One-JAR(TM) Reviews

After dealing with useless JAR files created by supposedly-professional quality IDEs, I found One-JAR. At this point, I had abandoned the non-functional IDEs, the ANT/MAVEN/GRADLE plugins that didn't work in mysterious and difficult-to-debug ways, and pretty much everything beyond the raw JAVA command line tools (which, although they did not do what I wanted, at least did what they said they did). I followed the command line instructions. They are a little out of date (there is no 'boot-manifest.mf' file to edit, so it must be created, there is no 'src' directory to delete, the Java 11 tools ignore the existing MANIFEST.MF so the boot-manifest.mf file needs to specify "Main-Class: com.simontuffs.onejar.Boot" as well, and there's some leftover cruft from testing / development that is unJARed into the root directory). All of that was straightforward enough to figure out, and alter appropriately. And it works. I have a single jar file that runs my application, which is what I wanted four days ago. Thank you, Simon, for this project. Thank you very much!

Does its job really good, hope it is still under active maintenance (developement)

The One-Jar approach is fairly easy to implement and makes it very easy to distribute applications to users.

One-jar works wonderful.

Thanks for good program!

Thanks for One-jar, it's excellent!

Amazing project, which ease our life quite a lot.

Nice and Easy to use.

good job

A nice idea and just in time too!. A must for all of my new projects.

One-Jar helped my group to deliver our application for the end client in a neat one jar file. Zero client installation. you just drop this jar into any directory, double click from windows and it starts up! That is exactly what we wanted! One-Jar technical support was excellent. We were able to resolve all our issues in a matter of hours!!! I highly recommend this product!

I tried several similar jar distribution packages, and they are all very painful to use. one-jar was easy to set up, and when I ran into a problem - mind you, not a problem with one-jar, but a problem with my own lack of knowledge about java - the author replied with a very helpful email. Cheers!

Of course I recommend it: I wrote it. Please, if you give it a thumbs down, at least have the courtesy to say why, so that I can address the issues. Spring/Guice/JDBC/Log4j all supported now. One-JAR 0.97 is a major release, and should help with usability for developers. One-JAR 0.97 will shortly be inside the one-jar-maven plugin, again ease-of-use for Maven2 users.

Using extensively. Somewhat tricky at times to get the manifest, etc. set up correctly, but works as advertised. Makes builds go faster than previous technique (unjarring and rejarring dependencies).