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  1. Commons Compress
  2. COMPRESS-264

ZIP reads correctly with commons-compress 1.6, gives NUL bytes in 1.7

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Minor
    • Resolution: Fixed
    • Affects Version/s: 1.7
    • Fix Version/s: 1.8
    • Component/s: Archivers
    • Labels:
      None
    • Environment:

      Ubuntu precise

      Description

      When running the code below, commons-compress 1.6 writes:

      Content of test.txt:
      data

      By comparison, commons-compress 1.7 writes

      Content of test.txt:
      @@@@^@

      package com.example.jrn;
      import org.apache.commons.compress.archivers.zip.ZipArchiveEntry;
      import org.apache.commons.compress.archivers.zip.ZipArchiveInputStream;
      import java.io.ByteArrayInputStream;
      import java.io.IOException;
      import java.lang.System;
      /**

      • Hello world!
        *
        */
        public class App {
        public static void main(String[] args) {
        byte[] zip = { (byte)0x50, (byte)0x4b, (byte)0x03, (byte)0x04, (byte)0x0a, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x03, (byte)0x7b, (byte)0xd1, (byte)0x42, (byte)0x82, (byte)0xc5, (byte)0xc1, (byte)0xe6, (byte)0x05, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x05, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x08, (byte)0x00, (byte)0x1c, (byte)0x00, (byte)0x74, (byte)0x65, (byte)0x73, (byte)0x74, (byte)0x2e, (byte)0x74, (byte)0x78, (byte)0x74, (byte)0x55, (byte)0x54, (byte)0x09, (byte)0x00, (byte)0x03, (byte)0x56, (byte)0x62, (byte)0xbf, (byte)0x51, (byte)0x2a, (byte)0x63, (byte)0xbf, (byte)0x51, (byte)0x75, (byte)0x78, (byte)0x0b, (byte)0x00, (byte)0x01, (byte)0x04, (byte)0x01, (byte)0xff, (byte)0x01, (byte)0x00, (byte)0x04, (byte)0x88, (byte)0x13, (byte)0x00, (byte)0x00, (byte)0x64, (byte)0x61, (byte)0x74, (byte)0x61, (byte)0x0a, (byte)0x50, (byte)0x4b, (byte)0x01, (byte)0x02, (byte)0x1e, (byte)0x03, (byte)0x0a, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x03, (byte)0x7b, (byte)0xd1, (byte)0x42, (byte)0x82, (byte)0xc5, (byte)0xc1, (byte)0xe6, (byte)0x05, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x05, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x08, (byte)0x00, (byte)0x18, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x01, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0xa0, (byte)0x81, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x74, (byte)0x65, (byte)0x73, (byte)0x74, (byte)0x2e, (byte)0x74, (byte)0x78, (byte)0x74, (byte)0x55, (byte)0x54, (byte)0x05, (byte)0x00, (byte)0x03, (byte)0x56, (byte)0x62, (byte)0xbf, (byte)0x51, (byte)0x75, (byte)0x78, (byte)0x0b, (byte)0x00, (byte)0x01, (byte)0x04, (byte)0x01, (byte)0xff, (byte)0x01, (byte)0x00, (byte)0x04, (byte)0x88, (byte)0x13, (byte)0x00, (byte)0x00, (byte)0x50, (byte)0x4b, (byte)0x05, (byte)0x06, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x01, (byte)0x00, (byte)0x01, (byte)0x00, (byte)0x4e, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x47, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, (byte)00 }

        ;

      ByteArrayInputStream bin = new ByteArrayInputStream(zip);
      try {
      ZipArchiveInputStream in = new ZipArchiveInputStream(bin);
      try {
      while (true) {
      ZipArchiveEntry entry = in.getNextZipEntry();
      if (entry == null)

      { break; }

      byte[] buf = new byte[(int) entry.getSize()];
      in.read(buf);
      System.out.println("Content of " + entry.getName() + ":");
      System.out.write(buf);
      }
      } finally

      { in.close(); }

      } catch (IOException e)

      { System.err.println("IOException: " + e); }

      }
      }

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              • Assignee:
                Unassigned
                Reporter:
                jrn Jonathan Nieder
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                Dates

                • Created:
                  Updated:
                  Resolved: