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https://issues.apache.org/jira/browse/MJAR-241?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17957304#comment-17957304
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Matthias Bünger commented on MJAR-241:
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This project has moved from Jira to GitHub Issues. This issue was migrated to
[apache/maven-jar-plugin#393|https://github.com/apache/maven-jar-plugin/issues/393].
> Jar package does not have a size in ZipEntry
> --------------------------------------------
>
> Key: MJAR-241
> URL: https://issues.apache.org/jira/browse/MJAR-241
> Project: Maven JAR Plugin (Moved to GitHub Issues)
> Issue Type: Bug
> Affects Versions: 2.5, 2.6, 3.0.2
> Environment: Windows 7
> Maven 3.3.9
> Reporter: Kaitlyn Lemmons
> Assignee: Karl Heinz Marbaise
> Priority: Major
> Fix For: 3.1.1
>
>
> Since version 2.5, jars output by the maven-jar-plugin do not have a size
> that Java's standard ZipEntry class can read. Version 2.4, however, outputs a
> jar with sizes that works just fine.
> Testing included versions 2.4, 2.5, 2.6, and 3.0.2 - only version 2.4 outputs
> a jar with sizes according to ZipEntry. All configuration was kept constant;
> only the version was altered between each test.
> Sample code is below:
> {code:java}
> ZipInputStream zis = new ZipInputStream(new FileInputStream(jarFile));
> ZipEntry entry = zis.getNextEntry();
> System.out.println(entry.getSize());
> {code}
> Output is -1 for versions 2.5+ and a correct >0 size for version 2.4.
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