[ http://jira.codehaus.org/browse/MJAR-50?page=comments#action_70204 ]
Dennis Lundberg commented on MJAR-50:
-------------------------------------
This is with a two-line <description> in the pom, second line starting with a
tab character.
Using no configuration options I don't see the "Specification-Title" attribute
in the manifest at all.
Using this configuration:
<configuration>
<archive>
<manifestEntries>
<Specification-Title>${pom.description}</Specification-Title>
</manifestEntries>
</archive>
</configuration>
gives me this error message:
"Embedded error: The attribute "Specification-Title" may not occur more than
once in the same section"
which is strange considering that it wasn't there in the first example.
Using this configuration:
<configuration>
<archive>
<manifestEntries>
<custom>${pom.description}</custom>
</manifestEntries>
</archive>
</configuration>
gives me the same error as above.
So I've had no luck in reproducing the problem reported in this issue, but
might have discovered another one...
> "Invalid Header" in jar's Manifest (Specification-Title attribute) when tab
> char in pom Description
> ---------------------------------------------------------------------------------------------------
>
> Key: MJAR-50
> URL: http://jira.codehaus.org/browse/MJAR-50
> Project: Maven 2.x Jar Plugin
> Issue Type: Bug
> Affects Versions: 2.0
> Reporter: Mike Laurie
> Priority: Trivial
>
> I typed a <description> element into my pom; the description spanned 2 lines,
> and my text editor put a tab char at the beginning of the 2nd line.
> The project built correctly, but another project depended on the resulting
> jar.
> The compilation of the depending project failed with "invalid header" on the
> jar I'd just compiled.
> When I looked at the jar's manifest, I saw the Specification-Title attribute
> had the tab character still in it from the <description> element.
> Replacing the tab with spaces in the pom solved the problem.
> However, this was valid xml that caused a compilation problem, so I think
> it's a minor bug with the jar production code.
> Note that the full description is trimmed before going into the manifest, so
> any
> Easy to work around, but it would be nice if whitespace in the <description>
> element were consolidated into spaces before copying to the manifest.
> Doesn't need any fancy layout stuff - just any multiple instances of tabs,
> spaces, lf or cr should be replaced by a single space.
> Try (I haven't tried to compile this!):
> {code}
> public String consolidateWhitespace(String input){
> StringTokenizer st = new StringTokenizer(input);
> StringBuffer rv = new StringBuffer();
> while (st.hasMoreTokens()){
> rv.append(st.nextToken() + (st.hasMoreTokens()?" ":""));
> }
> return rv.toString();
> }
> {code}
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