hi, grovy code below to get flow file:- attrMap = ['myAttr1': '1', 'myAttr2': Integer.toString(2)] flowFile = session.get() if(!flowFile) return flowFile = session.putAllAttributes(flowFile, attrMap) grovy code below to run java jar def command = "java -jar UpdateAppIdXMLRequest.jar file.xml" def process = command.execute() process.waitFor() def output = process.in.text log.info output my question is how to pass flow file to java jar command. Shall i deserilized to disk and pass as file to java command as input file? ... View more