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Details

Type: Bug
Resolution: Cannot Reproduce
Priority: Major
Fix Version/s: None
Affects Version/s: 14.10.16
Component/s: Realtime
Labels:
None

Difficulty:
Unknown
Similar issues:

Description

Editing a page using the RealTime Editor removes content from the page. Between the "auto-save by Realtime Session", entire paragraphs get removed. This can be seen in the page history.

Conditions under which this occurred:

only 1 user editing the page in RealTime session
a message that I cannot store the change because of a broken network connection appeared
the content could be recovered by rolling back the page to a prior version

In the server logs, this error is present 6 times in the span of 3minutes. The error is associated with the page where the content of the page disappeared

2024-04-02 10:40:57,055 [http-nio-8080-exec-1 - https://MYWEBSITE/WebHome] ERROR c.x.x.w.SaveAndContinueAction  - Caught exception during save and continue 
java.lang.IndexOutOfBoundsException: Index 3 out of bounds for length 1
	at java.base/jdk.internal.util.Preconditions.outOfBounds(Preconditions.java:64)
	at java.base/jdk.internal.util.Preconditions.outOfBoundsCheckIndex(Preconditions.java:70)
	at java.base/jdk.internal.util.Preconditions.checkIndex(Preconditions.java:248)
	at java.base/java.util.Objects.checkIndex(Objects.java:372)
	at java.base/java.util.ArrayList.get(ArrayList.java:459)
	at com.xpn.xwiki.doc.XWikiDocument.updateDocumentSection(XWikiDocument.java:8553)
	at com.xpn.xwiki.web.SaveAction.save(SaveAction.java:227)
	at com.xpn.xwiki.web.SaveAndContinueAction.doWrappedAction(SaveAndContinueAction.java:126)
	at com.xpn.xwiki.web.SaveAndContinueAction.action(SaveAndContinueAction.java:199)
	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:636)
	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:339)
[...]

This issue was encountered on XWiki 14.10.16 and it happened 3 different times, for the same page.