wiki:Download

Version 121 (modified by Hb---, 2 weeks ago) (diff)

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Download

This page provides basic JOSM installation steps and troubleshooting information. To start working with JOSM please see the Introduction and the Help pages. And for complex installation issues see InstallNotes.

Recommended options

source:trunk/images/openlocation.png Launch josm.jnlp (newest tested version)
Recommended version, all platforms, automatic update to the newest tested version monthly (how to launch).


source:trunk/images/download.png Download josm-tested.jar (tested version 13367)
All platforms (how to start).


All download options

Every month the team of JOSM releases a tested version. The MS Windows and Apple Mac variants are built on this tested version. When you click on josm.jnlp to launch JOSM you will always get the newest tested version. Java's Web Start is the mechanism behind this.

Every night the build systems generate a latest version. These versions might have severe errors or even crash. But mostly they work well, too. For the latest version is also a Web Start variant available.

Version OS Independent
Download
OS Independent
Web Start
Windows Apple Mac Ubuntu, Debian… openSUSE
tested 13367 josm-tested.jar josm.jnlp setup.exe
(portable)
package.zip
(see below)
see below see below
latest
13450
josm-latest.jar latest.jnlp see below
older download/

When running scripts please first check on latest, tested or both to reduce download bandwidth.

Strip translations

If download size is an issue for you:

  • Append ?lang=… to the download link address for the tested version 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

The file size shrinks from .jar: 10.2M over .jar?lang=de: 8.2M to .jar?lang=de&unsigned=1: 7.7M (as of version 10786).

Repositories

openSUSE

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

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 from the archives for josm aka josm-tested and 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 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
deb https://josm.openstreetmap.de/apt yakkety universe
deb https://josm.openstreetmap.de/apt zesty universe
deb https://josm.openstreetmap.de/apt artful 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 (you may need to install sudo apt-get install apt-transport-https)

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

Troubleshooting

Java

When you double-click on a jar file and nothing happens in most cases this means Java isn't installed.

JOSM is tested and developed with Oracle JVM, therefore we recommend to get Java from their manual download site. Mind yoursystems architecture (32 or 64 bit) when choosing the installation. Java 64 bit is recommended for JOSM. Java is the common name for a product called Java Runtime Environment now or short JRE. Formerly other names were used. Please avoid the page java.com/en/download because it tries to automatically detect your system architecture but fails much to often for being a real help. You do not need a Java-Plugin for your web browser to work with JOSM.

If you still can't download or install Java, visit Oracles troubleshooting pages for more information.

Java Test

Checks to see why JOSM is not starting, examples are for MS Windows.

  1. Download josm-tested.jar to your desktop.
  2. Open a Command Prompt aka Terminal
  3. Type cd %homepath%\desktop
  4. Type java -version ⏎ Three lines with Javas version data sould appear. When you see something else then Java is not properly installed.
  5. Type java -jar josm-tested.jar ⏎. Now JOSM should run, started from the Command Line?.
  6. Quit JOSM.
  7. Type josm-tested.jar ⏎. If JOSM starts again, the Windows Explorer can start jar files when you by doubleclick them.

Launching JOSM via Web Start has many more error causes than traditional way with downloading a jar file and then running it. So please complete the Java Test above before starting further Web Start tests.

Web Start Test

  1. Download josm.jnlp to your desktop.
  2. Open a Terminal and move to the Desktop as above
  3. Type javaws josm.jnlp⏎. This should initially download JOSM, serve a security dialog and then launch JOSM.

Virtual Machine

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.

VM selection

On 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 .\javapath\ is the target for the PATH environment variable and virtual home for the three files java.exe, javaw.exe and javaws.exe.

On 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.

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).

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!)

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

<path>javaws.exe -J-d64 -J-Xmx2048m -localfile -J-Djnlp.application.href=https://josm.openstreetmap.de/download/josm.jnlp "C:\Users\<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 -J-Xmx2048m to increase the VM size (to 2GB here).

MacOS Errors

OS X "gatekeeper" results in this very misleading error dialog

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.

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. Open System Preferences and the 'Security & Privacy' options. Set 'Allow applications downloaded from:' to 'Anywhere'. If that radio button is missing from the Security & Privacy preferences panel, the following may be entered using the Terminal window to make it appear: Security & Privacy settings

sudo spctl --master-disable

Known issues

Not closed issues about ...:

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