Disabling "Disable Rewriting" in "Day CQ Link Checker Transformer" config causing  thumbnail issue | Community
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saibul
saibul
Level 4
July 16, 2020
Solved

Disabling "Disable Rewriting" in "Day CQ Link Checker Transformer" config causing  thumbnail issue

  • July 16, 2020
  • 2 replies
  • 2177 views

OS: RHEL 7.6 (Maipo)
Server: AEM-6.5.1 SP-6.5.1
Oak: 1.10.2
Dispatcher: build 4.2.3/apache2.4-linux-x86-64

 

 

I just disabled the disableRewriting & disableChecking  by setting value to true. After setting this property the importing thumbnail image in page properties stopped working. 

 

 

# Configuration created by Apache Sling JCR Installer
linkcheckertransformer.strictExtensionCheck=B"false"
linkcheckertransformer.rewriteElements=["a:href","area:href","form:action","img:src","link:href","script:src"]
linkcheckertransformer.stripExtensionPathBlacklist=[""]
linkcheckertransformer.disableRewriting=B"true"
linkcheckertransformer.disableChecking=B"false"
linkcheckertransformer.stripHtmltExtension=B"false"
linkcheckertransformer.mapCacheSize=I"5000"

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Best answer by vanegi

I test the use case locally, but unable to recreate the same. To the best of my knowledge, I don't think disabling rewriting/checking can cause this issue with thumbnail. Can you upload a new asset into DAM, and see if it generates the thumbnail fine? What errors do you see in AEM error.log file for this time frame? 

2 replies

vanegi
Adobe Employee
vanegiAdobe EmployeeAccepted solution
Adobe Employee
July 16, 2020

I test the use case locally, but unable to recreate the same. To the best of my knowledge, I don't think disabling rewriting/checking can cause this issue with thumbnail. Can you upload a new asset into DAM, and see if it generates the thumbnail fine? What errors do you see in AEM error.log file for this time frame? 

saibul
saibulAuthor
Level 4
July 17, 2020

Could you Upload Image in Thumbnail tab of page properties screen? after making true/false in linkcheckertransformer.disableRewriting property in said config.

saibul
saibulAuthor
Level 4
August 6, 2020

Adobe confirmed that it is a bug and they replied the below in the support ticket.


After I discussed this issue internally, I came to know that there is already a bug created for the engineering team until the engineering team fix this issue, here is the workaround team shared with me which I tested myself:

 

1. To prevent this issue happening till we get fix from engineering
- Overlay or modify /libs/cq/gui/components/siteadmin/admin/properties/form/form.jsp to not escape the action. Have [B] instead of [A].

2. For thumbnail already uploaded
- Write a small script to move from <pagepath>/jcr:content/image/file.sftmp to <pagepath>/jcr:content/image/file

[A]
vm.put("action", Text.escapePath(contentPath));
[B]
vm.put("action", contentPath);

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