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我正在将 Apache NiFi 的 OkHttp 版本从 2.5 更新到 2.6。这样做时，所有 HTTPS 测试都会失败，并出现以下异常：

javax.net.ssl.SSLHandshakeException: Remote host closed connection during handshake

测试使用 Jetty 服务器周围的包装器作为它连接到的主机。主机和客户端的信任库和密钥库相同。由于某种原因，从 2.5 到 2.6 的更改导致服务器提前关闭。

我唯一要改变的是 maven 中的 OkHttp 版本从 2.5 到 2.6。测试类在这里（实现在TestInvokeHttpCommon）： https ://github.com/apache/nifi/blob/8c2323dc8d0e107f1a99898370c7515fa9603122/nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/test/ java/org/apache/nifi/processors/standard/TestInvokeHttpSSL.java

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问题确实是TLS_DHE_DSS_WITH_AES_128_CBC_SHA新版本的 OkHttp 淘汰了一个特定的密码套件。为了解决这个问题，可以使用代码来提供ConnectionSpec@JesseWilson 建议的自定义实例。

ConnectionSpec.Builder obsoleteSpecBuilder = new ConnectionSpec.Builder(ConnectionSpec.COMPATIBLE_TLS);
obsoleteSpecBuilder = obsoleteSpecBuilder.cipherSuites("TLS_DHE_DSS_WITH_AES_128_CBC_SHA");
ConnectionSpec obsoleteSpec = obsoleteSpecBuilder.build();
okHttpClient.setConnectionSpecs(Arrays.asList(obsoleteSpec));

然而，根本问题是 Jetty 使用的密钥库和信任库没有任何有效的 RSA 或 DSA 密钥（有一个 DSA 密钥，但它在 2 年前过期。显然，日期检查在以前的测试中没有激活）。如果没有这些密钥，Jetty 就无法提供任何依赖于 RSA/DSA 的密码套件，因此一旦TLS_*DSS*删除密码套件，客户端就没有兼容的密码套件。

向密钥库和信任库添加 RSA 密钥可解决此问题，而无需依赖旧密码套件。

hw12203:...src/test/resources alopresto
10s @ 12:43:08 $ keytool -genkey -keyalg RSA -alias localhost -keystore localhost-ks.jks -validity 360 -keysize 2048
Enter keystore password:
What is your first and last name?
  [Unknown]:  localhost
What is the name of your organizational unit?
  [Unknown]:  Apache NiFi
What is the name of your organization?
  [Unknown]:  Apache
What is the name of your City or Locality?
  [Unknown]:  Santa Monica
What is the name of your State or Province?
  [Unknown]:  CA
What is the two-letter country code for this unit?
  [Unknown]:  US
Is CN=localhost, OU=Apache NiFi, O=Apache, L=Santa Monica, ST=CA, C=US correct?
  [no]:  yes

Enter key password for <localhost>
    (RETURN if same as keystore password):
hw12203:...src/test/resources alopresto
23s @ 12:46:09 $ keytool -exportcert -alias localhost -file localhost.der -keystore localhost-ks.jks
Enter keystore password:
Certificate stored in file <localhost.der>
hw12203:...src/test/resources alopresto
2s @ 12:46:34 $ keytool -import -alias localhost -file localhost.der -keystore localhost-ts.jks
Enter keystore password:
Owner: CN=localhost, OU=Apache NiFi, O=Apache, L=Santa Monica, ST=CA, C=US
Issuer: CN=localhost, OU=Apache NiFi, O=Apache, L=Santa Monica, ST=CA, C=US
Serial number: 6f3e5921
Valid from: Tue Jan 05 12:46:04 PST 2016 until: Fri Dec 30 12:46:04 PST 2016
Certificate fingerprints:
     MD5:  9F:CE:78:6D:18:0B:CF:7D:57:50:02:10:BA:98:27:62
     SHA1: FA:70:D1:5C:BE:90:D3:CA:A0:3D:5E:67:62:D1:25:F6:31:2E:59:31
     SHA256: A8:09:89:7C:19:6E:05:5B:CB:04:09:2C:30:5B:35:85:23:0F:C6:8A:12:00:4C:9F:39:5E:40:43:86:3E:FB:09
     Signature algorithm name: SHA256withRSA
     Version: 3

Extensions:

#1: ObjectId: 2.5.29.14 Criticality=false
SubjectKeyIdentifier [
KeyIdentifier [
0000: AB 88 BA FA F7 F5 AE 22   69 E4 B6 89 3D FB B0 61  ......."i...=..a
0010: 30 95 A3 27                                        0..'
]
]

Trust this certificate? [no]:  yes
Certificate was added to keystore
于 2016-01-05T21:31:56.147 回答