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From "Sai Pullabhotla (JIRA)" <j...@apache.org>
Subject [jira] Created: (FTPSERVER-318) Subclasses of FtpException ignore the Throwable parameter in their constructors
Date Sat, 04 Jul 2009 01:56:47 GMT
Subclasses of FtpException ignore the Throwable parameter in their constructors
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                 Key: FTPSERVER-318
                 URL: https://issues.apache.org/jira/browse/FTPSERVER-318
             Project: FtpServer
          Issue Type: Bug
          Components: Core, Ftplets
    Affects Versions: 1.0.2
            Reporter: Sai Pullabhotla
            Priority: Minor
             Fix For: 1.0.3


Currently there are two subclasses of FtpException - 

1) AuthenticationFailedException
2) DataConnectionException

The constructors AuthenticationFailedException(String msg, Throwable th) and DataConnectionException(final
String msg, final Throwable th) ignore (do not use) the second parameter, "th". The parameter
"th" should be passed to the constructor of super class to have accurate stack trace. 

Also, out of curiosity, why does the FtpException has a member variable named "throwable"
for storing the cause instead of using the cause defined in java.lang.Throwable? Why were
the printStackTrace methods overridden? 

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