[AXIOM-485] Pull parser loops infinitely attempting to count namespaces for document with redundant namespaces

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.2.19
• Fix Version/s: 1.2.20
• Component/s: LLOM
• Environment: openjdk version "1.8.0_91"; OpenJDK Runtime Environment (build 1.8.0_91-b14); OpenJDK Server VM (build 25.91-b14, mixed mode); ; running on Fedora release 22 (Twenty Two)
• Assignee: Andreas Veithen
• Reporter: Sergey Kuznetsov
• Created: 28/Aug/16 00:43
• Updated: 28/Aug/16 15:04
• Resolved: 28/Aug/16 15:04

Description

Method org.apache.axiom.om.impl.common.serializer.pull.Navigator#loadNamespaces getting stuck in while-true loop when document has multiple redundant namespace declarations like this one

<?xml version="1.0" encoding="UTF-8"?>
<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/"
                  xmlns:m="ns://example">
    <soapenv:Header/>
    <soapenv:Body>
        <m:exampleRequest xmlns:m="ns://example">
            <id>1</id>
        </m:exampleRequest>
    </soapenv:Body>
</soapenv:Envelope>