Eclipse Juno build error with "Maven Project Builder"

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If you are using external maven check if that is selected enter image description here

Also try deleting .m2 and check settings file over there if it is pointing to correct place in localRepository tag

C:\Users\sunny.m2\repository

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BanksySan
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BanksySan

system.out.println("Hello World");

Updated on January 04, 2021

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  • BanksySan
    BanksySan over 3 years

    When I try to clean & build my Maven project I get the following error:

    Errors occurred during the build.
    Errors running builder 'Maven Project Builder' on project '(Hid Project Name)'.
    org/apache/maven/project/MavenProject
    Errors running builder 'Maven Project Builder' on project '(Hid Project Name)'.
    org/apache/maven/project/MavenProject
    

    similarly with the clean all process, it throws the following:

    Errors occurred during the build.
    Errors running builder 'Maven Project Builder' on project '(Hid Project Name)'.
    loader constraint violation: loader (instance of org/eclipse/osgi/internal/baseadaptor/DefaultClassLoader) previously initiated loading for a different type with name "org/apache/maven/plugin/MojoExecution"
    Errors running builder 'Maven Project Builder' on project '(Hid Project Name)'.
    org/apache/maven/plugin/MojoExecution
    Errors running builder 'Maven Project Builder' on project '(Hid Project Name)'.
    org/apache/maven/plugin/MojoExecution
    Errors running builder 'Maven Project Builder' on project '(Hid Project Name)'.
    org/apache/maven/plugin/MojoExecution
    Errors running builder 'Maven Project Builder' on project '(Hid Project Name)'.
    org/apache/maven/plugin/MojoExecution
    Errors running builder 'Maven Project Builder' on project '(Hid Project Name)'.
    org/apache/maven/plugin/MojoExecution
    Errors running builder 'Maven Project Builder' on project '(Hid Project Name)'.
    org/apache/maven/plugin/MojoExecution
    Errors running builder 'Maven Project Builder' on project '(Hid Project Name)'.
    org/apache/maven/plugin/MojoExecution
    Errors running builder 'Maven Project Builder' on project '(Hid Project Name)'.
    org/apache/maven/plugin/MojoExecution
    Errors running builder 'Maven Project Builder' on project '(Hid Project Name)'.
    org/apache/maven/plugin/MojoExecution
    Errors running builder 'Maven Project Builder' on project '(Hid Project Name)'.
    org/apache/maven/plugin/MojoExecution
    

    Any ideas what causes this?

  • BanksySan
    BanksySan about 9 years
    Up vote for being the only person to reply to this in 3 years! I think that deserved a badge.