Thank you, Tilman! Let me know if there's anything I can do to help.
Cheers,
Tim
On Fri, Sep 20, 2019 at 12:04 PM Tilman Hausherr <[email protected]> wrote:
>
> After looking at the sources, I suspect that this test saves into a PNG
> image and then compares this.
>
> I now found out that when using PDFToImage to conert to PNG images, the
> files are much larger with jdk12 than with jdk8 :-(
> This may be related to the compression value in ImageIOUtils. In the
> past this didn't play any role => I will investigate. I don't have jdk11
> on this system (although on another), but this is very suspicious.
>
> jdk8: 214 KB at 240dpi
> jdk12: 14789 KB at 240dpi
>
> Alternatively, change the test so that the pixels are compared.
>
> Tilman
>
> Am 20.09.2019 um 14:43 schrieb Tim Allison:
> > PDFBox Colleagues,
> > Do you know of any diffs between Java 8 and 11 that would affect the
> > extraction of images from PDFs? Dan is getting a build failure
> > because of a hash mismatch.
> > Thank you.
> >
> > Best,
> >
> > Tim
> >
> > On Fri, Sep 20, 2019 at 8:39 AM Dan Becker <[email protected]> wrote:
> >> When one installs "sudo apt install -y default-jre" on Ubuntu 16.04, the
> >> Tika build will be successful with the following tools:
> >> vagrant@ubuntu-xenial:~/tika$ javac -version
> >> javac 1.8.0_222
> >> vagrant@ubuntu-xenial:~/tika$ java -version
> >> openjdk version "1.8.0_222"
> >>
> >> When one installs "sudo apt install -y default-jre" on Ubuntu 18.04, the
> >> Tika build will FAIL with the following tools:
> >> vagrant@ubuntu-bionic:~/tika$ javac -version
> >> javac 11.0.4
> >> vagrant@ubuntu-bionic:~/tika$ java -version
> >> openjdk version "11.0.4" 2019-07-16
> >>
> >> When one installs "sudo apt install -y openjdk-8-jdk" on Ubuntu 18.04, the
> >> Tika build will FAIL with the following tools (Note the compiler has been
> >> changed to jdk 8, but java has not):
> >> vagrant@ubuntu-bionic:~/tika$ javac -version
> >> javac 1.8.0_222
> >> vagrant@ubuntu-bionic:~/tika$ java -version
> >> openjdk version "11.0.4" 2019-07-16
> >>
> >> If you switch the Java version with "echo 2 | sudo update-alternatives
> >> --config java" (Note "2" works for a clean bionic vagrant VM, but YMMV),
> >> then the Tika build will be successful with the following tools:
> >> vagrant@ubuntu-bionic:~/tika$ javac -version
> >> javac 1.8.0_222
> >> vagrant@ubuntu-bionic:~/tika$ java -version
> >> openjdk version "1.8.0_222"
> >>
> >> I suspect that there is some new issue with running Tika under Open JDK
> >> 11.0.4. I will continue to look for the root cause of that next week.
> >>
> >>
> >> Dan
> >> C: 301-524-8899
> >>
> >>
> >> On Thu, Sep 19, 2019 at 1:00 PM Dan Becker <[email protected]> wrote:
> >>
> >>> It is a clean checkout and build with no local changes.
> >>>
> >>> I tested against the stock Ubuntu 16.04, and all the tests passed. The
> >>> only difference with the command sequence listed in the first email is
> >>> "vagrant init ubuntu/xenial64".
> >>>
> >>> I retested Ubuntu 18.04 on a different host (different version of vagrant,
> >>> etc), and I got the same error, so the problem does "repro".
> >>>
> >>> I will try to debug it further to determine the root cause.
> >>>
> >>> Dan
> >>> C: 301-524-8899
> >>>
> >>>
> >>> On Thu, Sep 19, 2019 at 5:07 AM Nick Burch <[email protected]> wrote:
> >>>
> >>>> On Wed, 18 Sep 2019, Dan Becker wrote:
> >>>>> I am trying to build the master branch from Ubuntu 18.04, but I am
> >>>> getting
> >>>>> the following error:
> >>>>>
> >>>>> [ERROR] Tests run: 11, Failures: 1, Errors: 0, Skipped: 0, Time elapsed:
> >>>>> 1.409 s <<< FAILURE! - in org.apache.tika.server.UnpackerResourceTest
> >>>>> [ERROR] testPDFImages(org.apache.tika.server.UnpackerResourceTest) Time
> >>>>> elapsed: 0.366 s <<< FAILURE!
> >>>>> org.junit.ComparisonFailure:
> >>>> expected:<[7c2f14acbb737672a1245f4ceb50622a]>
> >>>>> but was:<[58b8269d1a584b7e8c1adcb936123923]>
> >>>>> at
> >>>>>
> >>>> org.apache.tika.server.UnpackerResourceTest.testPDFImages(UnpackerResourceTest.java:208)
> >>>>
> >>>> Have you made any local changes first? Anything that might've been merged
> >>>> in locally?
> >>>>
> >>>> I'm building on Ubuntu 18.04 with Java 11, and the build completes fine
> >>>> for me with no errors. Pretty sure some/most of our build servers are
> >>>> Ubuntu too. So, not sure what's wrong for you...
> >>>>
> >>>> Nick
> >>>>
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