at nextflow.sort.BigSort.sort(BigSort.java:258)
	at nextflow.file.SortFileCollector.makeHash(SortFileCollector.groovy:274)
	at nextflow.file.FileCollector.saveTo(FileCollector.groovy:188)
	at nextflow.file.FileCollector$saveTo.call(Unknown Source)
	at nextflow.extension.CollectFileOp.emitItems(CollectFileOp.groovy:189)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:93)
	at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:325)
	at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1213)
	at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1080)
	at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1022)
	at groovy.lang.Closure.call(Closure.java:414)
	at groovy.lang.Closure.call(Closure.java:430)
	at groovy.lang.Closure$call.call(Unknown Source)
	at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:48)
	at org.codehaus.groovy.runtime.callsite.PogoMetaClassSite.call(PogoMetaClassSite.java:57)
	at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:125)
	at nextflow.extension.DataflowHelper$2.afterStop(DataflowHelper.groovy:186)
	at groovyx.gpars.dataflow.operator.DataflowProcessor.fireAfterStop(DataflowProcessor.java:324)
	at groovyx.gpars.dataflow.operator.DataflowProcessorActor.afterStop(DataflowProcessorActor.java:59)
	at sun.reflect.GeneratedMethodAccessor284.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:93)
	at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:325)
	at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1213)
	at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1022)
	at org.codehaus.groovy.runtime.InvokerHelper.invokePojoMethod(InvokerHelper.java:913)
	at org.codehaus.groovy.runtime.InvokerHelper.invokeMethod(InvokerHelper.java:904)
	at groovyx.gpars.actor.Actor.callDynamic(Actor.java:369)
	at groovyx.gpars.actor.Actor.handleTermination(Actor.java:320)
	at groovyx.gpars.actor.AbstractLoopingActor$1.handleMessage(AbstractLoopingActor.java:86)
	at groovyx.gpars.util.AsyncMessagingCore.run(AsyncMessagingCore.java:132)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.nio.channels.ClosedByInterruptException: null
	at java.nio.channels.spi.AbstractInterruptibleChannel.end(AbstractInterruptibleChannel.java:202)
	at sun.nio.ch.FileChannelImpl.write(FileChannelImpl.java:216)
	at java.nio.channels.Channels.writeFullyImpl(Channels.java:78)
	at java.nio.channels.Channels.writeFully(Channels.java:101)
	at java.nio.channels.Channels.access$000(Channels.java:61)
	at java.nio.channels.Channels$1.write(Channels.java:174)
	at java.io.DataOutputStream.writeLong(DataOutputStream.java:224)
	at nextflow.sort.BigSort.sliceSort(BigSort.java:294)
	at nextflow.sort.BigSort.sort(BigSort.java:239)
	... 38 common frames omitted