[COMPRESS-181] Tar files created by AIX native tar, and which contain symlinks, cannot be read by TarArchiveInputStream

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.2, 1.3
• Fix Version/s: 1.4
• Component/s: Archivers

Environment

AIX 5.3

• Assignee: Unassigned
• Reporter: Robert Clark
• Created: 27/Feb/12 17:48
• Updated: 02/Mar/12 20:01
• Resolved: 02/Mar/12 20:01

Description

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:

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

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

Issue Links

• is related to: COMPRESS-182 Support big or even negative numbers in all numeric TAR headers