[GSS](7.0.z) HV-1280 - JAXP is used within a deployment lifecycle without pushing / popping the TCCL

Redeployment of application using hibernate and xerces 2.9 fails with:
Caused by: org.apache.xerces.impl.dv.DVFactoryException: DTD factory class org.apache.xerces.impl.dv.dtd.DTDDVFactoryImpl does not extend from DTDDVFactory.
at org.apache.xerces.impl.dv.DTDDVFactory.getInstance(Unknown Source)
at org.apache.xerces.impl.dv.DTDDVFactory.getInstance(Unknown Source)
at org.apache.xerces.impl.xs.opti.SchemaParsingConfig.<init>(Unknown Source)
at org.apache.xerces.impl.xs.opti.SchemaParsingConfig.<init>(Unknown Source)
at org.apache.xerces.impl.xs.traversers.XSDHandler.<init>(Unknown Source)
at org.apache.xerces.impl.xs.traversers.XSDHandler.<init>(Unknown Source)
at org.apache.xerces.impl.xs.XMLSchemaLoader.<init>(Unknown Source)
at org.apache.xerces.impl.xs.XMLSchemaLoader.<init>(Unknown Source)
at org.apache.xerces.impl.xs.XMLSchemaValidator.<init>(Unknown Source)
at org.apache.xerces.jaxp.validation.XMLSchemaValidatorComponentManager.<init>(Unknown Source)
at org.apache.xerces.jaxp.validation.ValidatorHandlerImpl.<init>(Unknown Source)
at org.apache.xerces.jaxp.validation.AbstractXMLSchema.newValidatorHandler(Unknown Source)
at com.sun.xml.bind.v2.runtime.unmarshaller.ValidatingUnmarshaller.<init>(ValidatingUnmarshaller.java:73)
at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.createUnmarshallerHandler(UnmarshallerImpl.java:197)
at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal0(UnmarshallerImpl.java:456)
at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal(UnmarshallerImpl.java:430)
at org.hibernate.validator.internal.util.privilegedactions.Unmarshal.run(Unmarshal.java:38)
at org.hibernate.validator.internal.util.privilegedactions.Unmarshal.run(Unmarshal.java:20)
at org.hibernate.validator.internal.xml.ValidationXmlParser.run(ValidationXmlParser.java:201)
at org.hibernate.validator.internal.xml.ValidationXmlParser.unmarshal(ValidationXmlParser.java:125)