[jira] [Resolved] (LUCENE-5465) Solr Contrib "map-reduce" breaks Manifest of all other JAR files by adding a broken Main-Class attribute

["Steve Rowe (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/LUCENE-5465?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steve Rowe resolved LUCENE-5465.
--------------------------------

       Resolution: Fixed
         Assignee: Steve Rowe  (was: Uwe Schindler)
    Lucene Fields: New,Patch Available  (was: New)

Committed to trunk, branch_4x, and lucene_solr_4_7.

> Solr Contrib "map-reduce" breaks Manifest of all other JAR files by adding a broken Main-Class attribute
> --------------------------------------------------------------------------------------------------------
>
>                 Key: LUCENE-5465
>                 URL: https://issues.apache.org/jira/browse/LUCENE-5465
>             Project: Lucene - Core
>          Issue Type: Bug
>    Affects Versions: 4.7
>            Reporter: Uwe Schindler
>            Assignee: Steve Rowe
>             Fix For: 4.7, 4.8, 5.0
>
>         Attachments: LUCENE-5465.patch, LUCENE-5465.patch
>
>
> The addition of the Solr map-reduce contrib created a new "main.class" property, which is used by the jarify task. Currently only the map-reduce plugin actually set this property, soall other generated JAR files contain the following line:
> {{Main-Class: $\{main.class\}}}
> This happens because the ANT property "main.class" is undefined for most modules. Maybe this was added for one of the modules (I assume that the Solr-Morphline JARs use this attribute?). We should add some if/then/else structure to the {{<jarify/>}} task that only sets this property, if it is actually defined. Otherwise remove it (I think ANT does this automatically if its empty, means string-empty, have to try out)
> This leads to an error if the file is double-clicked or started via {{java -jar}}:
> {noformat}
> C:\Users\Uwe Schindler\Desktop>java -jar lucene-core-4.7.0.jar
> Fehler: Hauptklasse ${main.class} konnte nicht gefunden oder geladen werden
> {noformat}
> I opened this issue in LUCENE, because jar files from LUCENE and SOLR are affected.



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