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Bug
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Resolution: Fixed
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Highest
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7.19.16, 8.5.3, 8.5.4, 7.19.17, 8.7.2, 8.5.6, 7.19.21, 8.5.8, 8.5.11, 8.5.12, 8.9.4, 8.5.14
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133
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Severity 2 - Major
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1,382
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The fix for this bug will be released to our Long Term Support release.
The fix for this bug has been approved for backport and will be available in an upcoming 8.5 release of Confluence. Check the fix-version field for details.
With the fix released by the upstream vendor, we're now investigating how to get that fix back to the version of TinyMCE used in our Confluence 8.5 LTS. Unfortunately with the options made available to us, we're having to investigate backporting the entire editor to this LTS release, which is potentially a breaking change. We're working on it and will provide updates as we have them.
Note that a separate but related improvement was made as part of CONFSERVER-54754: Page with excessive nested span tags causes Synchrony to stop working (fixed in Confluence Data Center 8.4.0, 7.19.15) that has already been backported to LTS releases.
Issue Summary
Nested spans still created in some scenarios even after CONFSERVER-54754 patch causing a stack overflow for Synchrony. According to development this is a bug in TinyMCE code that needs to be fixed by TinyMCE.
Steps to Reproduce
Reproduction steps vary.
Expected Results
Confluence should flatten nested spans.
Actual Results
Nested spans are allowed and cause a stack overflow for Synchrony
Workaround
- Install Confluence Source Code Editor
- Edit the page, then click the Source Editor icon to edit the page source
- Search for the stack of nested tags
- Once identified, remove all nested <span></span> tags between the <p> and </p> tags
- Save Page
Alternately, the remove formatting editor option can be used to strip out all the formatting including these span tags.
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![[Atlassian Documentation] Page](/images/icons/generic_link_16.png "[Atlassian Documentation] Page")
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[CONFSERVER-93559] TinyMCE Code causing Nested Spans from Copy and Paste
Hi All,
Just a quick note on this one.
We've completed the backport of this issue to our 8.5 LTS branch. The fix will be available as part of Confluence 8.5.18 which is due out in December.
ff5dbf1888d4 - This fix we've deployed will resolve the duplicated tag issue in any page that can be loaded into the editor. Any page that is degraded to the point that it cannot be loaded will not be fixed by this change.
Thanks,
James Ponting
Engineering Manager - Confluence Data Center
Does this fix also repair already affected pages?
We have Confluence Datacenter 8.5.12 but still have pages with a lot of <span> elements and therefore those pages cannot be edited.
Is there another fix for that?
Thanks in advance.
Hi All,
I've provided an update around backporting this change in the note in the summary of the ticket.
The short answer is we're working on it, but it's a bit of a beast.
We'll update when we have more to share.
Thanks,
James Ponting
Engineering Manager - Confluence Data Center
A fix for this issue is available in Confluence Data Center 9.0.1.
Upgrade now or check out the Release Notes to see what other issues are resolved.
A fix for this issue is available in Confluence Server and Data Center 8.5.18. Upgrade now or check out the Release Notes to see what other issues are resolved.