grails.project.repos.default = "ABC"
grails.project.repos.ABC.url = "https://url_to_our_mvn"
grails.project.repos.ABC.type = "maven"
grails.project.repos.ABC.username = "auth_user"
grails.project.repos.ABC.password = "auth_password"
grails.project.repos.ABC.protocol = "webdav"

[me@machine]$ /path/to/grails-3.0.4/bin/grails publish-plugin
:generatePomFileForMavenPublication
:compileAstJava UP-TO-DATE
:compileAstGroovy UP-TO-DATE
:processAstResources UP-TO-DATE
:astClasses UP-TO-DATE
:compileJava UP-TO-DATE
:configScript UP-TO-DATE
:compileGroovy UP-TO-DATE
:copyAstClasses UP-TO-DATE
:copyAssets UP-TO-DATE
:copyCommands UP-TO-DATE
:copyTemplates UP-TO-DATE
:processResources UP-TO-DATE
:classes UP-TO-DATE
:jar UP-TO-DATE
:groovydoc UP-TO-DATE
:javadoc UP-TO-DATE
:javadocJar UP-TO-DATE
:sourcesJar UP-TO-DATE
:publishMavenPublicationToMavenRepository FAILED

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':publishMavenPublicationToMavenRepository'.
> Failed to publish publication 'maven' to repository 'maven'
   > java.lang.NullPointerException (no error message)

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.

buildscript {
    ext {
        grailsVersion = project.grailsVersion
    }
    repositories {
        mavenLocal()
        maven { url 'https://repo.grails.org/grails/core' }
    }
    dependencies {
        classpath "org.grails:grails-gradle-plugin:$grailsVersion"
    }
}

plugins {
    id 'io.spring.dependency-management' version '0.5.2.RELEASE'
    id 'com.jfrog.bintray' version '1.2'
}

version '3.0.0'
group 'org.grails.plugins'

apply plugin: 'maven-publish'
apply plugin: 'spring-boot'
apply plugin: 'org.grails.grails-plugin'

apply from: 'https://raw.githubusercontent.com/grails/grails-profile-repository/master/profiles/plugin/templates/grailsCentralPublishing.gradle'
apply from: 'https://raw.githubusercontent.com/grails/grails-profile-repository/master/profiles/plugin/templates/bintrayPublishing.gradle'

ext {
    grailsVersion = project.grailsVersion
    gradleWrapperVersion = project.gradleWrapperVersion
}

sourceCompatibility = targetCompatibility = 1.7

repositories {
    mavenLocal()
    jcenter()
    maven { url 'https://repo.grails.org/grails/core' }
}

dependencyManagement {
    imports {
        mavenBom "org.grails:grails-bom:$grailsVersion"
    }
    applyMavenExclusions false
}

dependencies {

    provided 'javax.servlet:javax.servlet-api:3.1.0'
    provided 'org.grails:grails-dependencies'
    provided 'org.grails:grails-web-boot'

    compile 'org.jsoup:jsoup:1.8.3'
    compile 'org.apache.commons:commons-lang3:3.0.1'
    compile 'org.pegdown:pegdown:1.5.0'
    compile 'com.overzealous:remark:1.0.0'

    console 'org.grails:grails-console'

    testCompile 'org.grails:grails-plugin-testing'
}

task wrapper(type: Wrapper) {
    gradleVersion = gradleWrapperVersion
}