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Subject: Re: Why isn't maven-dependency-plugin copying my artifacts anymore?
From: Uwe Barthel <barthel@x-reizend.de>
In-Reply-To: 
 <CAA5t8Vq+SpwqUAP=r6DjkN77s8=6rEVfm-1RbuqeL+-es5i4Ug@mail.gmail.com>
Date: Fri, 11 Mar 2016 06:43:45 +0100
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To: Maven Users List <users@maven.apache.org>

I tried:
'mvn clean' removes the lib/ and target/ folder.
'mvn package' puts the libs into lib/ again.

I delete all libs in lib/ folder but let the lib/ folder itself and the =
target folder untouched.
=E2=80=98mvn package=E2=80=99 works as expected.

--=20
barthel@x-reizend.de


> On 11 Mar 2016, at 06:05, David Karr <davidmichaelkarr@gmail.com> =
wrote:
>=20
> Ok. Could you remove the jars and then run it again?
>=20
> On Thu, Mar 10, 2016, 20:58 Uwe Barthel <barthel@x-reizend.de> wrote:
>=20
>> Hi David,
>>=20
>> I use your pom.xml (but removed parent and org.opendaylight =
dependencies)
>> and it works well with:
>>=20
>> Apache Maven 3.3.9 (bb52d8502b132ec0a5a3f4c09453c07478323dc5;
>> 2015-11-10T17:41:47+01:00)
>> Maven home: /usr/local/Cellar/maven/3.3.9/libexec
>> Java version: 1.8.0_31, vendor: Oracle Corporation
>> Java home:
>> /Library/Java/JavaVirtualMachines/jdk1.8.0_31.jdk/Contents/Home/jre
>> Default locale: en_US, platform encoding: UTF-8
>> OS name: "mac os x", version: "10.11.3", arch: "x86_64", family: =
=E2=80=9Cmac"
>>=20
>> $ ls -1 libs/
>> antlr4-runtime-4.0.jar
>> mapdb-1.0.4.jar
>>=20
>> --
>> barthel@x-reizend.de
>>=20
>>=20
>>> On 11 Mar 2016, at 01:03, David M. Karr <davidmichaelkarr@gmail.com>
>> wrote:
>>>=20
>>> On 03/10/2016 03:54 PM, Mark Eggers wrote:
>>>> David,
>>>>=20
>>>> I just upgraded to 3.3.9, and ran the following on one of my =
projects
>>>> (twice):
>>>>=20
>>>> mvn clean package
>>>>=20
>>>> In both cases the JAR files were copied to my output directory and
>>>> included in both the zip and tar.gz files.
>>>>=20
>>>> I guess a little more information is needed??
>>>=20
>>> Ok.  Following this is the entire pom.xml file in question.  Two of =
the
>> artifacts aren't on MavenCentral, but the example could easily be
>> simplified to not specify those.
>>>=20
>>> ------------------------------
>>> <project xmlns=3D"http://maven.apache.org/POM/4.0.0" xmlns:xsi=3D"
>> http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation=3D"
>> http://maven.apache.org/POM/4.0.0
>> http://maven.apache.org/xsd/maven-4.0.0.xsd">
>>> <modelVersion>4.0.0</modelVersion>
>>>=20
>>> <parent>
>>>   <groupId>com.cisco.yangide</groupId>
>>>   <artifactId>com.cisco.yangide.parent</artifactId>
>>>   <version>1.1.1-SNAPSHOT</version>
>>>   <relativePath>../..</relativePath>
>>> </parent>
>>>=20
>>> <artifactId>com.cisco.yangide.core</artifactId>
>>> <packaging>eclipse-plugin</packaging>
>>> <version>1.1.1-SNAPSHOT</version>
>>> <build>
>>>   <sourceDirectory>src</sourceDirectory>
>>>   <plugins>
>>>       <plugin>
>>>           <groupId>org.apache.maven.plugins</groupId>
>>>           <artifactId>maven-clean-plugin</artifactId>
>>>           <configuration>
>>>               <filesets>
>>>                   <fileset>
>>>                       <directory>libs</directory>
>>>                   </fileset>
>>>               </filesets>
>>>           </configuration>
>>>       </plugin>
>>>       <plugin>
>>>           <groupId>org.apache.maven.plugins</groupId>
>>> <artifactId>maven-dependency-plugin</artifactId>
>>>           <version>2.10</version>
>>>           <executions>
>>>               <execution>
>>>                   <id>copy</id>
>>>                   <phase>prepare-package</phase>
>>>                   <goals>
>>>                       <goal>copy</goal>
>>>                   </goals>
>>>                   <configuration>
>>> <outputDirectory>libs</outputDirectory>
>>>                       <artifactItems>
>>>                           <artifactItem>
>>> <groupId>org.antlr</groupId>
>>> <artifactId>antlr4-runtime</artifactId>
>>>                               <version>4.0</version>
>>>                               <type>jar</type>
>>> <overWrite>true</overWrite>
>>> <destFileName>antlr4-runtime-4.0.jar</destFileName>
>>>                           </artifactItem>
>>>                           <artifactItem>
>>> <groupId>org.mapdb</groupId>
>>> <artifactId>mapdb</artifactId>
>>>                               <version>1.0.4</version>
>>>                               <type>jar</type>
>>> <overWrite>true</overWrite>
>>> <destFileName>mapdb-1.0.4.jar</destFileName>
>>>                           </artifactItem>
>>>                           <artifactItem>
>>> <groupId>org.opendaylight.yangtools</groupId>
>>> <artifactId>yang-model-api</artifactId>
>>>                               <version>0.6.1</version>
>>>                               <type>jar</type>
>>> <overWrite>true</overWrite>
>>> <destFileName>yang-model-api-0.6.1.jar</destFileName>
>>>                           </artifactItem>
>>>                           <artifactItem>
>>> <groupId>org.opendaylight.yangtools</groupId>
>>> <artifactId>yang-parser-impl</artifactId>
>>>                               <version>0.6.1</version>
>>>                               <type>jar</type>
>>> <overWrite>true</overWrite>
>>> <destFileName>yang-parser-impl-0.6.1.jar</destFileName>
>>>                           </artifactItem>
>>>                       </artifactItems>
>>>                   </configuration>
>>>               </execution>
>>>           </executions>
>>>       </plugin>
>>>   </plugins>
>>> </build>
>>> </project>
>>> ----------------------
>>>>=20
>>>> . . . just my two cents
>>>> /mde/
>>>>=20
>>>> On 3/10/2016 3:44 PM, David M. Karr wrote:
>>>>> On 03/10/2016 03:36 PM, Mark Eggers wrote:
>>>>>> David,
>>>>>>=20
>>>>>> If you're providing a list of dependencies, then yes you'll use =
the
>> copy
>>>>>> instead of copy-dependencies.
>>>>>>=20
>>>>>> See the following for that information:
>>>>>>=20
>>>>>> =
https://maven.apache.org/plugins/maven-dependency-plugin/index.html
>>>>>>=20
>>>>>> Also, I notice that you don't have outputDirectory specified. If =
you
>>>>>> don't, the dependencies will be copied to
>>>>>> ${project.build.directory}/dependency.
>>>>> Actually, I was specifying that individually on each artifactItem, =
but
>>>>> it's definitely an improvement to only specify that once.  In any =
case,
>>>>> it still makes no difference.  It's not writing the artifacts, =
whether
>> I
>>>>> use "copy" or "copy-dependencies", or whether I say to write them =
to
>>>>> "libs" or "${project.build.directory}/libs". It ("copy", to be
>> specific)
>>>>> did it the first time I ran this, but never since then.
>>>>>=20
>>>>> I'm using Maven 3.3.9, with JDK 1.8.0_60.
>>>>>=20
>>>>>> See the following for that information:
>>>>>>=20
>>>>>>=20
>> =
https://maven.apache.org/plugins/maven-dependency-plugin/copy-mojo.html
>>>>>>=20
>>>>>> . . . just my two cents
>>>>>> /mde/
>>>>>>=20
>>>>>> On 3/10/2016 3:22 PM, David M. Karr wrote:
>>>>>>> Thanks, but replacing my "manual" copy goal with =
"copy-dependencies"
>> and
>>>>>>> implicit dependency declarations made no difference.  No error =
at
>> this
>>>>>>> phase, it just doesn't do anything.
>>>>>>>=20
>>>>>>> On 03/10/2016 02:57 PM, Mark Eggers wrote:
>>>>>>>> David,
>>>>>>>>=20
>>>>>>>> On 3/10/2016 2:31 PM, David M. Karr wrote:
>>>>>>>>> Several days ago, on the advice of someone on another list, I
>>>>>>>>> configured
>>>>>>>>> the use of the "maven-dependency-plugin" in my POM so that the
>> build
>>>>>>>>> would copy some dependencies into a local folder, not inside =
the
>>>>>>>>> target
>>>>>>>>> folder.
>>>>>>>>>=20
>>>>>>>>> This worked the very first time I ran the build with it, and =
I've
>> been
>>>>>>>>> using the results for a while.
>>>>>>>>>=20
>>>>>>>>> Today I started to look at this again, to ensure that these =
copied
>>>>>>>>> artifacts would be properly cleaned up from "mvn clean".  I =
first
>>>>>>>>> tried
>>>>>>>>> reconfiguring where it wrote the jars, changing it from "libs" =
to
>>>>>>>>> "target/libs".  For some reason, when I ran the build, it =
didn't
>>>>>>>>> create
>>>>>>>>> "target/libs", nor did it copy the jars.  At that point, I =
thought
>>>>>>>>> there
>>>>>>>>> was some issue with writing them into a subfolder of "target".
>>>>>>>>>=20
>>>>>>>>> I then changed it back to "libs", but I implemented additional
>>>>>>>>> "maven-clean-plugin" configuration to make it delete that =
folder.
>>>>>>>>> When I
>>>>>>>>> ran "mvn clean", it did what I expected, removing that folder,
>> along
>>>>>>>>> with "target".
>>>>>>>>>=20
>>>>>>>>> However, when I then tried to build the whole thing again, I =
found
>>>>>>>>> that
>>>>>>>>> it wasn't creating the "libs" folder, and it wasn't copying =
the
>> jars
>>>>>>>>> there.  I then tried manually creating "libs", but that didn't
>>>>>>>>> help.  I
>>>>>>>>> tried adding "--debug", which didn't tell me anything useful.  =
I
>>>>>>>>> imagine
>>>>>>>>> the same thing that is making it not copy the jars into "libs" =
is
>> the
>>>>>>>>> same thing that prevented it writing them into "target/libs", =
so
>> there
>>>>>>>>> likely wasn't a real issue with using a subfolder of "target", =
but
>>>>>>>>> something else is just preventing it from copying the jars.
>>>>>>>>>=20
>>>>>>>>> This is what I have in the POM for this plugin (eliding the
>> details of
>>>>>>>>> each artifact):
>>>>>>>>> -----------------
>>>>>>>>>          <plugin>
>>>>>>>>> <groupId>org.apache.maven.plugins</groupId>
>>>>>>>>> <artifactId>maven-dependency-plugin</artifactId>
>>>>>>>>>              <version>2.10</version>
>>>>>>>>>              <executions>
>>>>>>>>>                  <execution>
>>>>>>>>>                      <id>copy</id>
>>>>>>>>>                      <phase>package</phase>
>>>>>>>>>                      <goals>
>>>>>>>>>                          <goal>copy</goal>
>>>>>>>>>                      </goals>
>>>>>>>>>                      <configuration>
>>>>>>>>>                          <artifactItems>
>>>>>>>>>                              <artifactItem>
>>>>>>>>>                              ...
>>>>>>>>>                              </artifactItem>
>>>>>>>>>                              <artifactItem>
>>>>>>>>>                              ...
>>>>>>>>>                              </artifactItem>
>>>>>>>>>                              <artifactItem>
>>>>>>>>>                              ...
>>>>>>>>>                              </artifactItem>
>>>>>>>>>                              <artifactItem>
>>>>>>>>>                              ...
>>>>>>>>>                              </artifactItem>
>>>>>>>>>                          </artifactItems>
>>>>>>>>>                      </configuration>
>>>>>>>>>                  </execution>
>>>>>>>>>              </executions>
>>>>>>>>>          </plugin>
>>>>>>>>> -------------------
>>>>>>>> My copy looks like this:
>>>>>>>>=20
>>>>>>>> <plugin>
>>>>>>>>   <groupId>org.apache.maven.plugins</groupId>
>>>>>>>>   <artifactId>maven-dependency-plugin</artifactId>
>>>>>>>>   <version>2.10</version>
>>>>>>>>   <executions>
>>>>>>>>    <execution>
>>>>>>>>     <phase>prepare-package</phase>
>>>>>>>>     <goals>
>>>>>>>>      <goal>copy-dependencies</goal>
>>>>>>>>     </goals>
>>>>>>>>     <configuration>
>>>>>>>>=20
>> <outputDirectory>${project.build.directory}/lib</outputDirectory>
>>>>>>>>      <includeScope>compile</includeScope>
>>>>>>>>     </configuration>
>>>>>>>>    </execution>
>>>>>>>>   </executions>
>>>>>>>> </plugin>
>>>>>>>>=20
>>>>>>>> I'm currently running 3.3.3 and JDK 1.8.0_74. I need to upgrade =
my
>>>>>>>> Maven.
>>>>>>>>=20
>>>>>>>> This works as expected, with dependencies getting copied to
>> target/lib.
>>>>>>>>=20
>>>>>>>> I have this in my JAR plugin:
>>>>>>>>=20
>>>>>>>> <addClasspath>true</addClasspath>
>>>>>>>> <classpathPrefix>lib/</classpathPrefix>
>>>>>>>>=20
>>>>>>>> along with specifying the main class.
>>>>>>>>=20
>>>>>>>> I create both a zip and a tar.gz file with the assembly plugin.
>>>>>>>>=20
>>>>>>>> An end user just unpacks the archive, changes to the directory =
where
>>>>>>>> the
>>>>>>>> archive was unpacked, and runs java -jar ${artifactId}.jar.
>>>>>>>>=20
>>>>>>>> Seems to work reasonably well.
>>>>>>>>=20
>>>>>>>> . . . just my two cents
>>>>>>>> /mde/
>>>>=20
>>>=20
>>>=20
>>> =
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>>=20
>>=20
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>>=20
>>=20


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