javax.net.ssl.SSLHandshakeException：没有合适的协议（协议被禁用或密码套件不合适
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【中文标题】javax.net.ssl.SSLHandshakeException：没有合适的协议（协议被禁用或密码套件不合适【英文标题】：javax.net.ssl.SSLHandshakeException: No appropriate protocol (protocol is disabled or cipher suites are inappropriate 【发布时间】：2021-08-05 22:09:45 【问题描述】：我知道有几个关于此错误的问题，但对我没有任何帮助。我有在gmail服务器上发送带有附件的电子邮件的方法，它工作正常。昨天我买了一个新的mac mini m1。我尝试了这种方法来发送电子邮件，但它抛出了这个错误
public static void sentEmail(String report)
BaseTest base = new BaseTest();
String to = base.getProps().getProperty("emailTO"); ;//change accordingly
final String user = base.getProps().getProperty("emailFROM");//change accordingly
final String password = base.getProps().getProperty("emailPassword");//change accordingly
//1) get the session object
Properties properties = System.getProperties();
properties.setProperty("mail.smtp.host", "smtp.gmail.com");
properties.put("mail.smtp.auth", "true");
properties.put("mail.smtp.port", "587");
properties.put("mail.smtp.starttls.enable", "true");
Session session = Session.getDefaultInstance(properties,
new javax.mail.Authenticator()
protected PasswordAuthentication getPasswordAuthentication()
return new PasswordAuthentication(user,password);
);
//2) compose message
try
MimeMessage message = new MimeMessage(session);
message.setFrom(new InternetAddress(user));
message.addRecipient(Message.RecipientType.TO,new InternetAddress(to));
message.setSubject("From Mobile Automation Project ");
//3) create MimeBodyPart object and set your message text
BodyPart messageBodyPart1 = new MimeBodyPart();
messageBodyPart1.setText("Report");
//4) create new MimeBodyPart object and set DataHandler object to this object
MimeBodyPart messageBodyPart2 = new MimeBodyPart();
String filename = report;//change accordingly
DataSource source = new FileDataSource(filename);
messageBodyPart2.setDataHandler(new DataHandler(source));
messageBodyPart2.setFileName(filename);
//5) create Multipart object and add MimeBodyPart objects to this object
Multipart multipart = new MimeMultipart();
multipart.addBodyPart(messageBodyPart1);
multipart.addBodyPart(messageBodyPart2);
//6) set the multiplart object to the message object
message.setContent(multipart );
//7) send message
Transport.send(message);
System.out.println("Report has been sent to: "+ to);
catch (MessagingException ex) ex.printStackTrace();
例外
javax.mail.MessagingException: Could not convert socket to TLS;
nested exception is:
javax.net.ssl.SSLHandshakeException: No appropriate protocol (protocol is disabled or cipher suites are inappropriate)
at com.sun.mail.smtp.SMTPTransport.startTLS(SMTPTransport.java:1907)
at com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:666)
at javax.mail.Service.connect(Service.java:317)
at javax.mail.Service.connect(Service.java:176)
at javax.mail.Service.connect(Service.java:125)
at javax.mail.Transport.send0(Transport.java:194)
at javax.mail.Transport.send(Transport.java:124)
at com.qa.utils.TestUtils.SendEmailTLS(TestUtils.java:228)
at com.qa.BaseTest.afterSuite(BaseTest.java:153)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:134)
at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:63)
at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:348)
at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:302)
at org.testng.SuiteRunner.privateRun(SuiteRunner.java:351)
at org.testng.SuiteRunner.run(SuiteRunner.java:286)
at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
at org.testng.TestNG.runSuitesSequentially(TestNG.java:1187)
at org.testng.TestNG.runSuitesLocally(TestNG.java:1109)
at org.testng.TestNG.runSuites(TestNG.java:1039)
at org.testng.TestNG.run(TestNG.java:1007)
at org.apache.maven.surefire.testng.TestNGExecutor.run(TestNGExecutor.java:284)
at org.apache.maven.surefire.testng.TestNGXmlTestSuite.execute(TestNGXmlTestSuite.java:75)
at org.apache.maven.surefire.testng.TestNGProvider.invoke(TestNGProvider.java:119)
at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:428)
at org.apache.maven.surefire.booter.ForkedBooter.execute(ForkedBooter.java:162)
at org.apache.maven.surefire.booter.ForkedBooter.run(ForkedBooter.java:562)
at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:548)
Caused by: javax.net.ssl.SSLHandshakeException: No appropriate protocol (protocol is disabled or cipher suites are inappropriate)
at sun.security.ssl.HandshakeContext.<init>(HandshakeContext.java:171)
at sun.security.ssl.ClientHandshakeContext.<init>(ClientHandshakeContext.java:101)
at sun.security.ssl.TransportContext.kickstart(TransportContext.java:238)
at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:394)
at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:373)
at com.sun.mail.util.SocketFetcher.configureSSLSocket(SocketFetcher.java:549)
at com.sun.mail.util.SocketFetcher.startTLS(SocketFetcher.java:486)
at com.sun.mail.smtp.SMTPTransport.startTLS(SMTPTransport.java:1902)
... 31 more
我改变了这个参数
properties.setProperty("mail.smtp.host", "smtp.gmail.com");
到这里
properties.setProperty("mail.smtp.ssl.trust", "smtp.gmail.com");
但是我得到了这个异常
javax.mail.MessagingException: Could not connect to SMTP host: localhost, port: 587;
nested exception is:
java.net.ConnectException: Connection refused (Connection refused)
at com.sun.mail.smtp.SMTPTransport.openServer(SMTPTransport.java:1961)
at com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:654)
at javax.mail.Service.connect(Service.java:317)
at javax.mail.Service.connect(Service.java:176)
at javax.mail.Service.connect(Service.java:125)
at javax.mail.Transport.send0(Transport.java:194)
at javax.mail.Transport.send(Transport.java:124)
at com.qa.utils.TestUtils.sentEmail(TestUtils.java:189)
at com.qa.BaseTest.afterSuite(BaseTest.java:152)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:134)
at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:63)
at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:348)
at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:302)
at org.testng.SuiteRunner.privateRun(SuiteRunner.java:351)
at org.testng.SuiteRunner.run(SuiteRunner.java:286)
at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
at org.testng.TestNG.runSuitesSequentially(TestNG.java:1187)
at org.testng.TestNG.runSuitesLocally(TestNG.java:1109)
at org.testng.TestNG.runSuites(TestNG.java:1039)
at org.testng.TestNG.run(TestNG.java:1007)
at org.apache.maven.surefire.testng.TestNGExecutor.run(TestNGExecutor.java:284)
at org.apache.maven.surefire.testng.TestNGXmlTestSuite.execute(TestNGXmlTestSuite.java:75)
at org.apache.maven.surefire.testng.TestNGProvider.invoke(TestNGProvider.java:119)
at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:428)
at org.apache.maven.surefire.booter.ForkedBooter.execute(ForkedBooter.java:162)
at org.apache.maven.surefire.booter.ForkedBooter.run(ForkedBooter.java:562)
at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:548)
Caused by: java.net.ConnectException: Connection refused (Connection refused)
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:476)
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:218)
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:200)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:394)
at java.net.Socket.connect(Socket.java:606)
at java.net.Socket.connect(Socket.java:555)
at com.sun.mail.util.SocketFetcher.createSocket(SocketFetcher.java:321)
at com.sun.mail.util.SocketFetcher.getSocket(SocketFetcher.java:237)
at com.sun.mail.smtp.SMTPTransport.openServer(SMTPTransport.java:1927)
... 31 more
【问题讨论】：
您使用的是哪个客户端库？ 我正在使用 javax.mail 在旧的 mac 上这段代码可以正常工作，我又检查了一次：/ 我认为有些东西在 mac mini 上阻塞了 smpt 协议 【参考方案1】：我有一个类似的问题，它似乎与Deepak's response 有关。关注these instructions 解决了这个问题。
似乎有必要明确设置required 标志和协议：
添加以下设置对我有用：
properties.put("mail.smtp.starttls.required", "true");
properties.put("mail.smtp.ssl.protocols", "TLSv1.2");
我必须补充一点，我在端口 465 上测试了这个，完整的配置看起来像这样
properies.put("mail.smtp.host", "smtp.gmail.com");
properies.put("mail.smtp.port", "465");
properies.put("mail.smtp.auth", "true");
properies.put("mail.smtp.starttls.enable", "true");
properies.put("mail.smtp.starttls.required", "true");
properies.put("mail.smtp.ssl.protocols", "TLSv1.2");
properies.put("mail.smtp.socketFactory.class", "javax.net.ssl.SSLSocketFactory");
【讨论】：
感谢它的工作并解决了我的问题【参考方案2】：要解决这个问题，只需升级用于 sendmail 的 java 库。 它对我有用。
【讨论】：
【参考方案3】：警告这样做有启用 tlsv1 和 tlsv1.1 的风险：
找到保存 java.security 文件的目录。 在 ubuntu 的情况下：
/usr/lib/jvm/java-8-openjdk-amd64/jre/lib/security
找到jdk.tls.disabledAlgorithms
删除TLSv1, TLSv1.1
重新启动服务器并运行项目以再次尝试发送邮件。
【讨论】：
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