SOAP-AXIS Sender Adapter error - java.lang.LinkageError: org/apache/commons/logging/Log

Hi Experts,

I have done the interface according to the below blog, the interface worked fine and stop working and adapter not polling from the site, when I do the xpi inspector I found the below error in the log, can anyone please let me know what could be the problem for this.

Execution of Runnable [null] throws the following Error [java.lang.LinkageError: org/apache/commons/logging/Log]. [EXCEPTION] java.lang.LinkageError: org/apache/commons/logging/Log at com.sap.aii.adapter.axis.ra.transport.http.HTTPGetter.getSocket(HTTPGetter.java:30) at com.sap.aii.axis.transport.http.HTTPGetter.writeToSocket(HTTPGetter.java:334) at com.sap.aii.axis.transport.http.HTTPGetter.getContent(HTTPGetter.java:215) at com.sap.aii.axis.transport.http.HTTPGetter.receive(HTTPGetter.java:156) at com.sap.aii.adapter.axis.ra.task.ReceiverTask.invoke(ReceiverTask.java:44) at com.sap.aii.af.lib.scheduler.JobBroker$Worker.run(JobBroker.java:529) at com.sap.engine.core.thread.impl3.ActionObject.run(ActionObject.java:37) at java.security.AccessController.doPrivileged(Native Method) at com.sap.engine.core.thread.impl3.SingleThread.execute(SingleThread.java:185) at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:302)

http://scn.sap.com/community/pi-and-soa-middleware/blog/2012/01/05/michals-pi-tips-exchange-rates-from-an-xml-file-on-a-web-page--rest-axis

Thanks in advance.

Praveen