NullPointerException occur when xcodebuild -list -workspace
There are three schemas in the workspace.
I am using cocoaPod.

14:03:55 ERROR: Build step failed with exception*14:03:55* java.lang.NullPointerException*14:03:55* at au.com.rayh.XCodeBuilder._perform(XCodeBuilder.java:1246)14:03:55 at au.com.rayh.XCodeBuilder.perform(XCodeBuilder.java:1042)14:03:55 at hudson.tasks.BuildStepMonitor$1.perform(BuildStepMonitor.java:20)14:03:55 at hudson.model.AbstractBuild$AbstractBuildExecution.perform(AbstractBuild.java:744)14:03:55 at hudson.model.Build$BuildExecution.build(Build.java:206)14:03:55 at hudson.model.Build$BuildExecution.doRun(Build.java:163)14:03:55 at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:504)14:03:55 at hudson.model.Run.execute(Run.java:1810)14:03:55 at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)14:03:55 at hudson.model.ResourceController.execute(ResourceController.java:97)14:03:55 at hudson.model.Executor.run(Executor.java:429)