I was mistakenly blaming Perl for my problem. It seems that the real cause lies within the XML generated by the SOAP call:
<?xml version="1.0" encoding="UTF-8"?>
<soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" x
+mlns:soapenc="http://schemas.xmlsoap.org/soap/encoding/" xmlns:xsd="h
+ttp://www.w3.org/2001/XMLSchema" soap:encodingStyle="http://schemas.x
+mlsoap.org/soap/encoding/" xmlns:soap="http://schemas.xmlsoap.org/soa
+p/envelope/"><soap:Body><loadPathwayForId><identifier xsi:type="xsd:i
+nt">68886</identifier></loadPathwayForId></soap:Body></soap:Envelope>

[download]

I just have to somehow get xsi:type to say "xsd:long" instead of "xsd:int".

In reply to Re^2: Force integer to occupy 64 bits (bytes) by yuhang91
in thread Force integer to occupy 64 bits by yuhang91

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