12:17:12 [ERROR] Failed to execute goal com.googlecode.maven-download-    plugin:download-maven-plugin:1.3.0:wget (default) on project myprojecy: The     parameters 'url' for goal com.googlecode.maven-download-plugin:download-maven-plugin:1.3.0:wget are missing or invalid -> [Help 1]
12:17:12 [ERROR]
12:17:12 [ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
12:17:12 [ERROR] Re-run Maven using the -X switch to enable full debug logging.
12:17:12 [ERROR]
12:17:12 [ERROR] For more information about the errors and possible solutions, please read the following articles:
12:17:12 [ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/PluginParameterException

<settings class="jenkins.mvn.DefaultSettingsProvider"/>
<globalSettings class="jenkins.mvn.DefaultGlobalSettingsProvider"/>
<injectBuildVariables>false</injectBuildVariables>

configure { node ->
node / settings (class: 'jenkins.mvn.DefaultSettingsProvider') {
}
node / globalSettings (class: 'jenkins.mvn.DefaultGlobalSettingsProvider') {
}
node / injectBuildVariables ('false') {
}
}

15:06:31 [DEBUG] Goal:          com.googlecode.maven-download-plugin:download-maven-plugin:1.3.0:wget (default)
 15:06:31 [DEBUG] Style:         Regular
 15:06:31 [DEBUG] Configuration: <?xml version="1.0" encoding="UTF-8"?>
 15:06:31 <configuration>
 15:06:31   <cacheDirectory>${download.cache.directory}</cacheDirectory>
 15:06:31   <checkSignature default-value="false">${checkSignature}</checkSignature>
 15:06:31   <failOnError default-value="true"/>
 15:06:31   <outputDirectory default-value="${project.build.directory}">D:datajenkinsworkspaceprojecttarget</outputDirectory>
 15:06:31   <outputFileName>${jarsigner.keystore.filename}</outputFileName>
 15:06:31   <overwrite>${download.overwrite}</overwrite>
 15:06:31   <readTimeOut default-value="0"/>
 15:06:31   <retries default-value="2"/>
 15:06:31   <session>${session}</session>
 15:06:31   <skip default-value="false">${download.plugin.skip}</skip>
 15:06:31   <skipCache default-value="false"/>
 15:06:31   <unpack default-value="false">false</unpack>
 15:06:31   <url>${jarsigner.keystore.url}</url>
 15:06:31 </configuration>