Re : Exception: Unknown Liquibase extension

Hello,
here is the output, when running liquibase:
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D:\tmp\liqui_test>java -jar D:\tmp\liquibase-3.1.1-bin\liquibase.jar --changeLogFile=EV_Test.xml update
DEBUG 03.02.14 08:37:liquibase: Connected to sa@jdbc:jtds:sqlserver://itdeblgm30728:1433;databaseName=v21p1_lb
DEBUG 03.02.14 08:37:liquibase: Setting auto commit to false from true
DEBUG 03.02.14 08:37:liquibase: Executing QUERY database command: select schema_name()
DEBUG 03.02.14 08:37:liquibase: Executing QUERY database command: SELECT CONVERT(varchar(100), SERVERPROPERTY('COLLATION'))
DEBUG 03.02.14 08:37:liquibase: Executing QUERY database command: select count(*) from [dbo].[DATABASECHANGELOGLOCK]
DEBUG 03.02.14 08:37:liquibase: Executing QUERY database command: SELECT [LOCKED] FROM [dbo].[DATABASECHANGELOGLOCK] WHERE [ID]=1
DEBUG 03.02.14 08:37:liquibase: Lock Database
DEBUG 03.02.14 08:37:liquibase: Executing UPDATE database command: UPDATE [dbo].[DATABASECHANGELOGLOCK] SET [LOCKED] = 1, [LOCKEDBY] = 'ITDEBLGM30728
(172.29.128.38)', [LOCKGRANTED] = '2014-02-03T08:37:49.797' WHERE [ID] = 1 AND [LOCKED] = 0
INFO 03.02.14 08:37:liquibase: Successfully acquired change log lock
SEVERE 03.02.14 08:37:liquibase: Error thrown as a SAXException: Unknown Liquibase extension: helloWorld.  Are you missing a jar from your classpath?
org.xml.sax.SAXException: Unknown Liquibase extension: helloWorld.  Are you missing a jar from your classpath?
        at liquibase.parser.core.xml.XMLChangeLogSAXHandler.startElement(XMLChangeLogSAXHandler.java:393)
        at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.startElement(Unknown Source)
        at com.sun.org.apache.xerces.internal.parsers.AbstractXMLDocumentParser.emptyElement(Unknown Source)
        at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.emptyElement(Unknown Source)
        at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.scanStartElement(Unknown Source)
        at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(Unknown Source)
        at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(Unknown Source)
        at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(Unknown Source)
        at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
        at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source)
        at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source)
        at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(Unknown Source)
        at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(Unknown Source)
        at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)
        at liquibase.parser.core.xml.XMLChangeLogSAXParser.parse(XMLChangeLogSAXParser.java:101)
        at liquibase.Liquibase.getDatabaseChangeLog(Liquibase.java:216)
        at liquibase.Liquibase.update(Liquibase.java:194)
        at liquibase.Liquibase.update(Liquibase.java:181)
        at liquibase.integration.commandline.Main.doMigration(Main.java:880)
        at liquibase.integration.commandline.Main.main(Main.java:133)
org.xml.sax.SAXException: Unknown Liquibase extension: helloWorld.  Are you missing a jar from your classpath?
        at liquibase.parser.core.xml.XMLChangeLogSAXHandler.startElement(XMLChangeLogSAXHandler.java:393)
        at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.startElement(Unknown Source)
        at com.sun.org.apache.xerces.internal.parsers.AbstractXMLDocumentParser.emptyElement(Unknown Source)
        at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.emptyElement(Unknown Source)
        at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.scanStartElement(Unknown Source)
        at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(Unknown Source)
        at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(Unknown Source)
        at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(Unknown Source)
        at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
        at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source)
        at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source)
        at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(Unknown Source)
        at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(Unknown Source)
        at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)
        at liquibase.parser.core.xml.XMLChangeLogSAXParser.parse(XMLChangeLogSAXParser.java:101)
        at liquibase.Liquibase.getDatabaseChangeLog(Liquibase.java:216)
        at liquibase.Liquibase.update(Liquibase.java:194)
        at liquibase.Liquibase.update(Liquibase.java:181)
        at liquibase.integration.commandline.Main.doMigration(Main.java:880)
        at liquibase.integration.commandline.Main.main(Main.java:133)
DEBUG 03.02.14 08:37:liquibase: Release Database Lock
DEBUG 03.02.14 08:37:liquibase: Executing UPDATE database command: UPDATE [dbo].[DATABASECHANGELOGLOCK] SET [LOCKED] = 0, [LOCKEDBY] = NULL, [LOCKGRAN
TED] = NULL WHERE [ID] = 1
INFO 03.02.14 08:37:liquibase: Successfully released change log lock
Liquibase update Failed: Invalid Migration File: Unknown Liquibase extension: helloWorld.  Are you missing a jar from your classpath?
SEVERE 03.02.14 08:37:liquibase: Invalid Migration File: Unknown Liquibase extension: helloWorld.  Are you missing a jar from your classpath?
liquibase.exception.ChangeLogParseException: Invalid Migration File: Unknown Liquibase extension: helloWorld.  Are you missing a jar from your classpa
th?
        at liquibase.parser.core.xml.XMLChangeLogSAXParser.parse(XMLChangeLogSAXParser.java:135)
        at liquibase.Liquibase.getDatabaseChangeLog(Liquibase.java:216)
        at liquibase.Liquibase.update(Liquibase.java:194)
        at liquibase.Liquibase.update(Liquibase.java:181)
        at liquibase.integration.commandline.Main.doMigration(Main.java:880)
        at liquibase.integration.commandline.Main.main(Main.java:133)
Caused by: org.xml.sax.SAXException: Unknown Liquibase extension: helloWorld.  Are you missing a jar from your classpath?
org.xml.sax.SAXException: Unknown Liquibase extension: helloWorld.  Are you missing a jar from your classpath?
        at liquibase.parser.core.xml.XMLChangeLogSAXHandler.startElement(XMLChangeLogSAXHandler.java:508)
        at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.startElement(Unknown Source)
        at com.sun.org.apache.xerces.internal.parsers.AbstractXMLDocumentParser.emptyElement(Unknown Source)
        at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.emptyElement(Unknown Source)
        at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.scanStartElement(Unknown Source)
        at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(Unknown Source)
        at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(Unknown Source)
        at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(Unknown Source)
        at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
        at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source)
        at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source)
        at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(Unknown Source)
        at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(Unknown Source)
        at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)
        at liquibase.parser.core.xml.XMLChangeLogSAXParser.parse(XMLChangeLogSAXParser.java:101)
        ... 5 more
Caused by: org.xml.sax.SAXException: Unknown Liquibase extension: helloWorld.  Are you missing a jar from your classpath?
        at liquibase.parser.core.xml.XMLChangeLogSAXHandler.startElement(XMLChangeLogSAXHandler.java:393)
        ... 19 more
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maybe also of interest the property-file:
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#liquibase.properties
driver: net.sourceforge.jtds.jdbc.Driver
classpath: D:/tmp/liquibase-3.1.1-bin/lib/jtds-1.3.1.jar;D:/tmp/liquibase-3.1.1-bin/lib/adbFile.jar;D:/tmp/liqui_test
url: jdbc:jtds:sqlserver://itdeblgm30728:1433;databaseName=v21p1_lb
username: sa
password: xxxxx
logLevel: debug
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