java.lang.NullPointerException: This exception has no message.

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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.gradle.api.internal.project.ant.BasicAntBuilder.nodeCompleted(BasicAntBuilder.java:78)
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)

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