Adding XML Declaration - WSO2

The XML declaration is a processing instruction that identifies the document is in XML format. While working on one of the integration scenarios, I noticed that WSO2 is not sending the XML declaration in the response or backend request message as expected. However, I was able to see it in the log messages. 

To overcome this issue, you can set below the AXIS2 property before sending a message out.

To Add XML declaration:

<property name="WRITE_XML_DECLARATION" scope="axis2" value="true"/>

Also you can use below additional properties to set custom encoding type and set values for standalone.

<property name=XML_DECLARATION_ENCODING" scope="axis2" value="UTF-16"/>

<property name="XML_DECLARATION_STANDALONE" scope="axis2" value="no"/>


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