DomGarguilo opened a new issue #161: URL: https://github.com/apache/accumulo-testing/issues/161
YieldingScanExecutorPT fails to complete with the following output: <details open> <summary>Shell output</summary> ``` at org.apache.accumulo.testing.performance.util.TestExecutor.lambda$stream$0(TestExecutor.java:52) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1655) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.LongPipeline.collect(LongPipeline.java:491) at java.base/java.util.stream.LongPipeline.summaryStatistics(LongPipeline.java:468) at org.apache.accumulo.testing.performance.tests.YieldingScanExecutorPT.runShortScans(YieldingScanExecutorPT.java:215) at org.apache.accumulo.testing.performance.tests.YieldingScanExecutorPT.runTest(YieldingScanExecutorPT.java:114) at org.apache.accumulo.testing.performance.impl.PerfTestRunner.main(PerfTestRunner.java:51) Caused by: java.util.concurrent.ExecutionException: java.lang.RuntimeException: org.apache.accumulo.core.clientImpl.AccumuloServerException: Error on server thor:9997 at java.base/java.util.concurrent.FutureTask.report(FutureTask.java:122) at java.base/java.util.concurrent.FutureTask.get(FutureTask.java:191) at org.apache.accumulo.testing.performance.util.TestExecutor.lambda$stream$0(TestExecutor.java:50) ... 11 more Caused by: java.lang.RuntimeException: org.apache.accumulo.core.clientImpl.AccumuloServerException: Error on server thor:9997 at org.apache.accumulo.core.clientImpl.ScannerIterator.getNextBatch(ScannerIterator.java:185) at org.apache.accumulo.core.clientImpl.ScannerIterator.hasNext(ScannerIterator.java:110) at com.google.common.collect.Iterators.size(Iterators.java:163) at com.google.common.collect.Iterables.size(Iterables.java:126) at org.apache.accumulo.testing.performance.tests.YieldingScanExecutorPT.scan(YieldingScanExecutorPT.java:170) at org.apache.accumulo.testing.performance.tests.YieldingScanExecutorPT.lambda$runShortScans$1(YieldingScanExecutorPT.java:212) at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) at java.base/java.lang.Thread.run(Thread.java:829) Caused by: org.apache.accumulo.core.clientImpl.AccumuloServerException: Error on server thor:9997 at org.apache.accumulo.core.clientImpl.ThriftScanner.scan(ThriftScanner.java:324) at org.apache.accumulo.core.clientImpl.ScannerIterator.readBatch(ScannerIterator.java:156) at org.apache.accumulo.core.clientImpl.ScannerIterator.getNextBatch(ScannerIterator.java:174) ... 9 more Caused by: org.apache.thrift.TApplicationException: Internal error processing startScan at org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:79) at org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Client.recv_startScan(TabletClientService.java:249) at org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Client.startScan(TabletClientService.java:221) at org.apache.accumulo.core.clientImpl.ThriftScanner.scan(ThriftScanner.java:453) at org.apache.accumulo.core.clientImpl.ThriftScanner.scan(ThriftScanner.java:317) ``` </details> <details open> <summary>Server logs</summary> ``` java.lang.NullPointerException at org.apache.accumulo.server.conf.TableConfiguration.createScanDispatcher(TableConfiguration.java:215) at org.apache.accumulo.server.conf.TableConfiguration.lambda$new$1(TableConfiguration.java:82) at org.apache.accumulo.core.conf.AccumuloConfiguration$DeriverImpl.derive(AccumuloConfiguration.java:482) at org.apache.accumulo.server.conf.TableConfiguration.getScanDispatcher(TableConfiguration.java:270) at org.apache.accumulo.tserver.ThriftClientHandler.getScanDispatcher(ThriftClientHandler.java:272) at org.apache.accumulo.tserver.ThriftClientHandler.continueScan(ThriftClientHandler.java:378) at org.apache.accumulo.tserver.ThriftClientHandler.startScan(ThriftClientHandler.java:342) at jdk.internal.reflect.GeneratedMethodAccessor7.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.apache.accumulo.core.trace.TraceUtil.lambda$wrapService$6(TraceUtil.java:235) at com.sun.proxy.$Proxy38.startScan(Unknown Source) at org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Processor$startScan.getResult(TabletClientService.java:2944) at org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Processor$startScan.getResult(TabletClientService.java:2923) at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:38) at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:38) at org.apache.accumulo.server.rpc.TimedProcessor.process(TimedProcessor.java:63) at org.apache.thrift.server.AbstractNonblockingServer$FrameBuffer.invoke(AbstractNonblockingServer.java:524) at org.apache.accumulo.server.rpc.CustomNonBlockingServer$CustomFrameBuffer.invoke(CustomNonBlockingServer.java:114) at org.apache.thrift.server.Invocation.run(Invocation.java:18) 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:829) java.lang.ClassNotFoundException: org.apache.accumulo.testing.performance.tests.TimedScanDispatcher at java.base/java.net.URLClassLoader.findClass(URLClassLoader.java:471) at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:589) at org.apache.accumulo.start.classloader.AccumuloClassLoader$1.loadClass(AccumuloClassLoader.java:213) at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:522) at org.apache.accumulo.core.classloader.ClassLoaderUtil.loadClass(ClassLoaderUtil.java:85) at org.apache.accumulo.core.conf.ConfigurationTypeHelper.getClassInstance(ConfigurationTypeHelper.java:203) at org.apache.accumulo.core.conf.ConfigurationTypeHelper.getClassInstance(ConfigurationTypeHelper.java:176) at org.apache.accumulo.core.conf.Property.createTableInstanceFromPropertyName(Property.java:1747) at org.apache.accumulo.server.conf.TableConfiguration.createScanDispatcher(TableConfiguration.java:209) at org.apache.accumulo.server.conf.TableConfiguration.lambda$new$1(TableConfiguration.java:82) at org.apache.accumulo.core.conf.AccumuloConfiguration$DeriverImpl.derive(AccumuloConfiguration.java:482) at org.apache.accumulo.server.conf.TableConfiguration.getScanDispatcher(TableConfiguration.java:270) at org.apache.accumulo.tserver.ThriftClientHandler.getScanDispatcher(ThriftClientHandler.java:272) at org.apache.accumulo.tserver.ThriftClientHandler.continueScan(ThriftClientHandler.java:378) at org.apache.accumulo.tserver.ThriftClientHandler.startScan(ThriftClientHandler.java:342) at jdk.internal.reflect.GeneratedMethodAccessor7.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.apache.accumulo.core.trace.TraceUtil.lambda$wrapService$6(TraceUtil.java:235) at com.sun.proxy.$Proxy38.startScan(Unknown Source) at org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Processor$startScan.getResult(TabletClientService.java:2944) at org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Processor$startScan.getResult(TabletClientService.java:2923) at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:38) at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:38) at org.apache.accumulo.server.rpc.TimedProcessor.process(TimedProcessor.java:63) at org.apache.thrift.server.AbstractNonblockingServer$FrameBuffer.invoke(AbstractNonblockingServer.java:524) at org.apache.accumulo.server.rpc.CustomNonBlockingServer$CustomFrameBuffer.invoke(CustomNonBlockingServer.java:114) at org.apache.thrift.server.Invocation.run(Invocation.java:18) 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:829) 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