Gradle HTTP 连接到 JCenter 超时

【问题标题】：Gradle HTTP connections to JCenter time outGradle HTTP 连接到 JCenter 超时
【发布时间】：2021-11-11 10:19:18
【问题描述】：

我有一个奇怪的 Gradle 构建错误，它无法连接到 JCenter。启用调试帮助我发现了错误和 URL。虽然我知道 JCenter 已被弃用，但有趣的是，当我使用 curl 时，这些 URL 可以正常工作...

编辑：curl 也有问题。见下文

$ ./gradlew bundleDebug --debug > full.output.txt
^[[Z2021-09-16T16:59:05.016+0500 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] 
2021-09-16T16:59:05.016+0500 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] FAILURE: Build failed with an exception.
2021-09-16T16:59:05.016+0500 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] 
2021-09-16T16:59:05.016+0500 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] * What went wrong:
2021-09-16T16:59:05.016+0500 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] Could not determine the dependencies of task ':app:compileDebugKotlin'.
2021-09-16T16:59:05.016+0500 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] > Could not resolve all dependencies for configuration ':app:debugRuntimeClasspath'.
2021-09-16T16:59:05.016+0500 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter]    > Could not determine artifacts for cn.aigestudio.wheelpicker:WheelPicker:1.1.3
2021-09-16T16:59:05.016+0500 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter]       > Could not get resource 'https://jcenter.bintray.com/cn/aigestudio/wheelpicker/WheelPicker/1.1.3/WheelPicker-1.1.3.aar'.
2021-09-16T16:59:05.016+0500 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter]          > Could not HEAD 'https://jcenter.bintray.com/cn/aigestudio/wheelpicker/WheelPicker/1.1.3/WheelPicker-1.1.3.aar'.
2021-09-16T16:59:05.017+0500 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter]             > Read timed out
2021-09-16T16:59:05.017+0500 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] 
2021-09-16T16:59:05.017+0500 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] * Try:
2021-09-16T16:59:05.017+0500 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] Run with --stacktrace option to get the stack trace.  Run with --scan to get full insights.
2021-09-16T16:59:05.017+0500 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] 
2021-09-16T16:59:05.017+0500 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] * Get more help at https://help.gradle.org
2021-09-16T16:59:05.017+0500 [ERROR] [org.gradle.internal.buildevents.BuildResultLogger] 
2021-09-16T16:59:05.017+0500 [ERROR] [org.gradle.internal.buildevents.BuildResultLogger] BUILD FAILED in 1m 35s

这是来自有关https://jcenter.bintray.com/com/kbeanie/multipicker/1.6/multipicker-1.6.aar 的调试输出的示例：

2021-09-16T16:38:42.552+0500 [DEBUG] [org.gradle.internal.resource.transport.http.HttpClientHelper] Performing HTTP HEAD: https://jcenter.bintray.com/com/kbeanie/multipicker/1.6/multipicker-1.6.aar
2021-09-16T16:38:42.553+0500 [DEBUG] [org.apache.http.client.protocol.RequestAddCookies] CookieSpec selected: default
2021-09-16T16:38:42.553+0500 [DEBUG] [org.apache.http.client.protocol.RequestAuthCache] Auth cache not set in the context
2021-09-16T16:38:42.554+0500 [DEBUG] [org.apache.http.impl.conn.PoolingHttpClientConnectionManager] Connection request: [route: {s}->https://jcenter.bintray.com:443][total kept alive: 0; route allocated: 0 of 20; total allocated: 0 of 20]
2021-09-16T16:38:42.554+0500 [DEBUG] [org.apache.http.impl.conn.PoolingHttpClientConnectionManager] Connection leased: [id: 6][route: {s}->https://jcenter.bintray.com:443][total kept alive: 0; route allocated: 1 of 20; total allocated: 1 of 20]
2021-09-16T16:38:42.554+0500 [DEBUG] [org.apache.http.impl.execchain.MainClientExec] Opening connection {s}->https://jcenter.bintray.com:443
2021-09-16T16:38:42.558+0500 [DEBUG] [org.apache.http.impl.conn.DefaultHttpClientConnectionOperator] Connecting to jcenter.bintray.com/34.95.74.180:443
2021-09-16T16:38:42.558+0500 [DEBUG] [org.apache.http.conn.ssl.SSLConnectionSocketFactory] Connecting socket to jcenter.bintray.com/34.95.74.180:443 with timeout 30000
2021-09-16T16:38:42.569+0500 [DEBUG] [org.apache.http.conn.ssl.SSLConnectionSocketFactory] Enabled protocols: [TLSv1.3, TLSv1.2]
2021-09-16T16:38:42.570+0500 [DEBUG] [org.apache.http.conn.ssl.SSLConnectionSocketFactory] Enabled cipher suites:[TLS_AES_128_GCM_SHA256, TLS_AES_256_GCM_SHA384, TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384, TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256, TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384, TLS_RSA_WITH_AES_256_GCM_SHA384, TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384, TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384, TLS_DHE_RSA_WITH_AES_256_GCM_SHA384, TLS_DHE_DSS_WITH_AES_256_GCM_SHA384, TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256, TLS_RSA_WITH_AES_128_GCM_SHA256, TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256, TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256, TLS_DHE_RSA_WITH_AES_128_GCM_SHA256, TLS_DHE_DSS_WITH_AES_128_GCM_SHA256, TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384, TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384, TLS_RSA_WITH_AES_256_CBC_SHA256, TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384, TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384, TLS_DHE_RSA_WITH_AES_256_CBC_SHA256, TLS_DHE_DSS_WITH_AES_256_CBC_SHA256, TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA, TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA, TLS_RSA_WITH_AES_256_CBC_SHA, TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA, TLS_ECDH_RSA_WITH_AES_256_CBC_SHA, TLS_DHE_RSA_WITH_AES_256_CBC_SHA, TLS_DHE_DSS_WITH_AES_256_CBC_SHA, TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256, TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256, TLS_RSA_WITH_AES_128_CBC_SHA256, TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256, TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256, TLS_DHE_RSA_WITH_AES_128_CBC_SHA256, TLS_DHE_DSS_WITH_AES_128_CBC_SHA256, TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA, TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA, TLS_RSA_WITH_AES_128_CBC_SHA, TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA, TLS_ECDH_RSA_WITH_AES_128_CBC_SHA, TLS_DHE_RSA_WITH_AES_128_CBC_SHA, TLS_DHE_DSS_WITH_AES_128_CBC_SHA, TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
2021-09-16T16:38:42.570+0500 [DEBUG] [org.apache.http.conn.ssl.SSLConnectionSocketFactory] Starting handshake
2021-09-16T16:38:42.619+0500 [DEBUG] [org.apache.http.conn.ssl.SSLConnectionSocketFactory] Secure session established
2021-09-16T16:38:42.619+0500 [DEBUG] [org.apache.http.conn.ssl.SSLConnectionSocketFactory]  negotiated protocol: TLSv1.3
2021-09-16T16:38:42.619+0500 [DEBUG] [org.apache.http.conn.ssl.SSLConnectionSocketFactory]  negotiated cipher suite: TLS_AES_128_GCM_SHA256
2021-09-16T16:38:42.620+0500 [DEBUG] [org.apache.http.conn.ssl.SSLConnectionSocketFactory]  peer principal: CN=*.bintray.com
2021-09-16T16:38:42.620+0500 [DEBUG] [org.apache.http.conn.ssl.SSLConnectionSocketFactory]  peer alternative names: [*.bintray.com, bintray.com]
2021-09-16T16:38:42.627+0500 [DEBUG] [org.apache.http.conn.ssl.SSLConnectionSocketFactory]  issuer principal: CN=GeoTrust RSA CA 2018, OU=www.digicert.com, O=DigiCert Inc, C=US
2021-09-16T16:38:42.631+0500 [DEBUG] [org.apache.http.impl.conn.DefaultHttpClientConnectionOperator] Connection established 192.168.247.130:51996<->34.95.74.180:443
2021-09-16T16:38:42.631+0500 [DEBUG] [org.apache.http.impl.conn.DefaultManagedHttpClientConnection] http-outgoing-6: set socket timeout to 30000
2021-09-16T16:38:42.631+0500 [DEBUG] [org.apache.http.impl.execchain.MainClientExec] Executing request HEAD /com/kbeanie/multipicker/1.6/multipicker-1.6.aar HTTP/1.1
2021-09-16T16:38:42.631+0500 [DEBUG] [org.apache.http.impl.execchain.MainClientExec] Target auth state: UNCHALLENGED
2021-09-16T16:38:42.631+0500 [DEBUG] [org.apache.http.impl.execchain.MainClientExec] Proxy auth state: UNCHALLENGED
2021-09-16T16:38:43.923+0500 [DEBUG] [org.gradle.cache.internal.DefaultFileLockManager] Waiting to acquire shared lock on daemon addresses registry.
2021-09-16T16:38:43.923+0500 [DEBUG] [org.gradle.cache.internal.DefaultFileLockManager] Lock acquired on daemon addresses registry.
2021-09-16T16:38:43.923+0500 [DEBUG] [org.gradle.cache.internal.DefaultFileLockManager] Releasing lock on daemon addresses registry.
2021-09-16T16:38:43.923+0500 [DEBUG] [org.gradle.cache.internal.DefaultFileLockManager] Waiting to acquire shared lock on daemon addresses registry.
2021-09-16T16:38:43.923+0500 [DEBUG] [org.gradle.cache.internal.DefaultFileLockManager] Lock acquired on daemon addresses registry.
2021-09-16T16:38:43.923+0500 [DEBUG] [org.gradle.cache.internal.DefaultFileLockManager] Releasing lock on daemon addresses registry.
2021-09-16T16:38:53.923+0500 [DEBUG] [org.gradle.cache.internal.DefaultFileLockManager] Waiting to acquire shared lock on daemon addresses registry.
2021-09-16T16:38:53.923+0500 [DEBUG] [org.gradle.cache.internal.DefaultFileLockManager] Lock acquired on daemon addresses registry.
2021-09-16T16:38:53.923+0500 [DEBUG] [org.gradle.cache.internal.DefaultFileLockManager] Releasing lock on daemon addresses registry.
2021-09-16T16:38:53.924+0500 [DEBUG] [org.gradle.cache.internal.DefaultFileLockManager] Waiting to acquire shared lock on daemon addresses registry.
2021-09-16T16:38:53.924+0500 [DEBUG] [org.gradle.cache.internal.DefaultFileLockManager] Lock acquired on daemon addresses registry.
2021-09-16T16:38:53.924+0500 [DEBUG] [org.gradle.cache.internal.DefaultFileLockManager] Releasing lock on daemon addresses registry.
2021-09-16T16:39:03.922+0500 [DEBUG] [org.gradle.cache.internal.DefaultFileLockManager] Waiting to acquire shared lock on daemon addresses registry.
2021-09-16T16:39:03.922+0500 [DEBUG] [org.gradle.cache.internal.DefaultFileLockManager] Lock acquired on daemon addresses registry.
2021-09-16T16:39:03.922+0500 [DEBUG] [org.gradle.cache.internal.DefaultFileLockManager] Releasing lock on daemon addresses registry.
2021-09-16T16:39:03.923+0500 [DEBUG] [org.gradle.cache.internal.DefaultFileLockManager] Waiting to acquire shared lock on daemon addresses registry.
2021-09-16T16:39:03.923+0500 [DEBUG] [org.gradle.cache.internal.DefaultFileLockManager] Lock acquired on daemon addresses registry.
2021-09-16T16:39:03.923+0500 [DEBUG] [org.gradle.cache.internal.DefaultFileLockManager] Releasing lock on daemon addresses registry.
2021-09-16T16:39:12.663+0500 [DEBUG] [org.apache.http.impl.conn.DefaultManagedHttpClientConnection] http-outgoing-6: Close connection
2021-09-16T16:39:12.663+0500 [DEBUG] [org.apache.http.impl.conn.DefaultManagedHttpClientConnection] http-outgoing-6: Shutdown connection
2021-09-16T16:39:12.663+0500 [DEBUG] [org.apache.http.impl.execchain.MainClientExec] Connection discarded
2021-09-16T16:39:12.663+0500 [DEBUG] [org.apache.http.impl.conn.PoolingHttpClientConnectionManager] Connection released: [id: 6][route: {s}->https://jcenter.bintray.com:443][total kept alive: 0; route allocated: 0 of 20; total allocated: 0 of 20]
2021-09-16T16:39:12.664+0500 [DEBUG] [org.gradle.internal.operations.DefaultBuildOperationRunner] Completing Build operation 'Metadata of https://jcenter.bintray.com/com/kbeanie/multipicker/1.6/multipicker-1.6.aar'
2021-09-16T16:39:12.664+0500 [DEBUG] [org.gradle.internal.operations.DefaultBuildOperationRunner] Build operation 'Metadata of https://jcenter.bintray.com/com/kbeanie/multipicker/1.6/multipicker-1.6.aar' completed
2021-09-16T16:39:12.664+0500 [DEBUG] [org.gradle.api.internal.artifacts.ivyservice.ivyresolve.ErrorHandlingModuleComponentRepository$ErrorHandlingModuleComponentRepositoryAccess] Error while accessing remote repository BintrayJCenter. Waiting 1000ms before next retry. 2 retries left
org.gradle.internal.resolve.ArtifactResolveException: Could not determine artifacts for com.kbeanie:multipicker:1.6

Full output in this gist.

使用 Curl 手动调试

# http 2 and HEAD works
$ curl -I https://jcenter.bintray.com/com/kbeanie/multipicker/1.6/multipicker-1.6.aar
HTTP/2 200 
date: Thu, 16 Sep 2021 11:39:35 GMT
content-type: application/octet-stream
content-length: 82777
last-modified: Fri, 16 Nov 2018 18:20:39 GMT
etag: 0f19f1f69c04e11cfd695a5ad67013d1a95fc42e
x-checksum-sha1: 0f19f1f69c04e11cfd695a5ad67013d1a95fc42e
x-checksum-sha256: a81c7821877bb241ed32676ef0759778b648de49b36b06689f4018686e56c258
x-checksum-md5: 86af21e9bd4b0e95c857e5255270f24a
content-disposition: attachment; filename="multipicker-1.6.aar"; filename*=UTF-8''multipicker-1.6.aar
accept-ranges: bytes
via: 1.1 google
age: 622
cache-control: public, max-age=2592000
alt-svc: clear

# http 1.1 and HEAD works
$ curl --http1.1 -I https://jcenter.bintray.com/com/kbeanie/multipicker/1.6/multipicker-1.6.aar
HTTP/1.1 200 OK
Date: Thu, 16 Sep 2021 11:39:35 GMT
Content-Type: application/octet-stream
Content-Length: 82777
Last-Modified: Fri, 16 Nov 2018 18:20:39 GMT
ETag: 0f19f1f69c04e11cfd695a5ad67013d1a95fc42e
X-Checksum-Sha1: 0f19f1f69c04e11cfd695a5ad67013d1a95fc42e
X-Checksum-Sha256: a81c7821877bb241ed32676ef0759778b648de49b36b06689f4018686e56c258
X-Checksum-Md5: 86af21e9bd4b0e95c857e5255270f24a
Content-Disposition: attachment; filename="multipicker-1.6.aar"; filename*=UTF-8''multipicker-1.6.aar
Accept-Ranges: bytes
Via: 1.1 google
Age: 645
Cache-Control: public, max-age=2592000
Alt-Svc: clear

Gradle Wrapper 输出

$ ./gradlew --version

------------------------------------------------------------
Gradle 6.7.1
------------------------------------------------------------

Build time:   2020-11-16 17:09:24 UTC
Revision:     2972ff02f3210d2ceed2f1ea880f026acfbab5c0

Kotlin:       1.3.72
Groovy:       2.5.12
Ant:          Apache Ant(TM) version 1.10.8 compiled on May 10 2020
JVM:          11.0.12 (Oracle Corporation 11.0.12+7)
OS:           Linux 5.11.0-31-generic amd64

编辑

curl 不总是回复

似乎https://status.gradle.com 上关于 JCenter 不稳定和缓慢的状态可能是罪魁祸首，因为现在curl 也有问题：

$ time curl -v https://jcenter.bintray.com/com/haibin/calendarview/3.6.7/calendarview-3.6.7.aar
*   Trying 34.95.74.180:443...
* Connected to jcenter.bintray.com (34.95.74.180) port 443 (#0)
* ALPN, offering h2
* ALPN, offering http/1.1
* successfully set certificate verify locations:
*  CAfile: /etc/ssl/certs/ca-certificates.crt
*  CApath: /etc/ssl/certs
* TLSv1.3 (OUT), TLS handshake, Client hello (1):
* TLSv1.3 (IN), TLS handshake, Server hello (2):
* TLSv1.3 (IN), TLS handshake, Encrypted Extensions (8):
* TLSv1.3 (IN), TLS handshake, Certificate (11):
* TLSv1.3 (IN), TLS handshake, CERT verify (15):
* TLSv1.3 (IN), TLS handshake, Finished (20):
* TLSv1.3 (OUT), TLS change cipher, Change cipher spec (1):
* TLSv1.3 (OUT), TLS handshake, Finished (20):
* SSL connection using TLSv1.3 / TLS_AES_256_GCM_SHA384
* ALPN, server accepted to use h2
* Server certificate:
*  subject: CN=*.bintray.com
*  start date: Sep 26 00:00:00 2019 GMT
*  expire date: Nov  9 12:00:00 2021 GMT
*  subjectAltName: host "jcenter.bintray.com" matched cert's "*.bintray.com"
*  issuer: C=US; O=DigiCert Inc; OU=www.digicert.com; CN=GeoTrust RSA CA 2018
*  SSL certificate verify ok.
* Using HTTP2, server supports multi-use
* Connection state changed (HTTP/2 confirmed)
* Copying HTTP/2 data in stream buffer to connection buffer after upgrade: len=0
* Using Stream ID: 1 (easy handle 0x55bd2aa51580)
> GET /com/haibin/calendarview/3.6.7/calendarview-3.6.7.aar HTTP/2
> Host: jcenter.bintray.com
> user-agent: curl/7.74.0
> accept: */*
> 
* TLSv1.3 (IN), TLS handshake, Newsession Ticket (4):
* TLSv1.3 (IN), TLS handshake, Newsession Ticket (4):
* old SSL session ID is stale, removing
* Connection state changed (MAX_CONCURRENT_STREAMS == 100)!
< HTTP/2 502 
< content-type: text/html; charset=UTF-8
< referrer-policy: no-referrer
< content-length: 332
< date: Thu, 16 Sep 2021 13:13:07 GMT
< alt-svc: clear
< 

<html><head>
<meta http-equiv="content-type" content="text/html;charset=utf-8">
<title>502 Server Error</title>
</head>
<body text=#000000 bgcolor=#ffffff>
<h1>Error: Server Error</h1>
<h2>The server encountered a temporary error and could not complete your request.<p>Please try again in 30 seconds.</h2>
<h2></h2>
</body></html>
* Connection #0 to host jcenter.bintray.com left intact

real    0m9,222s
user    0m0,019s
sys 0m0,000s

【问题讨论】：

    标签： java android gradle


    【解决方案1】：

    这可以解释一些事情：

    我没有信心，因为使用curl 仍然可以在 HTTP 级别上工作，但我会等待它。如果明天还是这样，那就不是这样了。

    编辑：是

    实际上只是 JCenter 表现得好笑。

    BUILD SUCCESSFUL in 2m 1s

    【讨论】：

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