i think my configure.xml is correct

<config xmlns="http://org.jenkinsci.plugins/WeblogicDeploymentPlugin"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://org.jenkinsci.plugins/WeblogicDeploymentPlugin plugin-configuration.xsd">
<weblogic-targets>
<weblogic-target>
<name>AdminServer</name>
<host>ip</host>
<port>8080</port>
<login>weblogic</login>
<password>weblogic</password>
<authMode>BY_LOGIN</authMode>
</weblogic-target>
</weblogic-targets>
</config>

the job's configure like photo
when i excute the job,it builded failed,
the console message following:

15:15:41 [WeblogicDeploymentPlugin] - the following file recorded ICPlatform.war is eligible.
15:15:41 [WeblogicDeploymentPlugin] - Deploying the artifact on the following target : (name=AdminServer) (host=10.100.31.65) (port=8080)
15:15:41 java.lang.NoSuchMethodError: hudson.EnvVars.get(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;
15:15:41 at org.jenkinsci.plugins.deploy.weblogic.util.ParameterValueResolver.resolveEnvVar(ParameterValueResolver.java:33)
15:15:41 at org.jenkinsci.plugins.deploy.weblogic.deployer.WebLogicDeployer.getWebLogicCommandLine(WebLogicDeployer.java:75)
15:15:41 at org.jenkinsci.plugins.deploy.weblogic.task.DeploymentTaskServiceImpl.undeploy(DeploymentTaskServiceImpl.java:281)
15:15:41 at org.jenkinsci.plugins.deploy.weblogic.task.DeploymentTaskServiceImpl.perform(DeploymentTaskServiceImpl.java:181)
15:15:41 at org.jenkinsci.plugins.deploy.weblogic.WeblogicDeploymentPlugin.perform(WeblogicDeploymentPlugin.java:236)
15:15:41 at hudson.tasks.BuildStepMonitor$1.perform(BuildStepMonitor.java:19)
15:15:41 at hudson.model.AbstractBuild$AbstractBuildExecution.perform(AbstractBuild.java:717)
15:15:41 at hudson.model.AbstractBuild$AbstractBuildExecution.performAllBuildSteps(AbstractBuild.java:692)
15:15:41 at hudson.model.Build$BuildExecution.post2(Build.java:183)
15:15:41 at hudson.model.AbstractBuild$AbstractBuildExecution.post(AbstractBuild.java:639)
15:15:41 at hudson.model.Run.execute(Run.java:1513)
15:15:41 at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:46)
15:15:41 at hudson.model.ResourceController.execute(ResourceController.java:88)
15:15:41 at hudson.model.Executor.run(Executor.java:236)
15:15:41 ERROR: [WeblogicDeploymentPlugin] - Failed to deploy.