我们在运行集成测试（使用嵌入式Gemfire服务器）时发现了一个奇怪的错误。重试失败的测试会自行修复。
是否缺少导致此问题的配置/设置？
Gemfire 8.1.0
java.lang.AssertionError: null
at com.gemstone.gemfire.internal.cache.ha.ThreadIdentifier$Bits.shift(ThreadIdentifier.java:119)
at com.gemstone.gemfire.internal.cache.ha.ThreadIdentifier$WanType.generateWanId(ThreadIdentifier.java:67)
at com.gemstone.gemfire.internal.cache.ha.ThreadIdentifier.createFakeThreadIDForParallelGSPrimaryBucket(ThreadIdentifier.java:281)
at com.gemstone.gemfire.internal.cache.wan.serial.SerialGatewaySenderImpl.setModifiedEventId(SerialGatewaySenderImpl.java:251)
at com.gemstone.gemfire.internal.cache.wan.AbstractGatewaySender.distribute(AbstractGatewaySender.java:917)
at com.gemstone.gemfire.internal.cache.LocalRegion.notifyGatewayHubs(LocalRegion.java:6429)
at com.gemstone.gemfire.internal.cache.LocalRegion.basicPutPart2(LocalRegion.java:5982)
at com.gemstone.gemfire.internal.cache.AbstractRegionMap.basicPut(AbstractRegionMap.java:2930)
at com.gemstone.gemfire.internal.cache.LocalRegion.virtualPut(LocalRegion.java:5800)
at com.gemstone.gemfire.internal.cache.DistributedRegion.virtualPut(DistributedRegion.java:386)
at com.gemstone.gemfire.internal.cache.LocalRegionDataView.putEntry(LocalRegionDataView.java:118)
at com.gemstone.gemfire.internal.cache.LocalRegion.basicPut(LocalRegion.java:5190)
at com.gemstone.gemfire.internal.cache.LocalRegion.validatedPut(LocalRegion.java:1581)
at com.gemstone.gemfire.internal.cache.LocalRegion.put(LocalRegion.java:1564)
at com.gemstone.gemfire.internal.cache.AbstractRegion.put(AbstractRegion.java:327)