Hi Atul,
You probably are missing some point. The NullPointerException is from
your mailet and not from James. NPE are really easy to debug in java.
If you get an NPE in NotifyMailet.java line 16 then the code that you're
running is not the one that you pasted here ;-).
Please just delete your class file, recompile your mailet, make sure
that the mailet JAMES load is the right one (e.g: put a custom log in
the init).
Stefano
Atul Moglewar ha scritto:
> Thanks for reverting back.
>
> The line 16 of the NotifyMailet is the closing brace of function
> service. No matter what I write in the service function or the class
> NotifyMailet, James throws NullPointerException and the StackTrace
> says the exception to be at line 16.
>
> Here is the code of NotifyMailet.java
>
> package mt;
> import java.io.FileNotFoundException;
> import java.io.FileOutputStream;
> import java.io.IOException;
> import java.io.PrintWriter;
> import java.io.StringWriter;
> import javax.mail.MessagingException;
> import org.apache.mailet.GenericMailet;
> import org.apache.mailet.Mail;
> import org.apache.mailet.MailAddress;
> public class NotifyMailet extends GenericMailet {
>
>
> public void service(Mail mail) throws MessagingException {
>
> }
> /**
> * Gets the exception stack trace as a string.
> * @param exception
> * @return
> */
> public String getStackTraceAsString(Exception exception)
> {
> StringWriter sw = new StringWriter();
> PrintWriter pw = new PrintWriter(sw);
> pw.print(" [ ");
> pw.print(exception.getClass().getName());
> pw.print(" ] ");
> pw.print(exception.getMessage());
> exception.printStackTrace(pw);
> return sw.toString();
> }
> }
>
>
>
>
> On Dec 31, 2007 6:55 AM, Stefano Bagnara <[EMAIL PROTECTED]> wrote:
>> What is the code at line 16 of NotifyMailet.java ?
>>
>> The NullPointerException is in your code, so you probably made some
>> mistake there.
>>
>> Stefano
>>
>>
>> Atul Moglewar ha scritto:
>>> Hi,
>>> Thanks for reverting back.
>>>
>>> As suggested by you, I altered the environment.xml to enable DEBUG
>>> loggin for spoolmanager and found that, my mailet gets instantiated
>>> when I start James. The log entry says,
>>>
>>> 30/12/07 02:00:10 INFO spoolmanager: Mailet NotifyMailet instantiated.
>>>
>>> But when I send mail, my mailet throws NullPointerException. This
>>> exception is thrown even if I dont write anything in the service
>>> method. The stack trace in the log file is
>>>
>>>
>>> 30/12/07 02:02:28 ERROR spoolmanager: Exception in processor <root>
>>> java.lang.NullPointerException
>>> at NotifyMailet.service(NotifyMailet.java:16)
>>> at
>>> org.apache.james.transport.LinearProcessor.service(LinearProcessor.java:424)
>>> at
>>> org.apache.james.transport.JamesSpoolManager.process(JamesSpoolManager.java:405)
>>> at
>>> org.apache.james.transport.JamesSpoolManager.run(JamesSpoolManager.java:309)
>>> at java.lang.Thread.run(Thread.java:595)
>>> 30/12/07 02:02:28 ERROR spoolmanager: An error occurred processing
>>> replyTo-Mail1198960343718-0 through root
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