# External Java libraries

**URL:** <https://forum.legato.io/t/external-java-libraries/2416>\
**Category:** Legato Linux distribution (Yocto project)\
**Created:** [April 12, 2017, 9:50pm UTC](https://forum.legato.io/t/external-java-libraries/2416 "2017-04-12T21:50:12Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![kent1ukr](https://sea1.discourse-cdn.com/flex019/user_avatar/forum.legato.io/kent1ukr/32/255_2.png) [@kent1ukr](https://forum.legato.io/u/kent1ukr)\
**Post date:** [November 3, 2017, 11:26am UTC](https://forum.legato.io/t/external-java-libraries/2416/5 "2017-11-03T11:26:40Z")

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Hi again @daav  
I have recently tryed to build LF by my own, but i have an issue  
First of all I followed an instruction [here]([GitHub - legatoproject/legato-af: Legato Application Framework](https://github.com/legatoproject/legato-af) Install required packages)  
I downloaded and installed latest toolchain 64-bit SWI9X15Y\_07.12.09.00 on WP85  
Cloned repo legato-af from GitHub  
Compiled make and make wp85. Got compiled folder …/legato/build/wp85  
Added in developer studio compiled framework according to [instruction](http://forum.legato.io/t/adding-newest-version-legato-framework-into-developer-studio/2654/2)  
Regards!

And now after creating new Legato Application I have no legato.jar and get en exception “SPN\_HOME…/legato/build/wp85/framework/lib/legato.jar (missing).”  
And I have onli ‘.so’ files in my lib folder.

I just can’t realize what am I doing wrong. Please help me if you have any suggestions

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