Am 2017-04-03 um 23:02 schrieb Robert Scholte:
Hi,

is there anybody who can verify/confirm this issue[1]? This would be a
serious problem.

I can, see my message on the issue.

[1] https://issues.apache.org/jira/browse/MASSEMBLY-851

------- Forwarded message -------
From: "Tom Wieczorek (JIRA)" <j...@apache.org>
To: rfscho...@apache.org
Cc:
Subject: [jira] [Comment Edited] (MASSEMBLY-851) "Unextractable" JAR
files created by assembly:single
Date: Mon, 03 Apr 2017 22:50:41 +0200


     [
https://issues.apache.org/jira/browse/MASSEMBLY-851?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15954147#comment-15954147

]

Tom Wieczorek edited comment on MASSEMBLY-851 at 4/3/17 8:50 PM:
-----------------------------------------------------------------

Okay, I enabled the three standard JDKs available on Travis:

OpenJDK 7:
{noformat}
java version "1.7.0_75"
OpenJDK Runtime Environment (IcedTea 2.5.4) (7u75-2.5.4-1~precise1)
OpenJDK 64-Bit Server VM (build 24.75-b04, mixed mode)
{noformat}

Oracle JDK 7:
{noformat}
java version "1.7.0_76"
Java(TM) SE Runtime Environment (build 1.7.0_76-b13)
Java HotSpot(TM) 64-Bit Server VM (build 24.76-b04, mixed mode
{noformat}

Oracle JDK 8:
{noformat}
java version "1.8.0_31"
Java(TM) SE Runtime Environment (build 1.8.0_31-b13)
Java HotSpot(TM) 64-Bit Server VM (build 25.31-b07, mixed mode)
{noformat}

All three builds fail:
https://travis-ci.org/twz123/broken-assembly/builds/218227846



was (Author: t...@bibbu.net):
Okay, I enabled the three standard JDKs available on Travis:

OpenJDK 7:
{noformat}
java version "1.7.0_75"
OpenJDK Runtime Environment (IcedTea 2.5.4) (7u75-2.5.4-1~precise1)
OpenJDK 64-Bit Server VM (build 24.75-b04, mixed mode)
{nodormat}

Oracle JDK 7:
{noformat}
java version "1.7.0_76"
Java(TM) SE Runtime Environment (build 1.7.0_76-b13)
Java HotSpot(TM) 64-Bit Server VM (build 24.76-b04, mixed mode
{nodormat}

Oracle JDK 8:
{noformat}
java version "1.8.0_31"
Java(TM) SE Runtime Environment (build 1.8.0_31-b13)
Java HotSpot(TM) 64-Bit Server VM (build 25.31-b07, mixed mode)
{nodormat}

All three builds fail:
https://travis-ci.org/twz123/broken-assembly/builds/218227846


"Unextractable" JAR files created by assembly:single
----------------------------------------------------

                Key: MASSEMBLY-851
                URL: https://issues.apache.org/jira/browse/MASSEMBLY-851
            Project: Maven Assembly Plugin
         Issue Type: Bug
   Affects Versions: 3.0.0
        Environment: Apache Maven 3.3.9
(bb52d8502b132ec0a5a3f4c09453c07478323dc5; 2015-11-10T17:41:47+01:00)
Java version: 1.8.0_121, vendor: Oracle Corporation
Default locale: de_DE, platform encoding: UTF-8
OS name: "linux", version: "4.8.0-41-generic", arch: "amd64", family:
"unix"
           Reporter: Tom Wieczorek
        Attachments: mvn.log


Under certain circumstances, {{assembly:single}} generates
"unextractable" JAR files, because of some directory entries in the
JAR file are not ending with a slash, hence they're treated as file
entries.
If such a JAR file is tried to be extracted via the {{jar}}
executable, an Exception is thrown and extraction is aborted:
{code}
java.io.FileNotFoundException: META-INF/maven (Is a directory)
        at java.io.FileOutputStream.open0(Native Method)
        at java.io.FileOutputStream.open(FileOutputStream.java:270)
        at java.io.FileOutputStream.<init>(FileOutputStream.java:213)
        at java.io.FileOutputStream.<init>(FileOutputStream.java:162)
        at sun.tools.jar.Main.copy(Main.java:909)
        at sun.tools.jar.Main.extractFile(Main.java:1069)
        at sun.tools.jar.Main.extract(Main.java:981)
        at sun.tools.jar.Main.run(Main.java:311)
        at sun.tools.jar.Main.main(Main.java:1288)
{code}
A [sample project|https://github.com/twz123/broken-assembly] is on
GitHub.



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