When running a request with MethodName will give the following error
<ns:ExceptionReport xmlns:ns="http://www.opengis.net/ows/1.1"><ns:Exception exceptionCode="NoApplicableCode"><ns:ExceptionText>Error while executing the embedded process for: org.intamap.wps.Interpolate</ns:ExceptionText></ns:Exception><ns:Exception exceptionCode="JAVA_StackTrace"><ns:ExceptionText>org.n52.wps.server.request.ExecuteRequest.call:450
org.n52.wps.server.request.ExecuteRequest.call:70
java.util.concurrent.FutureTask$Sync.innerRun:303
java.util.concurrent.FutureTask.run:138
java.util.concurrent.ThreadPoolExecutor$Worker.runTask:885
java.util.concurrent.ThreadPoolExecutor$Worker.run:907
java.lang.Thread.run:619
</ns:ExceptionText></ns:Exception><ns:Exception exceptionCode="JAVA_RootCause"><ns:ExceptionText>4</ns:ExceptionText><ns:ExceptionText>org.intamap.wps.Interpolate.openRServe:-1
org.intamap.wps.Interpolate.run:-1
org.n52.wps.server.request.ExecuteRequest.call:447
org.n52.wps.server.request.ExecuteRequest.call:70
java.util.concurrent.FutureTask$Sync.innerRun:303
java.util.concurrent.FutureTask.run:138
java.util.concurrent.ThreadPoolExecutor$Worker.runTask:885
java.util.concurrent.ThreadPoolExecutor$Worker.run:907
java.lang.Thread.run:619
SIC97 set that generates the error