Legacy Knowledge Base
Published Jun. 30, 2025

Deploying httpclient-osgi modules cause Content is not allowed in prolog error

Written By

Ally McGill

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Issue

  • An error occurs when starting Liferay after placing httpclient-osgi modules in the osgi/modules directory. 
Unable to parse metadata XML at "bundleentry://.../OSGI-INF/metatype/metatype.properties" for bundle ID "1111" with symbolic name "org.apache.httpcomponents.httpclient".
org.xml.sax.SAXException: Fatal Error: URI=null Line=1: Content is not allowed in prolog.

Environment

  • Liferay Quarterly Release

Resolution

  • This issue was reported as a bug to the Equinox Project (you can find information here) and resolved by changing the log level from [ERROR] to [WARN]. Therefore, these messages can be safely ignored. 

Additional Information

  • Links to articles or tickets only if they are directly relevant to this issue

 

 

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