Tom Wieczorek created MASSEMBLY-851:
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Summary: "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
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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