javax.mail.NoSuchProviderException

Invalid protocol: null

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Solutions on the web58

  • via Google Groups by Geert VL, 1 year ago
    Invalid protocol: null
  • via Google Groups by Manoj Patel, 1 year ago
    Invalid protocol: null
  • Invalid protocol: null
  • Stack trace

    • javax.mail.NoSuchProviderException: Invalid protocol: null at javax.mail.Session.getProvider(Session.java:431) at javax.mail.Session.getTransport(Session.java:650) at javax.mail.Session.getTransport(Session.java:631) at javax.mail.Session.getTransport(Session.java:617) at MailDemo.main(MailDemo.java:25)

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