[当前，我正在使用Corda V3.1，但有一个我无法弄清根本原因的问题。当应用程序处理事务时，将发生错误的行为。它被挂在以下日志的最后一步：
>> Verifying contractCode constraints.
>> Signing transaction with our private key.
>> Collecting signatures from counterparties.
>> Done
>> Obtaining notary signature and recording transaction.
>> Requesting signature by notary service
>> Requesting signature by Notary service(hanged here)
我没有进行任何更改，但是它停止了工作。从日志中，我可以看到：
[INFO ] 2018-06-10T07:06:35,287Z [main] BasicInfo.printBasicNodeInfo - Node for "Notary" started up and registered in 42.91 sec {}
[INFO ] 2018-06-10T07:06:40,305Z [RxIoScheduler-2] network.PersistentNetworkMapCache.addNode - Adding node with info: NodeInfo(addresses=[[2002:aafc:ce75:1007:34eb:f37b:e811:c350]:10005], legalIdentitiesAndCerts=[O=CompanyA, L=London, C=GB], platformVersion=3, serial=1528610763747) {}
[INFO ] 2018-06-10T07:06:40,336Z [RxIoScheduler-2] network.PersistentNetworkMapCache.addNode - Previous node was identical to incoming one - doing nothing {}
[INFO ] 2018-06-10T07:06:40,336Z [RxIoScheduler-2] network.PersistentNetworkMapCache.addNode - Done adding node with info: NodeInfo(addresses=[[2002:aafc:ce75:1007:34eb:f37b:e811:c350]:10005], legalIdentitiesAndCerts=[O=CompanyA, L=London, C=GB], platformVersion=3, serial=1528610763747) {}
[INFO ] 2018-06-10T07:06:40,336Z [RxIoScheduler-2] network.PersistentNetworkMapCache.addNode - Adding node with info: NodeInfo(addresses=[[2002:aafc:ce75:1007:34eb:f37b:e811:c350]:10008], legalIdentitiesAndCerts=[O=CompanyB, L=New York, C=US], platformVersion=3, serial=1528610765829) {}
[INFO ] 2018-06-10T07:06:40,352Z [RxIoScheduler-2] network.PersistentNetworkMapCache.addNode - Previous node was identical to incoming one - doing nothing {}
[INFO ] 2018-06-10T07:06:40,352Z [RxIoScheduler-2] network.PersistentNetworkMapCache.addNode - Done adding node with info: NodeInfo(addresses=[[2002:aafc:ce75:1007:34eb:f37b:e811:c350]:10008], legalIdentitiesAndCerts=[O=CompanyB, L=New York, C=US], platformVersion=3, serial=1528610765829) {}
[INFO ] 2018-06-10T07:06:40,352Z [RxIoScheduler-2] network.PersistentNetworkMapCache.addNode - Adding node with info: NodeInfo(addresses=[[2002:aafc:ce75:1007:34eb:f37b:e811:c350]:10002], legalIdentitiesAndCerts=[O=Notary, L=London, C=GB], platformVersion=3, serial=1528610765215) {}
[INFO ] 2018-06-10T07:06:40,352Z [RxIoScheduler-2] network.PersistentNetworkMapCache.addNode - Discarding older nodeInfo for O=Notary, L=London, C=GB {}
[INFO ] 2018-06-10T07:06:53,654Z [nioEventLoopGroup-2-1] netty.AMQPClient.operationComplete - Failed to connect to [2002:aafc:ce75:1007:34eb:f37b:e811:c350]:10005 {}
[INFO ] 2018-06-10T07:06:54,663Z [nioEventLoopGroup-2-2] netty.AMQPClient.run - Retry connect to [2002:aafc:ce75:1007:34eb:f37b:e811:c350]:10005 {}
[INFO ] 2018-06-10T07:07:15,687Z [nioEventLoopGroup-2-3] netty.AMQPClient.operationComplete - Failed to connect to [2002:aafc:ce75:1007:34eb:f37b:e811:c350]:10005 {}
[INFO ] 2018-06-10T07:07:16,696Z [nioEventLoopGroup-2-4] netty.AMQPClient.run - Retry connect to [2002:aafc:ce75:1007:34eb:f37b:e811:c350]:10005 {}
[INFO ] 2018-06-10T07:07:37,720Z [nioEventLoopGroup-2-5] netty.AMQPClient.operationComplete - Failed to connect to [2002:aafc:ce75:1007:34eb:f37b:e811:c350]:10005 {}
[INFO ] 2018-06-10T07:07:38,728Z [nioEventLoopGroup-2-6] netty.AMQPClient.run - Retry connect to [2002:aafc:ce75:1007:34eb:f37b:e811:c350]:10005 {}
[INFO ] 2018-06-10T07:07:59,747Z [nioEventLoopGroup-2-7] netty.AMQPClient.operationComplete - Failed to connect to [2002:aafc:ce75:1007:34eb:f37b:e811:c350]:10005 {}
[INFO ] 2018-06-10T07:08:00,747Z [nioEventLoopGroup-2-8] netty.AMQPClient.run - Retry connect to [2002:aafc:ce75:1007:34eb:f37b:e811:c350]:10005 {}
[INFO ] 2018-06-10T07:08:21,768Z [nioEventLoopGroup-2-9] netty.AMQPClient.operationComplete - Failed to connect to [2002:aafc:ce75:1007:34eb:f37b:e811:c350]:10005 {}
[INFO ] 2018-06-10T07:08:22,779Z [nioEventLoopGroup-2-10] netty.AMQPClient.run - Retry connect to [2002:aafc:ce75:1007:34eb:f37b:e811:c350]:10005 {}
最后两个步骤一次又一次地重复。解决此问题的唯一方法是清理并重新部署节点，但可以肯定的是，这是不正确的。任何人都可以帮忙吗？非常感谢。
因此，根据您的描述，您不清楚如何运行Corda节点。
问题在于，corda节点之间无法相互通信，但原因尚不清楚。如果它在本地主机上运行，那真是奇怪。
如果您在云中运行这些，则我将尝试重新生成您的节点配置，或者可能会再看一下网络映射Corda节点，因为它肯定变得很奇怪。
也可能是它试图运行的cordapp在尝试在节点或公证人上执行时出错。
您可能会更轻松地将其与一些较新的开发人员示例一起使用，以确定Corda更新是否解决了此问题。
基本上始终有效的最基本示例是yo cordapp（https://github.com/corda/samples-java/tree/master/Basic/yo-cordapp）。尝试运行它以查看是否可以将问题隔离到流或科尔达。