[jira] [Updated] (COMPRESS-511) Decompress tar failed. java.io.IOException: Error detected parsing the header

["Peter Lee (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/COMPRESS-511?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Peter Lee updated COMPRESS-511:
-------------------------------
    Assignee: Peter Lee

> Decompress tar failed. java.io.IOException: Error detected parsing the header
> -----------------------------------------------------------------------------
>
>                 Key: COMPRESS-511
>                 URL: https://issues.apache.org/jira/browse/COMPRESS-511
>             Project: Commons Compress
>          Issue Type: Bug
>          Components: Archivers
>    Affects Versions: 1.20
>            Reporter: Akhila Mangipudi
>            Assignee: Peter Lee
>            Priority: Major
>         Attachments: layer1.tar
>
>
> public static void main(String args[]) throws Exception {
> //Send the TAR file as an argument
>  String tarFileName = args[0];
>  /* Read TAR File into TarArchiveInputStream */
>  TarArchiveInputStream myTarFile=new TarArchiveInputStream(new FileInputStream(new File(tarFileName)));
>  /* To read individual TAR file */
>  TarArchiveEntry entry = null;
>  String individualFiles;
>  int offset;
>  FileOutputStream outputFile=null;
>  /* Create a loop to read every single entry in TAR file */
>  while ((entry = myTarFile.getNextTarEntry()) != null) {
>  /* Get the name of the file */
>  individualFiles = entry.getName();
>  /* Get Size of the file and create a byte array for the size */
>  byte[] content = new byte[(int) entry.getSize()];
>  offset=0;
>  /* Some SOP statements to check progress */
>  System.out.println("File Name in TAR File is: " + individualFiles);
>  System.out.println("Size of the File is: " + entry.getSize());
>  System.out.println("Byte Array length: " + content.length);
>  /* Read file from the archive into byte array */
>  myTarFile.read(content, offset, content.length - offset);
>  /* Define OutputStream for writing the file */
>  outputFile=new FileOutputStream(new File(individualFiles));
> }
>  
> I was able to decompress the tar file in the Linux environment using the tar command. Following is the error when I run the code:
>  
> [ec2-user@ip-172-31-16-85 src]$ java TarToByteArray.java layer1.tar
> Error: Could not find or load main class TarToByteArray.java
> [ec2-user@ip-172-31-16-85 src]$ java TarToByteArray layer1.tar
> Exception in thread "main" java.io.IOException: Error detected parsing the header
>  at org.apache.commons.compress.archivers.tar.TarArchiveInputStream.getNextTarEntry(TarArchiveInputStream.java:371)
>  at TarToByteArray.main(TarToByteArray.java:19)
> Caused by: java.lang.IllegalArgumentException: At offset 124, 12 byte binary number exceeds maximum signed long value
>  at org.apache.commons.compress.archivers.tar.TarUtils.parseBinaryBigInteger(TarUtils.java:215)
>  at org.apache.commons.compress.archivers.tar.TarUtils.parseOctalOrBinary(TarUtils.java:179)
>  at org.apache.commons.compress.archivers.tar.TarArchiveEntry.parseTarHeader(TarArchiveEntry.java:1350)
>  at org.apache.commons.compress.archivers.tar.TarArchiveEntry.<init>(TarArchiveEntry.java:438)
>  at org.apache.commons.compress.archivers.tar.TarArchiveInputStream.getNextTarEntry(TarArchiveInputStream.java:369)
>  ... 1 more
>  
>  
> Also attaching the tar file that I am using!



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