Netbeans and Maven

[mcw]

I have been away from CodenameOne for months and am just getting back. Everything has changed and I am trying to convert my projects to Maven

I am running Netbeans 8.2 on Kubuntu 20.04

I have the CodenameOne plugin 7.0

I downloaded the latest version of the migration tool, 1.0.3 and converted my project I got a Success message.

I opened my project in Netbeans, the first thing I noticed was that the project icon said it was a Netbeans project not a CodenameOne project. The CodenameOne menu item was missing. I tried to build the project but it failed:

cd /rware/src/rware_mobile/cn1/rwmain; JAVA_HOME=/opt/jdk1.8.0_292 /opt/netbeans-8.2/java/maven/bin/mvn -f /rware/src/rware_mobile/cn1/rwmain/pom.xml install
Scanning for projects...

Some problems were encountered while building the effective model for com.readerware.xware.readerware:rwmain-common:jar:1.0-SNAPSHOT
'build.plugins.plugin.version' for org.apache.maven.plugins:maven-compiler-plugin is missing. @ line 300, column 21

It is highly recommended to fix these problems because they threaten the stability of your build.

For this reason, future Maven versions might no longer support building such malformed projects.

------------------------------------------------------------------------
Reactor Build Order:

rwmain
rwmain-cn1libs
cn1-codescan
rwmain-common
                                                                        
------------------------------------------------------------------------
Building rwmain 1.0-SNAPSHOT
------------------------------------------------------------------------
Downloading: http://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-install-plugin/2.3.1/maven-install-plugin-2.3.1.pom

------------------------------------------------------------------------
Reactor Summary:

rwmain ............................................ FAILURE [0.392s]
rwmain-cn1libs .................................... SKIPPED
cn1-codescan ...................................... SKIPPED
rwmain-common ..................................... SKIPPED
------------------------------------------------------------------------
BUILD FAILURE
------------------------------------------------------------------------
Total time: 0.505s
Finished at: Mon Jul 19 12:51:30 PDT 2021
Final Memory: 7M/119M
------------------------------------------------------------------------
Plugin org.apache.maven.plugins:maven-install-plugin:2.3.1 or one of its dependencies could not be resolved: Failed to read artifact descriptor for org.apache.maven.plugins:maven-install-plugin:jar:2.3.1: Could not transfer artifact org.apache.maven.plugins:maven-install-plugin:pom:2.3.1 from/to central (http://repo.maven.apache.org/maven2): Failed to transfer file: http://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-install-plugin/2.3.1/maven-install-plugin-2.3.1.pom. Return code is: 501 , ReasonPhrase:HTTPS Required. -> [Help 1]

To see the full stack trace of the errors, re-run Maven with the -e switch.
Re-run Maven using the -X switch to enable full debug logging.

For more information about the errors and possible solutions, please read the following articles:
[Help 1] http://cwiki.apache.org/confluence/display/MAVEN/PluginResolutionException

Any idea what I am doing wrong?

I also used the Codename One initializr to build the Bare-bones Java App, same problem in Netbeans. When I tried to run it from the command line, it worked.

Thanks,

Martin

[Shai Almog]

The plugin is no longer applicable with Maven so that's OK. Not sure about the problem in NetBeans, we'll need to check.

[Steve Hannah]

Not sure exactly why this would be happening, but this SO thread sounds similar, and suggests that there are some maven config things that you can try to fix it.

https://stackoverflow.com/questions/7819163/maven-failed-to-retrieve-plugin-descriptor-error

Steve

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Steve Hannah

Web Lite Solutions Corp.