Exception in thread "main" java.lang.NoClassDefFoundError: Could not initialize class javax.crypto.SunJCE_b
at javax.crypto.KeyGenerator.a(DashoA13*..)
at javax.crypto.KeyGenerator.<init>(DashoA13*..)
at javax.crypto.KeyGenerator.getInstance(DashoA13*..)
at com.sun.net.ssl.internal.ssl.JsseJce.getKeyGenerator(Unknown Source)
at com.sun.net.ssl.internal.ssl.RSAClientKeyExchange.<init>(Unknown Source)
at com.sun.net.ssl.internal.ssl.ClientHandshaker.serverHelloDone(Unknown Source)
at com.sun.net.ssl.internal.ssl.ClientHandshaker.processMessage(Unknown Source)
at com.sun.net.ssl.internal.ssl.Handshaker.processLoop(Unknown Source)
at com.sun.net.ssl.internal.ssl.Handshaker.process_record(Unknown Source)
at com.sun.net.ssl.internal.ssl.SSLSocketImpl.readRecord(Unknown Source)
at com.sun.net.ssl.internal.ssl.SSLSocketImpl.performInitialHandshake(Unknown Source)
at com.sun.net.ssl.internal.ssl.SSLSocketImpl.writeRecord(Unknown Source)
at com.sun.net.ssl.internal.ssl.AppOutputStream.write(Unknown Source)
at com.sun.mail.util.TraceOutputStream.write(TraceOutputStream.java:114)
at java.io.BufferedOutputStream.flushBuffer(Unknown Source)
at java.io.BufferedOutputStream.flush(Unknown Source)
at com.sun.mail.smtp.SMTPTransport.sendCommand(SMTPTransport.java:1562)
at com.sun.mail.smtp.SMTPTransport.sendCommand(SMTPTransport.java:1551)
at com.sun.mail.smtp.SMTPTransport.ehlo(SMTPTransport.java:935)
at com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:426)
at javax.mail.Service.connect(Service.java:288)
at org.springframework.mail.javamail.JavaMailSenderImpl.doSend(JavaMailSenderImpl.java:389)
at org.springframework.mail.javamail.JavaMailSenderImpl.send(JavaMailSenderImpl.java:340)
at org.springframework.mail.javamail.JavaMailSenderImpl.send(JavaMailSenderImpl.java:336)
at com.javapapers.spring.SpringMailSender.sendMail(SpringMailSender.java:50)
at com.javapapers.spring.SpringEmail.main(SpringEmail.java:12)
我正在尝试使用spring发送电子邮件，我得到了这种类型的异常