Build failure with maven-junction-plugin

[Theodore Vasiloudis]

Hello,

I'm having some problems with building the project. The error I get is for the flink-dist module is:

[ERROR] Failed to execute goal com.pyx4j:maven-junction-plugin:1.0.3:link (default) on project flink-dist: Can't create junction source [/long/dir/here//flink-dist/target/flink-0.9-SNAPSHOT-bin/flink-0.9-SNAPSHOT] -> [/long/dir/here/build-target/flink-dist/../build-target] -> [Help 1]

Before that I get this warning in maven-assembly-plugin:2.4:single (bin) @ flink-dist ---:

[WARNING] Assembly file: long/dir/here/flink-dist/target/flink-0.9-SNAPSHOT-bin is not a regular file (it may be a directory). It cannot be attached to the project build for installation or deployment.

Has anyone else encountered this? Any ideas on how it can be fixed?

[Robert Metzger]

The WARNING is okay.

How did you call maven, and from which directory (flink root or flink-dist?)

On Wed, Jun 3, 2015 at 5:10 PM, Theodore Vasiloudis <
[hidden email]> wrote:

> Hello,
>
> I'm having some problems with building the project. The error I get is for
> the flink-dist module is:
>
> [ERROR] Failed to execute goal com.pyx4j:maven-junction-plugin:1.0.3:link
> > (default) on project flink-dist: Can't create junction source
> >
> [/long/dir/here//flink-dist/target/flink-0.9-SNAPSHOT-bin/flink-0.9-SNAPSHOT]
> > -> [/long/dir/here/build-target/flink-dist/../build-target] -> [Help 1]
> >
>
> Before that I get this warning in maven-assembly-plugin:2.4:single (bin) @
> flink-dist ---:
>
> [WARNING] Assembly file:
> > long/dir/here/flink-dist/target/flink-0.9-SNAPSHOT-bin is not a regular
> > file (it may be a directory). It cannot be attached to the project build
> > for installation or deployment.
> >
>
> Has anyone else encountered this? Any ideas on how it can be fixed?
>
>
>
>
> --
> View this message in context:
> http://apache-flink-mailing-list-archive.1008284.n3.nabble.com/Build-failure-with-maven-junction-plugin-tp6056.html
> Sent from the Apache Flink Mailing List archive. mailing list archive at
> Nabble.com.
>

[Theodore Vasiloudis]

mvn clean package -Dmaven.javadoc.skip=true -DskipTests

Called from the flink root.

On Wed, Jun 3, 2015 at 5:21 PM, Robert Metzger <[hidden email]> wrote:

> The WARNING is okay.
>
> How did you call maven, and from which directory (flink root or
> flink-dist?)
>
> On Wed, Jun 3, 2015 at 5:10 PM, Theodore Vasiloudis <
> [hidden email]> wrote:
>
> > Hello,
> >
> > I'm having some problems with building the project. The error I get is
> for
> > the flink-dist module is:
> >
> > [ERROR] Failed to execute goal com.pyx4j:maven-junction-plugin:1.0.3:link
> > > (default) on project flink-dist: Can't create junction source
> > >
> >
> [/long/dir/here//flink-dist/target/flink-0.9-SNAPSHOT-bin/flink-0.9-SNAPSHOT]
> > > -> [/long/dir/here/build-target/flink-dist/../build-target] -> [Help 1]
> > >
> >
> > Before that I get this warning in maven-assembly-plugin:2.4:single (bin)
> @
> > flink-dist ---:
> >
> > [WARNING] Assembly file:
> > > long/dir/here/flink-dist/target/flink-0.9-SNAPSHOT-bin is not a regular
> > > file (it may be a directory). It cannot be attached to the project
> build
> > > for installation or deployment.
> > >
> >
> > Has anyone else encountered this? Any ideas on how it can be fixed?
> >
> >
> >
> >
> > --
> > View this message in context:
> >
> http://apache-flink-mailing-list-archive.1008284.n3.nabble.com/Build-failure-with-maven-junction-plugin-tp6056.html
> > Sent from the Apache Flink Mailing List archive. mailing list archive at
> > Nabble.com.
> >
>

[Matthias J. Sax-2]

Hi,

I am picking up on this old thread, because I have the same error now. I
just created a new branch from a freshly rebased master branch.

mvn -DskipTests clean install

> Failed to execute goal com.pyx4j:maven-junction-plugin:1.0.3:link (default) on project flink-dist: Can't create junction source [/home/mjsax/workspace_flink_asf/flink-asf/flink-dist/target/flink-0.10-SNAPSHOT-bin/flink-0.10-SNAPSHOT] -> [/home/mjsax/workspace_flink_asf/flink-asf/flink-dist/../build-target] -> [Help 1]

This email thread did not show a fix/reason for this issue.


-Matthias

On 06/03/2015 05:24 PM, Theodore Vasiloudis wrote:

> mvn clean package -Dmaven.javadoc.skip=true -DskipTests
>
> Called from the flink root.
>
> On Wed, Jun 3, 2015 at 5:21 PM, Robert Metzger <[hidden email]> wrote:
>
>> The WARNING is okay.
>>
>> How did you call maven, and from which directory (flink root or
>> flink-dist?)
>>
>> On Wed, Jun 3, 2015 at 5:10 PM, Theodore Vasiloudis <
>> [hidden email]> wrote:
>>
>>> Hello,
>>>
>>> I'm having some problems with building the project. The error I get is
>> for
>>> the flink-dist module is:
>>>
>>> [ERROR] Failed to execute goal com.pyx4j:maven-junction-plugin:1.0.3:link
>>>> (default) on project flink-dist: Can't create junction source
>>>>
>>>
>> [/long/dir/here//flink-dist/target/flink-0.9-SNAPSHOT-bin/flink-0.9-SNAPSHOT]
>>>> -> [/long/dir/here/build-target/flink-dist/../build-target] -> [Help 1]
>>>>
>>>
>>> Before that I get this warning in maven-assembly-plugin:2.4:single (bin)
>> @
>>> flink-dist ---:
>>>
>>> [WARNING] Assembly file:
>>>> long/dir/here/flink-dist/target/flink-0.9-SNAPSHOT-bin is not a regular
>>>> file (it may be a directory). It cannot be attached to the project
>> build
>>>> for installation or deployment.
>>>>
>>>
>>> Has anyone else encountered this? Any ideas on how it can be fixed?
>>>
>>>
>>>
>>>
>>> --
>>> View this message in context:
>>>
>> http://apache-flink-mailing-list-archive.1008284.n3.nabble.com/Build-failure-with-maven-junction-plugin-tp6056.html
>>> Sent from the Apache Flink Mailing List archive. mailing list archive at
>>> Nabble.com.
>>>
>>
>

[Matthias J. Sax-2]

I could resolve this by manually deleting the link
"/home/mjsax/workspace_flink_asf/flink-asf/build-target"

But I still don't understand why this is necessary...

On 09/10/2015 12:14 PM, Matthias J. Sax wrote:

> Hi,
>
> I am picking up on this old thread, because I have the same error now. I
> just created a new branch from a freshly rebased master branch.
>
> mvn -DskipTests clean install
>
>> Failed to execute goal com.pyx4j:maven-junction-plugin:1.0.3:link (default) on project flink-dist: Can't create junction source [/home/mjsax/workspace_flink_asf/flink-asf/flink-dist/target/flink-0.10-SNAPSHOT-bin/flink-0.10-SNAPSHOT] -> [/home/mjsax/workspace_flink_asf/flink-asf/flink-dist/../build-target] -> [Help 1]
>
> This email thread did not show a fix/reason for this issue.
>
>
> -Matthias
>
> On 06/03/2015 05:24 PM, Theodore Vasiloudis wrote:
>> mvn clean package -Dmaven.javadoc.skip=true -DskipTests
>>
>> Called from the flink root.
>>
>> On Wed, Jun 3, 2015 at 5:21 PM, Robert Metzger <[hidden email]> wrote:
>>
>>> The WARNING is okay.
>>>
>>> How did you call maven, and from which directory (flink root or
>>> flink-dist?)
>>>
>>> On Wed, Jun 3, 2015 at 5:10 PM, Theodore Vasiloudis <
>>> [hidden email]> wrote:
>>>
>>>> Hello,
>>>>
>>>> I'm having some problems with building the project. The error I get is
>>> for
>>>> the flink-dist module is:
>>>>
>>>> [ERROR] Failed to execute goal com.pyx4j:maven-junction-plugin:1.0.3:link
>>>>> (default) on project flink-dist: Can't create junction source
>>>>>
>>>>
>>> [/long/dir/here//flink-dist/target/flink-0.9-SNAPSHOT-bin/flink-0.9-SNAPSHOT]
>>>>> -> [/long/dir/here/build-target/flink-dist/../build-target] -> [Help 1]
>>>>>
>>>>
>>>> Before that I get this warning in maven-assembly-plugin:2.4:single (bin)
>>> @
>>>> flink-dist ---:
>>>>
>>>> [WARNING] Assembly file:
>>>>> long/dir/here/flink-dist/target/flink-0.9-SNAPSHOT-bin is not a regular
>>>>> file (it may be a directory). It cannot be attached to the project
>>> build
>>>>> for installation or deployment.
>>>>>
>>>>
>>>> Has anyone else encountered this? Any ideas on how it can be fixed?
>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> View this message in context:
>>>>
>>> http://apache-flink-mailing-list-archive.1008284.n3.nabble.com/Build-failure-with-maven-junction-plugin-tp6056.html
>>>> Sent from the Apache Flink Mailing List archive. mailing list archive at
>>>> Nabble.com.
>>>>
>>>
>>
>

[Stephan Ewen]

Did you do a "clean" together with the "install"? Then it should work.

The problem occurred when you switch between versions where the link is set
(0.9+) and versions prior to the link (< 0.9) ...

Stephan


On Thu, Sep 10, 2015 at 1:37 PM, Matthias J. Sax <[hidden email]> wrote:

> I could resolve this by manually deleting the link
> "/home/mjsax/workspace_flink_asf/flink-asf/build-target"
>
> But I still don't understand why this is necessary...
>
> On 09/10/2015 12:14 PM, Matthias J. Sax wrote:
> > Hi,
> >
> > I am picking up on this old thread, because I have the same error now. I
> > just created a new branch from a freshly rebased master branch.
> >
> > mvn -DskipTests clean install
> >
> >> Failed to execute goal com.pyx4j:maven-junction-plugin:1.0.3:link
> (default) on project flink-dist: Can't create junction source
> [/home/mjsax/workspace_flink_asf/flink-asf/flink-dist/target/flink-0.10-SNAPSHOT-bin/flink-0.10-SNAPSHOT]
> -> [/home/mjsax/workspace_flink_asf/flink-asf/flink-dist/../build-target]
> -> [Help 1]
> >
> > This email thread did not show a fix/reason for this issue.
> >
> >
> > -Matthias
> >
> > On 06/03/2015 05:24 PM, Theodore Vasiloudis wrote:
> >> mvn clean package -Dmaven.javadoc.skip=true -DskipTests
> >>
> >> Called from the flink root.
> >>
> >> On Wed, Jun 3, 2015 at 5:21 PM, Robert Metzger <[hidden email]>
> wrote:
> >>
> >>> The WARNING is okay.
> >>>
> >>> How did you call maven, and from which directory (flink root or
> >>> flink-dist?)
> >>>
> >>> On Wed, Jun 3, 2015 at 5:10 PM, Theodore Vasiloudis <
> >>> [hidden email]> wrote:
> >>>
> >>>> Hello,
> >>>>
> >>>> I'm having some problems with building the project. The error I get is
> >>> for
> >>>> the flink-dist module is:
> >>>>
> >>>> [ERROR] Failed to execute goal
> com.pyx4j:maven-junction-plugin:1.0.3:link
> >>>>> (default) on project flink-dist: Can't create junction source
> >>>>>
> >>>>
> >>>
> [/long/dir/here//flink-dist/target/flink-0.9-SNAPSHOT-bin/flink-0.9-SNAPSHOT]
> >>>>> -> [/long/dir/here/build-target/flink-dist/../build-target] -> [Help
> 1]
> >>>>>
> >>>>
> >>>> Before that I get this warning in maven-assembly-plugin:2.4:single
> (bin)
> >>> @
> >>>> flink-dist ---:
> >>>>
> >>>> [WARNING] Assembly file:
> >>>>> long/dir/here/flink-dist/target/flink-0.9-SNAPSHOT-bin is not a
> regular
> >>>>> file (it may be a directory). It cannot be attached to the project
> >>> build
> >>>>> for installation or deployment.
> >>>>>
> >>>>
> >>>> Has anyone else encountered this? Any ideas on how it can be fixed?
> >>>>
> >>>>
> >>>>
> >>>>
> >>>> --
> >>>> View this message in context:
> >>>>
> >>>
> http://apache-flink-mailing-list-archive.1008284.n3.nabble.com/Build-failure-with-maven-junction-plugin-tp6056.html
> >>>> Sent from the Apache Flink Mailing List archive. mailing list archive
> at
> >>>> Nabble.com.
> >>>>
> >>>
> >>
> >
>
>

[mxm]

The junction plugin could not create the link "build-target" to the
build directory in flink-dist. Maybe this is a permission problem. You
could have turned on the Maven debug mode to see the underlying
exception.

On Thu, Sep 10, 2015 at 1:37 PM, Matthias J. Sax <[hidden email]> wrote:

> I could resolve this by manually deleting the link
> "/home/mjsax/workspace_flink_asf/flink-asf/build-target"
>
> But I still don't understand why this is necessary...
>
> On 09/10/2015 12:14 PM, Matthias J. Sax wrote:
>> Hi,
>>
>> I am picking up on this old thread, because I have the same error now. I
>> just created a new branch from a freshly rebased master branch.
>>
>> mvn -DskipTests clean install
>>
>>> Failed to execute goal com.pyx4j:maven-junction-plugin:1.0.3:link (default) on project flink-dist: Can't create junction source [/home/mjsax/workspace_flink_asf/flink-asf/flink-dist/target/flink-0.10-SNAPSHOT-bin/flink-0.10-SNAPSHOT] -> [/home/mjsax/workspace_flink_asf/flink-asf/flink-dist/../build-target] -> [Help 1]
>>
>> This email thread did not show a fix/reason for this issue.
>>
>>
>> -Matthias
>>
>> On 06/03/2015 05:24 PM, Theodore Vasiloudis wrote:
>>> mvn clean package -Dmaven.javadoc.skip=true -DskipTests
>>>
>>> Called from the flink root.
>>>
>>> On Wed, Jun 3, 2015 at 5:21 PM, Robert Metzger <[hidden email]> wrote:
>>>
>>>> The WARNING is okay.
>>>>
>>>> How did you call maven, and from which directory (flink root or
>>>> flink-dist?)
>>>>
>>>> On Wed, Jun 3, 2015 at 5:10 PM, Theodore Vasiloudis <
>>>> [hidden email]> wrote:
>>>>
>>>>> Hello,
>>>>>
>>>>> I'm having some problems with building the project. The error I get is
>>>> for
>>>>> the flink-dist module is:
>>>>>
>>>>> [ERROR] Failed to execute goal com.pyx4j:maven-junction-plugin:1.0.3:link
>>>>>> (default) on project flink-dist: Can't create junction source
>>>>>>
>>>>>
>>>> [/long/dir/here//flink-dist/target/flink-0.9-SNAPSHOT-bin/flink-0.9-SNAPSHOT]
>>>>>> -> [/long/dir/here/build-target/flink-dist/../build-target] -> [Help 1]
>>>>>>
>>>>>
>>>>> Before that I get this warning in maven-assembly-plugin:2.4:single (bin)
>>>> @
>>>>> flink-dist ---:
>>>>>
>>>>> [WARNING] Assembly file:
>>>>>> long/dir/here/flink-dist/target/flink-0.9-SNAPSHOT-bin is not a regular
>>>>>> file (it may be a directory). It cannot be attached to the project
>>>> build
>>>>>> for installation or deployment.
>>>>>>
>>>>>
>>>>> Has anyone else encountered this? Any ideas on how it can be fixed?
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> View this message in context:
>>>>>
>>>> http://apache-flink-mailing-list-archive.1008284.n3.nabble.com/Build-failure-with-maven-junction-plugin-tp6056.html
>>>>> Sent from the Apache Flink Mailing List archive. mailing list archive at
>>>>> Nabble.com.
>>>>>
>>>>
>>>
>>
>

[Matthias J. Sax-2]

Thanks for the feedback. I doubt that it is a permission problem,
because everything is executed with the same user...

Unfortunately, after deleting the link manually, I cannot reproduce the
error any more...

Btw: the error occurred with "mvn -DskipTests clean install" as well as
"mvn clean" followed by "mvn -DskipTests install".

If the error occurs again, I will try maven debug mode to get more
insight...

For anybody else hitting this error: "rm build-target" on Flink top
level folder resolved the problem for me.


-Matthias

On 09/10/2015 03:27 PM, Maximilian Michels wrote:

> The junction plugin could not create the link "build-target" to the
> build directory in flink-dist. Maybe this is a permission problem. You
> could have turned on the Maven debug mode to see the underlying
> exception.
>
> On Thu, Sep 10, 2015 at 1:37 PM, Matthias J. Sax <[hidden email]> wrote:
>> I could resolve this by manually deleting the link
>> "/home/mjsax/workspace_flink_asf/flink-asf/build-target"
>>
>> But I still don't understand why this is necessary...
>>
>> On 09/10/2015 12:14 PM, Matthias J. Sax wrote:
>>> Hi,
>>>
>>> I am picking up on this old thread, because I have the same error now. I
>>> just created a new branch from a freshly rebased master branch.
>>>
>>> mvn -DskipTests clean install
>>>
>>>> Failed to execute goal com.pyx4j:maven-junction-plugin:1.0.3:link (default) on project flink-dist: Can't create junction source [/home/mjsax/workspace_flink_asf/flink-asf/flink-dist/target/flink-0.10-SNAPSHOT-bin/flink-0.10-SNAPSHOT] -> [/home/mjsax/workspace_flink_asf/flink-asf/flink-dist/../build-target] -> [Help 1]
>>>
>>> This email thread did not show a fix/reason for this issue.
>>>
>>>
>>> -Matthias
>>>
>>> On 06/03/2015 05:24 PM, Theodore Vasiloudis wrote:
>>>> mvn clean package -Dmaven.javadoc.skip=true -DskipTests
>>>>
>>>> Called from the flink root.
>>>>
>>>> On Wed, Jun 3, 2015 at 5:21 PM, Robert Metzger <[hidden email]> wrote:
>>>>
>>>>> The WARNING is okay.
>>>>>
>>>>> How did you call maven, and from which directory (flink root or
>>>>> flink-dist?)
>>>>>
>>>>> On Wed, Jun 3, 2015 at 5:10 PM, Theodore Vasiloudis <
>>>>> [hidden email]> wrote:
>>>>>
>>>>>> Hello,
>>>>>>
>>>>>> I'm having some problems with building the project. The error I get is
>>>>> for
>>>>>> the flink-dist module is:
>>>>>>
>>>>>> [ERROR] Failed to execute goal com.pyx4j:maven-junction-plugin:1.0.3:link
>>>>>>> (default) on project flink-dist: Can't create junction source
>>>>>>>
>>>>>>
>>>>> [/long/dir/here//flink-dist/target/flink-0.9-SNAPSHOT-bin/flink-0.9-SNAPSHOT]
>>>>>>> -> [/long/dir/here/build-target/flink-dist/../build-target] -> [Help 1]
>>>>>>>
>>>>>>
>>>>>> Before that I get this warning in maven-assembly-plugin:2.4:single (bin)
>>>>> @
>>>>>> flink-dist ---:
>>>>>>
>>>>>> [WARNING] Assembly file:
>>>>>>> long/dir/here/flink-dist/target/flink-0.9-SNAPSHOT-bin is not a regular
>>>>>>> file (it may be a directory). It cannot be attached to the project
>>>>> build
>>>>>>> for installation or deployment.
>>>>>>>
>>>>>>
>>>>>> Has anyone else encountered this? Any ideas on how it can be fixed?
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> View this message in context:
>>>>>>
>>>>> http://apache-flink-mailing-list-archive.1008284.n3.nabble.com/Build-failure-with-maven-junction-plugin-tp6056.html
>>>>>> Sent from the Apache Flink Mailing List archive. mailing list archive at
>>>>>> Nabble.com.
>>>>>>
>>>>>
>>>>
>>>
>>