ENTITY can't reference itself directly or indirectly.
<!DOCTYPE doc [ <!ENTITY e1 "&e2;"> <!ENTITY e2 "&e3;"> <!ENTITY e3 "&e1;"> <!ELEMENT doc (#PCDATA)> <!ATTLIST doc a CDATA #FIXED "&e1;"> ]> <doc></doc>
| Expected result | Actual result for org.dom4j.io.aelfred.SAXDriver | 
|---|---|
| <?xml version="1.0" encoding="UTF-8"?>
<ConformanceResults>
    <startDocument/>
    <fatalError/>
    <endDocument/>
</ConformanceResults>
 | <?xml version="1.0" encoding="UTF-8"?>
<ConformanceResults>
    <startDocument/>
    <resolveEntity>
        <systemID>file:/home/elharo/SAXTest/xmlconf/xmltest/not-wf/sa/080.xml</systemID>
    </resolveEntity>
    <fatalError/>
    <endDocument/>
</ConformanceResults>
 |