当使用openapi Braid为我的corda项目生成api时，它在最后一个陡峭的地方出现了一些错误。

Question

Downloads\bootcamp-openapi-master\bootcamp-openapi-master\build\nodes>openapi-generator generate -i http://localhost:10200/swagger.json -g javascript -o ./code-gen --
api-package io.generated.api --model-package io.generated.model
[main] ERROR io.swagger.v3.parser.util.RemoteUrl - unable to read
java.net.SocketException: Unexpected end of file from server
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
        at java.lang.reflect.Constructor.newInstance(Unknown Source)
        at sun.net.www.protocol.http.HttpURLConnection$10.run(Unknown Source)
        at sun.net.www.protocol.http.HttpURLConnection$10.run(Unknown Source)

我正试图在corda生成项目上工作，但它在最后一步向我展示了上面的错误。我想做的项目是

https://blog.b9lab.com/cordacon-2019-highlights-braid-server-and-openapi-generator-for-corda-flows-api-s-d24179ccb27c和类似的https://github.com/corda/openapi-sample

但问题是，我已经在链接中显示了相同的操作，但是生成api的最后一步不是执行和抛出上面提到的错误。还有一件事是，我的第一步是显示与Git中显示的输出不同的输出。

我的输出

10:03:39.328 [main] INFO  io.bluebank.braid.corda.server.BraidCordaStandaloneServer - Starting Braid on port: 10200
10:03:39.718 [braid-startup-threadpool-0] INFO  io.bluebank.braid.corda.BraidVerticle - BraidVerticle.setupRouter starting...
10:03:39.781 [braid-startup-threadpool-0] INFO  io.bluebank.braid.corda.rest.DocsHandlerFactory - activating OpenAPI V3
10:03:39.874 [braid-startup-threadpool-0] INFO  io.bluebank.braid.corda.rest.RestMounter - swagger json bound to https://localhost:10200/swagger.json
10:03:39.890 [braid-startup-threadpool-0] INFO  io.bluebank.braid.corda.rest.RestMounter - Swagger UI bound to https://localhost:10200/
10:03:42.999 [braid-startup-threadpool-0] INFO  io.bluebank.braid.corda.server.BraidCordaStandaloneServer - registering: /cordapps/bootcamp-openapi-master/flows/bootcamp.GetAllTokensFlow
10:03:43.062 [braid-startup-threadpool-0] INFO  io.bluebank.braid.corda.server.BraidCordaStandaloneServer - registering: /cordapps/bootcamp-openapi-master/flows/bootcamp.TokenIssueFlowInitiator
10:03:43.108 [braid-startup-threadpool-0] INFO  io.bluebank.braid.corda.rest.RestMounter - REST end point bound to https://localhost:10200/api/rest
10:03:43.108 [braid-startup-threadpool-0] INFO  io.bluebank.braid.corda.BraidVerticle - BraidVerticle.setupRouter complete -- 3406 msec
10:03:43.889 [vert.x-eventloop-thread-0] INFO  io.bluebank.braid.corda.BraidVerticle - BraidVerticle.setupWebserver complete -- 781 msec
10:03:43.889 [vert.x-eventloop-thread-0] INFO  io.bluebank.braid.corda.BraidVerticle - Braid server started on
10:03:43.905 [vert.x-eventloop-thread-0] INFO  io.bluebank.braid.corda.BraidVerticle - Braid service mounted on https://localhost:10200/api/
10:03:43.905 [vert.x-eventloop-thread-1] INFO  io.bluebank.braid.corda.BraidServer - Braid server started successfully on 10200

它们的输出

10:03:39.328 [main] INFO  io.bluebank.braid.corda.server.BraidCordaStandaloneServer - Starting Braid on port: 10200
10:03:39.718 [braid-startup-threadpool-0] INFO  io.bluebank.braid.corda.BraidVerticle - BraidVerticle.setupRouter starting...
10:03:39.781 [braid-startup-threadpool-0] INFO  io.bluebank.braid.corda.rest.DocsHandlerFactory - activating OpenAPI V2
10:03:39.874 [braid-startup-threadpool-0] INFO  io.bluebank.braid.corda.rest.RestMounter - swagger json bound to http://localhost:10200/swagger.json
10:03:39.890 [braid-startup-threadpool-0] INFO  io.bluebank.braid.corda.rest.RestMounter - Swagger UI bound to http://localhost:10200/
10:03:42.999 [braid-startup-threadpool-0] INFO  io.bluebank.braid.corda.server.BraidCordaStandaloneServer - registering: /cordapps/bootcamp-openapi-master/flows/bootcamp.GetAllTokensFlow
10:03:43.062 [braid-startup-threadpool-0] INFO  io.bluebank.braid.corda.server.BraidCordaStandaloneServer - registering: /cordapps/bootcamp-openapi-master/flows/bootcamp.TokenIssueFlowInitiator
10:03:43.108 [braid-startup-threadpool-0] INFO  io.bluebank.braid.corda.rest.RestMounter - REST end point bound to http://localhost:10200/api/rest
10:03:43.108 [braid-startup-threadpool-0] INFO  io.bluebank.braid.corda.BraidVerticle - BraidVerticle.setupRouter complete -- 3406 msec
10:03:43.889 [vert.x-eventloop-thread-0] INFO  io.bluebank.braid.corda.BraidVerticle - BraidVerticle.setupWebserver complete -- 781 msec
10:03:43.889 [vert.x-eventloop-thread-0] INFO  io.bluebank.braid.corda.BraidVerticle - Braid server started on
10:03:43.905 [vert.x-eventloop-thread-0] INFO  io.bluebank.braid.corda.BraidVerticle - Braid service mounted on https://localhost:10200/api/
10:03:43.905 [vert.x-eventloop-thread-1] INFO  io.bluebank.braid.corda.BraidServer - Braid server started successfully on 10200

不同之处在于，它们不包含https，但我认为这不会引起任何错误。

Answer 1

在您的辫子服务器输出中，它表示activating OpenAPI V2表示您的服务器正在用OpenAPI规范版本2生成API，而您的openapi生成器正在抛出错误ERROR io.swagger.v3.parser.util.RemoteUrl，这意味着它正在寻找v3 (而不是v2)，这就是它无法解析文件的原因。

在我的中型文章(和R3教程)中，我们都使用v3。

从我的文章(注意3后的10200 )

localhost:10004 user1 test 10200 3 “/home/your-user/path-to-project/bootcamp-openapi/build/nodes/PartyA/cordapps”

来自R3的文章(请注意我们如何使用openapi version 3)：

Now, find the down triangle to open up the run configuration. At the Program arguments, paste in: 
localhost:10004 user1 test 10200 3 
"/YOUR-PATH-TO-THIS-FOLDER/bootcamp-cordapp/build/nodes/PartyA/cordapps"

RPC connection address: localhost:10004
node login username: user1
node login password: test
Your desired expose port: 10200
openapi version: 3
Cordapp folder to pick up the jar: "YOUR-PATH-TO-THIS-FOLDER/bootcamp-cordapp/build/nodes/PartyA/cordapps"

所以我不知道你为什么决定使用2版本。