build.gradle

apply from : 'common.gradle'

apply plugin: 'java'
apply plugin: 'maven'

group = 'tokbox'
version = "1.0.0-SNAPSHOT"
sourceCompatibility = 1.6


dependencies {
    compile group: 'org.codehaus.jackson', name: 'jackson-mapper-asl', version: '1.9.1'
    compile group: 'log4j', name: 'log4j', version: '1.2.16'
    compile group: 'org.slf4j', name: 'slf4j-api', version: '1.6.1'

    testCompile group: 'junit', name: 'junit', version: '4.10'
    testCompile group: 'org.mockito', name:    'mockito-core', version: '1.9.5'
}


test {
  // show standard out and standard error of the test JVM(s) on the console
  testLogging.showStandardStreams = true

  // set heap size for the test JVM(s)
  minHeapSize = "512m"
  maxHeapSize = "2048m"

  // set JVM arguments for the test JVM(s)
  jvmArgs '-Xmx2048m'
  
  // listen to events in the test execution lifecycle
  beforeTest { descriptor ->
     logger.lifecycle("Running test: " + descriptor)
  }

  // listen to standard out and standard error of the test JVM(s)
  onOutput { descriptor, event ->
     logger.lifecycle("Test: " + descriptor + " produced standard out/err: " + event.message )
  }
}

common.gradle

buildscript {
    repositories {
        maven {
            name "artifactory"
            delegate.url("http://repo.jfrog.org/artifactory/gradle-plugins")
        }
    }
    dependencies {
        classpath 'org.jfrog.buildinfo:build-info-extractor-gradle:2.0.16'
    }
}
apply plugin: 'org.jfrog.gradle.plugin.artifactory.ArtifactoryPlugin'

project.ext.set("artifactory_user", "foo")
project.ext.set("artifactory_password", "bar")
project.ext.set("artifactory_contextUrl", "http://repo.example.com/artifactory")

repositories {
    maven {
        url project.ext.artifactory_contextUrl
        credentials {
            username = project.ext.artifactory_user
            password = project.ext.artifactory_password
        }
    }
}

configurations.all {
    resolutionStrategy.cacheChangingModulesFor 0, 'minutes'
}

artifactory {
    contextUrl = "http://repo.example.com/artifactory"   //The base Artifactory URL if not overridden by the publisher/resolver
    publish {
        repository {
            repoKey = 'libs-snapshot-local'
            maven = true
            username = project.ext.artifactory_user
            password = project.ext.artifactory_password
        }
    }
    resolve {
        repository {
            repoKey = 'libs-all'
            maven = true
            username = project.ext.artifactory_user
            password = project.ext.artifactory_password
        }
    }
}

getting error : Plugin with id 'org.jfrog.gradle.plugin.artifactory.ArtifactoryPlugin' not found. can any one help on it.