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  1. Confluence Data Center
  2. CONFSERVER-90379

Previewing a digitally signed MS Word document fails with com.aspose.words.FileCorruptedException and NullPointerException

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    • Icon: Bug Bug
    • Resolution: Unresolved
    • Icon: Low Low
    • None
    • 7.13.7, 8.4.0, 7.13.18, 7.19.11
    • Content - File Previews
    • None

      Issue Summary

      Any Word document signed by the users fails when it is previewed in a

      This is reproducible on Data Center: yes

      Steps to Reproduce

      1. Create a new page
      2. Add as attachment the file : protected_signed_doc_2023-04-27T12%3A51%3A50.911Z.docx
      3. Edit the page and add a Office Macro using the file attached before.
      4. Save the page

      Expected Results

      The file should be previewed.

      Actual Results

      If com.atlassian.confluence.impl.util.sandbox class is added in DEBUG mode, the below exception is thrown in the atlassian-confluence.log file:

       -- referer: https://CONFLUENCE_URL/confluence/display/PD/XWCD-387 | url: /confluence/rest/office/1.0/view | traceId: d83529ac4ca01f8b | userName: admin
2023-04-28 10:18:23,504 INFO [sandbox-logger] [impl.util.sandbox.ConversionSandbox] lambda$static$0 worker0: Exception in thread "main" java.lang.RuntimeException: com.aspose.words.FileCorruptedException: The document appears to be corrupted and cannot be loaded.
   at com.atlassian.plugins.conversion.convert.html.word.WordConverter.convertToHtml(WordConverter.java:53)
   at com.atlassian.plugins.conversion.sandbox.html.SandboxHtmlConversionTask.apply(SandboxHtmlConversionTask.java:39)
   at com.atlassian.plugins.conversion.sandbox.html.SandboxHtmlConversionTask.apply(SandboxHtmlConversionTask.java:19)
   at com.atlassian.confluence.impl.util.sandbox.SandboxServer.run(SandboxServer.java:63)
   at com.atlassian.confluence.impl.util.sandbox.SandboxServer.main(SandboxServer.java:121)
Caused by: com.aspose.words.FileCorruptedException: The document appears to be corrupted and cannot be loaded.
   at com.aspose.words.FileFormatUtil.zzY(Unknown Source)
   at com.aspose.words.Document.zzY(Unknown Source)
   at com.aspose.words.Document.zzZ(Unknown Source)
   at com.aspose.words.Document.<init>(Unknown Source)
   at com.aspose.words.Document.<init>(Unknown Source)
   at com.atlassian.plugins.conversion.convert.html.word.WordConverter.convertToHtml(WordConverter.java:27)
   ... 4 more
Caused by: java.lang.NullPointerException
   at com.aspose.words.internal.zzU1.zzY(Unknown Source)
   at com.aspose.words.internal.zzU1.zzZ(Unknown Source)
   at com.aspose.words.zzYEO.zzZ(Unknown Source)
   at com.aspose.words.zzYEO.zzZ(Unknown Source)
   at com.aspose.words.zzYEO.zzZ(Unknown Source)
   at com.aspose.words.zzYEO.zzZ(Unknown Source)
   at com.aspose.words.zz26.zzZuF(Unknown Source)
   at com.aspose.words.zz26.<init>(Unknown Source)
   at com.aspose.words.zzYZ2.zzKV(Unknown Source)
   at com.aspose.words.Document.zzY(Unknown Source)
   ... 8 more

      Workaround

      Currently there is no known workaround for this behavior. A workaround will be added here when available

        1. protected_signed_doc_2023-04-27T12%3A51%3A50.911Z.docx
          23 kB
          Iker Alonso

              Unassigned Unassigned
              d8a006ac9dc7 Iker Alonso (Inactive)
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                Created:
                Updated: