Jenkins 2.0 and the game of life

[Sarah Baker]

Greetings,

I'm working thru the book 'Jenkins, The Definitive Guide'

Jenkins 2.0, Java 8 update 92, Maven 3.3.9 on Windows.

Jenkins is installed, game of life built fine.

This problem relates to the section  "More Reporting - Displaying Javadocs".

The maven target javadoc:javadoc fails with issues (see below).  

I am not familiar enough with Maven to understand the source of the problem. 

I suspect Jenkins, or some configuration inside Jenkins.

I had at first assumed it was something wrong with my maven install, but

I removed it completely, allowing jenkins to install it (option in the Global Tool Configuration for Maven), the same problem occurred.  

When I run the mvn command outside of jenkins at the command line in the same directory, it builds without any errors.

I cannot find a similar problem posted anywhere thusfar.  

Thank you for any clues.

C:\Users\Sarah\.jenkins\jobs\gameoflife-default\workspace>"C:\Program Files\Apache\Maven\bin\\mvn.cmd" javadoc:javadoc -o 

[INFO] Scanning for projects...

[INFO] ------------------------------------------------------------------------

[INFO] Reactor Build Order:

[INFO] 

[INFO] gameoflife

[INFO] gameoflife-build

[INFO] gameoflife-core

[INFO] gameoflife-web

[WARNING] The POM for org.apache.maven.plugins:maven-release-plugin:jar:2.5 is missing, no dependency information available

[WARNING] Failed to retrieve plugin descriptor for org.apache.maven.plugins:maven-release-plugin:2.5: Plugin org.apache.maven.plugins:maven-release-plugin:2.5 or one of its dependencies could not be resolved: Cannot access central (https://repo.maven.apache.org/maven2) in offline mode and the artifact org.apache.maven.plugins:maven-release-plugin:jar:2.5 has not been downloaded from it before.

[WARNING] The POM for org.apache.maven.plugins:maven-deploy-plugin:jar:2.8.2 is missing, no dependency information available

[WARNING] Failed to retrieve plugin descriptor for org.apache.maven.plugins:maven-deploy-plugin:2.8.2: Plugin org.apache.maven.plugins:maven-deploy-plugin:2.8.2 or one of its dependencies could not be resolved: Cannot access central (https://repo.maven.apache.org/maven2) in offline mode and the artifact org.apache.maven.plugins:maven-deploy-plugin:jar:2.8.2 has not been downloaded from it before.

[WARNING] The POM for com.jelastic:jelastic-maven-plugin:jar:1.6 is missing, no dependency information available

[WARNING] Failed to retrieve plugin descriptor for com.jelastic:jelastic-maven-plugin:1.6: Plugin com.jelastic:jelastic-maven-plugin:1.6 or one of its dependencies could not be resolved: Cannot access central (https://repo.maven.apache.org/maven2) in offline mode and the artifact com.jelastic:jelastic-maven-plugin:jar:1.6 has not been downloaded from it before.

[WARNING] The POM for org.apache.maven.plugins:maven-site-plugin:jar:3.3 is missing, no dependency information available

[WARNING] Failed to retrieve plugin descriptor for org.apache.maven.plugins:maven-site-plugin:3.3: Plugin org.apache.maven.plugins:maven-site-plugin:3.3 or one of its dependencies could not be resolved: Cannot access central (https://repo.maven.apache.org/maven2) in offline mode and the artifact org.apache.maven.plugins:maven-site-plugin:jar:3.3 has not been downloaded from it before.

[WARNING] The POM for org.apache.maven.plugins:maven-install-plugin:jar:2.4 is missing, no dependency information available

[WARNING] Failed to retrieve plugin descriptor for org.apache.maven.plugins:maven-install-plugin:2.4: Plugin org.apache.maven.plugins:maven-install-plugin:2.4 or one of its dependencies could not be resolved: Cannot access central (https://repo.maven.apache.org/maven2) in offline mode and the artifact org.apache.maven.plugins:maven-install-plugin:jar:2.4 has not been downloaded from it before.

[WARNING] The POM for org.apache.maven.plugins:maven-antrun-plugin:jar:1.3 is missing, no dependency information available

[WARNING] Failed to retrieve plugin descriptor for org.apache.maven.plugins:maven-antrun-plugin:1.3: Plugin org.apache.maven.plugins:maven-antrun-plugin:1.3 or one of its dependencies could not be resolved: Cannot access central (https://repo.maven.apache.org/maven2) in offline mode and the artifact org.apache.maven.plugins:maven-antrun-plugin:jar:1.3 has not been downloaded from it before.

[WARNING] The POM for org.apache.maven.plugins:maven-assembly-plugin:jar:2.2-beta-5 is missing, no dependency information available

[WARNING] Failed to retrieve plugin descriptor for org.apache.maven.plugins:maven-assembly-plugin:2.2-beta-5: Plugin org.apache.maven.plugins:maven-assembly-plugin:2.2-beta-5 or one of its dependencies could not be resolved: Cannot access central (https://repo.maven.apache.org/maven2) in offline mode and the artifact org.apache.maven.plugins:maven-assembly-plugin:jar:2.2-beta-5 has not been downloaded from it before.

[WARNING] The POM for org.apache.maven.plugins:maven-dependency-plugin:jar:2.8 is missing, no dependency information available

[WARNING] Failed to retrieve plugin descriptor for org.apache.maven.plugins:maven-dependency-plugin:2.8: Plugin org.apache.maven.plugins:maven-dependency-plugin:2.8 or one of its dependencies could not be resolved: Cannot access central (https://repo.maven.apache.org/maven2) in offline mode and the artifact org.apache.maven.plugins:maven-dependency-plugin:jar:2.8 has not been downloaded from it before.

[WARNING] The POM for org.apache.maven.plugins:maven-release-plugin:jar:2.3.2 is missing, no dependency information available

[WARNING] Failed to retrieve plugin descriptor for org.apache.maven.plugins:maven-release-plugin:2.3.2: Plugin org.apache.maven.plugins:maven-release-plugin:2.3.2 or one of its dependencies could not be resolved: Cannot access central (https://repo.maven.apache.org/maven2) in offline mode and the artifact org.apache.maven.plugins:maven-release-plugin:jar:2.3.2 has not been downloaded from it before.

[INFO] ------------------------------------------------------------------------

[INFO] Reactor Summary:

[INFO] 

[INFO] gameoflife ......................................... SKIPPED

[INFO] gameoflife-build ................................... SKIPPED

[INFO] gameoflife-core .................................... SKIPPED

[INFO] gameoflife-web ..................................... SKIPPED

[INFO] ------------------------------------------------------------------------

[INFO] BUILD FAILURE

[INFO] ------------------------------------------------------------------------

[INFO] Total time: 1.238 s

[INFO] Finished at: 2016-04-27T19:54:34-07:00

[INFO] Final Memory: 10M/111M

[INFO] ------------------------------------------------------------------------

[ERROR] No plugin found for prefix 'javadoc' in the current project and in the plugin groups [org.apache.maven.plugins, org.codehaus.mojo] available from the repositories [local (C:\windows\system32\config\systemprofile\.m2\repository), central (https://repo.maven.apache.org/maven2)] -> [Help 1]

[ERROR] 

[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.

[ERROR] Re-run Maven using the -X switch to enable full debug logging.

[ERROR] 

[ERROR] For more information about the errors and possible solutions, please read the following articles:

[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/NoPluginFoundForPrefixException

Build step 'Invoke top-level Maven targets' marked build as failure

Archiving artifacts

Recording test results

Publishing Javadoc

Finished: FAILURE

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[Daniel Beck]

> On 28.04.2016, at 06:04, Sarah Baker <sab...@gmail.com> wrote:
>
> I suspect Jenkins, or some configuration inside Jenkins.
> I had at first assumed it was something wrong with my maven install, but
> I removed it completely, allowing jenkins to install it (option in the Global Tool Configuration for Maven), the same problem occurred.
> When I run the mvn command outside of jenkins at the command line in the same directory, it builds without any errors.
> I cannot find a similar problem posted anywhere thusfar.
> Thank you for any clues.

You tell Maven to work offline (-o), i.e. don't contact remote repositories, and then it cannot download anything, telling you…

> Cannot access central (https://repo.maven.apache.org/maven2) in offline mode and the artifact … has not been downloaded from it before.

[Sarah Baker]

Thank you, that makes sense. It's not something I'm introducing in the build line that I enter into jenkins for maven.

I don't know how it's getting introduced.  Is there some global setting I should look for, the global configs say simply default for maven,

or should I look somewhere in the POM?  What should I look for?

[Daniel Beck]

> On 29.04.2016, at 05:37, Sarah Baker <sab...@gmail.com> wrote:
>
> It's not something I'm introducing in the build line that I enter into jenkins for maven.
> I don't know how it's getting introduced.

To clarify, you did not enter the values as shown on figure 2-24 on page 34, where the 'Goals' text field contains the text below?

> javadoc:javadoc -o


Because that's what makes Maven work offline.

[Sarah Baker]

Yes, I've tried both with and without the -o exactly as it indicates in the book. 

Entered with javadoc:javadoc -o  the error is

...

[INFO] --- maven-install-plugin:2.4:install (default-install) @ gameoflife ---
[WARNING] The POM for org.codehaus.plexus:plexus-utils:jar:3.0.5 is missing, no dependency information available
[WARNING] The POM for org.codehaus.plexus:plexus-digest:jar:1.0 is missing, no dependency information available
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO] 
[INFO] gameoflife ......................................... FAILURE [ 12.519 s]
[INFO] gameoflife-build ................................... SKIPPED
[INFO] gameoflife-core .................................... SKIPPED
[INFO] gameoflife-web ..................................... SKIPPED
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 13.514 s
[INFO] Finished at: 2016-05-01T16:55:16-07:00
[INFO] Final Memory: 17M/170M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-install-plugin:2.4:install (default-install) on project gameoflife: Execution default-install of goal org.apache.maven.plugins:maven-install-plugin:2.4:install failed: Plugin org.apache.maven.plugins:maven-install-plugin:2.4 or one of its dependencies could not be resolved: The following artifacts could not be resolved: org.codehaus.plexus:plexus-utils:jar:3.0.5, org.codehaus.plexus:plexus-digest:jar:1.0: Cannot access central (https://repo.maven.apache.org/maven2) in offline mode and the artifact org.codehaus.plexus:plexus-utils:jar:3.0.5 has not been downloaded from it before. -> [Help 1]

[ERROR] 
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR] 
[ERROR] For more information about the errors and possible solutions, please read the following articles:

[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/PluginResolutionException
Build step 'Invoke top-level Maven targets' marked build as failure
Archiving artifacts
Recording test results
ERROR: Step ‘Publish JUnit test result report’ failed: Test reports were found but none of them are new. Did tests run? 
For example, C:\Users\Sarah\.jenkins\jobs\gameoflife-default\workspace\gameoflife-acceptance-tests\pom.xml is 7 days 1 hr old

Finished: FAILURE

[Richard Bywater]

What error is received when NOT using the -o flag?

Richard.

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[Sarah Baker]

From book, figure 2-25.  

Entering

Goals install clean

Goals javadoc:javadoc 

without -o on either build goal

it built this time.

Why? Unclear, I've been playing with a bunch of settings in jenkins. 

I found one issue with my setup that 'archive the artifacts' was **/.jar and not  **/target/*.jar  and fixed that.

I had jenkins download a preferred JDK 8u77 and not the one I had 8u92 based on some suggestions for problems which sourced to pointing to a JRE and not JDK.

Onwards... :)