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JBoss Fuse - Tips, Offline Repository in Fuse

JBoss Fuse relies very heavy on maven, as it uses maven to control the dependencies for projects and jars it is using. Most of the repository settings can be found in this configuration file:

Under $FUSE_INSTALL_FOLDER/etc/ org.ops4j.pax.url.mvn.cfg

Inside this file, take a look at 2 configurations,

  • org.ops4j.pax.url.mvn.defaultRepositories
  • org.ops4j.pax.url.mvn.repositories
Or if you are using fabric, the same settings are available under io.fabric8.agent.properties in your  default profile.

The org.ops4j.pax.url.mvn.defaultRepositories, sets the location of the local repository for your Fuse to look up.  The default location are under the system folder.

And of course org.ops4j.pax.url.mvn.repositories are the external repository settings for your fuse to scan. Here are the list of default repos.   

  • https://repo.fusesource.com/nexus/content/groups/public/
  • http://repository.jboss.org/nexus/content/repositories/fs-public/
But there are often time where you don't have limited access to the world wide web, maybe it's just bad internet connection or security issues.

Inside Red Hat Fuse documentation, they showed you how to create a custom repository, where they showed you how to properly use the "" plugin to generate the necessary repo. I highly recommend you read through the documentations if you have time.

However a lazy person like me, I always tried to find some easy way out of configuring and setups. Just want to warn you, this may not be the proper way. But it works for me :)

First thing first, you got to have maven installed in your local machine, and that's about it! And I am assuming you have setup to connect to the Fuse and other needed repo too.

Find the setting.xml file, with

  • Mac or Unix, 
    • ~/.m2
  • Windows 
    • D:\Documents and Settings\{your-username}\.m2
  • Linux
    • /home/{your-username}/.m2/


And under the settings.xml, find the tag name:

<settings>
  <!--.....-->
  <localRepository>/path/to/local/repo</localRepository>
  <!--.....-->
</settings>

if you have a brand new maven installed, then you may have to create the xml file and add the tag by yourself.

OK, now,create a NEW temporary working folder and place the path in  "localRepository" tag. I prefer to put it in the same folder as the local system folder as later on I need to compare it using my script.

<settings>
  <!--.....-->
  <localRepository>//Desktop/jboss-fuse-6.1.1.redhat-412/tmprepo</localRepository>
  <!--.....-->
</settings>

Next, go back to your IDE, run a simple mvn clean install, so what this does, it actually starts download all the needed dependencies into the folder, by all, I mean it. So it is going to take a very long time to download.


Once you got everything downloaded, I want to quickly show you something, check your local repo in the system folder with your new temporary working folder. you will find there are lots of duplications of files. That is because we tried to download all the dependency to local, and we don't know which one has already existed, that's why it downloads them all.

Now we have the entire dependency repo, you can either point to this local repo directly in your org.ops4j.pax.url.mvn.defaultRepositories setting, or you can clean it up a bit using my script.

#create directories in the new repo that are not exist in the system folder
diff -r tmprepo/ system/ | grep "Only in tmprepo" | xargs -n2 | grep tmprepo | tr ":" "/"| tr -d " \t\r" |xargs -I{} bash -c 'if [ -d {} ]; then mkdir -p newrepo/{} ; fi '

#create directories in the new repo that are not exist in the system folder
diff -r tmprepo/ system/ | grep "Only in tmprepo" | xargs -n2 | grep tmprepo | tr ":" "/"| tr -d " \t\r" |xargs -I{} bash -c 'if [ ! -d {} ]; then mkdir -p newrepo/$(dirname {}) ; fi '

#copy all files over to the new repo that are not exist in the system folder
diff -r tmprepo/ system/ | grep "Only in tmprepo" | xargs -n2 | grep tmprepo | tr ":" "/"| tr -d " \t\r" | xargs -I{} cp -rf {} newrepo/{}

This script checks for the repo that are not in system, can copy them out to another folder called "newrepo". So I have actually clean up the files and jars that are existed in the system folder.
(Tested on Mac and Linux, please contribute the Window version, sorry, I am not a windows person :p )

So far so good, now we are ready to point the org.ops4j.pax.url.mvn.defaultRepositories to our new repo
   file:${karaf.home}/newrepo/tmprepo/@snapshots 

And remove all proxy maven look up by adding "#" in-front all of them.


That's all. For me, this is much easier then to config a bunch so set ups. But again, this is just a tip, the recommended way is to use the one in the documentations!


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