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Thread: Java email error

  1. December 20th, 2013, 07:15 PM #1
    keepStriving
    keepStriving is offline
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    Default Java email error

    I am trying to send a mail message though get the following error after the "Transport.send(message)" command.

    com.sun.mail.util.MailConnectException: Couldn't connect to host, port: localhost, 25; timeout -1;
  nested exception is:
	java.net.ConnectException: Connection refused: connect
	at com.sun.mail.smtp.SMTPTransport.openServer(SMTPTransport.java:1984)
	at com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:656)
	at javax.mail.Service.connect(Service.java:345)
	at javax.mail.Service.connect(Service.java:226)
	at javax.mail.Service.connect(Service.java:175)
	at javax.mail.Transport.send0(Transport.java:253)
	at javax.mail.Transport.send(Transport.java:124)
	at MainGuiNotes$12.actionPerformed(MainGuiNotes.java:459)
	at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
	at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
	at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
	at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
	at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source)
	at java.awt.Component.processMouseEvent(Unknown Source)
	at javax.swing.JComponent.processMouseEvent(Unknown Source)
	at java.awt.Component.processEvent(Unknown Source)
	at java.awt.Container.processEvent(Unknown Source)
	at java.awt.Component.dispatchEventImpl(Unknown Source)
	at java.awt.Container.dispatchEventImpl(Unknown Source)
	at java.awt.Component.dispatchEvent(Unknown Source)
	at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
	at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
	at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
	at java.awt.Container.dispatchEventImpl(Unknown Source)
	at java.awt.Window.dispatchEventImpl(Unknown Source)
	at java.awt.Component.dispatchEvent(Unknown Source)
	at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
	at java.awt.EventQueue.access$200(Unknown Source)
	at java.awt.EventQueue$3.run(Unknown Source)
	at java.awt.EventQueue$3.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
	at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
	at java.awt.EventQueue$4.run(Unknown Source)
	at java.awt.EventQueue$4.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
	at java.awt.EventQueue.dispatchEvent(Unknown Source)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
	at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
	at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
	at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
	at java.awt.EventDispatchThread.run(Unknown Source)
Caused by: java.net.ConnectException: Connection refused: connect
	at java.net.DualStackPlainSocketImpl.connect0(Native Method)
	at java.net.DualStackPlainSocketImpl.socketConnect(Unknown Source)
	at java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
	at java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
	at java.net.AbstractPlainSocketImpl.connect(Unknown Source)
	at java.net.PlainSocketImpl.connect(Unknown Source)
	at java.net.SocksSocketImpl.connect(Unknown Source)
	at java.net.Socket.connect(Unknown Source)
	at java.net.Socket.connect(Unknown Source)
	at com.sun.mail.util.SocketFetcher.createSocket(SocketFetcher.java:301)
	at com.sun.mail.util.SocketFetcher.getSocket(SocketFetcher.java:229)
	at com.sun.mail.smtp.SMTPTransport.openServer(SMTPTransport.java:1950)
	... 43 more
com.sun.mail.util.MailConnectException: Couldn't connect to host, port: localhost, 25; timeout -1;
  nested exception is:
	java.net.ConnectException: Connection refused: connect
	at com.sun.mail.smtp.SMTPTransport.openServer(SMTPTransport.java:1984)
	at com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:656)
	at javax.mail.Service.connect(Service.java:345)
	at javax.mail.Service.connect(Service.java:226)
	at javax.mail.Service.connect(Service.java:175)
	at javax.mail.Transport.send0(Transport.java:253)
	at javax.mail.Transport.send(Transport.java:124)
	at MainGuiNotes$12.actionPerformed(MainGuiNotes.java:459)
	at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
	at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
	at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
	at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
	at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source)
	at java.awt.Component.processMouseEvent(Unknown Source)
	at javax.swing.JComponent.processMouseEvent(Unknown Source)
	at java.awt.Component.processEvent(Unknown Source)
	at java.awt.Container.processEvent(Unknown Source)
	at java.awt.Component.dispatchEventImpl(Unknown Source)
	at java.awt.Container.dispatchEventImpl(Unknown Source)
	at java.awt.Component.dispatchEvent(Unknown Source)
	at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
	at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
	at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
	at java.awt.Container.dispatchEventImpl(Unknown Source)
	at java.awt.Window.dispatchEventImpl(Unknown Source)
	at java.awt.Component.dispatchEvent(Unknown Source)
	at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
	at java.awt.EventQueue.access$200(Unknown Source)
	at java.awt.EventQueue$3.run(Unknown Source)
	at java.awt.EventQueue$3.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
	at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
	at java.awt.EventQueue$4.run(Unknown Source)
	at java.awt.EventQueue$4.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
	at java.awt.EventQueue.dispatchEvent(Unknown Source)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
	at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
	at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
	at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
	at java.awt.EventDispatchThread.run(Unknown Source)
Caused by: java.net.ConnectException: Connection refused: connect
	at java.net.DualStackPlainSocketImpl.connect0(Native Method)
	at java.net.DualStackPlainSocketImpl.socketConnect(Unknown Source)
	at java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
	at java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
	at java.net.AbstractPlainSocketImpl.connect(Unknown Source)
	at java.net.PlainSocketImpl.connect(Unknown Source)
	at java.net.SocksSocketImpl.connect(Unknown Source)
	at java.net.Socket.connect(Unknown Source)
	at java.net.Socket.connect(Unknown Source)
	at com.sun.mail.util.SocketFetcher.createSocket(SocketFetcher.java:301)
	at com.sun.mail.util.SocketFetcher.getSocket(SocketFetcher.java:229)
	at com.sun.mail.smtp.SMTPTransport.openServer(SMTPTransport.java:1950)
	... 43 more

    This is my code for the mail.
                                 String to = "...@gmail.com";
 
        		 String from = "...@gmail.com";
 
        		 String host = "localhost";
 
        		 Properties properties = System.getProperties();
 
        		 properties.setProperty("mail.smtp.host", host);
 
        		 Session session = Session.getDefaultInstance(properties);
 
        		 try{
        			 MimeMessage message = new MimeMessage(session);
        			 message.setFrom(new InternetAddress(from));
        			 message.addRecipient(Message.RecipientType.TO, new InternetAddress(to));
        			 message.setSubject("greeting");
        			 message.setText("hello");
        			 Transport.send(message);
        			 System.out.println("success");
 
        		 }catch(Exception except){
        			 except.printStackTrace();
        		 }
    I have strictly followed the code from a tutorial so not sure where I have gone wrong.
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  3. December 21st, 2013, 12:04 AM #2
    Watto
    Watto is offline
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    Default Re: Java email error

    I do believe your problem is you're trying to connect the mail 'hosting' website to your localhost rather than to something like GMAIL in this line;

    String host = "localhost";

    I could be completely wrong but at a glance that is what it looks like, like it says in the error.
    Couldn't connect to host, port: localhost, 25;
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