Java heap space error when creating a long XML element through appendChild
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Key: MASHUP-907
URL: https://wso2.org/jira/browse/MASHUP-907
Project: WSO2 Mashup Server
Issue Type: Bug
Reporter: Jonathan Marsh
Assignee: Channa Gunawardena
Can we run a memory profiler on the following mashup?
testXMLText.outputType = "#raw";
function testXMLText() {
var output = "<test>";
for (var i=0; i<2000; i++) {
output += "<number>" + i + "</number>";
}
output += "</test>";
return new XML(output);
}
testXML.outputType = "#raw";
function testXML() {
var output = <test/>;
for (var i=0; i<2000; i++) {
output.appendChild(<number>{i}</number>);
}
return output;
}
Intuitively, I would expect the memory requirements of the first function to be
greater (requires both a string representation, and an XML object
representation, of the XML document to be held in memory.) Instead, the latter
chugs for a while and then generates java.lang.OutOfMemoryError: Java heap
space. First function works fine and speedily.
Could it be that the appendChild method is leaking?
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