Problem using axis2 and WebSphere 7, Axiom and httpclient error

I have been using axis2 as a connector for consume WS. In most environment runs OK but whren I use WebSphere, I have this error:

[2/21/12 18:09:10:761 CLST] 0000075e servlet E com.ibm.ws.webcontainer.servlet.ServletWrapper service SRVE0068E: Se ha creado una excepción no detectada en uno de los métodos de servicio d
el servlet Process en la aplicación war-debug. Excepción creada: java.lang.NoSuchMethodError: org/apache/axiom/om/OMFactory.getMetaFactory()Lorg/apache/axiom/om/OMMetaFactory
;
at org.apache.axiom.om.OMXMLBuilderFactory.createOMBuilder(OMXMLBuilderFactory.java:184)
at org.apache.axiom.om.OMXMLBuilderFactory.createOMBuilder(OMXMLBuilderFactory.java:168)
at org.apache.axiom.om.util.AXIOMUtil.stringToOM(AXIOMUtil.java:54)
at org.apache.axiom.om.util.AXIOMUtil.stringToOM(AXIOMUtil.java:39)

I downloaded axis2 and I use the same dependencies that you propose for run, this dependencies are:
axiom-api-1.2.12.jar
axiom-dom-1.2.12.jar
axiom-impl-1.2.12.jar

If I change this library to 1.2.9 version runs OK but I have another error but with commons httpclient.

java.lang.ClassCastException: org.apache.commons.httpclient.HttpClient incompatible with org.apache.commons.httpclient.HttpClientjava.lang.ClassCastException: org.apache.commons.httpclient.HttpClient incompatible with org.apache.commons.httpclient.HttpClient
at org.apache.axis2.transport.http.AbstractHTTPSender.getHttpClient(AbstractHTTPSender.java:483)
at org.apache.axis2.transport.http.HTTPSender.sendViaPost(HTTPSender.java:156)
at org.apache.axis2.transport.http.HTTPSender.send(HTTPSender.java:75)
at org.apache.axis2.transport.http.CommonsHTTPTransportSender.writeMessageWithCommons(CommonsHTTPTransportSender.java:371)
at org.apache.axis2.transport.http.CommonsHTTPTransportSender.invoke(CommonsHTTPTransportSender.java:210)
at org.apache.axis2.engine.AxisEngine.send(AxisEngine.java:452)
at org.apache.axis2.description.OutInAxisOperationClient.send(OutInAxisOperation.java:401)
at org.apache.axis2.description.OutInAxisOperationClient.executeImpl(OutInAxisOperation.java:228)
at org.apache.axis2.client.OperationClient.execute(OperationClient.java:163)
at org.apache.axis2.client.ServiceClient.sendReceive(ServiceClient.java:549)
at org.apache.axis2.client.ServiceClient.sendReceive(ServiceClient.java:529)

That problem appear when I try to reuse the httpclient (using commons-httpclient-3.1)

So.. I don't know how can follow with this kind of problem (only with websphere).

I appreciate any help.

For now... Im using axiom 1.2.9 and search for more information about the httpclient error.