CODEWITHSUNDEEP
xmljsongrails
Igor
Igor

Reputation: 33992

Grails NoClassDefFoundError: nu/xom/Serializer

I am trying to convert JSON to XML in Grails via:

import net.sf.json.JSONObject
import net.sf.json.xml.XMLSerializer
...

String convertToXmlString(jsonString) {
    JSONObject json = JSONObject.fromObject(jsonString)
    String xml = new XMLSerializer().write( json )

    return xml
}

but when I try to run the code I get the exception:

Caused by: java.lang.ClassNotFoundException: nu.xom.Serializer
    at org.codehaus.groovy.tools.RootLoader.findClass(RootLoader.java:156)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
    at org.codehaus.groovy.tools.RootLoader.loadClass(RootLoader.java:128)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:247)

I haven't run into something like this before. Aren't I importing all of the necessary classes? I have imported the json-lib jar into my /lib folder, and run grails compile --refresh-dependencies. Is there another step I need to run?

I'm open to other ways of converting JSON/maps -> XML/strings and back, but this issue seems like it should be easily fixed.

Upvotes: 1

Views: 2602

Answers (1)

tavi
tavi

Reputation: 680

You can use the grails.converters to accomplish this:

import grails.converters.JSON
import grails.converters.XML

def o = JSON.parse("{ foo: 'bar' }") // creates a JSONObject
def x = o as XML // creates an XML
println x
def s = x as String // create the String representing the XML
println s

Result will be like:

<?xml version="1.0" encoding="UTF-8"?><map><entry key="foo">bar</entry></map>
<?xml version="1.0" encoding="UTF-8"?><map><entry key="foo">bar</entry></map>

Upvotes: 1

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