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https://issues.apache.org/jira/browse/GUACAMOLE-1522?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mike Jumper updated GUACAMOLE-1522:
-----------------------------------
Fix Version/s: (was: 1.4.0)
(was: 1.5.0)
> Printing is slow for some PDF document
> --------------------------------------
>
> Key: GUACAMOLE-1522
> URL: https://issues.apache.org/jira/browse/GUACAMOLE-1522
> Project: Guacamole
> Issue Type: Bug
> Components: guacamole, guacd
> Affects Versions: 1.4.0
> Environment: ubuntu 18.04, GhostScript 9.26 (2018-11-20), Windows
> Server 2019
> Reporter: Jimmy
> Priority: Major
> Attachments: Print-Sample.pdf, print-001.ps, print-002-1.ps,
> print-003-1.ps
>
>
> I attached a PDF document. (Print-Sample.pdf)
> This document has 5 pages.
> When printing the PDF file on the Apache guacamole, it took more than 30
> seconds until the downloading is started.
> Once the downloading is started, it's completed in a short time.
> As a result of my analysis, the call of `read()` function takes a long time
> in the `
> guac_rdp_print_job_output_thread()` function. (src/protocols/rdp/print-job.c)
>
> I captured the print data in the `guac_rdp_print_job_write()` function and
> saved them to the files. I attached some of the print data. (print-001.ps,
> print-002.ps, print-003.ps)
> When I use Ghostscript to convert them to PDF documents, Ghostscript works
> quickly.
> ```
> gs -q -dNOPAUSE -dBATCH -dSAFER -dPARANOIDSAFER -sDEVICE=pdfwrite
> -sOutputFile=print-001.pdf -c .setpdfwrite -f print-001.ps
> cat print-001.ps print-002.ps > print-002-full.ps
> gs -q -dNOPAUSE -dBATCH -dSAFER -dPARANOIDSAFER -sDEVICE=pdfwrite
> -sOutputFile=print-002.pdf -c .setpdfwrite -f print-002-full.ps
> cat print-002-full.ps print-003.ps > print-003-full.ps
> gs -q -dNOPAUSE -dBATCH -dSAFER -dPARANOIDSAFER -sDEVICE=pdfwrite
> -sOutputFile=print-003.pdf -c .setpdfwrite -f print-003-full.ps
> ```
>
> I hope the Apache Guacamole developer team solves this issue.
> Thanks.
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