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From David Dawson <david.daw...@simplicityitself.com>
Subject Re: building a jar from groovy script with gradle
Date Tue, 08 Mar 2016 17:08:35 GMT
good steer on shadowJar.

I can confirm though that all you end up with is a couple of hundred kb of
spring boot launcher. Nothing else spring is pulled in.


On 8 March 2016 at 17:03, Henrik Martin <henrik@netgate.net> wrote:

> For "uber jars", I use both Spring Boot's bootRepackage, and shadowJar,
> the Gradle port of Maven Shadow. Both work really well and are easy to use
> from Gradle. The only thing about using Spring Boot is that you probably
> end up with a bunch of transient dependencies for Spring/Spring Boot that
> may bloat your runnable jar file. From that perspective, I think the
> shadowJar solution will result in fewer dependencies. Here's the link to
> shadowJar if you want to check it out:
>
> https://github.com/johnrengelman/shadow
>
> Cheers,
>
> -H
>
>
> On 3/8/16 6:40 AM, David Dawson wrote:
>
> I actually re-use the spring boot plugin.
>
> You don't have to use it to build a spring boot application, it can build
> vanilla apps too.
>
> add the spring boot plugin, set the mainClass attribute as in their
> examples and do a gradle bootRepackage.
>
> You'll end up with a single runnable jar file.
>
> You can even do that with no source, just jars in the deps list and
> reference a class in one of the dependencies.
>
>
>
> On 8 March 2016 at 14:38, Schalk Cronjé <ysb33r@gmail.com> wrote:
>
>> What's wrong with running a .bat file?
>>
>>
>> On 08/03/2016 14:30, Gerald Wiltse wrote:
>>
>> I have a similar situation I am about to tackle, building an installer
>> that executes Groovy code. This will be going to clients and run on
>> windows, so it really has to be an EXE.
>>
>> Anybody have good experience with JAR-to-EXE packers or something?
>>
>> Gerald R. Wiltse
>> jerrywiltse@gmail.com
>>
>>
>> On Tue, Mar 8, 2016 at 8:42 AM, Winnebeck, Jason <
>> <Jason.Winnebeck@windstream.com>Jason.Winnebeck@windstream.com> wrote:
>>
>>> I've "deployed" some scripts to other users in my organization where
>>> Java but not Groovy is installed through the GroovyWrapper script. I got it
>>> from Codehaus and I can't find the original copy anywhere but I found a
>>> fork of it at <https://github.com/sdanzan/groovy-wrapper>
>>> https://github.com/sdanzan/groovy-wrapper that appears to have more
>>> features than the original. The original I have basically just uses the Ant
>>> inside of the Groovy distribution to compile a single Groovy file and merge
>>> that file, embeddable groovy JAR and some of the Groovy libs into a single
>>> jar you can run with java -jar.
>>>
>>> Looking at the code it appears the main difference in that updated
>>> script is that it supports adding @Grab'd dependencies into the single JAR,
>>> presumably to prevent users from having to download them.
>>>
>>> Jason
>>>
>>> -----Original Message-----
>>> From: Jim Northrop [mailto: <james.b.northrop@googlemail.com>
>>> james.b.northrop@googlemail.com]
>>> Sent: Tuesday, March 08, 2016 8:19 AM
>>> To: users@groovy.apache.org
>>> Subject: Re: building a jar from groovy script with gradle
>>>
>>> Out of interest, what is the typical deployment strategy for a runnable
>>> Groovy class w/main method? I have been trying to make a user executable
>>> jar but as 2 diff.jars. One jar is only my code, no support jars and 2nd is
>>> mystuff-all-v1.0.jar as a bundle w/all dependency jars included hence
>>> runnable. End user can choose jar.
>>>
>>>  Are there other strategies to package code 4 deployment?
>>> Thx.
>>>
>>> Sent from my iPad
>>>
>>> > On 8 Mar 2016, at 11:45, Schalk Cronjé <ysb33r@gmail.com> wrote:
>>> >
>>> > I can spot a number of issues in your Gradle script, howver I need to
>>> understand context.
>>> >
>>> > [1] Are you trying to put a single Groovy script + required Groovy
>>> JARs into a JAR?
>>> >
>>> > OR
>>> >
>>> > [2] Are you trying to build a proper Groovy application consisting of
>>> a coouple of class files en dependent JARs?
>>> >
>>> >> On 08/03/2016 10:33, Raphael Bauduin wrote:
>>> >>
>>> >> Hi,
>>> >>
>>> >> I'm trying to package a groovy script as a jar with the help of
>>> >> gradle, I use this gradle config: http://pastebin.com/RFEhzMCp
>>> >>
>>> >> it builds fine, but when I try to run it with java -jar path_to.jar
I
>>> >> get this error:
>>> >> Error: A JNI error has occurred, please check your installation and
>>> >> try again Exception in thread "main" java.lang.SecurityException:
>>> >> Invalid signature file digest for Manifest main attributes
>>> >>
>>> >> The only suggestions I found online applied when people repackaged
>>> jars, which is not my case.
>>> >> Any suggestion?
>>> >>
>>> >> Thanks
>>> >>
>>> >> Rb
>>> >
>>> >
>>> > --
>>> > Schalk W. Cronjé
>>> > Twitter / Ello / Toeter : @ysb33r
>>> >
>>>
>>> ----------------------------------------------------------------------
>>> This email message and any attachments are for the sole use of the
>>> intended recipient(s). Any unauthorized review, use, disclosure or
>>> distribution is prohibited. If you are not the intended recipient, please
>>> contact the sender by reply email and destroy all copies of the original
>>> message and any attachments.
>>>
>>
>>
>>
>> --
>> Schalk W. Cronjé
>> Twitter / Ello / Toeter : @ysb33r
>>
>>
>
>
> --
>
>
> David Dawson | CEO | Simplicity Itself
>
> Tel +44 7866 011 256
> Skype: davidadawson
> david.dawson@simplicityitself.com
> http://www.simplicityitself.com
>
>
>


-- 


David Dawson | CEO | Simplicity Itself

Tel +44 7866 011 256
Skype: davidadawson
david.dawson@simplicityitself.com
http://www.simplicityitself.com

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