Adapter-Specific Attributes Retrieval

Question

Hello,
I am trying to retrieve the filename from the sender message type to be used in the mapping. In order to achieve this I ticked the Adapter-Specific message properties on both Sender and receiver CC. I created a user-defined function FilenameY with the following code to retrieve the file name. I am not importing any packages.
//write your code here
DynamicConfiguration conf = (DynamicConfiguration) container.getTransformationParameters().get(StreamTransformationConstants.DYNAMIC_CONFIGURATION);
DynamicConfigurationKey key = DynamicConfigurationKey.create("http://sap.com/xi/XI/System/File","FileName");
String ourSourceFileName = conf.get(key);
return  ourSourceFileName; 
Unfortunately I am getting the following message when I test mapping TESTMsgMapping. Any ideas why this is happening?????
RuntimeException in Message-Mapping transformation: Exception:[java.lang.NullPointerException] in class com.sap.xi.tf._TESTMsgMapping_ method FilenameY$[com.sap.aii.mappingtool.tf3.rt.Context@32a38dfd]
Thank you
Kathir

Answer 1

Hello Saravana,
That is right we will only get the attribute values at Runtime (we cant test the mapping fully at designtime) but the problem is that I am getting a similar error message at runtime.
During the application mapping
com/sap/xi/tf/_TESTMsgMapping_ a
com.sap.aii.utilxi.misc.api.BaseRuntimeException
was thrown: RuntimeException in Message-Mapping
transformatio~
So I thought the above problem at runtime was down to the message during the message mapping. I am not using any parameters to pass values to the function or using any packages either. Any comments will be gratefully accepted.
Thank you
Kathir