Trying to install version 2.5 but the install fails with 4 fatal errors. Looks like this:

SEVERE 2/1/17 2:52 PM: liquibase: schema_reference.4: Failed to read schema document 'http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.1.xsd', because 1) could not find the document; 2) the document could not be read; 3) the root element of the document is not <xsd:schema>.
liquibase.exception.ChangeLogParseException: Error parsing line 22 column 255 of IacAraChangeLog.xml: schema_reference.4: Failed to read schema document 'http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.1.xsd', because 1) could not find the document; 2) the document could not be read; 3) the root element of the document is not <xsd:schema>.
at liquibase.parser.core.xml.XMLChangeLogSAXParser.pa rseToNode(XMLChangeLogSAXParser.java:108)
at liquibase.parser.core.xml.AbstractChangeLogParser. parse(AbstractChangeLogParser.java:17)
at liquibase.Liquibase.getDatabaseChangeLog(Liquibase .java:209)
at liquibase.Liquibase.update(Liquibase.java:187)
at liquibase.Liquibase.update(Liquibase.java:174)
at liquibase.integration.commandline.Main.doMigration (Main.java:997)
at liquibase.integration.commandline.Main.run(Main.ja va:170)
at liquibase.integration.commandline.Main.main(Main.j ava:89)
Caused by: org.xml.sax.SAXParseException; lineNumber: 22; columnNumber: 255; schema_reference.4: Failed to read schema document 'http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.1.xsd', because 1) could not find the document; 2) the document could not be read; 3) the root element of the document is not <xsd:schema>.
at com.sun.org.apache.xerces.internal.util.ErrorHandl erWrapper.createSAXParseException(ErrorHandlerWrap per.java:203)
at com.sun.org.apache.xerces.internal.util.ErrorHandl erWrapper.warning(ErrorHandlerWrapper.java:99)
at com.sun.org.apache.xerces.internal.impl.XMLErrorRe porter.reportError(XMLErrorReporter.java:392)
at com.sun.org.apache.xerces.internal.impl.XMLErrorRe porter.reportError(XMLErrorReporter.java:306)
at com.sun.org.apache.xerces.internal.impl.xs.travers ers.XSDHandler.reportSchemaErr(XSDHandler.java:416 0)
at com.sun.org.apache.xerces.internal.impl.xs.travers ers.XSDHandler.reportSchemaWarning(XSDHandler.java :4151)
at com.sun.org.apache.xerces.internal.impl.xs.travers ers.XSDHandler.getSchemaDocument1(XSDHandler.java: 2493)
at com.sun.org.apache.xerces.internal.impl.xs.travers ers.XSDHandler.getSchemaDocument(XSDHandler.java:2 191)
at com.sun.org.apache.xerces.internal.impl.xs.travers ers.XSDHandler.parseSchema(XSDHandler.java:576)
at com.sun.org.apache.xerces.internal.impl.xs.XMLSche maLoader.loadSchema(XMLSchemaLoader.java:613)
at com.sun.org.apache.xerces.internal.impl.xs.XMLSche maValidator.findSchemaGrammar(XMLSchemaValidator.j ava:2446)
at com.sun.org.apache.xerces.internal.impl.xs.XMLSche maValidator.handleStartElement(XMLSchemaValidator. java:1767)
at com.sun.org.apache.xerces.internal.impl.xs.XMLSche maValidator.startElement(XMLSchemaValidator.java:7 40)
at com.sun.org.apache.xerces.internal.impl.XMLNSDocum entScannerImpl.scanStartElement(XMLNSDocumentScann erImpl.java:374)
at com.sun.org.apache.xerces.internal.impl.XMLNSDocum entScannerImplFragmentContentDriver.next(XMLDocume ntFragmentScannerImpl.java:3132)
at com.sun.org.apache.xerces.internal.impl.XMLDocumen tScannerImplJAXPSAXParser.parse(SAXParserImpl.java :643)
at liquibase.parser.core.xml.XMLChangeLogSAXParser.pa rseToNode(XMLChangeLogSAXParser.java:100)
... 7 more
Caused by: java.net.UnknownHostException: www.liquibase.org
at java.net.AbstractPlainSocketImpl.connect(AbstractP lainSocketImpl.java:184)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.j ava:392)
at java.net.Socket.connect(Socket.java:589)
at java.net.Socket.connect(Socket.java:538)
at sun.net.NetworkClient.doConnect(NetworkClient.java :180)
at sun.net.http://www.http.HttpClient.openServe...ient.java:432)
at sun.net.http://www.http.HttpClient.openServe...ient.java:527)
at sun.net.www.http.HttpClient.<init>(HttpClient.java :211)
at sun.net.www.http.HttpClient.New(HttpClient.java:308)
at sun.net.www.http.HttpClient.New(HttpClient.java:326)
at sun.net.http://www.protocol.http.HttpURLConn...ion.java:1202)
at sun.net.http://www.protocol.http.HttpURLConn...ion.java:1138)
at sun.net.http://www.protocol.http.HttpURLConn...ion.java:1032)
at sun.net.http://www.protocol.http.HttpURLConn...tion.java:966)
at sun.net.http://www.protocol.http.HttpURLConn...ion.java:1546)
at sun.net.http://www.protocol.http.HttpURLConn...ion.java:1474)
at com.sun.org.apache.xerces.internal.impl.XMLEntityM anager.setupCurrentEntity(XMLEntityManager.java:64 7)
at com.sun.org.apache.xerces.internal.impl.XMLVersion Detector.determineDocVersion(XMLVersionDetector.ja va:148)
at com.sun.org.apache.xerces.internal.impl.xs.opti.Sc hemaParsingConfig.parse(SchemaParsingConfig.java:5 82)
at com.sun.org.apache.xerces.internal.impl.xs.opti.Sc hemaParsingConfig.parse(SchemaParsingConfig.java:6 85)
at com.sun.org.apache.xerces.internal.impl.xs.opti.Sc hemaDOMParser.parse(SchemaDOMParser.java:530)
at com.sun.org.apache.xerces.internal.impl.xs.travers ers.XSDHandler.getSchemaDocument(XSDHandler.java:2 179)
... 25 more

I'm missing an internet Connection when doing the install. It might be the problem?