java.lang.IllegalArgumentException: object is not an instance of declaring class at com.sun.mail.smtp.SMTPTransport.openServer(SMTPTransport.java:1227) at com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:322)

osdir.com | 6 months ago
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    java.sun.javamail.general - Need Help with MimeUtility.decode base64 - msg#00018 - Recent Discussion OSDir.com

    osdir.com | 6 months ago
    java.lang.IllegalArgumentException: object is not an instance of declaring class at com.sun.mail.smtp.SMTPTransport.openServer(SMTPTransport.java:1227) at com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:322)

    Root Cause Analysis

    1. java.lang.IllegalArgumentException

      object is not an instance of declaring class at com.sun.mail.smtp.SMTPTransport.openServer(SMTPTransport.java:1227) at com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:322)

      at javax.mail.Service.connect()
    2. JavaMail API
      Service.connect
      1. javax.mail.Service.connect(Service.java:236)
      2. javax.mail.Service.connect(Service.java:137)
      2 frames