【Jenkins】java.net.SocketTimeoutException: connect timed out

概要

java.net.SocketTimeoutException: connect timed out
    at java.net.PlainSocketImpl.socketConnect(Native Method)
    at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
    at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
    at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
    at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
    at java.net.Socket.connect(Socket.java:606)
    at okhttp3.internal.platform.Platform.connectSocket(Platform.kt:120)
    at okhttp3.internal.connection.RealConnection.connectSocket(RealConnection.kt:295)
    at okhttp3.internal.connection.RealConnection.connect(RealConnection.kt:207)
    at okhttp3.internal.connection.ExchangeFinder.findConnection(ExchangeFinder.kt:226)
    at okhttp3.internal.connection.ExchangeFinder.findHealthyConnection(ExchangeFinder.kt:106)
    at okhttp3.internal.connection.ExchangeFinder.find(ExchangeFinder.kt:74)
    at okhttp3.internal.connection.RealCall.initExchange$okhttp(RealCall.kt:255)
    at okhttp3.internal.connection.ConnectInterceptor.intercept(ConnectInterceptor.kt:32)
    at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:109)
    at okhttp3.internal.cache.CacheInterceptor.intercept(CacheInterceptor.kt:95)
    at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:109)
    at okhttp3.internal.http.BridgeInterceptor.intercept(BridgeInterceptor.kt:83)
    at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:109)
    at okhttp3.internal.http.RetryAndFollowUpInterceptor.intercept(RetryAndFollowUpInterceptor.kt:76)
    at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:109)
    at io.jenkins.plugins.appcenter.api.AppCenterServiceFactory.lambda$createAppCenterService$0(AppCenterServiceFactory.java:64)
    at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:109)
    at okhttp3.logging.HttpLoggingInterceptor.intercept(HttpLoggingInterceptor.kt:221)
    at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:109)
    at okhttp3.internal.connection.RealCall.getResponseWithInterceptorChain$okhttp(RealCall.kt:201)
    at okhttp3.internal.connection.RealCall$AsyncCall.run(RealCall.kt:517)
Caused: io.jenkins.plugins.appcenter.AppCenterException: Upload app to resource unsuccessful
    at io.jenkins.plugins.appcenter.AppCenterLogger.logFailure(AppCenterLogger.java:43)
    at io.jenkins.plugins.appcenter.task.internal.UploadAppToResourceTask.lambda$upload$0(UploadAppToResourceTask.java:100)

• Jenkins で AppCenter に ROM をアップロードしようとしたら
  時々上記のエラーが発生する現象に遭遇した
• アップロードに時間がかかりすぎてタイムアウトすることがあった
• AppCenter の Jenkins プラグインではタイムアウト時間を指定できないようだった
• jenkinsfile の step で retry を設定して、タイムアウトした場合は
  数回アップロードをリトライするようにして対処した
  • https://www.jenkins.io/doc/pipeline/steps/workflow-basic-steps/#retry-retry-the-body-up-to-n-times