Я пытаюсь отправить электронное письмо, используя Play Framework и SendGrid в Heroku. Я установил конфигурацию (Application.conf) следующим образом:
mail.smtp=smtp
mail.smtp.host=smtp.sendgrid.net
mail.smtp.port=587
mail.smtp.user=${SENDGRID_USERNAME}
mail.smtp.pass=${SENDGRID_PASSWORD}
mail.smtp.protocol=smtps
mail.smtp.channel=plain
mail.debug=true
но я получаю это исключение:
DEBUG: getProvider() returning javax.mail.Provider[TRANSPORT,smtp,com.sun.mail.smtp.SMTPTransport,Sun Microsystems, Inc]
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
at javax.mail.Session.getService(Session.java:760)
at javax.mail.Session.getTransport(Session.java:689)
at javax.mail.Session.getTransport(Session.java:632)
at javax.mail.Session.getTransport(Session.java:612)
at javax.mail.Session.getTransport(Session.java:667)
at javax.mail.Transport.send0(Transport.java:148)
at javax.mail.Transport.send(Transport.java:80)
at org.apache.commons.mail.Email.sendMimeMessage(Email.java:1232)
at org.apache.commons.mail.Email.send(Email.java:1267)
at play.libs.Mail$2.call(Mail.java:180)
at play.libs.Mail$2.call(Mail.java:175)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)
Caused by: java.lang.SecurityException: class "com.sun.mail.util.PropUtil"'s signer information does not match signer information of other classes in the same package
at java.lang.ClassLoader.checkCerts(ClassLoader.java:806)
at java.lang.ClassLoader.preDefineClass(ClassLoader.java:487)
at java.lang.ClassLoader.defineClassCond(ClassLoader.java:625)
at java.lang.ClassLoader.defineClass(ClassLoader.java:615)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:283)
at java.net.URLClassLoader.access$000(URLClassLoader.java:58)
at java.net.URLClassLoader$1.run(URLClassLoader.java:197)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
at com.sun.mail.smtp.SMTPTransport.<init>(SMTPTransport.java:146)
at com.sun.mail.smtp.SMTPTransport.<init>(SMTPTransport.java:133)
... 20 more
ERROR niceThrowable,
@68efkgai3
The email has not been sent
Mail error
A mail error occured : Error while sending email
play.exceptions.MailException: Error while sending email
at play.libs.Mail$2.call(Mail.java:183)
at play.libs.Mail$2.call(Mail.java:175)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)
Caused by: org.apache.commons.mail.EmailException: Sending the email to the following server failed : smtp.sendgrid.net:25
at org.apache.commons.mail.Email.sendMimeMessage(Email.java:1242)
at org.apache.commons.mail.Email.send(Email.java:1267)
at play.libs.Mail$2.call(Mail.java:180)
... 6 more
Caused by: javax.mail.NoSuchProviderException: smtp
at javax.mail.Session.getService(Session.java:764)
at javax.mail.Session.getTransport(Session.java:689)
at javax.mail.Session.getTransport(Session.java:632)
at javax.mail.Session.getTransport(Session.java:612)
at javax.mail.Session.getTransport(Session.java:667)
at javax.mail.Transport.send0(Transport.java:148)
at javax.mail.Transport.send(Transport.java:80)
at org.apache.commons.mail.Email.sendMimeMessage(Email.java:1232)
... 8 more
Отладка класса Mail.java в Play, похоже, правильно устанавливает параметры. Кто-нибудь, у кого это работает, может поделиться своей конфигурацией?