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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 9082] New: - WsdlToDotnet task null pointer exception when using URL
Date Tue, 14 May 2002 20:30:27 GMT
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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=9082

WsdlToDotnet task null pointer exception when using URL

           Summary: WsdlToDotnet task null pointer exception when using URL
           Product: Ant
           Version: 1.5Beta1
          Platform: Other
        OS/Version: MacOS 9
            Status: NEW
          Severity: Normal
          Priority: Other
         Component: Optional Tasks
        AssignedTo: ant-dev@jakarta.apache.org
        ReportedBy: rfeak@taskport.com


The WsdlToDotnet task will throw a null pointer exception if you specify a URL 
instead of a filename. 

The documentation clearly states that you should be able to supply one or the 
other, but not both. The code also seems to support this, but it mistakenly 
dereferences the filename even if one has not been supplied.

I snagged the code snippet below from WsdlToDotnet.java. I have not run this 
through a debugger to find the exact line that is throwing the null pointer 
exception, but I would guess that there are multiple opportunities in the code 
below. The srcFile is not being set to anything before the following code, a 
couple of null checks here should fix the problem.

------------------------------------------------------------------
command.addArgument(srcFile.toString());
command.addArgument(url);
        
//rebuild unless the dest file is newer than the source file
boolean rebuild = true;
if (srcFile.exists() && destFile.exists() && 
    srcFile.lastModified() <= destFile.lastModified()) {
    rebuild = false;
}
----------------------------------------------------------------

The code seems to work fine when supplied with a .wsdl file.

Thanks for all the good work. Keep it up.

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