Details
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Bug
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Resolution: Unresolved
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Low
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None
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7.0.1, 7.4.1, 7.11.1, 7.13.0, 7.13.3, 7.14.0, 7.17.4
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16
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Severity 3 - Minor
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2
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Description
Issue Summary
Drag & drop of an image results in the exception: com.atlassian.confluence.content.render.xhtml.XhtmlException and the image is lost. This usually happens when base64 images are being DnDed.
Steps to Reproduce
- Drag an image from any website like this where the embedded image is base64 encoded
- Drop it in the editor of the page
- Save the page
Expected Results
The image displayed correctly as dropped.
Actual Results
A broken image placeholder is displayed.
The following error is thrown in the editor and the image is lost.
com.atlassian.confluence.content.render.xhtml.XhtmlException: Missing required attribute: {http://atlassian.com/resource/identifier}value
The logs shows the following error.
2021-05-28 10:19:17,330 ERROR [http-nio-27111-exec-2] [render.xhtml.links.XhtmlOutgoingLinksExtractor] extract Error unmarshalling resource identifier fragment. -- referer: http://localhost:27111/c7111/pages/resumedraft.action?draftId=1409026&draftShareId=f875b326-a2af-4348-8f91-820ba69f196b& | url: /c7111/rest/tinymce/1/drafts | traceId: b9c0c913d6ceba4d | userName: admin com.atlassian.confluence.content.render.xhtml.XhtmlException: com.atlassian.confluence.content.render.xhtml.XhtmlException: Missing required attribute: {http://atlassian.com/resource/identifier}value at com.atlassian.confluence.content.render.xhtml.storage.resource.identifiers.StorageResourceIdentifierUnmarshaller.unmarshal(StorageResourceIdentifierUnmarshaller.java:67) at com.atlassian.confluence.content.render.xhtml.storage.resource.identifiers.StorageResourceIdentifierUnmarshaller.unmarshal(StorageResourceIdentifierUnmarshaller.java:47) at com.atlassian.confluence.content.render.xhtml.links.XhtmlOutgoingLinksExtractor.extract(XhtmlOutgoingLinksExtractor.java:112) at com.atlassian.confluence.links.DefaultLinkManager.updateOutgoingLinks(DefaultLinkManager.java:111) . Caused by: com.atlassian.confluence.content.render.xhtml.XhtmlException: Missing required attribute: {http://atlassian.com/resource/identifier}value at com.atlassian.confluence.content.render.xhtml.storage.resource.identifiers.StorageResourceIdentifierUnmarshaller.getAttributeValue(StorageResourceIdentifierUnmarshaller.java:155) at com.atlassian.confluence.content.render.xhtml.storage.resource.identifiers.StorageResourceIdentifierUnmarshaller.innerUnmarshal(StorageResourceIdentifierUnmarshaller.java:105) at com.atlassian.confluence.content.render.xhtml.storage.resource.identifiers.StorageResourceIdentifierUnmarshaller.unmarshal(StorageResourceIdentifierUnmarshaller.java:65)
Notes
The storage format of the page shows an empty URL in place of the image.
<ac:image><ri:url /></ac:image>
Older versions of Confluence will show a broken image.
<img src="/wiki/plugins/servlet/confluence/placeholder/error?i18nKey=editor.placeholder.broken.image&locale=en_GB&version=2" title="com.atlassian.confluence.content.render.xhtml.XhtmlException: Missing required attribute: {http://atlassian.com/resource/identifier}value" class="transform-error" data-encoded-xml="%3Cac%3Aimage+ac%3Aalt%3D%22Image+result+for+devtools+crash%22%3E%3Cri%3Aurl+%2F%3E%3C%2Fac%3Aimage%3E">
Workaround
There are a few workaround available for this bug.
- Save the image locally on the workstation and then copy into Confluence
- Drag from another source where the image format is png or jpeg
Attachments
Issue Links
- Discovered while testing
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- Closed
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- Closed
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