java.sql.SQLDataException: VM error: F-UDF-CL-LIB-1127: F-UDF-CL-SL-JAVA-1002: F-UDF-CL-SL-JAVA-1013: 
com.exasol.ExaUDFException: F-UDF-CL-SL-JAVA-1080: Exception during run 
alluxio.exception.status.UnavailableException: Failed to connect to master (GrpcServerAddress{HostName=172.18.0.3, SocketAddress=172.18.0.3:19998}) after 44 attempts.Please check if Alluxio master is currently running on "GrpcServerAddress{HostName=172.18.0.3, SocketAddress=172.18.0.3:19998}". Service="FileSystemMasterClient"
alluxio.AbstractClient.connect(AbstractClient.java:321)
alluxio.client.file.BaseFileSystem.rpc(BaseFileSystem.java:635)
alluxio.client.file.BaseFileSystem.createFile(BaseFileSystem.java:174)
alluxio.hadoop.AbstractFileSystem.create(AbstractFileSystem.java:181)
org.apache.hadoop.fs.FileSystem.create(FileSystem.java:1233)
org.apache.hadoop.fs.FileSystem.create(FileSystem.java:1210)
org.apache.parquet.hadoop.util.HadoopOutputFile.create(HadoopOutputFile.java:74)
org.apache.parquet.hadoop.ParquetFileWriter.<init>(ParquetFileWriter.java:347)
org.apache.parquet.hadoop.ParquetFileWriter.<init>(ParquetFileWriter.java:314)
org.apache.parquet.hadoop.ParquetWriter.<init>(ParquetWriter.java:292)
org.apache.parquet.hadoop.ParquetWriter$Builder.build(ParquetWriter.java:680)
com.exasol.cloudetl.parquet.ParquetRowWriter$.apply(ParquetRowWriter.scala:37)
com.exasol.cloudetl.sink.BatchSizedSink$$anon$1.<init>(BatchSizedSink.scala:54)
com.exasol.cloudetl.sink.BatchSizedSink.createWriter(BatchSizedSink.scala:51)
com.exasol.cloudetl.sink.BatchSizedSink.openNewFile(BatchSizedSink.scala:106)
com.exasol.cloudetl.sink.BatchSizedSink.write(BatchSizedSink.scala:75)
com.exasol.cloudetl.scriptclasses.TableDataExporter$.runExport(TableDataExporter.scala:53)
com.exasol.cloudetl.scriptclasses.TableDataExporter$.run(TableDataExporter.scala:36)
com.exasol.cloudetl.scriptclasses.TableDataExporter.run(TableDataExporter.scala)
com.exasol.ExaWrapper.run(ExaWrapper.java:197)
Caused by: alluxio.exception.status.UnavailableException: Failed to handshake with master 172.18.0.3:19998 to load cluster default configuration values: UNKNOWN
alluxio.conf.Configuration.loadConfiguration(Configuration.java:458)
alluxio.ClientContext.loadConf(ClientContext.java:123)
alluxio.ClientContext.loadConfIfNotLoaded(ClientContext.java:147)
alluxio.AbstractClient.beforeConnect(AbstractClient.java:201)
alluxio.AbstractMasterClient.beforeConnect(AbstractMasterClient.java:94)
alluxio.AbstractClient.connect(AbstractClient.java:265)
	... 19 more
Caused by: io.grpc.StatusRuntimeException: UNKNOWN
io.grpc.stub.ClientCalls.toStatusRuntimeException(ClientCalls.java:271)
io.grpc.stub.ClientCalls.getUnchecked(ClientCalls.java:252)
io.grpc.stub.ClientCalls.blockingUnaryCall(ClientCalls.java:165)
alluxio.grpc.MetaMasterConfigurationServiceGrpc$MetaMasterConfigurationServiceBlockingStub.getConfiguration(MetaMasterConfigurationServiceGrpc.java:405)
alluxio.conf.Configuration.loadConfiguration(Configuration.java:452)
	... 24 more
Caused by: java.lang.NoClassDefFoundError: Could not initialize class io.netty.channel.unix.Errors
io.netty.channel.unix.Socket.connect(Socket.java:351)
io.netty.channel.epoll.AbstractEpollChannel.doConnect0(AbstractEpollChannel.java:773)
io.netty.channel.epoll.EpollSocketChannel.doConnect0(EpollSocketChannel.java:144)
io.netty.channel.epoll.AbstractEpollChannel.doConnect(AbstractEpollChannel.java:758)
io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe.connect(AbstractEpollChannel.java:600)
io.netty.channel.DefaultChannelPipeline$HeadContext.connect(DefaultChannelPipeline.java:1342)
io.netty.channel.AbstractChannelHandlerContext.invokeConnect(AbstractChannelHandlerContext.java:653)
io.netty.channel.AbstractChannelHandlerContext.connect(AbstractChannelHandlerContext.java:632)
io.netty.channel.ChannelDuplexHandler.connect(ChannelDuplexHandler.java:54)
io.grpc.netty.WriteBufferingAndExceptionHandler.connect(WriteBufferingAndExceptionHandler.java:157)
io.netty.channel.AbstractChannelHandlerContext.invokeConnect(AbstractChannelHandlerContext.java:655)
io.netty.channel.AbstractChannelHandlerContext.access$1000(AbstractChannelHandlerContext.java:61)
io.netty.channel.AbstractChannelHandlerContext$9.run(AbstractChannelHandlerContext.java:637)
io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:406)
io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
java.base/java.lang.Thread.run(Thread.java:829)
 (Session: 1773761757961715712)
      at com.exasol.jdbc.ExceptionFactory.createSQLException(ExceptionFactory.java:33)
      at com.exasol.jdbc.EXASQLException.getSQLExceptionIntern(EXASQLException.java:50)
      at com.exasol.jdbc.AbstractEXAStatement.execute(AbstractEXAStatement.java:478)
      at com.exasol.jdbc.EXAStatement.execute(EXAStatement.java:289)
      at com.exasol.cloudetl.BaseIntegrationTest.executeStmt(BaseIntegrationTest.scala:52)
      at com.exasol.cloudetl.BaseIntegrationTest.executeStmt$(BaseIntegrationTest.scala:51)
      at com.exasol.cloudetl.alluxio.AlluxioExportImportIT.executeStmt(AlluxioExportImportIT.scala:13)
      at com.exasol.cloudetl.alluxio.AlluxioExportImportIT.exportIntoAlluxio(AlluxioExportImportIT.scala:110)
      at com.exasol.cloudetl.alluxio.AlluxioExportImportIT.$anonfun$new$1(AlluxioExportImportIT.scala:64)
      at scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.scala:18)
      at org.scalatest.OutcomeOf.outcomeOf(OutcomeOf.scala:85)
      at org.scalatest.OutcomeOf.outcomeOf$(OutcomeOf.scala:83)
      at org.scalatest.OutcomeOf$.outcomeOf(OutcomeOf.scala:104)
      at org.scalatest.Transformer.apply(Transformer.scala:22)
      at org.scalatest.Transformer.apply(Transformer.scala:20)
      at org.scalatest.funsuite.AnyFunSuiteLike$$anon$1.apply(AnyFunSuiteLike.scala:226)
      at org.scalatest.TestSuite.withFixture(TestSuite.scala:196)
      at org.scalatest.TestSuite.withFixture$(TestSuite.scala:195)
      at org.scalatest.funsuite.AnyFunSuite.withFixture(AnyFunSuite.scala:1564)
      at org.scalatest.funsuite.AnyFunSuiteLike.invokeWithFixture$1(AnyFunSuiteLike.scala:224)
      at org.scalatest.funsuite.AnyFunSuiteLike.$anonfun$runTest$1(AnyFunSuiteLike.scala:236)
      at org.scalatest.SuperEngine.runTestImpl(Engine.scala:306)
      at org.scalatest.funsuite.AnyFunSuiteLike.runTest(AnyFunSuiteLike.scala:236)
      at org.scalatest.funsuite.AnyFunSuiteLike.runTest$(AnyFunSuiteLike.scala:218)
      at org.scalatest.funsuite.AnyFunSuite.runTest(AnyFunSuite.scala:1564)
      at org.scalatest.funsuite.AnyFunSuiteLike.$anonfun$runTests$1(AnyFunSuiteLike.scala:269)
      at org.scalatest.SuperEngine.$anonfun$runTestsInBranch$1(Engine.scala:413)
      at scala.collection.immutable.List.foreach(List.scala:333)
      at org.scalatest.SuperEngine.traverseSubNodes$1(Engine.scala:401)
      at org.scalatest.SuperEngine.runTestsInBranch(Engine.scala:396)
      at org.scalatest.SuperEngine.runTestsImpl(Engine.scala:475)
      at org.scalatest.funsuite.AnyFunSuiteLike.runTests(AnyFunSuiteLike.scala:269)
      at org.scalatest.funsuite.AnyFunSuiteLike.runTests$(AnyFunSuiteLike.scala:268)
      at org.scalatest.funsuite.AnyFunSuite.runTests(AnyFunSuite.scala:1564)
      at org.scalatest.Suite.run(Suite.scala:1114)
      at org.scalatest.Suite.run$(Suite.scala:1096)
      at org.scalatest.funsuite.AnyFunSuite.org$scalatest$funsuite$AnyFunSuiteLike$$super$run(AnyFunSuite.scala:1564)
      at org.scalatest.funsuite.AnyFunSuiteLike.$anonfun$run$1(AnyFunSuiteLike.scala:273)
      at org.scalatest.SuperEngine.runImpl(Engine.scala:535)
      at org.scalatest.funsuite.AnyFunSuiteLike.run(AnyFunSuiteLike.scala:273)
      at org.scalatest.funsuite.AnyFunSuiteLike.run$(AnyFunSuiteLike.scala:272)
      at com.exasol.cloudetl.alluxio.AlluxioExportImportIT.org$scalatest$BeforeAndAfterAll$$super$run(AlluxioExportImportIT.scala:13)
      at org.scalatest.BeforeAndAfterAll.liftedTree1$1(BeforeAndAfterAll.scala:213)
      at org.scalatest.BeforeAndAfterAll.run(BeforeAndAfterAll.scala:210)
      at org.scalatest.BeforeAndAfterAll.run$(BeforeAndAfterAll.scala:208)
      at com.exasol.cloudetl.alluxio.AlluxioExportImportIT.run(AlluxioExportImportIT.scala:13)
      at org.scalatest.Suite.callExecuteOnSuite$1(Suite.scala:1178)
      at org.scalatest.Suite.$anonfun$runNestedSuites$1(Suite.scala:1225)
      at scala.collection.ArrayOps$.foreach$extension(ArrayOps.scala:1323)
      at org.scalatest.Suite.runNestedSuites(Suite.scala:1223)
      at org.scalatest.Suite.runNestedSuites$(Suite.scala:1156)
      at org.scalatest.tools.DiscoverySuite.runNestedSuites(DiscoverySuite.scala:30)
      at org.scalatest.Suite.run(Suite.scala:1111)
      at org.scalatest.Suite.run$(Suite.scala:1096)
      at org.scalatest.tools.DiscoverySuite.run(DiscoverySuite.scala:30)
      at org.scalatest.tools.SuiteRunner.run(SuiteRunner.scala:47)
      at org.scalatest.tools.Runner$.$anonfun$doRunRunRunDaDoRunRun$13(Runner.scala:1321)
      at org.scalatest.tools.Runner$.$anonfun$doRunRunRunDaDoRunRun$13$adapted(Runner.scala:1315)
      at scala.collection.immutable.List.foreach(List.scala:333)
      at org.scalatest.tools.Runner$.doRunRunRunDaDoRunRun(Runner.scala:1315)
      at org.scalatest.tools.Runner$.$anonfun$runOptionallyWithPassFailReporter$24(Runner.scala:992)
      at org.scalatest.tools.Runner$.$anonfun$runOptionallyWithPassFailReporter$24$adapted(Runner.scala:970)
      at org.scalatest.tools.Runner$.withClassLoaderAndDispatchReporter(Runner.scala:1481)
      at org.scalatest.tools.Runner$.runOptionallyWithPassFailReporter(Runner.scala:970)
      at org.scalatest.tools.Runner$.main(Runner.scala:775)
      at org.scalatest.tools.Runner.main(Runner.scala)