Illegal provider-class name: http\://www.w3.org/2001/XMLSchema=com.sun.org.apache.xerces.internal.jaxp.validation.xs.SchemaFactoryImpl when application packages jaxp implementation in JBoss EAP 7

Solution Verified - Updated

Environment

Red Hat JBoss Enterprise Application Platform (EAP) 7.1

Issue

Application packaging jaxp-ri-2.0.jar (Sun JAXP Implementation classes) is failing when application tries to create new JAXP SchemaFactory object with Illegal provider-class name: http://www.w3.org/2001/XMLSchema=com.sun.org.apache.xerces.internal.jaxp.validation.xs.SchemaFactoryImpl:

javax.xml.validation.SchemaFactoryConfigurationError: Provider for class javax.xml.validation.SchemaFactory cannot be created
	at org.wildfly.extension.undertow.deployment.UndertowDeploymentService$1.run(UndertowDeploymentService.java:81)
...
Caused by: javax.xml.validation.SchemaFactoryConfigurationError: Provider for class javax.xml.validation.SchemaFactory cannot be created
	at javax.xml.validation.SchemaFactoryFinder.findServiceProvider(SchemaFactoryFinder.java:362)
	at javax.xml.validation.SchemaFactoryFinder._newFactory(SchemaFactoryFinder.java:219)
	at javax.xml.validation.SchemaFactoryFinder.newFactory(SchemaFactoryFinder.java:146)
	at javax.xml.validation.SchemaFactory.newInstance(SchemaFactory.java:213)
	at com.redhat.examples.servlet.Servlet.init(Servlet.java:52)
...
Caused by: java.util.ServiceConfigurationError: javax.xml.validation.SchemaFactory: vfs:/content/packaged-xml-parsers.war/WEB-INF/lib/jaxp-ri-2.0.jar/META-INF/services/javax.xml.validation.SchemaFactory:1: Illegal provider-class name: http\://www.w3.org/2001/XMLSchema=com.sun.org.apache.xerces.internal.jaxp.validation.xs.SchemaFactoryImpl
	at java.util.ServiceLoader.fail(ServiceLoader.java:239)
	at java.util.ServiceLoader.fail(ServiceLoader.java:245)
	at java.util.ServiceLoader.parseLine(ServiceLoader.java:272)
	at java.util.ServiceLoader.parse(ServiceLoader.java:307)
	at java.util.ServiceLoader.access$200(ServiceLoader.java:185)
	at java.util.ServiceLoader$LazyIterator.hasNextService(ServiceLoader.java:357)
	at java.util.ServiceLoader$LazyIterator.hasNext(ServiceLoader.java:393)
	at java.util.ServiceLoader$1.hasNext(ServiceLoader.java:474)
	at javax.xml.validation.SchemaFactoryFinder$2.run(SchemaFactoryFinder.java:351)
	at javax.xml.validation.SchemaFactoryFinder$2.run(SchemaFactoryFinder.java:347)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.xml.validation.SchemaFactoryFinder.findServiceProvider(SchemaFactoryFinder.java:347)
	... 29 more
...

Resolution

The jaxp implementation jar contains an invalid entry in jaxp-ri-2.0.jar/META-INF/services/javax.xml.validation.SchemaFactory. The services file is not a properties file, it should just contain the class name of the factory implementation.

Change this file from:

http\://www.w3.org/2001/XMLSchema=com.sun.org.apache.xerces.internal.jaxp.validation.xs.SchemaFactoryImpl

To

com.sun.org.apache.xerces.internal.jaxp.validation.xs.SchemaFactoryImpl

Root Cause

Invalid META-INF/services/javax.xml.validation.SchemaFactory

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