According to the following GitHub answer https://github.com/jacoco/jacoco/issues/980#issuecomment-563091107 the exec binary file is most likely truncated due to the JVM shutdown not gracefully executed

According to the following GitHub answer https://github.com/jacoco/jacoco/issues/980#issuecomment-563091107 the exec binary file was truncated due to the JVM shutdown not gracefully executed, meaning JaCoCO exec binary file is corrupted. To resolve this exception make sure you shutdown the JVM gracefully i.e. by invoking the JVM shutdown hook.