[MGNLDIFF-81] VersionDiffHtmlGenerator throws warning when creating diff Created: 30/Sep/14  Updated: 19/May/22  Resolved: 19/May/22

Status: Closed
Project: Magnolia Diff Module
Component/s: None
Affects Version/s: 1.6
Fix Version/s: None

Type: Bug Priority: Minor
Reporter: Richard Gange Assignee: Unassigned
Resolution: Won't Do Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Template:
Acceptance criteria:
Empty
Task DoD:
[ ]* Doc/release notes changes? Comment present?
[ ]* Downstream builds green?
[ ]* Solution information and context easily available?
[ ]* Tests
[ ]* FixVersion filled and not yet released
[ ]  Architecture Decision Record (ADR)
Bug DoR:
[ ]* Steps to reproduce, expected, and actual results filled
[ ]* Affected version filled
Date of First Response:

 Description   

How to reproduce

  1. Open pages app and publish a page
  2. Open the pulse
  3. Open the publication request
  4. Click show changes

Alternative 1

  1. Directly use action "Compare with previous version" or "Compare with version"

Alternative 2

  1. Build the module
  2. See same errors when tests for VersionDiffHtmlGenerator are executed

The following appears in the log:

Warning:  org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser: Property 'http://www.oracle.com/xml/jaxp/properties/entityExpansionLimit' is not recognized.

Different log warnings with different java version

java version "1.8.0_11"
Java(TM) SE Runtime Environment (build 1.8.0_11-b12)
Java HotSpot(TM) 64-Bit Server VM (build 25.11-b03, mixed mode)

and

java version "1.7.0_67"
Java(TM) SE Runtime Environment (build 1.7.0_67-b01)
Java HotSpot(TM) 64-Bit Server VM (build 24.65-b04, mixed mode)

produce

Warning:  org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser: Property 'http://www.oracle.com/xml/jaxp/properties/entityExpansionLimit' is not recognized.
Compiler warnings:
  WARNING:  'org.apache.xerces.jaxp.SAXParserImpl: Property 'http://javax.xml.XMLConstants/property/accessExternalDTD' is not recognized.'

whereas

java version "1.6.0_65"
Java(TM) SE Runtime Environment (build 1.6.0_65-b14-462-11M4609)
Java HotSpot(TM) 64-Bit Server VM (build 20.65-b04-462, mixed mode)

only produces

Warning:  org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser: Property 'http://www.oracle.com/xml/jaxp/properties/entityExpansionLimit' is not recognized.

Related links

Potential solution

See: https://bugs.openjdk.java.net/browse/JDK-8028111

Create a custom XMLSecurityManager which would in turn mean to fully customize daisydiff.

XMLInputFactory factory = XMLInputFactory.newInstance();
XMLSecurityManager securityManager = new XMLSecurityManager(false);
factory.setProperty("http://apache.org/xml/properties/security-manager", securityManager); 


 Comments   
Comment by Roman Kovařík [ 19/May/22 ]

Hello,

This ticket is now marked as closed due to one of the following reasons:

  • A long period of inactivity
  • Uses an old or Beta version of an application, module, or framework that we no longer support
  • The issue is no longer reproducible or has been fixed in later versions

If you are still facing a problem or consider this issue still relevant, please feel free to re-open the ticket and we will reach out to you.

Thank you,
The Magnolia Team

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