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From "Robert Clark (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (COMPRESS-181) Tar files created by AIX native tar, and which contain symlinks, cannot be read by TarArchiveInputStream
Date Mon, 27 Feb 2012 17:48:49 GMT
Tar files created by AIX native tar, and which contain symlinks, cannot be read by TarArchiveInputStream
--------------------------------------------------------------------------------------------------------

                 Key: COMPRESS-181
                 URL: https://issues.apache.org/jira/browse/COMPRESS-181
             Project: Commons Compress
          Issue Type: Bug
          Components: Archivers
    Affects Versions: 1.3, 1.2, 1.4
         Environment: AIX 5.3
            Reporter: Robert Clark


A simple tar file created on AIX using the native ({{/usr/bin/tar}} tar utility) *and* which
contains a symbolic link, cannot be loaded by TarArchiveInputStream:

{noformat}
java.io.IOException: Error detected parsing the header
	at org.apache.commons.compress.archivers.tar.TarArchiveInputStream.getNextTarEntry(TarArchiveInputStream.java:201)
	at Extractor.extract(Extractor.java:13)
	at Extractor.main(Extractor.java:28)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.apache.tools.ant.taskdefs.ExecuteJava.run(ExecuteJava.java:217)
	at org.apache.tools.ant.taskdefs.ExecuteJava.execute(ExecuteJava.java:152)
	at org.apache.tools.ant.taskdefs.Java.run(Java.java:771)
	at org.apache.tools.ant.taskdefs.Java.executeJava(Java.java:221)
	at org.apache.tools.ant.taskdefs.Java.executeJava(Java.java:135)
	at org.apache.tools.ant.taskdefs.Java.execute(Java.java:108)
	at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:291)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
	at org.apache.tools.ant.Task.perform(Task.java:348)
	at org.apache.tools.ant.Target.execute(Target.java:390)
	at org.apache.tools.ant.Target.performTasks(Target.java:411)
	at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1399)
	at org.apache.tools.ant.Project.executeTarget(Project.java:1368)
	at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
	at org.apache.tools.ant.Project.executeTargets(Project.java:1251)
	at org.apache.tools.ant.Main.runBuild(Main.java:809)
	at org.apache.tools.ant.Main.startAnt(Main.java:217)
	at org.apache.tools.ant.launch.Launcher.run(Launcher.java:280)
	at org.apache.tools.ant.launch.Launcher.main(Launcher.java:109)
Caused by: java.lang.IllegalArgumentException: Invalid byte 0 at offset 0 in '{NUL}1722000726
' len=12
	at org.apache.commons.compress.archivers.tar.TarUtils.parseOctal(TarUtils.java:99)
	at org.apache.commons.compress.archivers.tar.TarArchiveEntry.parseTarHeader(TarArchiveEntry.java:819)
	at org.apache.commons.compress.archivers.tar.TarArchiveEntry.<init>(TarArchiveEntry.java:314)
	at org.apache.commons.compress.archivers.tar.TarArchiveInputStream.getNextTarEntry(TarArchiveInputStream.java:199)
	... 29 more
{noformat}

Tested with 1.2 and the 1.4 nightly build from Feb 23 ({{Implementation-Build: trunk@r1292625;
2012-02-23 03:20:30+0000}})

I don't have a place to post the example tar file, but I can send it to anyone who wants it
(size is 10240 bytes)

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