[LOG4J2-2026] java.lang.AbstractMethodError: javax.xml.parsers.DocumentBuilderFactory.setFeature()

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 2.9.0
• Fix Version/s: 2.9.1
• Assignee: Gary D. Gregory
• Reporter: Leon Finker
• Created: 31/Aug/17 14:17
• Updated: 08/Sep/17 13:40
• Resolved: 01/Sep/17 17:44

Description

Hi,

Tested 2.9.0 RC1 and noticed one issue due to xerces 2.6.2 version being used on one big app. It causes log4j2 failure to initialize (changes are from LOG4J2-1959):

Exception in thread "main" java.lang.AbstractMethodError: javax.xml.parsers.DocumentBuilderFactory.setFeature(Ljava/lang/String;Z)V
    at org.apache.logging.log4j.core.config.xml.XmlConfiguration.disableDtdProcessing(XmlConfiguration.java:205)
    at org.apache.logging.log4j.core.config.xml.XmlConfiguration.newDocumentBuilder(XmlConfiguration.java:194)
    at org.apache.logging.log4j.core.config.xml.XmlConfiguration.<init>(XmlConfiguration.java:92)
    at org.apache.logging.log4j.core.config.xml.XmlConfigurationFactory.getConfiguration(XmlConfigurationFactory.java:46)
    at org.apache.logging.log4j.core.config.ConfigurationFactory.getConfiguration(ConfigurationFactory.java:239)
    at org.apache.logging.log4j.core.config.ConfigurationFactory$Factory.getConfiguration(ConfigurationFactory.java:369)
    at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:237)
    at org.apache.logging.log4j.core.config.Configurator.initialize(Configurator.java:158)
    at org.apache.logging.log4j.core.config.Configurator.initialize(Configurator.java:131)
    at org.apache.logging.log4j.core.config.Configurator.initialize(Configurator.java:101)
    at org.apache.logging.log4j.core.config.Configurator.initialize(Configurator.java:188)