Re: mvn hpi:run fails with NullPointerException

[Jesse Glick]

On Wed, Nov 1, 2017 at 11:05 AM, Jean-Karlo Accetta
 wrote:
> I'm not really sure why it would fail on Mac

No idea offhand. Generally the behavior of things like this is very
similar on Linux and Mac OS X (whereas Windows behavior tends to
diverge a lot). The only common difference is the case-insensitive
filesystem.

If you run with the `-e` option you will see a full stack trace, which
would allow diagnosis if you refer to mojo source code. Requires some
familiarity with Maven to make progress that way.

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Re: mvn hpi:run fails with NullPointerException

[Jean-Karlo Accetta]

Thanks Jesse.  I just now tried on Linux and it worked there just fine!

The error happens on my Mac (Sierra 10.12.3), also with JDK 8 and Maven 
3.5.0.  I'm not really sure why it would fail on Mac, but that still helps! 
I can work on a Linux machine, instead.

On Wednesday, November 1, 2017 at 7:27:33 AM UTC-4, Jesse Glick wrote:
>
> On Tue, Oct 31, 2017 at 2:47 PM, Jean-Karlo Accetta 
>  wrote: 
> > I even tried simply creating a project from 
> > the hello-world archetype and trying to run that without making any 
> changes, 
> > but it also threw the same error. 
>
> Working for me on Linux with JDK 8 and Maven 3.5.0: 
>
> mvn archetype:generate -B -DarchetypeGroupId=io.jenkins.archetypes 
> -DarchetypeArtifactId=empty-plugin -DarchetypeVersion=1.2 
> -DartifactId=test && mvn -f test -DskipTests package hpi:run 
>

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Re: mvn hpi:run fails with NullPointerException

[Jesse Glick]

On Tue, Oct 31, 2017 at 2:47 PM, Jean-Karlo Accetta
 wrote:
> I even tried simply creating a project from
> the hello-world archetype and trying to run that without making any changes,
> but it also threw the same error.

Working for me on Linux with JDK 8 and Maven 3.5.0:

mvn archetype:generate -B -DarchetypeGroupId=io.jenkins.archetypes
-DarchetypeArtifactId=empty-plugin -DarchetypeVersion=1.2
-DartifactId=test && mvn -f test -DskipTests package hpi:run

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Re: mvn hpi:run fails with NullPointerException

[Jean-Karlo Accetta]

I had tried that earlier today, but I got the same message.  I'm not sure 
what else to try at this point.  I even tried simply creating a project 
from the hello-world archetype and trying to run that without making any 
changes, but it also threw the same error.

On Tuesday, October 31, 2017 at 2:39:54 PM UTC-4, Carlos Sanchez wrote:
>
> Try running mvn package hpi:run
> There is a filled issue about that if you have run clean before hpi:run
>
> On Tue, Oct 31, 2017, 21:18 Jean-Karlo Accetta  > wrote:
>
>> Hi all,
>>
>> I am new to developing plugins for Jenkins, and I was reading several of 
>> the related pages on getting started.  The problem is that whenever I try 
>> to run any build step or goal, it fails.  I tried first with the hpi:run 
>> command they say to use for debugging, but any goal will result in the 
>> following error:
>>
>> [*ERROR*] Failed to execute goal 
>> org.apache.maven.plugins:maven-enforcer-plugin:3.0.0-M1:enforce 
>> *(display-info)* on project jenkins-plugins: *Execution display-info of 
>> goal org.apache.maven.plugins:maven-enforcer-plugin:3.0.0-M1:enforce 
>> failed.*: NullPointerException -> *[Help 1]*
>>
>> I'm not sure what is going on, but all my other maven projects work 
>> fine.  I'm not sure if it's an issue with maven's settings.xml or if it's 
>> an issue with the plugin's pom or something.
>>
>> Any help would be appreciated, and please let me know if more information 
>> (the full log or the pom or something) would be helpful.
>>
>> Thanks,
>>- JK
>>
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>> "Jenkins Developers" group.
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>>  
>> 
>> .
>> For more options, visit https://groups.google.com/d/optout.
>>
>

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Re: mvn hpi:run fails with NullPointerException

[Carlos Sanchez]

Try running mvn package hpi:run
There is a filled issue about that if you have run clean before hpi:run

On Tue, Oct 31, 2017, 21:18 Jean-Karlo Accetta 
wrote:

> Hi all,
>
> I am new to developing plugins for Jenkins, and I was reading several of
> the related pages on getting started.  The problem is that whenever I try
> to run any build step or goal, it fails.  I tried first with the hpi:run
> command they say to use for debugging, but any goal will result in the
> following error:
>
> [*ERROR*] Failed to execute goal
> org.apache.maven.plugins:maven-enforcer-plugin:3.0.0-M1:enforce
> *(display-info)* on project jenkins-plugins: *Execution display-info of
> goal org.apache.maven.plugins:maven-enforcer-plugin:3.0.0-M1:enforce
> failed.*: NullPointerException -> *[Help 1]*
>
> I'm not sure what is going on, but all my other maven projects work fine.
> I'm not sure if it's an issue with maven's settings.xml or if it's an issue
> with the plugin's pom or something.
>
> Any help would be appreciated, and please let me know if more information
> (the full log or the pom or something) would be helpful.
>
> Thanks,
>- JK
>
> --
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> "Jenkins Developers" group.
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> 
> .
> For more options, visit https://groups.google.com/d/optout.
>

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mvn hpi:run fails with NullPointerException

[Jean-Karlo Accetta]

Hi all,

I am new to developing plugins for Jenkins, and I was reading several of 
the related pages on getting started.  The problem is that whenever I try 
to run any build step or goal, it fails.  I tried first with the hpi:run 
command they say to use for debugging, but any goal will result in the 
following error:

[*ERROR*] Failed to execute goal 
org.apache.maven.plugins:maven-enforcer-plugin:3.0.0-M1:enforce 
*(display-info)* on project jenkins-plugins: *Execution display-info of 
goal org.apache.maven.plugins:maven-enforcer-plugin:3.0.0-M1:enforce 
failed.*: NullPointerException -> *[Help 1]*

I'm not sure what is going on, but all my other maven projects work fine.  
I'm not sure if it's an issue with maven's settings.xml or if it's an issue 
with the plugin's pom or something.

Any help would be appreciated, and please let me know if more information 
(the full log or the pom or something) would be helpful.

Thanks,
   - JK

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