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Posted to issues@commons.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2020/01/11 23:03:00 UTC
[jira] [Work logged] (IMAGING-246) Invalid Block Size error
prevents handling of block 1084, Macintosh NSPrintInfo
[ https://issues.apache.org/jira/browse/IMAGING-246?focusedWorklogId=370402&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-370402 ]
ASF GitHub Bot logged work on IMAGING-246:
------------------------------------------
Author: ASF GitHub Bot
Created on: 11/Jan/20 23:02
Start Date: 11/Jan/20 23:02
Worklog Time Spent: 10m
Work Description: kinow commented on pull request #68: [IMAGING-246] Skip Photoshop IPTC blocks that are not recommended to be interpreted by parsers in the specification
URL: https://github.com/apache/commons-imaging/pull/68
Specifically 1084, 1085, 1086, 1086 from https://www.adobe.com/devnet-apps/photoshop/fileformatashtml/.
Unit test attached, using image provided in the JIRA issue.
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Issue Time Tracking
-------------------
Worklog Id: (was: 370402)
Remaining Estimate: 0h
Time Spent: 10m
> Invalid Block Size error prevents handling of block 1084, Macintosh NSPrintInfo
> -------------------------------------------------------------------------------
>
> Key: IMAGING-246
> URL: https://issues.apache.org/jira/browse/IMAGING-246
> Project: Commons Imaging
> Issue Type: Bug
> Components: Format: JPEG
> Affects Versions: 1.0-alpha1
> Reporter: Liberty Wollerman
> Assignee: Bruno P. Kinoshita
> Priority: Major
> Attachments: FallHarvestKitKat_07610.jpg
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> When processing an image created on a Mac with Adobe Photoshop which contains embedded metadata having block 1084, an invalid block size error occurs.
> |0x043C|1084|_(Photoshop CS5)_ Macintosh NSPrintInfo. Variable OS specific info for Macintosh. NSPrintInfo. It is recommened that you do not interpret or use this data.|
>
> Here is some simple test code that replicates what our application is trying to do, and recreates the error:
> {code:java}
> import java.util.regex.Matcher;
> import java.util.regex.Pattern;
> public class RegexMatches {
> public static void main(String args[]) { // String to be scanned to find the pattern.
> String line = "This order was placed for QT3000! OK?";
> String pattern = "(.*)(\\d+)(.*)"; // Create a Pattern object
> Pattern r = Pattern.compile(pattern); // Now create matcher object.
> Matcher m = r.matcher(line);
> if (m.find()) {
> System.out.println("Found value: " + m.group(0));
> System.out.println("Found value: " + m.group(1));
> System.out.println("Found value: " + m.group(2));
> } else {
> System.out.println("NO MATCH");
> }
> }
> }{code}
>
> Here is the resulting error:
> {noformat}
> Exception in thread "main" org.apache.commons.imaging.ImageReadException: Invalid Block Size : 89562 > 65504Exception in thread "main"
> org.apache.commons.imaging.ImageReadException: Invalid Block Size : 89562 > 65504 at
> org.apache.commons.imaging.formats.jpeg.iptc.IptcParser.parseAllBlocks(IptcParser.java:318) at
> org.apache.commons.imaging.formats.jpeg.iptc.IptcParser.parsePhotoshopSegment(IptcParser.java:119) at
> org.apache.commons.imaging.formats.jpeg.iptc.IptcParser.parsePhotoshopSegment(IptcParser.java:112) at
> org.apache.commons.imaging.formats.jpeg.segments.App13Segment.parsePhotoshopSegment(App13Segment.java:71) at
> org.apache.commons.imaging.formats.jpeg.JpegImageParser.getPhotoshopMetadata(JpegImageParser.java:599) at
> org.apache.commons.imaging.formats.jpeg.JpegImageParser.getMetadata(JpegImageParser.java:318) at
> org.apache.commons.imaging.formats.jpeg.JpegImageParser.getImageInfo(JpegImageParser.java:739) at org.apache.commons.imaging.Imaging.getImageInfo(Imaging.java:701) at
> org.apache.commons.imaging.Imaging.getImageInfo(Imaging.java:635) at Main.getMetaData(Main.java:22) at Main.main(Main.java:17){noformat}
>
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