Top "Mule-el" questions

The Mule Expression Language (MEL) is the primary language used for formulating such expressions throughout Mule ESB.

Mule: getting a hold of the exception message

I have a default catch exception in Mule, and I'm trying to get access to the exception message, using a …

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Mule MEL to do substring on a flow variable

I have a variable my_variable with value as a dynamic URL like -- http://stackoverflow.com/questions/ask I …

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How to ignore empty objects in DataWeave Mule esb

I am working on transforming my payload. I have got the situation here. Input payload looks like this below one:…

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Extracting array from JSON in mule esb

I'm using Mule 3.4 CE and I have a JSON data coming through HTTP in the following format: { "People" : [ { "Details" : { "Name" : "…

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How to Check null condition in Data weaver : Mule

Here is my xml, in that first I need to check 'RecordsEntries' should not be 'null', then RecordEntry shouldn't be …

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Length Validation in Dataweave

How to do length validation in Mule Dataweave %dw 1.0 %output application/xml --- (payload default []) map { Field1:$.Field11, Field2:$.Field22, …

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How to use a property variable inside a mule MEL expression?

I'm loading in various values via a property file using context:property-placeholder. I can use the properties for Spring injection …

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Setting Map as payload in Mule Flow using MEL

I am trying to generate and set a map (with 2 key value pairs) on the fly as the payload for …

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How to access Mule flow variables in java code?

Browsing around, I found something that look like below: import org.mule.api.MuleMessage; import org.mule.api.transformer.TransformerException; …

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How to throw exception manually in Mule ESB without using java code

I'm new to mule, please help me on this logic. Actually in my flow i have choice message processor, Expression …

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