#Installation failure of Pega 7.1.8 using Linux 

Trying to install Pega 7.1.8 using install.sh script and it's getting failed with the below

   [java] Mon Jun 15 09:38:07 IST 2015 (INFO): Resolving entity "null" / file:///usr/local/pega/scripts/mssql/dataupdate/pr4_rule_vw-pzClassType-populate.sql
     [java] Mon Jun 15 09:38:07 IST 2015 (INFO): Resolving entity "null" / file:///usr/local/pega/scripts/all/dataupdate/pr4_rule_vw-pzRuleSetVersionMinorPatch-populate.sql
     [java] Mon Jun 15 09:38:07 IST 2015 (INFO): Resolving entity "null" / file:///usr/local/pega/scripts/mssql/dataupdate/pr4_rule_vw-pzRuleSetVersionMinorPatch-populate.sql
     [java] java.lang.RuntimeException: XPathFactory#newInstance() failed to create an XPathFactory for the default object model: http://java.sun.com/jaxp/xpath/dom with the XPathFactoryConfigurationException: javax.xml.xpath.XPathFactoryConfigurationException: java.util.ServiceConfigurationError: javax.xml.xpath.XPathFactory: jar:file:/usr/local/pega/scripts/lib/saxon9he.jar!/META-INF/services/javax.xml.xpath.XPathFactory:2: Illegal configuration-file syntax
     [java]     at javax.xml.xpath.XPathFactory.newInstance(XPathFactory.java:102)
     [java]     at com.pega.pegarules.data.ddl.SchemaManager.getTopLevelDocument(Unknown Source)
     [java]     at com.pega.pegarules.data.ddl.SchemaManager.getSchemaManagerFromCustomExpression(Unknown Source)
     [java]     at com.pega.pegarules.data.ddl.SchemaManager.getCustomCreateDDL(Unknown Source)
     [java]     at com.pega.pegarules.data.ddl.SchemaManager.getCreateDDL(Unknown Source)
     [java]     at com.pega.pegarules.data.ddl.SchemaGenerator.generateInstallDDL(SchemaGenerator.java:238)
     [java]     at com.pega.pegarules.data.ddl.SchemaGenerator.main(SchemaGenerator.java:1168)
     [java] Error generating ddl for udb: XPathFactory#newInstance() failed to create an XPathFactory for the default object model: http://java.sun.com/jaxp/xpath/dom with the XPathFactoryConfigurationException: javax.xml.xpath.XPathFactoryConfigurationException: java.util.ServiceConfigurationError: javax.xml.xpath.XPathFactory: jar:file:/usr/local/pega/scripts/lib/saxon9he.jar!/META-INF/services/javax.xml.xpath.XPathFactory:2: Illegal configuration-file syntax

BUILD FAILED
/usr/local/pega/scripts/setupDatabase.xml:1524: The following error occurred while executing this line:
/usr/local/pega/scripts/setupDDL.xml:106: Java returned: 1

Total time: 12 seconds
Ant Process returned a non 0 value