSM, serve a security dialog and then launch JOSM.
     2041. Type `javaws josm.jnlp`⏎. This should initially download JOSM, show a security dialog and then launch JOSM.
     2051. If that fails, then type `javaws -verbose josm.jnlp`⏎. This should first show a dialog with information about the JVM and then launch JOSM.
    165206
    166207
    167208=== Virtual Machine ===#Troubleshootingjvm
    168 
    169209==== Out of memory ====
    170 
    171210Nowadays manually controlling Javas memory is seldom needed because available RAM on computers has grown.
    172211Wrongly chosen values can decrease JOSM performance.
    173212
    174213For 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.
    175 If needed, use the [wiki:Help/CommandLineOptions command line] to set the [https://docs.oracle.com/javase/8/docs/technotes/tools/unix/java.html#BABHDABI Java Option] -Xmx…m, for example `-Xmx512m` or `-Xmx1536m`.
     214If 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`. \\
    176215Formerly older java programs accepted `-Xmx=512m` or even `-Xmx 512m`. Now those malformed arguments throw error messages.
    177216
    178 
    179217==== VM selection ====#VMselectiononWindowsx64
    180 
    181218On current versions of MS Windows by default Java is installed mainly in the `C:\Program Files\Java\` directory. Additional parts are placed in `C:\Program Files\Oracle\Java\`. There is a `.\javapath\` directory as target for the PATH environment variable. It is the home for the three virtual files `java.exe`, `javaw.exe` and `javaws.exe`. This files are symbolic links form the current Java installations.
    182219
    183220On older versions of 64 bit Windows sometimes the 32 bit mode JRE was additionally installed.  Also some browsers brought their own JVM with limited capabilities. In those cases a Web Start from the browser would not use your Java installation but that from the browser.
    184221
    185 Check that there's no other javawebstart in {{{\Windows\SysWow64}}}. The Java control panel will not detect it and you can safely delete it. Perfom cleanup and only keep the latest versions of each JRE (One or the 32-bit mode, another one for the 64-bit mode).
    186 
    187 For shortcuts created on the desktop for JNLP and running the Javawebstart launcher , make sure to pass VM parameters prefixed with -J and no intermediate space before the VM option. If you have installed both the 32-bit and 64-bit version, you should pass the option "{{{-d64}}}" if you want to select the preferred 64-bit VM. Note that some Oracle documentation pages indicate the option "-D64" with the incorrect capitalization!)
     222Check that there's no other javawebstart in `\Windows\SysWow64`. The Java control panel will not detect it and you can safely delete it. Perform cleanup and only keep the latest versions of each JRE (One or the 32-bit mode, another one for the 64-bit mode).
     223
     224For shortcuts created on the desktop for JNLP and running the Javawebstart launcher , make sure to pass VM parameters prefixed with -J and no intermediate space before the VM option. If you have installed both the 32-bit and 64-bit version, you should pass the option "`-d64`" if you want to select the preferred 64-bit VM. Note that some Oracle documentation pages indicate the option "-D64" with the incorrect capitalization!)
    188225
    189226Example of an edited command line for a shortcut on the windows desktop:
     
    193230}}}
    194231
    195 === Windows josm.exe ===#Mswindowswrapper
    196 
     232=== Microsoft Windows ===#MSWindows
     233==== josm.exe ====#Mswindowswrapper
    197234Using josm-setup.exe for installation on Microsoft Windows does the following:
    198  * Puts the files `josm-tested.jar` and `josm.exe` in directory chosen by the user, default is `C:\Program Files (86)\JOSM\`
    199  * Suggests to register josm.exe as target for the file extensions `*.osm` and `*.gpx`.
    200  * Suggests to place JOSM shortcut icons on the Desktop and in the Start Menu (Currently they are placed for an admin [ticket:11398 only] and can be copied from there).
    201  * Asks if the Plug-Ins Imagery offset database and Turn restrictions should be provided.
     235 * Puts two executable files `JOSM.exe` and `HWConsole.exe` in directory `%LOCALAPPDATA%\JOSM`
     236 * Registers JOSM.exe as target for the file extensions `*.osm`, `*.geojson`, `*.gpx`, `*.jos` and `*.joz`.
     237 * Places JOSM shortcut icons on the Desktop and in the Start Menu.
    202238 * Adds uninstall data at the appropriate places.
    203239
    204 When starting, josm.exe searches its directory for the jar file and runs the command `\path\to\javaw.exe -Xms128m -Xmx1024m -jar \path\to\josm-tested.jar`.
    205 Josm.exe acts as a ''wrapper'' and is [wiki:/USB_Stick portable].
    206 
    207 When josm.exe finds the argument `--l4j-debug`, it writes the log file `launch4j.log` into the current directory if that is writeable. Some other [http://launch4j.sourceforge.net/docs.html#Runtime_options options] are possible and all usual [wiki:/Help/CommandLineOptions#Programarguments JOSM Program arguments] too. See example:
     240When starting, JOSM.exe starts JOSM with an embedded version of Java maintained by JOSM developers, based on Azul Zulu.
     241JOSM.exe acts as a ''wrapper'' and is [wikitr:/USB_Stick portable].
     242
     243HWConsole.exe is similar to JOSM.exe but start JOSM while keeping open a Windows console displaying JOSM standard output (logs).
     244
     245JOSM.exe accepts all usual [wikitr:/Help/CommandLineOptions#Programarguments JOSM Program arguments]. See example:
    208246
    209247{{{
    210248#!sh
    211 # Write a log while starting JOSM and load OSM data
    212 josm.exe --l4j-debug http://www.osm.org/way/476702262
    213 }}}
    214 
    215 
    216 === MacOS Errors ===
    217 [=#MacOSXMountainLionErrors]
     249# Load OSM data
     250josm.exe https://www.osm.org/way/476702262
     251}}}
     252
     253For giving [wikitr:/Help/CommandLineOptions#Javaoptions Java options] to the Java VM, JOSM.exe uses the configuration file `JOSM.cfg` in its app sub-directory. In this file, each option must be on a separate line.
     254
     255For example, to change memory allocation, open `%LOCALAPPDATA%\JOSM\app\JOSM.cfg` and add `java-options=-Xmx8192m` (for 8 GB) to a new line under the `[JavaOptions]` header.
     256
     257==== Graphics ====#MicrosoftWindowsGraphics
     258Some Windows installations have graphics driver issues (see #23784 for an example). This may exhibit symptoms such as:
     259* Black bars in JOSM toolbars
     260* Flickering
     261* Other unexpected user interface issues
     262
     2631. Download and install Display Driver Uninstaller (DDU, [https://github.com/Wagnard/display-drivers-uninstaller source]) from the official mirror => https://www.wagnardsoft.com/display-driver-uninstaller-DDU-
     2642. From the "Device Type" drop-down on the right, select "GPU". DDU will automatically detect the GPU you're using.
     2653. Click on "Clean and Restart" at the top. This will uninstall the graphics drivers and restart your PC.
     2664. Reinstall the drivers.
     267
     268//**WARNING: Create a backup of your PC before using DDU. Although it creates a recovery point by itself, it's ideal to make one yourself just in case.**//
     269
     270=== macOS ===#macOS
     271[=#MacOSErrors][=#MacOSXMountainLionErrors][=#Macoserrors]
    218272{{{
    219273#!comment
    220274old section title, keeping as anchor for old links
    221275}}}
    222 ==== Downloaded from the internet ====
    223 If you get an error saying "'JOSM.app' is an application downloaded from the internet." you can bypass this by **right-clicking on JOSM.app** or josm.jnlp and selecting 'open'. You should then see the same message but this time with an option to "Open" regardless. This is only necessary on the first run of JOSM.
    224 
    225 ==== Damaged ====
    226 [[Image(#8787:damaged_josm_app.png,width=300,align=right,margin-top=-50,margin-left=30)]]
    227 If you get an error saying "'JOSM.app' is damaged and can't be opened. You should move it to the Trash", then you need to temporarily disable Gatekeeper.
    228 
    229 Open System Preferences and the 'Security & Privacy' options. Set 'Allow applications downloaded from:' to 'Anywhere'.
    230 
    231 If that radio button is missing from the Security & Privacy preferences panel, open the Terminal window. The following command may become the radio button to appear. [[Image(SecurityPrivacy.png,align=right,float=left,width=300)]]
    232 {{{
    233 sudo spctl --master-disable
    234 }}}
    235 
     276
     277==== Using brew ====#brew
     278macOS users may use the [https://brew.sh/ homebrew] package manager to install and update their JOSM instance.
     279
     280In Terminal, run the `brew install --cask josm` to install or `brew upgrade --cask josm` to upgrade to the current tested version of JOSM.
     281
     282=== Linux ===#linux
     283==== Arch Linux ====
     284Using AUR you can install [https://aur.archlinux.org/packages/openwebstart-bin openwebstart-bin].
     285
     286If you use [https://archlinux.org/packages/extra/x86_64/icedtea-web/ icedtea-web] instead of the recommended openwebstart you will get an error with the newest java. java-17-openjdk is known to work, but java-22-openjdk do not.
    236287
    237288
    238289=== Known issues ===
    239 
    240 Not closed issues about ...:
    241 * [https://josm.openstreetmap.de/query?status=!closed&type=defect&keywords=~java Java issues] - some of the bugs lead to blockers in Oracle JVM (covered at [[JavaBugs]]).
    242 * [https://josm.openstreetmap.de/query?status=assigned&type=defect&status=needinfo&status=new&status=reopened&keywords=~linux&order=priority Linux]
    243 * [https://josm.openstreetmap.de/query?status=assigned&type=defect&status=needinfo&status=new&status=reopened&keywords=~ubuntu&order=priority Ubuntu]
    244 * [https://josm.openstreetmap.de/query?status=assigned&type=defect&status=needinfo&status=new&status=reopened&keywords=~macos&order=priority MacOS]
    245 * [https://josm.openstreetmap.de/query?status=assigned&type=defect&status=needinfo&status=new&status=reopened&keywords=~windows&order=priority Windows]
     290Not closed issues about …:
     291* [/query?status=!closed&type=defect&keywords=~java Java issues] - some of the bugs lead to blockers in Oracle JVM (covered at [wiki:JavaBugs JavaBugs]).
     292* [/query?status=assigned&type=defect&status=needinfo&status=new&status=reopened&keywords=~linux&order=priority Linux]
     293* [/query?status=assigned&type=defect&status=needinfo&status=new&status=reopened&keywords=~ubuntu&order=priority Ubuntu]
     294* [/query?status=assigned&type=defect&status=needinfo&status=new&status=reopened&keywords=~macos&order=priority macOS]
     295* [/query?status=assigned&type=defect&status=needinfo&status=new&status=reopened&keywords=~windows&order=priority Windows]