vaadin-buildhelpers repository

Hi,

I’m trying install the Vaadin version 7.7.4, and I have - maybe - a dummy question… how can I find the vaadin-helpers 7.7.4 repository?
Currently I use 7.6.0 version, and this is a new stuff for me. Thank you in advance!

[ivy:install]
:: problems summary ::
[ivy:install]
:::: WARNINGS
[ivy:install]
[FAILED ]
com.vaadin#vaadin-buildhelpers;7.7.4!vaadin-buildhelpers.jar: (0ms)
[ivy:install]
==== public: tried
[ivy:install]
https://repo1.maven.org/maven2/com/vaadin/vaadin-buildhelpers/7.7.4/vaadin-buildhelpers-7.7.4.jar
[ivy:install]
==== vaadin-addons: tried
[ivy:install]
http://maven.vaadin.com/vaadin-addons/com/vaadin/vaadin-buildhelpers/7.7.4/vaadin-buildhelpers-7.7.4.jar
[ivy:install]
==== vaadin-buildhelpers: tried
[ivy:install]
http://maven.vaadin.com/vaadin-buildhelpers/com/vaadin/vaadin-buildhelpers/7.7.4/vaadin-buildhelpers-7.7.4.jar
[ivy:install]
==== vaadin-snapshots: tried
[ivy:install]
https://oss.sonatype.org/content/repositories/vaadin-snapshots/com/vaadin/vaadin-buildhelpers/7.7.4/vaadin-buildhelpers-7.7.4.jar
[ivy:install]
::::::::::::::::::::::::::::::::::::::::::::::
[ivy:install]
:: FAILED DOWNLOADS ::
[ivy:install]
:: ^ see resolution messages for details ^ ::
[ivy:install]
::::::::::::::::::::::::::::::::::::::::::::::
[ivy:install]
:: com.vaadin#vaadin-buildhelpers;7.7.4!vaadin-buildhelpers.jar
[ivy:install]
::::::::::::::::::::::::::::::::::::::::::::::

You shouldn’t need
vaadin-buildhelpers
at all for 7.7, just remove the dependency.

https://mvnrepository.com/artifact/com.vaadin/vaadin-buildhelpers

Thx!