Here is the message that I get. I am using PIT through ant.
pit:
[pitest] 12:52:53 PM PIT >> INFO : Verbose logging is disabled. If you encounter an problem please enable it before reporting an issue.
[pitest] 12:52:53 PM PIT >> INFO : Sending 28 test classes to slave
[pitest] 12:52:53 PM PIT >> INFO : Sent tests to slave
[pitest] 12:52:53 PM PIT >> WARNING : Error while watching child process
[pitest] java.util.concurrent.ExecutionException: org.pitest.util.PitError: Connection reset
[pitest]
[pitest] Please copy and paste the information and the complete stacktrace below when reporting an issue
[pitest] VM : OpenJDK 64-Bit Server VM
[pitest] Vendor : Oracle Corporation
[pitest] Version : 24.45-b08
[pitest] Uptime : 548
[pitest] Input ->
[pitest] BootClassPathSupported : true
[pitest]
[pitest] at java.util.concurrent.FutureTask.report(FutureTask.java:122)
[pitest] at java.util.concurrent.FutureTask.get(FutureTask.java:188)
[pitest] at org.pitest.util.CommunicationThread.waitToFinish(CommunicationThread.java:60)
[pitest] at org.pitest.coverage.execute.CoverageProcess.waitToDie(CoverageProcess.java:34)
[pitest] at org.pitest.coverage.execute.DefaultCoverageGenerator.gatherCoverageData(DefaultCoverageGenerator.java:127)
[pitest] at org.pitest.coverage.execute.DefaultCoverageGenerator.calculateCoverage(DefaultCoverageGenerator.java:82)
[pitest] at org.pitest.coverage.execute.DefaultCoverageGenerator.calculateCoverage(DefaultCoverageGenerator.java:46)
[pitest] at org.pitest.mutationtest.tooling.MutationCoverage.runReport(MutationCoverage.java:118)
[pitest] at org.pitest.mutationtest.tooling.EntryPoint.execute(EntryPoint.java:100)
[pitest] at org.pitest.mutationtest.tooling.EntryPoint.execute(EntryPoint.java:42)
[pitest] at org.pitest.mutationtest.commandline.MutationCoverageReport.runReport(MutationCoverageReport.java:69)
[pitest] at org.pitest.mutationtest.commandline.MutationCoverageReport.main(MutationCoverageReport.java:41)
[pitest] Caused by: org.pitest.util.PitError: Connection reset
[pitest]
[pitest] Please copy and paste the information and the complete stacktrace below when reporting an issue
[pitest] VM : OpenJDK 64-Bit Server VM
[pitest] Vendor : Oracle Corporation
[pitest] Version : 24.45-b08
[pitest] Uptime : 548
[pitest] Input ->
[pitest] BootClassPathSupported : true
[pitest]
[pitest] at org.pitest.util.Unchecked.translateCheckedException(Unchecked.java:20)
[pitest] at org.pitest.util.SafeDataInputStream.readByte(SafeDataInputStream.java:65)
[pitest] at org.pitest.util.SocketReadingCallable.receiveResults(SocketReadingCallable.java:64)
[pitest] at org.pitest.util.SocketReadingCallable.call(SocketReadingCallable.java:37)
[pitest] at org.pitest.util.SocketReadingCallable.call(SocketReadingCallable.java:13)
[pitest] at java.util.concurrent.FutureTask.run(FutureTask.java:262)
[pitest] at java.lang.Thread.run(Thread.java:744)
[pitest] Caused by: java.net.SocketException: Connection reset
[pitest] at java.net.SocketInputStream.read(SocketInputStream.java:196)
[pitest] at java.net.SocketInputStream.read(SocketInputStream.java:122)
[pitest] at java.io.BufferedInputStream.fill(BufferedInputStream.java:235)
[pitest] at java.io.BufferedInputStream.read(BufferedInputStream.java:254)
[pitest] at java.io.DataInputStream.readByte(DataInputStream.java:265)
[pitest] at org.pitest.util.SafeDataInputStream.readByte(SafeDataInputStream.java:63)
[pitest] ... 5 more
[pitest] 12:52:53 PM PIT >> INFO : Calculated coverage in 0 seconds.
[pitest] 12:52:53 PM PIT >> INFO : Created 29 mutation test units
[pitest]/================================================================================
[pitest] - Timings
[pitest] ================================================================================
[pitest] > scan classpath : < 1 second
[pitest] > coverage and dependency analysis : < 1 second
[pitest] > build mutation tests : < 1 second
[pitest] > run mutation analysis : < 1 second
[pitest] --------------------------------------------------------------------------------
[pitest] > Total : 1 seconds
[pitest] --------------------------------------------------------------------------------
[pitest] ================================================================================
[pitest] - Statistics
[pitest] ================================================================================
[pitest] >> Generated 841 mutations Killed 0 (0%)
[pitest] >> Ran 0 tests (0 tests per mutation)
[pitest] ================================================================================
[pitest] - Mutators
[pitest] ================================================================================
[pitest] > org.pitest.mutationtest.engine.gregor.mutators.MathMutator
[pitest] >> Generated 89 Killed 0 (0%)
[pitest] > KILLED 0 SURVIVED 0 TIMED_OUT 0 NON_VIABLE 0
[pitest] > MEMORY_ERROR 0 NOT_STARTED 0 STARTED 0 RUN_ERROR 0
[pitest] > NO_COVERAGE 89
[pitest] --------------------------------------------------------------------------------
[pitest] > org.pitest.mutationtest.engine.gregor.mutators.ConditionalsBoundaryMutator
[pitest] >> Generated 34 Killed 0 (0%)
[pitest] > KILLED 0 SURVIVED 0 TIMED_OUT 0 NON_VIABLE 0
[pitest] > MEMORY_ERROR 0 NOT_STARTED 0 STARTED 0 RUN_ERROR 0
[pitest] > NO_COVERAGE 34
[pitest] --------------------------------------------------------------------------------
[pitest] 12:52:54 PM PIT >> INFO : Completed in 1 seconds
[pitest] > org.pitest.mutationtest.engine.gregor.mutators.ReturnValsMutator
[pitest] >> Generated 36 Killed 0 (0%)
[pitest] > KILLED 0 SURVIVED 0 TIMED_OUT 0 NON_VIABLE 0
[pitest] > MEMORY_ERROR 0 NOT_STARTED 0 STARTED 0 RUN_ERROR 0
[pitest] > NO_COVERAGE 36
[pitest] --------------------------------------------------------------------------------
[pitest] > org.pitest.mutationtest.engine.gregor.mutators.VoidMethodCallMutator
[pitest] >> Generated 86 Killed 0 (0%)
[pitest] > KILLED 0 SURVIVED 0 TIMED_OUT 0 NON_VIABLE 0
[pitest] > MEMORY_ERROR 0 NOT_STARTED 0 STARTED 0 RUN_ERROR 0
[pitest] > NO_COVERAGE 86
[pitest] --------------------------------------------------------------------------------
[pitest] > org.pitest.mutationtest.engine.gregor.mutators.IncrementsMutator
[pitest] >> Generated 4 Killed 0 (0%)
[pitest] > KILLED 0 SURVIVED 0 TIMED_OUT 0 NON_VIABLE 0
[pitest] > MEMORY_ERROR 0 NOT_STARTED 0 STARTED 0 RUN_ERROR 0
[pitest] > NO_COVERAGE 4
[pitest] --------------------------------------------------------------------------------
[pitest] > org.pitest.mutationtest.engine.gregor.mutators.NegateConditionalsMutator
[pitest] >> Generated 592 Killed 0 (0%)
[pitest] > KILLED 0 SURVIVED 0 TIMED_OUT 0 NON_VIABLE 0
[pitest] > MEMORY_ERROR 0 NOT_STARTED 0 STARTED 0 RUN_ERROR 0
[pitest] > NO_COVERAGE 592
[pitest] --------------------------------------------------------------------------------