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46 lines
3.4 KiB
Markdown
46 lines
3.4 KiB
Markdown
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---
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title: "December, 2018"
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date: 2018-12-02T02:09:30+02:00
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author: "Alan Orth"
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tags: ["Notes"]
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---
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## 2018-12-01
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- Switch CGSpace (linode18) to use OpenJDK instead of Oracle JDK
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- I manually installed OpenJDK, then removed Oracle JDK, then re-ran the [Ansible playbook](http://github.com/ilri/rmg-ansible-public) to update all configuration files, etc
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- Then I ran all system updates and restarted the server
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## 2018-12-02
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- I noticed that there is another issue with PDF thumbnails on CGSpace, and I see there was another [Ghostscript vulnerability last week](https://usn.ubuntu.com/3831-1/)
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<!--more-->
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- The error when I try to manually run the media filter for one item from the command line:
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```
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org.im4java.core.InfoException: org.im4java.core.CommandException: org.im4java.core.CommandException: identify: FailedToExecuteCommand `"gs" -q -dQUIET -dSAFER -dBATCH -dNOPAUSE -dNOPROMPT -dMaxBitmap=500000000 -dAlignToPixels=0 -dGridFitTT=2 "-sDEVICE=pngalpha" -dTextAlphaBits=4 -dGraphicsAlphaBits=4 "-r72x72" -dFirstPage=1 -dLastPage=1 "-sOutputFile=/tmp/magick-12989PcFN0DnJOej7%d" "-f/tmp/magick-129895Bmp44lvUfxo" "-f/tmp/magick-12989C0QFG51fktLF"' (-1) @ error/delegate.c/ExternalDelegateCommand/461.
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org.im4java.core.InfoException: org.im4java.core.CommandException: org.im4java.core.CommandException: identify: FailedToExecuteCommand `"gs" -q -dQUIET -dSAFER -dBATCH -dNOPAUSE -dNOPROMPT -dMaxBitmap=500000000 -dAlignToPixels=0 -dGridFitTT=2 "-sDEVICE=pngalpha" -dTextAlphaBits=4 -dGraphicsAlphaBits=4 "-r72x72" -dFirstPage=1 -dLastPage=1 "-sOutputFile=/tmp/magick-12989PcFN0DnJOej7%d" "-f/tmp/magick-129895Bmp44lvUfxo" "-f/tmp/magick-12989C0QFG51fktLF"' (-1) @ error/delegate.c/ExternalDelegateCommand/461.
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at org.im4java.core.Info.getBaseInfo(Info.java:360)
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at org.im4java.core.Info.<init>(Info.java:151)
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at org.dspace.app.mediafilter.ImageMagickThumbnailFilter.getImageFile(ImageMagickThumbnailFilter.java:142)
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at org.dspace.app.mediafilter.ImageMagickPdfThumbnailFilter.getDestinationStream(ImageMagickPdfThumbnailFilter.java:24)
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at org.dspace.app.mediafilter.FormatFilter.processBitstream(FormatFilter.java:170)
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at org.dspace.app.mediafilter.MediaFilterManager.filterBitstream(MediaFilterManager.java:475)
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at org.dspace.app.mediafilter.MediaFilterManager.filterItem(MediaFilterManager.java:429)
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at org.dspace.app.mediafilter.MediaFilterManager.applyFiltersItem(MediaFilterManager.java:401)
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at org.dspace.app.mediafilter.MediaFilterManager.main(MediaFilterManager.java:237)
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at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
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at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
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at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
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at java.lang.reflect.Method.invoke(Method.java:498)
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at org.dspace.app.launcher.ScriptLauncher.runOneCommand(ScriptLauncher.java:226)
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at org.dspace.app.launcher.ScriptLauncher.main(ScriptLauncher.java:78)
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```
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- A comment on [StackOverflow question](https://stackoverflow.com/questions/53560755/ghostscript-9-26-update-breaks-imagick-readimage-for-multipage-pdf) from yesterday suggests it might be a bug with the `pngalpha` device in Ghostscript and [links to an upstream bug](https://bugs.ghostscript.com/show_bug.cgi?id=699815)
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- I think we need to wait for a fix from Ubuntu
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<!-- vim: set sw=2 ts=2: -->
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