[ 
https://issues.apache.org/jira/browse/NLPCRAFT-76?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Paul King updated NLPCRAFT-76:
------------------------------
    Description: 
{color:#222222}[ERROR] Failed to execute goal{color}
{color:#222222}org.apache.maven.plugins:maven{color}{color:#222222}-surefire-plugin:2.22.1:test{color}
{color:#222222}(integration-tests) on project nlpcraft: There are test 
failures.{color}
{color:#222222}[ERROR]{color}
{color:#222222}[ERROR] Please refer to{color}
{color:#222222}D:\tmp\nlpcraft\073\apache-nlp{color}{color:#222222}craft\nlpcraft\target\surefire{color}{color:#222222}-reports
 for{color}
{color:#222222}the individual test results.{color}
{color:#222222}[ERROR] Please refer to dump files (if any exist) 
[date].dump,{color}
{color:#222222}[date]-jvmRun[N].dump and [date].dumpstream.{color}
{color:#222222}[ERROR] The forked VM terminated without properly saying 
goodbye. VM crash{color}
{color:#222222}or System.exit called?{color}
{color:#222222}[ERROR] Command was cmd.exe /X /C{color}
{color:#222222}"C:\Progra~1\AdoptOpenJDK\jdk-{color}{color:#222222}11.0.8.10-hotspot\bin\java
 -jar{color}
{color:#222222}"C:\Users\Paul{color}
{color:#222222}King\AppData\Local\Temp\surefi{color}{color:#222222}re7851445059229675487\surefire{color}{color:#222222}booter6212500639838130057.jar"{color}
{color:#222222}"C:\Users\Paul 
King\AppData\Local\Temp\surefi{color}{color:#222222}re7851445059229675487"{color}
{color:#222222}2021-01-18T18-48-51_629-jvmRun{color}{color:#222222}1 
surefire17512347805813647919tm{color}{color:#222222}p{color}
{color:#222222}surefire_0900453059839016198tm{color}{color:#222222}p"{color}
{color:#222222}[ERROR] Process Exit Code: 0{color}
{color:#222222}[ERROR] Crashed tests:{color}
{color:#222222}[ERROR] 
org.apache.nlpcraft.server.res{color}{color:#222222}t.NCRestAskSpec{color}
{color:#222222}[ERROR] 
org.apache.maven.surefire.boot{color}{color:#222222}er.SurefireBooterForkException{color}{color:#222222}:
 The{color}
{color:#222222}forked VM terminated without properly saying goodbye. VM crash 
or{color}
{color:#222222}System.exit called?{color}

{color:#222222}[ERROR] Failed to execute goal{color}
{color:#222222}org.apache.maven.plugins:maven{color}{color:#222222}-surefire-plugin:2.22.1:test{color}
{color:#222222}(integration-tests) on project nlpcraft: There are test 
failures.{color}
{color:#222222}[ERROR]{color}
{color:#222222}[ERROR] Please refer to{color}
{color:#222222}D:\tmp\nlpcraft\073\apache-nlp{color}{color:#222222}craft\nlpcraft\target\surefire{color}{color:#222222}-reports
 for{color}
{color:#222222}the individual test results.{color}
{color:#222222}[ERROR] Please refer to dump files (if any exist) 
[date].dump,{color}
{color:#222222}[date]-jvmRun[N].dump and [date].dumpstream.{color}
{color:#222222}[ERROR] The forked VM terminated without properly saying 
goodbye. VM crash{color}
{color:#222222}or System.exit called?{color}
{color:#222222}[ERROR] Command was cmd.exe /X /C{color}
{color:#222222}"C:\Progra~1\AdoptOpenJDK\jdk-{color}{color:#222222}11.0.8.10-hotspot\bin\java
 -jar{color}
{color:#222222}"C:\Users\Paul{color}
{color:#222222}King\AppData\Local\Temp\surefi{color}{color:#222222}re3495260889293679007\surefire{color}{color:#222222}booter12040527775344534193.{color}{color:#222222}jar"{color}
{color:#222222}"C:\Users\Paul 
King\AppData\Local\Temp\surefi{color}{color:#222222}re3495260889293679007"{color}
{color:#222222}2021-01-18T18-54-27_237-jvmRun{color}{color:#222222}1 
surefire6023894785853744471tmp{color}
{color:#222222}surefire_02137409296786047525t{color}{color:#222222}mp"{color}
{color:#222222}[ERROR] Process Exit Code: 0{color}
{color:#222222}[ERROR] Crashed tests:{color}
{color:#222222}[ERROR] 
org.apache.nlpcraft.probe.mgrs{color}{color:#222222}.nlp.enrichers.sort.NCEnricher{color}{color:#222222}SortSpec{color}
{color:#222222}[ERROR] 
org.apache.maven.surefire.boot{color}{color:#222222}er.SurefireBooterForkException{color}{color:#222222}:
 The{color}
{color:#222222}forked VM terminated without properly saying goodbye. VM crash 
or{color}
{color:#222222}System.exit called?{color}

Latest example with 0.7.4:

{noformat}
[ERROR] Failed to execute goal 
org.apache.maven.plugins:maven-surefire-plugin:2.22.1:test (integration-tests) 
on project nlpcraft: There are test failures.
[ERROR]
[ERROR] Please refer to 
D:\tmp\nlpcraft\074\apache-nlpcraft\nlpcraft\target\surefire-reports for the 
individual test results.
[ERROR] Please refer to dump files (if any exist) [date].dump, 
[date]-jvmRun[N].dump and [date].dumpstream.
[ERROR] The forked VM terminated without properly saying goodbye. VM crash or 
System.exit called?
[ERROR] Command was cmd.exe /X /C 
"C:\Progra~1\AdoptOpenJDK\jdk-11.0.8.10-hotspot\bin\java -jar "C:\Users\Paul 
King\AppData\Local\Temp\surefire5859117010280734854\surefirebooter7065006848197721739.jar"
 "C:\Users\Paul King\AppData\Local\Temp\surefire5859117010280734854" 
2021-01-28T14-51-44_521-jvmRun1 surefire10986047377906380386tmp 
surefire_02218379737656475030tmp"
[ERROR] Process Exit Code: 0
[ERROR] Crashed tests:
[ERROR] org.apache.nlpcraft.server.rest.NCRestAskSpec
[ERROR] org.apache.maven.surefire.booter.SurefireBooterForkException: The 
forked VM terminated without properly saying goodbye. VM crash or System.exit 
called?
[ERROR] Command was cmd.exe /X /C 
"C:\Progra~1\AdoptOpenJDK\jdk-11.0.8.10-hotspot\bin\java -jar "C:\Users\Paul 
King\AppData\Local\Temp\surefire5859117010280734854\surefirebooter7065006848197721739.jar"
 "C:\Users\Paul King\AppData\Local\Temp\surefire5859117010280734854" 
2021-01-28T14-51-44_521-jvmRun1 surefire10986047377906380386tmp 
surefire_02218379737656475030tmp"
[ERROR] Process Exit Code: 0
[ERROR] Crashed tests:
[ERROR] org.apache.nlpcraft.server.rest.NCRestAskSpec
[ERROR]         at 
org.apache.maven.plugin.surefire.booterclient.ForkStarter.fork(ForkStarter.java:669)
[ERROR]         at 
org.apache.maven.plugin.surefire.booterclient.ForkStarter.run(ForkStarter.java:282)
[ERROR]         at 
org.apache.maven.plugin.surefire.booterclient.ForkStarter.run(ForkStarter.java:245)
[ERROR]         at 
org.apache.maven.plugin.surefire.AbstractSurefireMojo.executeProvider(AbstractSurefireMojo.java:1183)
[ERROR]         at 
org.apache.maven.plugin.surefire.AbstractSurefireMojo.executeAfterPreconditionsChecked(AbstractSurefireMojo.java:1011)
[ERROR]         at 
org.apache.maven.plugin.surefire.AbstractSurefireMojo.execute(AbstractSurefireMojo.java:857)
[ERROR]         at 
org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:137)
[ERROR]         at 
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:210)
[ERROR]         at 
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:156)
[ERROR]         at 
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:148)
[ERROR]         at 
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:117)
[ERROR]         at 
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:81)
[ERROR]         at 
org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:56)
[ERROR]         at 
org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:128)
[ERROR]         at 
org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:305)
[ERROR]         at 
org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:192)
[ERROR]         at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:105)
[ERROR]         at org.apache.maven.cli.MavenCli.execute(MavenCli.java:957)
[ERROR]         at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:289)
[ERROR]         at org.apache.maven.cli.MavenCli.main(MavenCli.java:193)
[ERROR]         at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[ERROR]         at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
[ERROR]         at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
[ERROR]         at java.base/java.lang.reflect.Method.invoke(Method.java:566)
[ERROR]         at 
org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:282)
[ERROR]         at 
org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:225)
[ERROR]         at 
org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:406)
[ERROR]         at 
org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:347)
{noformat}

Server log has a few entries like below (might be totally unrelated):
{noformat}
...
Jan-28|14:42:32|ERR| Failed to process selector key 
[ses=GridSelectorNioSessionImpl [worker=DirectNioClientWorker 
[super=AbstractNioClientWorker [idx=0, bytesRcvd=0, bytesSent=0, bytesRcvd0=0, 
bytesSent0=0, select=true, super=GridWorker [name=grid-nio-worker-tcp-comm-0, 
igniteInstanceName=nlpcraft, finished=false, heartbeatTs=1611808951507, 
hashCode=925522753, interrupted=false, 
runner=grid-nio-worker-tcp-comm-0-#31%nlpcraft%]]], 
writeBuf=java.nio.DirectByteBuffer[pos=0 lim=18 cap=32768], 
readBuf=java.nio.DirectByteBuffer[pos=0 lim=32768 cap=32768], inRecovery=null, 
outRecovery=null, closeSocket=true, 
outboundMessagesQueueSizeMetric=o.a.i.i.processors.metric.impl.LongAdderMetric@69a257d1,
 super=GridNioSessionImpl [locAddr=/127.0.0.1:47100, rmtAddr=/127.0.0.1:54174, 
createTime=1611808951317, closeTime=0, bytesSent=0, bytesRcvd=0, bytesSent0=0, 
bytesRcvd0=0, sndSchedTime=1611808951317, lastSndTime=1611808951317, 
lastRcvTime=1611808951317, readsPaused=false, 
filterChain=FilterChain[filters=[GridNioCodecFilter 
[parser=o.a.i.i.util.nio.GridDirectParser@5c2895c8, directMode=true], 
GridConnectionBytesVerifyFilter], accepted=true, markedForClose=false]]]
java.io.IOException: An existing connection was forcibly closed by the remote 
host
        at sun.nio.ch.SocketDispatcher.write0(Native Method) ~[?:?]
        at sun.nio.ch.SocketDispatcher.write(SocketDispatcher.java:51) ~[?:?]
        at sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.java:113) ~[?:?]
        at sun.nio.ch.IOUtil.write(IOUtil.java:58) ~[?:?]
        at sun.nio.ch.IOUtil.write(IOUtil.java:50) ~[?:?]
        at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:466) ~[?:?]
        at 
org.apache.ignite.internal.util.nio.GridNioServer$DirectNioClientWorker.processWrite0(GridNioServer.java:1708)
 ~[apache-nlpcraft-incubating-0.7.4-all-deps.jar:0.7.4]
        at 
org.apache.ignite.internal.util.nio.GridNioServer$DirectNioClientWorker.processWrite(GridNioServer.java:1386)
 ~[apache-nlpcraft-incubating-0.7.4-all-deps.jar:0.7.4]
        at 
org.apache.ignite.internal.util.nio.GridNioServer$AbstractNioClientWorker.processSelectedKeysOptimized(GridNioServer.java:2481)
 [apache-nlpcraft-incubating-0.7.4-all-deps.jar:0.7.4]
        at 
org.apache.ignite.internal.util.nio.GridNioServer$AbstractNioClientWorker.bodyInternal(GridNioServer.java:2243)
 [apache-nlpcraft-incubating-0.7.4-all-deps.jar:0.7.4]
        at 
org.apache.ignite.internal.util.nio.GridNioServer$AbstractNioClientWorker.body(GridNioServer.java:1880)
 [apache-nlpcraft-incubating-0.7.4-all-deps.jar:0.7.4]
        at 
org.apache.ignite.internal.util.worker.GridWorker.run(GridWorker.java:120) 
[apache-nlpcraft-incubating-0.7.4-all-deps.jar:0.7.4]
        at java.lang.Thread.run(Thread.java:834) [?:?]
Jan-28|14:42:32|WRN| Client disconnected abruptly due to network connection 
loss or because the connection was left open on application shutdown. 
[cls=class o.a.i.i.util.nio.GridNioException, msg=An existing connection was 
forcibly closed by the remote host]
...
{noformat}
Dump files (might be totally unrelated):
{noformat}
...
# Created at 2021-01-28T14:51:05.974
System.exit() or native command error interrupted process checker.
java.lang.IllegalStateException: Cannot use PPID 1821040 process information. 
Going to use NOOP events.
        at 
org.apache.maven.surefire.booter.PpidChecker.checkProcessInfo(PpidChecker.java:155)
        at 
org.apache.maven.surefire.booter.PpidChecker.isProcessAlive(PpidChecker.java:116)
        at 
org.apache.maven.surefire.booter.ForkedBooter$2.run(ForkedBooter.java:214)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
        at 
java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305)
        at 
java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base/java.lang.Thread.run(Thread.java:834)


# Created at 2021-01-28T14:52:02.205
Killing self fork JVM. PING timeout elapsed.
...
============8<==============
...
# Created at 2021-01-28T14:51:04.278
TestSet has not finished before stream error has appeared >> initializing exit 
by non-null configuration: null
java.io.EOFException
        at java.base/java.io.DataInputStream.readInt(DataInputStream.java:397)
        at 
org.apache.maven.surefire.booter.MasterProcessCommand.decode(MasterProcessCommand.java:115)
        at 
org.apache.maven.surefire.booter.CommandReader$CommandRunnable.run(CommandReader.java:391)
        at java.base/java.lang.Thread.run(Thread.java:834)


# Created at 2021-01-28T14:51:08.582
Unexpected IOException with stream: Jan.-28|14:51:08|INF| NCService - 
(NCService.scala:147) - NCDialogFlowManager stopped.
...
{noformat}
Winver:
{noformat}
Version 20H2 (OS Build 19042.685)
{noformat}
Java version: 
{noformat}
openjdk version "11.0.8" 2020-07-14
OpenJDK Runtime Environment AdoptOpenJDK (build 11.0.8+10)
OpenJDK 64-Bit Server VM AdoptOpenJDK (build 11.0.8+10, mixed mode)
{noformat}
ENV:
{noformat}
PATH=C:\devtools\apache-maven-3.6.3\bin;C:\Progra~1\AdoptOpenJDK\jdk-11.0.8.10-hotspot\bin;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\system32\Wbem;c:\devtools
JAVA_HOME=C:\Progra~1\AdoptOpenJDK\jdk-11.0.8.10-hotspot
M2_HOME=C:\devtools\apache-maven-3.6.3
{noformat}


  was:
{color:#222222}[ERROR] Failed to execute goal{color}
{color:#222222}org.apache.maven.plugins:maven{color}{color:#222222}-surefire-plugin:2.22.1:test{color}
{color:#222222}(integration-tests) on project nlpcraft: There are test 
failures.{color}
{color:#222222}[ERROR]{color}
{color:#222222}[ERROR] Please refer to{color}
{color:#222222}D:\tmp\nlpcraft\073\apache-nlp{color}{color:#222222}craft\nlpcraft\target\surefire{color}{color:#222222}-reports
 for{color}
{color:#222222}the individual test results.{color}
{color:#222222}[ERROR] Please refer to dump files (if any exist) 
[date].dump,{color}
{color:#222222}[date]-jvmRun[N].dump and [date].dumpstream.{color}
{color:#222222}[ERROR] The forked VM terminated without properly saying 
goodbye. VM crash{color}
{color:#222222}or System.exit called?{color}
{color:#222222}[ERROR] Command was cmd.exe /X /C{color}
{color:#222222}"C:\Progra~1\AdoptOpenJDK\jdk-{color}{color:#222222}11.0.8.10-hotspot\bin\java
 -jar{color}
{color:#222222}"C:\Users\Paul{color}
{color:#222222}King\AppData\Local\Temp\surefi{color}{color:#222222}re7851445059229675487\surefire{color}{color:#222222}booter6212500639838130057.jar"{color}
{color:#222222}"C:\Users\Paul 
King\AppData\Local\Temp\surefi{color}{color:#222222}re7851445059229675487"{color}
{color:#222222}2021-01-18T18-48-51_629-jvmRun{color}{color:#222222}1 
surefire17512347805813647919tm{color}{color:#222222}p{color}
{color:#222222}surefire_0900453059839016198tm{color}{color:#222222}p"{color}
{color:#222222}[ERROR] Process Exit Code: 0{color}
{color:#222222}[ERROR] Crashed tests:{color}
{color:#222222}[ERROR] 
org.apache.nlpcraft.server.res{color}{color:#222222}t.NCRestAskSpec{color}
{color:#222222}[ERROR] 
org.apache.maven.surefire.boot{color}{color:#222222}er.SurefireBooterForkException{color}{color:#222222}:
 The{color}
{color:#222222}forked VM terminated without properly saying goodbye. VM crash 
or{color}
{color:#222222}System.exit called?{color}

{color:#222222}[ERROR] Failed to execute goal{color}
{color:#222222}org.apache.maven.plugins:maven{color}{color:#222222}-surefire-plugin:2.22.1:test{color}
{color:#222222}(integration-tests) on project nlpcraft: There are test 
failures.{color}
{color:#222222}[ERROR]{color}
{color:#222222}[ERROR] Please refer to{color}
{color:#222222}D:\tmp\nlpcraft\073\apache-nlp{color}{color:#222222}craft\nlpcraft\target\surefire{color}{color:#222222}-reports
 for{color}
{color:#222222}the individual test results.{color}
{color:#222222}[ERROR] Please refer to dump files (if any exist) 
[date].dump,{color}
{color:#222222}[date]-jvmRun[N].dump and [date].dumpstream.{color}
{color:#222222}[ERROR] The forked VM terminated without properly saying 
goodbye. VM crash{color}
{color:#222222}or System.exit called?{color}
{color:#222222}[ERROR] Command was cmd.exe /X /C{color}
{color:#222222}"C:\Progra~1\AdoptOpenJDK\jdk-{color}{color:#222222}11.0.8.10-hotspot\bin\java
 -jar{color}
{color:#222222}"C:\Users\Paul{color}
{color:#222222}King\AppData\Local\Temp\surefi{color}{color:#222222}re3495260889293679007\surefire{color}{color:#222222}booter12040527775344534193.{color}{color:#222222}jar"{color}
{color:#222222}"C:\Users\Paul 
King\AppData\Local\Temp\surefi{color}{color:#222222}re3495260889293679007"{color}
{color:#222222}2021-01-18T18-54-27_237-jvmRun{color}{color:#222222}1 
surefire6023894785853744471tmp{color}
{color:#222222}surefire_02137409296786047525t{color}{color:#222222}mp"{color}
{color:#222222}[ERROR] Process Exit Code: 0{color}
{color:#222222}[ERROR] Crashed tests:{color}
{color:#222222}[ERROR] 
org.apache.nlpcraft.probe.mgrs{color}{color:#222222}.nlp.enrichers.sort.NCEnricher{color}{color:#222222}SortSpec{color}
{color:#222222}[ERROR] 
org.apache.maven.surefire.boot{color}{color:#222222}er.SurefireBooterForkException{color}{color:#222222}:
 The{color}
{color:#222222}forked VM terminated without properly saying goodbye. VM crash 
or{color}
{color:#222222}System.exit called?{color}

Latest example with 0.7.4:

{noformat}
[ERROR] Failed to execute goal 
org.apache.maven.plugins:maven-surefire-plugin:2.22.1:test (integration-tests) 
on project nlpcraft: There are test failures.
[ERROR]
[ERROR] Please refer to 
D:\tmp\nlpcraft\074\apache-nlpcraft\nlpcraft\target\surefire-reports for the 
individual test results.
[ERROR] Please refer to dump files (if any exist) [date].dump, 
[date]-jvmRun[N].dump and [date].dumpstream.
[ERROR] The forked VM terminated without properly saying goodbye. VM crash or 
System.exit called?
[ERROR] Command was cmd.exe /X /C 
"C:\Progra~1\AdoptOpenJDK\jdk-11.0.8.10-hotspot\bin\java -jar "C:\Users\Paul 
King\AppData\Local\Temp\surefire5859117010280734854\surefirebooter7065006848197721739.jar"
 "C:\Users\Paul King\AppData\Local\Temp\surefire5859117010280734854" 
2021-01-28T14-51-44_521-jvmRun1 surefire10986047377906380386tmp 
surefire_02218379737656475030tmp"
[ERROR] Process Exit Code: 0
[ERROR] Crashed tests:
[ERROR] org.apache.nlpcraft.server.rest.NCRestAskSpec
[ERROR] org.apache.maven.surefire.booter.SurefireBooterForkException: The 
forked VM terminated without properly saying goodbye. VM crash or System.exit 
called?
[ERROR] Command was cmd.exe /X /C 
"C:\Progra~1\AdoptOpenJDK\jdk-11.0.8.10-hotspot\bin\java -jar "C:\Users\Paul 
King\AppData\Local\Temp\surefire5859117010280734854\surefirebooter7065006848197721739.jar"
 "C:\Users\Paul King\AppData\Local\Temp\surefire5859117010280734854" 
2021-01-28T14-51-44_521-jvmRun1 surefire10986047377906380386tmp 
surefire_02218379737656475030tmp"
[ERROR] Process Exit Code: 0
[ERROR] Crashed tests:
[ERROR] org.apache.nlpcraft.server.rest.NCRestAskSpec
[ERROR]         at 
org.apache.maven.plugin.surefire.booterclient.ForkStarter.fork(ForkStarter.java:669)
[ERROR]         at 
org.apache.maven.plugin.surefire.booterclient.ForkStarter.run(ForkStarter.java:282)
[ERROR]         at 
org.apache.maven.plugin.surefire.booterclient.ForkStarter.run(ForkStarter.java:245)
[ERROR]         at 
org.apache.maven.plugin.surefire.AbstractSurefireMojo.executeProvider(AbstractSurefireMojo.java:1183)
[ERROR]         at 
org.apache.maven.plugin.surefire.AbstractSurefireMojo.executeAfterPreconditionsChecked(AbstractSurefireMojo.java:1011)
[ERROR]         at 
org.apache.maven.plugin.surefire.AbstractSurefireMojo.execute(AbstractSurefireMojo.java:857)
[ERROR]         at 
org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:137)
[ERROR]         at 
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:210)
[ERROR]         at 
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:156)
[ERROR]         at 
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:148)
[ERROR]         at 
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:117)
[ERROR]         at 
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:81)
[ERROR]         at 
org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:56)
[ERROR]         at 
org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:128)
[ERROR]         at 
org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:305)
[ERROR]         at 
org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:192)
[ERROR]         at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:105)
[ERROR]         at org.apache.maven.cli.MavenCli.execute(MavenCli.java:957)
[ERROR]         at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:289)
[ERROR]         at org.apache.maven.cli.MavenCli.main(MavenCli.java:193)
[ERROR]         at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[ERROR]         at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
[ERROR]         at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
[ERROR]         at java.base/java.lang.reflect.Method.invoke(Method.java:566)
[ERROR]         at 
org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:282)
[ERROR]         at 
org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:225)
[ERROR]         at 
org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:406)
[ERROR]         at 
org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:347)
{noformat}

Server log has a few entries like below (might be totally unrelated):
{noformat}
...
Jan-28|14:42:32|ERR| Failed to process selector key 
[ses=GridSelectorNioSessionImpl [worker=DirectNioClientWorker 
[super=AbstractNioClientWorker [idx=0, bytesRcvd=0, bytesSent=0, bytesRcvd0=0, 
bytesSent0=0, select=true, super=GridWorker [name=grid-nio-worker-tcp-comm-0, 
igniteInstanceName=nlpcraft, finished=false, heartbeatTs=1611808951507, 
hashCode=925522753, interrupted=false, 
runner=grid-nio-worker-tcp-comm-0-#31%nlpcraft%]]], 
writeBuf=java.nio.DirectByteBuffer[pos=0 lim=18 cap=32768], 
readBuf=java.nio.DirectByteBuffer[pos=0 lim=32768 cap=32768], inRecovery=null, 
outRecovery=null, closeSocket=true, 
outboundMessagesQueueSizeMetric=o.a.i.i.processors.metric.impl.LongAdderMetric@69a257d1,
 super=GridNioSessionImpl [locAddr=/127.0.0.1:47100, rmtAddr=/127.0.0.1:54174, 
createTime=1611808951317, closeTime=0, bytesSent=0, bytesRcvd=0, bytesSent0=0, 
bytesRcvd0=0, sndSchedTime=1611808951317, lastSndTime=1611808951317, 
lastRcvTime=1611808951317, readsPaused=false, 
filterChain=FilterChain[filters=[GridNioCodecFilter 
[parser=o.a.i.i.util.nio.GridDirectParser@5c2895c8, directMode=true], 
GridConnectionBytesVerifyFilter], accepted=true, markedForClose=false]]]
java.io.IOException: An existing connection was forcibly closed by the remote 
host
        at sun.nio.ch.SocketDispatcher.write0(Native Method) ~[?:?]
        at sun.nio.ch.SocketDispatcher.write(SocketDispatcher.java:51) ~[?:?]
        at sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.java:113) ~[?:?]
        at sun.nio.ch.IOUtil.write(IOUtil.java:58) ~[?:?]
        at sun.nio.ch.IOUtil.write(IOUtil.java:50) ~[?:?]
        at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:466) ~[?:?]
        at 
org.apache.ignite.internal.util.nio.GridNioServer$DirectNioClientWorker.processWrite0(GridNioServer.java:1708)
 ~[apache-nlpcraft-incubating-0.7.4-all-deps.jar:0.7.4]
        at 
org.apache.ignite.internal.util.nio.GridNioServer$DirectNioClientWorker.processWrite(GridNioServer.java:1386)
 ~[apache-nlpcraft-incubating-0.7.4-all-deps.jar:0.7.4]
        at 
org.apache.ignite.internal.util.nio.GridNioServer$AbstractNioClientWorker.processSelectedKeysOptimized(GridNioServer.java:2481)
 [apache-nlpcraft-incubating-0.7.4-all-deps.jar:0.7.4]
        at 
org.apache.ignite.internal.util.nio.GridNioServer$AbstractNioClientWorker.bodyInternal(GridNioServer.java:2243)
 [apache-nlpcraft-incubating-0.7.4-all-deps.jar:0.7.4]
        at 
org.apache.ignite.internal.util.nio.GridNioServer$AbstractNioClientWorker.body(GridNioServer.java:1880)
 [apache-nlpcraft-incubating-0.7.4-all-deps.jar:0.7.4]
        at 
org.apache.ignite.internal.util.worker.GridWorker.run(GridWorker.java:120) 
[apache-nlpcraft-incubating-0.7.4-all-deps.jar:0.7.4]
        at java.lang.Thread.run(Thread.java:834) [?:?]
Jan-28|14:42:32|WRN| Client disconnected abruptly due to network connection 
loss or because the connection was left open on application shutdown. 
[cls=class o.a.i.i.util.nio.GridNioException, msg=An existing connection was 
forcibly closed by the remote host]
...
{noformat}
Dump files (might be totally unrelated):
{noformat}
...
# Created at 2021-01-28T14:51:05.974
System.exit() or native command error interrupted process checker.
java.lang.IllegalStateException: Cannot use PPID 1821040 process information. 
Going to use NOOP events.
        at 
org.apache.maven.surefire.booter.PpidChecker.checkProcessInfo(PpidChecker.java:155)
        at 
org.apache.maven.surefire.booter.PpidChecker.isProcessAlive(PpidChecker.java:116)
        at 
org.apache.maven.surefire.booter.ForkedBooter$2.run(ForkedBooter.java:214)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
        at 
java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305)
        at 
java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base/java.lang.Thread.run(Thread.java:834)


# Created at 2021-01-28T14:52:02.205
Killing self fork JVM. PING timeout elapsed.
...
============8<==============
...
# Created at 2021-01-28T14:51:04.278
TestSet has not finished before stream error has appeared >> initializing exit 
by non-null configuration: null
java.io.EOFException
        at java.base/java.io.DataInputStream.readInt(DataInputStream.java:397)
        at 
org.apache.maven.surefire.booter.MasterProcessCommand.decode(MasterProcessCommand.java:115)
        at 
org.apache.maven.surefire.booter.CommandReader$CommandRunnable.run(CommandReader.java:391)
        at java.base/java.lang.Thread.run(Thread.java:834)


# Created at 2021-01-28T14:51:08.582
Unexpected IOException with stream: Jan.-28|14:51:08|INF| NCService - 
(NCService.scala:147) - NCDialogFlowManager stopped.
...
{noformat}
Winver:
{noformat}
Version 20H2 (OS Build 19042.685)
{noformat}
Java version: 
{noformat}
openjdk version "11.0.8" 2020-07-14
OpenJDK Runtime Environment AdoptOpenJDK (build 11.0.8+10)
OpenJDK 64-Bit Server VM AdoptOpenJDK (build 11.0.8+10, mixed mode)
{noformat}
Path:
{noformat}
PATH=C:\devtools\apache-maven-3.6.3\bin;C:\Progra~1\AdoptOpenJDK\jdk-11.0.8.10-hotspot\bin;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\system32\Wbem;c:\devtools
{noformat}



> Test failure on Windows.
> ------------------------
>
>                 Key: NLPCRAFT-76
>                 URL: https://issues.apache.org/jira/browse/NLPCRAFT-76
>             Project: NLPCraft
>          Issue Type: Bug
>          Components: test
>    Affects Versions: 0.6.2
>            Reporter: Paul King
>            Assignee: Aaron Radzinski
>            Priority: Major
>             Fix For: 0.7.5
>
>
> {color:#222222}[ERROR] Failed to execute goal{color}
> {color:#222222}org.apache.maven.plugins:maven{color}{color:#222222}-surefire-plugin:2.22.1:test{color}
> {color:#222222}(integration-tests) on project nlpcraft: There are test 
> failures.{color}
> {color:#222222}[ERROR]{color}
> {color:#222222}[ERROR] Please refer to{color}
> {color:#222222}D:\tmp\nlpcraft\073\apache-nlp{color}{color:#222222}craft\nlpcraft\target\surefire{color}{color:#222222}-reports
>  for{color}
> {color:#222222}the individual test results.{color}
> {color:#222222}[ERROR] Please refer to dump files (if any exist) 
> [date].dump,{color}
> {color:#222222}[date]-jvmRun[N].dump and [date].dumpstream.{color}
> {color:#222222}[ERROR] The forked VM terminated without properly saying 
> goodbye. VM crash{color}
> {color:#222222}or System.exit called?{color}
> {color:#222222}[ERROR] Command was cmd.exe /X /C{color}
> {color:#222222}"C:\Progra~1\AdoptOpenJDK\jdk-{color}{color:#222222}11.0.8.10-hotspot\bin\java
>  -jar{color}
> {color:#222222}"C:\Users\Paul{color}
> {color:#222222}King\AppData\Local\Temp\surefi{color}{color:#222222}re7851445059229675487\surefire{color}{color:#222222}booter6212500639838130057.jar"{color}
> {color:#222222}"C:\Users\Paul 
> King\AppData\Local\Temp\surefi{color}{color:#222222}re7851445059229675487"{color}
> {color:#222222}2021-01-18T18-48-51_629-jvmRun{color}{color:#222222}1 
> surefire17512347805813647919tm{color}{color:#222222}p{color}
> {color:#222222}surefire_0900453059839016198tm{color}{color:#222222}p"{color}
> {color:#222222}[ERROR] Process Exit Code: 0{color}
> {color:#222222}[ERROR] Crashed tests:{color}
> {color:#222222}[ERROR] 
> org.apache.nlpcraft.server.res{color}{color:#222222}t.NCRestAskSpec{color}
> {color:#222222}[ERROR] 
> org.apache.maven.surefire.boot{color}{color:#222222}er.SurefireBooterForkException{color}{color:#222222}:
>  The{color}
> {color:#222222}forked VM terminated without properly saying goodbye. VM crash 
> or{color}
> {color:#222222}System.exit called?{color}
> {color:#222222}[ERROR] Failed to execute goal{color}
> {color:#222222}org.apache.maven.plugins:maven{color}{color:#222222}-surefire-plugin:2.22.1:test{color}
> {color:#222222}(integration-tests) on project nlpcraft: There are test 
> failures.{color}
> {color:#222222}[ERROR]{color}
> {color:#222222}[ERROR] Please refer to{color}
> {color:#222222}D:\tmp\nlpcraft\073\apache-nlp{color}{color:#222222}craft\nlpcraft\target\surefire{color}{color:#222222}-reports
>  for{color}
> {color:#222222}the individual test results.{color}
> {color:#222222}[ERROR] Please refer to dump files (if any exist) 
> [date].dump,{color}
> {color:#222222}[date]-jvmRun[N].dump and [date].dumpstream.{color}
> {color:#222222}[ERROR] The forked VM terminated without properly saying 
> goodbye. VM crash{color}
> {color:#222222}or System.exit called?{color}
> {color:#222222}[ERROR] Command was cmd.exe /X /C{color}
> {color:#222222}"C:\Progra~1\AdoptOpenJDK\jdk-{color}{color:#222222}11.0.8.10-hotspot\bin\java
>  -jar{color}
> {color:#222222}"C:\Users\Paul{color}
> {color:#222222}King\AppData\Local\Temp\surefi{color}{color:#222222}re3495260889293679007\surefire{color}{color:#222222}booter12040527775344534193.{color}{color:#222222}jar"{color}
> {color:#222222}"C:\Users\Paul 
> King\AppData\Local\Temp\surefi{color}{color:#222222}re3495260889293679007"{color}
> {color:#222222}2021-01-18T18-54-27_237-jvmRun{color}{color:#222222}1 
> surefire6023894785853744471tmp{color}
> {color:#222222}surefire_02137409296786047525t{color}{color:#222222}mp"{color}
> {color:#222222}[ERROR] Process Exit Code: 0{color}
> {color:#222222}[ERROR] Crashed tests:{color}
> {color:#222222}[ERROR] 
> org.apache.nlpcraft.probe.mgrs{color}{color:#222222}.nlp.enrichers.sort.NCEnricher{color}{color:#222222}SortSpec{color}
> {color:#222222}[ERROR] 
> org.apache.maven.surefire.boot{color}{color:#222222}er.SurefireBooterForkException{color}{color:#222222}:
>  The{color}
> {color:#222222}forked VM terminated without properly saying goodbye. VM crash 
> or{color}
> {color:#222222}System.exit called?{color}
> Latest example with 0.7.4:
> {noformat}
> [ERROR] Failed to execute goal 
> org.apache.maven.plugins:maven-surefire-plugin:2.22.1:test 
> (integration-tests) on project nlpcraft: There are test failures.
> [ERROR]
> [ERROR] Please refer to 
> D:\tmp\nlpcraft\074\apache-nlpcraft\nlpcraft\target\surefire-reports for the 
> individual test results.
> [ERROR] Please refer to dump files (if any exist) [date].dump, 
> [date]-jvmRun[N].dump and [date].dumpstream.
> [ERROR] The forked VM terminated without properly saying goodbye. VM crash or 
> System.exit called?
> [ERROR] Command was cmd.exe /X /C 
> "C:\Progra~1\AdoptOpenJDK\jdk-11.0.8.10-hotspot\bin\java -jar "C:\Users\Paul 
> King\AppData\Local\Temp\surefire5859117010280734854\surefirebooter7065006848197721739.jar"
>  "C:\Users\Paul King\AppData\Local\Temp\surefire5859117010280734854" 
> 2021-01-28T14-51-44_521-jvmRun1 surefire10986047377906380386tmp 
> surefire_02218379737656475030tmp"
> [ERROR] Process Exit Code: 0
> [ERROR] Crashed tests:
> [ERROR] org.apache.nlpcraft.server.rest.NCRestAskSpec
> [ERROR] org.apache.maven.surefire.booter.SurefireBooterForkException: The 
> forked VM terminated without properly saying goodbye. VM crash or System.exit 
> called?
> [ERROR] Command was cmd.exe /X /C 
> "C:\Progra~1\AdoptOpenJDK\jdk-11.0.8.10-hotspot\bin\java -jar "C:\Users\Paul 
> King\AppData\Local\Temp\surefire5859117010280734854\surefirebooter7065006848197721739.jar"
>  "C:\Users\Paul King\AppData\Local\Temp\surefire5859117010280734854" 
> 2021-01-28T14-51-44_521-jvmRun1 surefire10986047377906380386tmp 
> surefire_02218379737656475030tmp"
> [ERROR] Process Exit Code: 0
> [ERROR] Crashed tests:
> [ERROR] org.apache.nlpcraft.server.rest.NCRestAskSpec
> [ERROR]         at 
> org.apache.maven.plugin.surefire.booterclient.ForkStarter.fork(ForkStarter.java:669)
> [ERROR]         at 
> org.apache.maven.plugin.surefire.booterclient.ForkStarter.run(ForkStarter.java:282)
> [ERROR]         at 
> org.apache.maven.plugin.surefire.booterclient.ForkStarter.run(ForkStarter.java:245)
> [ERROR]         at 
> org.apache.maven.plugin.surefire.AbstractSurefireMojo.executeProvider(AbstractSurefireMojo.java:1183)
> [ERROR]         at 
> org.apache.maven.plugin.surefire.AbstractSurefireMojo.executeAfterPreconditionsChecked(AbstractSurefireMojo.java:1011)
> [ERROR]         at 
> org.apache.maven.plugin.surefire.AbstractSurefireMojo.execute(AbstractSurefireMojo.java:857)
> [ERROR]         at 
> org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:137)
> [ERROR]         at 
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:210)
> [ERROR]         at 
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:156)
> [ERROR]         at 
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:148)
> [ERROR]         at 
> org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:117)
> [ERROR]         at 
> org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:81)
> [ERROR]         at 
> org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:56)
> [ERROR]         at 
> org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:128)
> [ERROR]         at 
> org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:305)
> [ERROR]         at 
> org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:192)
> [ERROR]         at 
> org.apache.maven.DefaultMaven.execute(DefaultMaven.java:105)
> [ERROR]         at org.apache.maven.cli.MavenCli.execute(MavenCli.java:957)
> [ERROR]         at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:289)
> [ERROR]         at org.apache.maven.cli.MavenCli.main(MavenCli.java:193)
> [ERROR]         at 
> java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> [ERROR]         at 
> java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> [ERROR]         at 
> java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> [ERROR]         at java.base/java.lang.reflect.Method.invoke(Method.java:566)
> [ERROR]         at 
> org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:282)
> [ERROR]         at 
> org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:225)
> [ERROR]         at 
> org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:406)
> [ERROR]         at 
> org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:347)
> {noformat}
> Server log has a few entries like below (might be totally unrelated):
> {noformat}
> ...
> Jan-28|14:42:32|ERR| Failed to process selector key 
> [ses=GridSelectorNioSessionImpl [worker=DirectNioClientWorker 
> [super=AbstractNioClientWorker [idx=0, bytesRcvd=0, bytesSent=0, 
> bytesRcvd0=0, bytesSent0=0, select=true, super=GridWorker 
> [name=grid-nio-worker-tcp-comm-0, igniteInstanceName=nlpcraft, 
> finished=false, heartbeatTs=1611808951507, hashCode=925522753, 
> interrupted=false, runner=grid-nio-worker-tcp-comm-0-#31%nlpcraft%]]], 
> writeBuf=java.nio.DirectByteBuffer[pos=0 lim=18 cap=32768], 
> readBuf=java.nio.DirectByteBuffer[pos=0 lim=32768 cap=32768], 
> inRecovery=null, outRecovery=null, closeSocket=true, 
> outboundMessagesQueueSizeMetric=o.a.i.i.processors.metric.impl.LongAdderMetric@69a257d1,
>  super=GridNioSessionImpl [locAddr=/127.0.0.1:47100, 
> rmtAddr=/127.0.0.1:54174, createTime=1611808951317, closeTime=0, bytesSent=0, 
> bytesRcvd=0, bytesSent0=0, bytesRcvd0=0, sndSchedTime=1611808951317, 
> lastSndTime=1611808951317, lastRcvTime=1611808951317, readsPaused=false, 
> filterChain=FilterChain[filters=[GridNioCodecFilter 
> [parser=o.a.i.i.util.nio.GridDirectParser@5c2895c8, directMode=true], 
> GridConnectionBytesVerifyFilter], accepted=true, markedForClose=false]]]
> java.io.IOException: An existing connection was forcibly closed by the remote 
> host
>       at sun.nio.ch.SocketDispatcher.write0(Native Method) ~[?:?]
>       at sun.nio.ch.SocketDispatcher.write(SocketDispatcher.java:51) ~[?:?]
>       at sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.java:113) ~[?:?]
>       at sun.nio.ch.IOUtil.write(IOUtil.java:58) ~[?:?]
>       at sun.nio.ch.IOUtil.write(IOUtil.java:50) ~[?:?]
>       at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:466) ~[?:?]
>       at 
> org.apache.ignite.internal.util.nio.GridNioServer$DirectNioClientWorker.processWrite0(GridNioServer.java:1708)
>  ~[apache-nlpcraft-incubating-0.7.4-all-deps.jar:0.7.4]
>       at 
> org.apache.ignite.internal.util.nio.GridNioServer$DirectNioClientWorker.processWrite(GridNioServer.java:1386)
>  ~[apache-nlpcraft-incubating-0.7.4-all-deps.jar:0.7.4]
>       at 
> org.apache.ignite.internal.util.nio.GridNioServer$AbstractNioClientWorker.processSelectedKeysOptimized(GridNioServer.java:2481)
>  [apache-nlpcraft-incubating-0.7.4-all-deps.jar:0.7.4]
>       at 
> org.apache.ignite.internal.util.nio.GridNioServer$AbstractNioClientWorker.bodyInternal(GridNioServer.java:2243)
>  [apache-nlpcraft-incubating-0.7.4-all-deps.jar:0.7.4]
>       at 
> org.apache.ignite.internal.util.nio.GridNioServer$AbstractNioClientWorker.body(GridNioServer.java:1880)
>  [apache-nlpcraft-incubating-0.7.4-all-deps.jar:0.7.4]
>       at 
> org.apache.ignite.internal.util.worker.GridWorker.run(GridWorker.java:120) 
> [apache-nlpcraft-incubating-0.7.4-all-deps.jar:0.7.4]
>       at java.lang.Thread.run(Thread.java:834) [?:?]
> Jan-28|14:42:32|WRN| Client disconnected abruptly due to network connection 
> loss or because the connection was left open on application shutdown. 
> [cls=class o.a.i.i.util.nio.GridNioException, msg=An existing connection was 
> forcibly closed by the remote host]
> ...
> {noformat}
> Dump files (might be totally unrelated):
> {noformat}
> ...
> # Created at 2021-01-28T14:51:05.974
> System.exit() or native command error interrupted process checker.
> java.lang.IllegalStateException: Cannot use PPID 1821040 process information. 
> Going to use NOOP events.
>       at 
> org.apache.maven.surefire.booter.PpidChecker.checkProcessInfo(PpidChecker.java:155)
>       at 
> org.apache.maven.surefire.booter.PpidChecker.isProcessAlive(PpidChecker.java:116)
>       at 
> org.apache.maven.surefire.booter.ForkedBooter$2.run(ForkedBooter.java:214)
>       at 
> java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
>       at 
> java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305)
>       at 
> java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)
>       at 
> java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
>       at 
> java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
>       at java.base/java.lang.Thread.run(Thread.java:834)
> # Created at 2021-01-28T14:52:02.205
> Killing self fork JVM. PING timeout elapsed.
> ...
> ============8<==============
> ...
> # Created at 2021-01-28T14:51:04.278
> TestSet has not finished before stream error has appeared >> initializing 
> exit by non-null configuration: null
> java.io.EOFException
>       at java.base/java.io.DataInputStream.readInt(DataInputStream.java:397)
>       at 
> org.apache.maven.surefire.booter.MasterProcessCommand.decode(MasterProcessCommand.java:115)
>       at 
> org.apache.maven.surefire.booter.CommandReader$CommandRunnable.run(CommandReader.java:391)
>       at java.base/java.lang.Thread.run(Thread.java:834)
> # Created at 2021-01-28T14:51:08.582
> Unexpected IOException with stream: Jan.-28|14:51:08|INF| NCService - 
> (NCService.scala:147) - NCDialogFlowManager stopped.
> ...
> {noformat}
> Winver:
> {noformat}
> Version 20H2 (OS Build 19042.685)
> {noformat}
> Java version: 
> {noformat}
> openjdk version "11.0.8" 2020-07-14
> OpenJDK Runtime Environment AdoptOpenJDK (build 11.0.8+10)
> OpenJDK 64-Bit Server VM AdoptOpenJDK (build 11.0.8+10, mixed mode)
> {noformat}
> ENV:
> {noformat}
> PATH=C:\devtools\apache-maven-3.6.3\bin;C:\Progra~1\AdoptOpenJDK\jdk-11.0.8.10-hotspot\bin;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\system32\Wbem;c:\devtools
> JAVA_HOME=C:\Progra~1\AdoptOpenJDK\jdk-11.0.8.10-hotspot
> M2_HOME=C:\devtools\apache-maven-3.6.3
> {noformat}



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