How to parse json array into string for use as parameters later in jmeter?

Question

Sample input as below:

[{"program":"C:/temp/abc.exe","actions":"9","file_name":"abc1","new_file_name":"newabc1","version":"2.0.0.0","product_name":"abc","description":"abc","eventdate":"20160601120000"},{"program":"C:/temp/abc.exe","actions":"9","file_name":"abc2","new_file_name":"newabc2","version":"2.0.0.0","product_name":"abc","description":"abc","eventdate":"20160601120000"}]

I need to parse this json array into string for use in the following http request as parameters. I new to jmeter and tried to follow the example in http://theworkaholic.blogspot.my/2012/05/json-in-jmeter.html but i can't seem to get the value of jsonResponse at last.

[UPDATE] [ enter image description here ]1

Dmitri T · Accepted Answer · 2016-07-12 07:42:48Z

1

Your question is not clear enough, however here are some clues:

If you need to store the whole response into a JMeter Variable for later re-use - go for Regular Expression Extractor configured as follows:
- Reference Name: anythingMeaningful, i.e. jsonResponse
- Regular Expression: (?s)(^.*)
- Template: $1$
If you need 2 separate JSON Objects from the array - JSON Path PostProcessor is available since JMeter 3.0
- $.[0] - for 1st JSON Array item
- $.[1] - for 2nd JSON Array item
If you need anything else - use the same JSON Path PostProcessor. I would recommend getting familiarized with the following material:
- JSONPath - XPath for JSON
- Advanced Usage of the JSON Path Extractor in JMeter

Still no luck - update your question with exact details on how you need to re-use that JSON data in next request(s)

answered Jul 12, 2016 at 7:42

Dmitri T

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2 Comments

sel Over a year ago

Thank you so much for your prompt reply. I have attached screenshot to better explained by question.

Dmitri T Over a year ago

Check out jmeter.log file - it normally contains some information regarding Beanshell error. Also try your code in try block and in catch block use something like log.error("Error", ex) - you will be able to see the stacktrace in jmeter.log file. Also JMeter comes with net.minidev.json, not with org.json - make sure you have the relevant jar in classpath. See How to Use BeanShell: JMeter's Favorite Built-in Component for details

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