Your fix was accepted, thank you.
Paulo
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On
> Behalf Of Lewis, Cory (Genworth)
> Sent: Thursday, February 22, 2007 9:57 PM
> To: [email protected]
> Subject: Re: [iText-questions] Premature EOF in Jpeg.Java
> processParameters
>
> Hi all,
>
> I was able to fix Jpeg.java so that it processed my
> images. I have included the modified class for your
> inspection, to see if perhaps it could be included with the
> general release. Please let me know if something I've done is
> incorrect.
>
> I will attempt to explain my changes.
>
> from processParameters()
>
> if (marker == M_APPE) {
> len = getShort(is) - 2;
> byte[] byteappe = new byte[len];
> for (int k = 0; k < len; ++k) {
> byteappe[k] = (byte)is.read();
> }
> if (byteappe.length > 12) {
> String appe = new
> String(byteappe, 0, 5, "ISO-8859-1");
> if (appe.equals("Adobe")) {
> invert = true;
> }
> }
> continue;
> }
>
> where I changed the 2nd line to have a - 2, and added the continue.
>
> Previously, with my "bad" image, it would process the image
> along until it came to the FF EE marker, defined as M_APPE
> here. getShort would return 121, and it would read those into
> byteappe[], then continue through the code, and skip
> *additional* bytes into the stream(not depicted here).
>
> In the images I've been having problems with, the SOI marker
> (FFC0) was the next marker after FFEE. The 121 would take it
> just past this marker. The -2 would instead set the next
> read operation right at FF.
>
> After the above block, there was the check for VALID_MARKER
> or any of the NOPARAM_MARKERS. Since 0xEE is neither of
> these, it would then perform a skip and go even further past
> the FFC0 marker. The continue skips(no pun intended) over
> this unnecessary skip.
>
> The cause of my premature EOF earlier was that it was getting
> into the actual image content, and coming across FF00's,
> which it interpreted as markers it should skip.
>
> Let me know if you have any questions or concerns.
>
> Thanks,
> Cory
>
>
>
>
>
> ________________________________
>
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On
> Behalf Of Lewis, Cory (Genworth)
> Sent: Thursday, February 22, 2007 8:58 AM
> To: [email protected]
> Subject: Re: [iText-questions] Premature EOF in
> Jpeg.Java processParameters
>
>
> I've found another jpeg that exhibits the same issue.
> It comes from the same source as the previous one, but I do
> have images from that source that work without issue.
>
> Thanks,
> Cory
>
>
> ________________________________
>
> From:
> [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On
> Behalf Of Lewis, Cory (Genworth)
> Sent: Wednesday, February 21, 2007 11:00 AM
> To: [email protected]
> Subject: [iText-questions] Premature EOF in
> Jpeg.Java processParameters
>
>
> Hi all,
>
> I have a jpeg that's causing problems. I'm
> not sure if it's borderline invalid or if there is an issue
> with the code, so here I am.
>
> I call Image.getInstance with a byte[], and get
> the following stack trace:
>
> java.io.IOException: Premature EOF while reading JPG.
> at
> com.lowagie.text.Jpeg.processParameters(Jpeg.java:265)
> at com.lowagie.text.Jpeg.<init>(Jpeg.java:176)
> at com.lowagie.text.Image.getInstance(Image.java:475)
> at
> com.gefa.services.imaging.core.shared.pdf.iTextPDFConverter.ad
> dGenericPage(iTextPDFConverter.java:216)
> at
> com.gefa.services.imaging.core.shared.pdf.iTextPDFConverter.co
> nvertToPDF(iTextPDFConverter.java:80)
>
> I pulled the code out(processParameters from
> Jpeg.java) so I could add some debugging stuff, and got the following:
>
> current shows the current byte from is.read()
> using Integer.toHexString(), available shows what
> is.available() reports.
>
> [2/21/07 10:32:04:299 EST] 00000037 SystemOut
> O length: 11148
> [2/21/07 10:32:04:299 EST] 00000037 SystemOut
> O current: ff available: 11145
> [2/21/07 10:32:04:299 EST] 00000037 SystemOut
> O first pass
> [2/21/07 10:32:04:299 EST] 00000037 SystemOut
> O current: ff available: 11127
> [2/21/07 10:32:04:299 EST] 00000037 SystemOut
> O noparam_marker
> [2/21/07 10:32:04:299 EST] 00000037 SystemOut
> O skipping: 26
> [2/21/07 10:32:04:299 EST] 00000037 SystemOut
> O current: ff available: 11097
> [2/21/07 10:32:04:299 EST] 00000037 SystemOut
> O noparam_marker
> [2/21/07 10:32:04:299 EST] 00000037 SystemOut
> O skipping: 119
> [2/21/07 10:32:04:299 EST] 00000037 SystemOut
> O current: ff available: 10974
> [2/21/07 10:32:04:299 EST] 00000037 SystemOut
> O noparam_marker
> [2/21/07 10:32:04:299 EST] 00000037 SystemOut
> O skipping: 119
> [2/21/07 10:32:04:299 EST] 00000037 SystemOut
> O current: ff available: 10851
> [2/21/07 10:32:04:299 EST] 00000037 SystemOut
> O noparam_marker
> [2/21/07 10:32:04:299 EST] 00000037 SystemOut
> O skipping: 119
> [2/21/07 10:32:04:314 EST] 00000037 SystemOut
> O current: ff available: 10728
> [2/21/07 10:32:04:314 EST] 00000037 SystemOut
> O noparam_marker
> [2/21/07 10:32:04:314 EST] 00000037 SystemOut
> O skipping: 119
> [2/21/07 10:32:04:314 EST] 00000037 SystemOut
> O current: ff available: 10605
> [2/21/07 10:32:04:314 EST] 00000037 SystemOut
> O noparam_marker
> [2/21/07 10:32:04:314 EST] 00000037 SystemOut
> O skipping: 119
> [2/21/07 10:32:04:314 EST] 00000037 SystemOut
> O current: ff available: 10482
> [2/21/07 10:32:04:314 EST] 00000037 SystemOut
> O noparam_marker
> [2/21/07 10:32:04:314 EST] 00000037 SystemOut
> O skipping: 119
> [2/21/07 10:32:04:314 EST] 00000037 SystemOut
> O current: ff available: 10359
> [2/21/07 10:32:04:314 EST] 00000037 SystemOut
> O M_APPE
> [2/21/07 10:32:04:314 EST] 00000037 SystemOut
> O noparam_marker
> [2/21/07 10:32:04:314 EST] 00000037 SystemOut
> O skipping: 9
> [2/21/07 10:32:04:314 EST] 00000037 SystemOut
> O current: ff available: 10223
> [2/21/07 10:32:04:314 EST] 00000037 SystemOut
> O noparam_marker
> [2/21/07 10:32:04:314 EST] 00000037 SystemOut
> O skipping: 130
> [2/21/07 10:32:04:314 EST] 00000037 SystemOut
> O current: ff available: 10089
> [2/21/07 10:32:04:314 EST] 00000037 SystemOut
> O noparam_marker
> [2/21/07 10:32:04:314 EST] 00000037 SystemOut
> O skipping: 29
> [2/21/07 10:32:04:314 EST] 00000037 SystemOut
> O current: ff available: 10056
> [2/21/07 10:32:04:314 EST] 00000037 SystemOut
> O noparam_marker
> [2/21/07 10:32:04:314 EST] 00000037 SystemOut
> O skipping: 179
> [2/21/07 10:32:04:314 EST] 00000037 SystemOut
> O current: ff available: 9873
> [2/21/07 10:32:04:314 EST] 00000037 SystemOut
> O noparam_marker
> [2/21/07 10:32:04:314 EST] 00000037 SystemOut
> O skipping: 6
> [2/21/07 10:32:04:330 EST] 00000037 SystemOut
> O current: 8b available: 9863
> [2/21/07 10:32:04:330 EST] 00000037 SystemOut
> O current: ca available: 9862
> ...
> [2/21/07 10:32:04:861 EST] 00000037 SystemOut
> O current: 5a available: 8969
> [2/21/07 10:32:04:861 EST] 00000037 SystemOut
> O current: 60 available: 8968
> [2/21/07 10:32:04:861 EST] 00000037 SystemOut
> O current: 81 available: 8967
> [2/21/07 10:32:04:861 EST] 00000037 SystemOut
> O current: 69 available: 8966
> [2/21/07 10:32:04:861 EST] 00000037 SystemOut
> O current: ff available: 8965
> [2/21/07 10:32:04:861 EST] 00000037 SystemOut
> O noparam_marker
> [2/21/07 10:32:04:861 EST] 00000037 SystemOut
> O skipping: 26200
> [2/21/07 10:32:04:877 EST] 00000037 SystemOut
> O current: ffffffff available: 0
> [2/21/07 10:32:04:877 EST] 00000037 LoggerBean
> E com.triteksol.util.LoggerBean error Error creating
> document: Premature EOF while reading JPG.
>
> java.lang.Exception: Premature EOF while reading JPG.
> at
> com.gefa.services.imaging.core.shared.pdf.iTextPDFConverter.pr
> ocessParameters(iTextPDFConverter.java:403)
> at
> com.gefa.services.imaging.core.shared.pdf.iTextPDFConverter.co
> nvertToPDF(iTextPDFConverter.java:78)
> at
> com.gnw.imaging.imagetype.impl.GenericImage.assemble(GenericIm
> age.java:64)
>
>
> At byte 887 it hits FF, then decides to skip
> 26200 bytes, which takes it well past the end of the array,
> and the next time through the while loop throws the premature
> EOF. That noparam_marker is right before the skip in the
> else if (markertype
> <javascript:searchRef('markertype')> != NOPARAM_MARKER
> <javascript:searchRef('NOPARAM_MARKER')> )
> block.
>
> I am attaching the offending jpeg, but I'm not
> sure if it will come across. If it doesn't and anyone wants
> it please email me directly.
> I have no problem viewing the jpeg, so like I
> said, I'm not sure if it's borderline invalid or there is a
> code issue.
>
> I'm using 1.4.8.
>
> Any help or insight is greatly appreciated.
>
> Thanks,
> Cory
>
> Cory Lewis
> Genworth Financial
> IT Systems Specialist
> (434)522-2120
>
>
>
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