wiki:Download

Download

This portal provides basic JOSM installation steps and troubleshooting information.

Most likely, you want to learn about JOSM features and access help portal or read about your very first edit in JOSM afterwards.

Recommended options

One of the two options above should work. Information below is optional and for troubleshooting.







More download options

Note that there are fairly regular updates, so always try running a recent version (and also recent plugins).

OS Independent Web Start Windows Mac OS X Ubuntu, … openSUSE
tested 11223 jar jnlp setup.exe (portable) package.zip (first run error) see below see below
latest 11371 jar jnlp see below
older download/

latest or tested or webstart

Mirrors

urllocationspeedupdate frequencycomment
http://josm.openstreetmap.de/downloadGermanyup to 1gbitinstantlymain site
http://gis-lab.info/programs/josmMoscow,Russiaup to 50mbitdailydownloads

  • Prepare a USB flash drive to use JOSM on any foreign Windows machine.
  • For download scripts use version check for latest and tested (or both) to reduce download bandwith

Troubleshooting

Troubleshooting jar file

Double click on a file does nothing

In most cases this means Java (JVM) wasn't installed. JOSM is tested and developed with Oracle JVM, therefore it is recommended to get it from java.com site.

If at least one Java was installed, refer to pages:

Strip down unnecessary translations in .jar

If download size is an issue for you:

  • Append ?lang=… to the download link address for both releases to strip unused translations (e.g. ?lang=de will download JOSM in German language only).
  • Note: Use underscore to separate language codes with country code extensions, e.g. ?lang=en_GB
  • Append ?unsigned=1 to strip the code signing information
  • When lang and unsigned are used the separation is a & sign like in ?lang=de&unsigned=1

10786 .jar: 10.2M
10786 .jar?lang=de: 8151k
10786 .jar?lang=de&unsigned=1: 7688k

Assuming, JVM was already installed, read Web Start help.

Troubleshooting JVM

Out of memory

In more extensive edit sessions, you may get an "out of memory" error.

To avoid this, the assigned memory can be increased with -Xmx option, see Help/CommandLineOptions for details.

Known and open issues in JOSM

Not closed issues about ...:

Possibly outdated content below

Mac OS X errors

OS X "gatekeeper" results in this very misleading error dialog Since Mac OS 10.8 a error message may appear on your first attempt to run JOSM:

  • older versions: JOSM.app is damaged and can't be opened. You should move it to the Trash.
  • newer versions: JOSM.app can't be opened because it is from an unidentified developer.

To open JOSM for the first time, right-click on JOSM.app and confirm the opening in the pop-up dialogs. This is only necessary on the first run of JOSM.

openSUSE repository

Tested version of JOSM is available in the Application:Geo repository.

First add as root user in yast or with zypper the repository (replace the version in the URL with the one you are using):

zypper ar -f http://download.opensuse.org/repositories/Application:/Geo/openSUSE_13.2 Application:Geo

Then simply install josm and josm-fonts package.

Ubuntu repository

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.
Note: in addition to the regular procedure described below, older DEBs can be manually downloaded and clicked to be installed from the following directories: for josm for josm-latest

The repository contains two packages:

josm
The tested version
Replaces the package from the official Ubuntu repository.
josm-latest
The development version (nightly build)
Can be installed parallel to the josm package. The default preference folder is ~/.josm-latest.

Installation

Edit the package resource list /etc/apt/sources.list:

sudo editor /etc/apt/sources.list

and add one of the following lines according to your Ubuntu-Version:

deb https://josm.openstreetmap.de/apt lucid universe
deb https://josm.openstreetmap.de/apt precise universe
deb https://josm.openstreetmap.de/apt quantal universe
deb https://josm.openstreetmap.de/apt raring universe
deb https://josm.openstreetmap.de/apt saucy universe
deb https://josm.openstreetmap.de/apt trusty universe
deb https://josm.openstreetmap.de/apt utopic universe
deb https://josm.openstreetmap.de/apt vivid universe
deb https://josm.openstreetmap.de/apt wily universe
deb https://josm.openstreetmap.de/apt xenial universe

Alternatively, this can be done with the following one-liner:

echo deb https://josm.openstreetmap.de/apt $(lsb_release -sc) universe | sudo tee /etc/apt/sources.list.d/josm.list > /dev/null

For other Debian based distributions, add the following line:

deb https://josm.openstreetmap.de/apt alldist universe

Download and register the public key:

wget -q https://josm.openstreetmap.de/josm-apt.key -O- | sudo apt-key add -

Now refresh your sources

sudo apt-get update

and install:

josm
(You can skip the first line if you haven't installed these packages before.)

sudo apt-get remove josm josm-plugins
sudo apt-get install josm
josm-latest
sudo apt-get install josm-latest

VM selection on Windows x64

For Windows, beware that some browsers may install their own JRE only in 32 bit mode, but may also install their version of the Javawebstart tool somewhere else with different file associations. This may cause your JNLP to start with this alternate JRE because it runs the wrong version of Javawebstart which only supports the 32 bit VM, and sometimes is built with a restricted support for VM options and a max VM size not exceeding 256MB.

Check, for example, if there's no other javawebstart in \Windows\SysWow64. You should not need it (the Java control panel will not detect it) and can safely delete it. Perfom cleanup and only keep the latest version of the JRE (1 for the 32-bit mode, another one for the 64-bit mode).

For shortcuts created on the desktop for JNLP and running the Javawebstart launcher (from \windows\system32), 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!)

Example of an edited commandline for the shortcut created on the windows desktop after running JOSM just once from the JNMP and exiting:

C:\Windows\System32\javaws.exe -J-d64 -Xmx=2048m -localfile -J-Djnlp.application.href=https://josm.openstreetmap.de/download/josm.jnlp "C:\Users\<snipped user name>\AppData\LocalLow\Sun\Java\Deployment\cache\6.0\21\7311<snipped-hex-number>7f8"

You don't need to change the end of the command line with the snipped parts here. Just check the path for javaws.exe and add options -J-d64 for the 64-bit mode needed to work with large OSM datasets, and -Xmx=2048m to increase the VM size (to 2GB here).

See also

Last modified 2 weeks ago Last modified on 2016-11-24T11:45:25+01:00

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