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java.lang.NullPointerException: 	at com.intellij.ant.Javac2.fireError(Javac2.java:524)	at com.intellij.ant.Javac2.instrumentNotNull(Javac2.java:476)	at com.intellij.ant.Javac2.instrumentNotNull(Javac2.java:480)	at com.intellij.ant.Javac2.instrumentNotNull(Javac2.java:480)	at com.intellij.ant.Javac2.instrumentNotNull(Javac2.java:480)	at com.intellij.ant.Javac2.instrumentNotNull(Javac2.java:480)	at com.intellij.ant.Javac2.instrumentNotNull(Javac2.java:480)	at com.intellij.ant.Javac2.instrumentNotNull(Javac2.java:480)	at com.intellij.ant.Javac2.compile(Javac2.java:255)	at org.apache.tools.ant.taskdefs.Javac.execute(Javac.java:936)	at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:293)	at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)	at org.gradle.api.internal.project.ant.BasicAntBuilder.nodeCompleted(BasicAntBuilder.java:78)	at org.gradle.api.internal.project.ant.BasicAntBuilder.doInvokeMethod(BasicAntBuilder.java:93)	at org.jetbrains.intellij.IntelliJInstrumentCodeAction.instrumentCode(IntelliJInstrumentCodeAction.groovy:75)	at org.jetbrains.intellij.IntelliJInstrumentCodeAction$_execute_closure2.doCall(IntelliJInstrumentCodeAction.groovy:44)	at org.jetbrains.intellij.IntelliJInstrumentCodeAction.execute(IntelliJInstrumentCodeAction.groovy:35)	at org.jetbrains.intellij.IntelliJInstrumentCodeAction.execute(IntelliJInstrumentCodeAction.groovy)	at org.gradle.api.internal.AbstractTask$TaskActionWrapper.execute(AbstractTask.java:585)	at org.gradle.api.internal.AbstractTask$TaskActionWrapper.execute(AbstractTask.java:568)	at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeAction(ExecuteActionsTaskExecuter.java:80)	at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:61)