org.xmlpull.v1.XmlPullParserException: No valid serializer classes found

Hi All,  

I'm trying to integrate Google Content API,that uses the kxml2-2.3.0.jar
It gives me the below error on runtime :-

    [java] Message: Service [testProductExport] target threw an
unexpected exception (org.xmlpull.v1.XmlPullParserException: No valid
serializer classes found in resource /META-INF/services/
org.xmlpull.v1.XmlPullParserFactory that contained
'org.xmlpull.mxp1.MXParser,org.xmlpull.mxp1_serializer.MXSerializer')
     [java] ---- cause
---------------------------------------------------------------------
     [java] Exception: java.lang.IllegalArgumentException
     [java] Message: org.xmlpull.v1.XmlPullParserException: No valid
serializer classes found in resource /META-INF/services/
org.xmlpull.v1.XmlPullParserFactory that contained
'org.xmlpull.mxp1.MXParser,org.xmlpull.mxp1_serializer.MXSerializer'
     [java] ---- cause
---------------------------------------------------------------------
     [java] Exception: org.xmlpull.v1.XmlPullParserException
     [java] Message: No valid serializer classes found in resource /
META-INF/services/org.xmlpull.v1.XmlPullParserFactory that contained
'org.xmlpull.mxp1.MXParser,org.xmlpull.mxp1_serializer.MXSerializer'
     [java] ---- stack trace
---------------------------------------------------------------
     [java] org.xmlpull.v1.XmlPullParserException: No valid serializer
classes found in resource /META-INF/services/
org.xmlpull.v1.XmlPullParserFactory that contained
'org.xmlpull.mxp1.MXParser,org.xmlpull.mxp1_serializer.MXSerializer'
     [java]
org.xmlpull.v1.XmlPullParserFactory.newSerializer(XmlPullParserFactory.java:
223)
     [java]
com.google.api.client.xml.DefaultXmlParserFactory.createSerializer(DefaultXmlParserFactory.java:
47)
     [java] com.google.api.client.xml.Xml.createSerializer(Xml.java:
46)
     [java]
com.google.api.client.xml.XmlNamespaceDictionary.toStringOf(XmlNamespaceDictionary.java:
90)
     [java]
com.google.api.client.xml.GenericXml.toString(GenericXml.java:41)
     [java] java.lang.String.valueOf(String.java:2826)
     [java] java.lang.StringBuilder.append(StringBuilder.java:115) 

Could someone please help me out with this?
Thanks in advance.



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