Issues when compiling basic Java SE using Maven

[rafa <ra...@ibercomp.com>]

Hi everyone,  

I am new on Maven and I am trying to create project and compile project
using Netbeans IDE. 

I have successfully installed Maven  

Then I have created a Java SE application using Maven in Netbeans. Find
attached the pom.xml 

When trying to compile it through netbeans, I get next: 

_cd C:\Datos\Java\MavenTest; "JAVA_HOME=C:\\Program
Files\\Java\\jdk1.8.0_151" cmd /c "\"\"C:\\Program Files\\NetBeans
8.2\\java\\maven\\bin\\mvn.bat\" -Dmaven.ext.class.path=\"C:\\Program
Files\\NetBeans 8.2\\java\\maven-nblib\\netbeans-eventspy.jar\"
-Dfile.encoding=UTF-8 install\""_
_Scanning for projects..._

_------------------------------------------------------------------------_
_Building MavenTest 1.0-SNAPSHOT_
_------------------------------------------------------------------------_
_The POM for org.apache.maven.plugins:maven-resources-plugin:jar:2.5 is
missing, no dependency information available_
_------------------------------------------------------------------------_
_BUILD FAILURE_
_------------------------------------------------------------------------_
_Total time: 0.095s_
_Finished at: Wed Oct 07 08:12:03 CEST 2020_
_Final Memory: 7M/155M_
_------------------------------------------------------------------------_
_Plugin org.apache.maven.plugins:maven-resources-plugin:2.5 or one of
its dependencies could not be resolved: Failed to read artifact
descriptor for org.apache.maven.plugins:maven-resources-plugin:jar:2.5:
Failure to find org.apache.maven.plugins:maven-resources-plugin:pom:2.5
in http://repo.maven.apache.org/maven2 was cached in the local
repository, resolution will not be reattempted until the update interval
of central has elapsed or updates are forced -> [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_


After googling a lot, I found some suggestions about the proxy settings.
However, when using _netsh winhttp show proxy _in cmd, I get 
that no proxy is used. 

Please find attached my settings.xml config. This is used on: 

my\path\to\maven\apache-maven-3.6.3\conf 
C:\Program Files\NetBeans 8.2\java\maven\conf 
C:\Users\Gladys Pluas\.m2 

If I try to compile the project using mvn compile from command line, I
get: 

Any idea of what I am missing? 

Kind Regards,

Re: Issues when compiling basic Java SE using Maven

[Karl Heinz Marbaise <kh...@gmx.de>]

Hi,

the problem is simply you are trying to access central repository via
http instead of https ....


So you have to change the configuration in Maven as well as in Netbeans
to use the https://repo.maven.apache.org/maven2

Since 15. January 2020 access to central only via https:


https://support.sonatype.com/hc/en-us/articles/360041287334-Central-501-HTTPS-Required


Kind regards
Karl Heinz Marbaise

On 07.10.20 08:34, rafa wrote:
> Hi everyone,
>
> I am new on Maven and I am trying to create project and compile project
> using Netbeans IDE.
>
> I have successfully installed Maven
>
> Then I have created a Java SE application using Maven in Netbeans. Find
> attached the pom.xml
> When trying to compile it through netbeans, I get next:
> /cd C:\Datos\Java\MavenTest; "JAVA_HOME=C:\\Program
> Files\\Java\\jdk1.8.0_151" cmd /c "\"\"C:\\Program Files\\NetBeans
> 8.2\\java\\maven\\bin\\mvn.bat\" -Dmaven.ext.class.path=\"C:\\Program
> Files\\NetBeans 8.2\\java\\maven-nblib\\netbeans-eventspy.jar\"
> -Dfile.encoding=UTF-8 install\""/
> /Scanning for projects.../
>
> /------------------------------------------------------------------------/
> /Building MavenTest 1.0-SNAPSHOT/
> /------------------------------------------------------------------------/
> /The POM for org.apache.maven.plugins:maven-resources-plugin:jar:2.5 is
> missing, no dependency information available/
> /------------------------------------------------------------------------/
> /BUILD FAILURE/
> /------------------------------------------------------------------------/
> /Total time: 0.095s/
> /Finished at: Wed Oct 07 08:12:03 CEST 2020/
> /Final Memory: 7M/155M/
> /------------------------------------------------------------------------/
> /Plugin org.apache.maven.plugins:maven-resources-plugin:2.5 or one of
> its dependencies could not be resolved: Failed to read artifact
> descriptor for org.apache.maven.plugins:maven-resources-plugin:jar:2.5:
> Failure to find org.apache.maven.plugins:maven-resources-plugin:pom:2.5
> in http://repo.maven.apache.org/maven2 was cached in the local
> repository, resolution will not be reattempted until the update interval
> of central has elapsed or updates are forced -> [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/
> After googling a lot, I found some suggestions about the proxy
> settings. However, when using /netsh winhttp show proxy /in cmd, I get
> that no proxy is used.
> Please find attached my settings.xml config. This is used on:
> my\path\to\maven\apache-maven-3.6.3\conf
> C:\Program Files\NetBeans 8.2\java\maven\conf
> C:\Users\Gladys Pluas\.m2
> If I try to compile the project using mvn compile from command line, I get:
> Any idea of what I am missing?
> Kind Regards,
>
>
>
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