Caused by: java.lang.NullPointerException: Cannot get property 'applicationId' on null object
at com.antfortune.freeline.FreelineInitializer.generateProjectDescription(FreelineInitializer.groovy:57)
at com.antfortune.freeline.FreelineInitializer$generateProjectDescription.callStatic(Unknown Source)
at com.antfortune.freeline.FreelineInitializer.initFreeline(FreelineInitializer.groovy:17)
at com.antfortune.freeline.FreelineInitializer$initFreeline$0.call(Unknown Source)
at com.antfortune.freeline.FreelinePlugin$_apply_closure2.doCall(FreelinePlugin.groovy:38)
at org.gradle.api.internal.AbstractTask$ClosureTaskAction.execute(AbstractTask.java:596)
at org.gradle.api.internal.AbstractTask$ClosureTaskAction.execute(AbstractTask.java:577)
at org.gradle.api.internal.tasks.TaskMutator$1.execute(TaskMutator.java:90)
at org.gradle.api.internal.tasks.TaskMutator$1.execute(TaskMutator.java:86)
at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeAction(ExecuteActionsTaskExecuter.java:95)
at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:76)
... 70 more
Caused by: java.lang.NullPointerException: Cannot get property 'applicationId' on null object at com.antfortune.freeline.FreelineInitializer.generateProjectDescription(FreelineInitializer.groovy:57) at com.antfortune.freeline.FreelineInitializer$generateProjectDescription.callStatic(Unknown Source) at com.antfortune.freeline.FreelineInitializer.initFreeline(FreelineInitializer.groovy:17) at com.antfortune.freeline.FreelineInitializer$initFreeline$0.call(Unknown Source) at com.antfortune.freeline.FreelinePlugin$_apply_closure2.doCall(FreelinePlugin.groovy:38) at org.gradle.api.internal.AbstractTask$ClosureTaskAction.execute(AbstractTask.java:596) at org.gradle.api.internal.AbstractTask$ClosureTaskAction.execute(AbstractTask.java:577) at org.gradle.api.internal.tasks.TaskMutator$1.execute(TaskMutator.java:90) at org.gradle.api.internal.tasks.TaskMutator$1.execute(TaskMutator.java:86) at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeAction(ExecuteActionsTaskExecuter.java:95) at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:76) ... 70 more
请问一下,这是个什么原因?