2016-12-15 12:33:30,336 [main] INFO  Benchmarking started: parallelBenchmarkCount (1) for problemCount (1), solverCount (1), totalSubSingleCount (1).
2016-12-15 12:33:30,356 [main] WARN  The subSingleBenchmarkRunner (input01_Late Acceptance_0) failed.
java.lang.IllegalArgumentException: Failed reading inputSolutionFile (input01.xlsx).
	at org.optaplanner.persistence.xstream.impl.domain.solution.XStreamSolutionFileIO.read(XStreamSolutionFileIO.java:64) ~[optaplanner-persistence-xstream-7.0.0.Beta4.jar:7.0.0.Beta4]
	at org.optaplanner.benchmark.impl.result.ProblemBenchmarkResult.readPlanningProblem(ProblemBenchmarkResult.java:296) ~[optaplanner-benchmark-7.0.0.Beta4.jar:7.0.0.Beta4]
	at org.optaplanner.benchmark.impl.SubSingleBenchmarkRunner.call(SubSingleBenchmarkRunner.java:83) ~[optaplanner-benchmark-7.0.0.Beta4.jar:7.0.0.Beta4]
	at org.optaplanner.benchmark.impl.SubSingleBenchmarkRunner.call(SubSingleBenchmarkRunner.java:34) ~[optaplanner-benchmark-7.0.0.Beta4.jar:7.0.0.Beta4]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[na:1.8.0_60]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) ~[na:1.8.0_60]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) ~[na:1.8.0_60]
	at java.lang.Thread.run(Thread.java:745) ~[na:1.8.0_60]
Caused by: com.thoughtworks.xstream.io.StreamException: 
	at com.thoughtworks.xstream.io.xml.XppReader.pullNextEvent(XppReader.java:124) ~[xstream-1.4.9.jar:1.4.9]
	at com.thoughtworks.xstream.io.xml.AbstractPullReader.readRealEvent(AbstractPullReader.java:148) ~[xstream-1.4.9.jar:1.4.9]
	at com.thoughtworks.xstream.io.xml.AbstractPullReader.readEvent(AbstractPullReader.java:141) ~[xstream-1.4.9.jar:1.4.9]
	at com.thoughtworks.xstream.io.xml.AbstractPullReader.move(AbstractPullReader.java:118) ~[xstream-1.4.9.jar:1.4.9]
	at com.thoughtworks.xstream.io.xml.AbstractPullReader.moveDown(AbstractPullReader.java:103) ~[xstream-1.4.9.jar:1.4.9]
	at com.thoughtworks.xstream.io.xml.XppReader.<init>(XppReader.java:63) ~[xstream-1.4.9.jar:1.4.9]
	at com.thoughtworks.xstream.io.xml.AbstractXppDriver.createReader(AbstractXppDriver.java:54) ~[xstream-1.4.9.jar:1.4.9]
	at com.thoughtworks.xstream.XStream.fromXML(XStream.java:1085) ~[xstream-1.4.9.jar:1.4.9]
	at org.optaplanner.persistence.xstream.impl.domain.solution.XStreamSolutionFileIO.read(XStreamSolutionFileIO.java:62) ~[optaplanner-persistence-xstream-7.0.0.Beta4.jar:7.0.0.Beta4]
	... 7 common frames omitted
Caused by: org.xmlpull.v1.XmlPullParserException: only whitespace content allowed before start tag and not P (position: START_DOCUMENT seen P... @1:1) 
	at org.xmlpull.mxp1.MXParser.parseProlog(MXParser.java:1519) ~[xpp3_min-1.1.4c.jar:na]
	at org.xmlpull.mxp1.MXParser.nextImpl(MXParser.java:1395) ~[xpp3_min-1.1.4c.jar:na]
	at org.xmlpull.mxp1.MXParser.next(MXParser.java:1093) ~[xpp3_min-1.1.4c.jar:na]
	at com.thoughtworks.xstream.io.xml.XppReader.pullNextEvent(XppReader.java:109) ~[xstream-1.4.9.jar:1.4.9]
	... 15 common frames omitted
2016-12-15 12:33:30,377 [main] INFO  Generating benchmark report...
2016-12-15 12:33:30,998 [main] INFO  Benchmarking failed: time spent (23), failureCount (1), statistic html overview (/path/local/data/2016-12-15_123330/index.html).
Exception in thread "main" org.optaplanner.benchmark.api.PlannerBenchmarkException: Benchmarking failed: failureCount (1). The exception of the firstFailureSingleBenchmarkRunner (roster-10spots-28days_Late Acceptance_0) is chained.
	at org.optaplanner.benchmark.impl.DefaultPlannerBenchmark.benchmarkingEnded(DefaultPlannerBenchmark.java:322)
	at org.optaplanner.benchmark.impl.DefaultPlannerBenchmark.benchmark(DefaultPlannerBenchmark.java:105)
	at org.optaplanner.training.workerrostering.app.WorkerBenchmarkApp.main(WorkerBenchmarkApp.java:16)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at com.intellij.rt.execution.application.AppMain.main(AppMain.java:147)
Caused by: java.lang.IllegalArgumentException: Failed reading inputSolutionFile (input01.xlsx).
	at org.optaplanner.persistence.xstream.impl.domain.solution.XStreamSolutionFileIO.read(XStreamSolutionFileIO.java:64)
	at org.optaplanner.benchmark.impl.result.ProblemBenchmarkResult.readPlanningProblem(ProblemBenchmarkResult.java:296)
	at org.optaplanner.benchmark.impl.SubSingleBenchmarkRunner.call(SubSingleBenchmarkRunner.java:83)
	at org.optaplanner.benchmark.impl.SubSingleBenchmarkRunner.call(SubSingleBenchmarkRunner.java:34)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
Caused by: com.thoughtworks.xstream.io.StreamException: 
	at com.thoughtworks.xstream.io.xml.XppReader.pullNextEvent(XppReader.java:124)
	at com.thoughtworks.xstream.io.xml.AbstractPullReader.readRealEvent(AbstractPullReader.java:148)
	at com.thoughtworks.xstream.io.xml.AbstractPullReader.readEvent(AbstractPullReader.java:141)
	at com.thoughtworks.xstream.io.xml.AbstractPullReader.move(AbstractPullReader.java:118)
	at com.thoughtworks.xstream.io.xml.AbstractPullReader.moveDown(AbstractPullReader.java:103)
	at com.thoughtworks.xstream.io.xml.XppReader.<init>(XppReader.java:63)
	at com.thoughtworks.xstream.io.xml.AbstractXppDriver.createReader(AbstractXppDriver.java:54)
	at com.thoughtworks.xstream.XStream.fromXML(XStream.java:1085)
	at org.optaplanner.persistence.xstream.impl.domain.solution.XStreamSolutionFileIO.read(XStreamSolutionFileIO.java:62)
	... 7 more
Caused by: org.xmlpull.v1.XmlPullParserException: only whitespace content allowed before start tag and not P (position: START_DOCUMENT seen P... @1:1) 
	at org.xmlpull.mxp1.MXParser.parseProlog(MXParser.java:1519)
	at org.xmlpull.mxp1.MXParser.nextImpl(MXParser.java:1395)
	at org.xmlpull.mxp1.MXParser.next(MXParser.java:1093)
	at com.thoughtworks.xstream.io.xml.XppReader.pullNextEvent(XppReader.java:109)
	... 15 more