使用JAXB外部配置文件绑定schema文件

Illegal class inheritance loop.
使用JAXB 2.0以上版本，使用schema文件绑定Java对象，并配置了外部配置文件binding.xjb后，出现这个错误。
现已解决，如下：

1、schema文件po.xsd：

1 <? xml version="1.0" encoding="utf-8" ?>
2 < xs:schema xmlns:xs ="http://www.w3.org/2001/XMLSchema" elementFormDefault ="qualified" attributeFormDefault ="unqualified" >
3    < xs:element name ="AAAA" >
4      < xs:annotation >
5        < xs:documentation > Root </ xs:documentation >
6      </ xs:annotation >
7      < xs:complexType >
8        < xs:sequence >
9          < xs:element name ="DDDD" type ="xs:string" default ="Hello!" />
10          < xs:element name ="VVVV" type ="xs:integer" default ="2008" />
11          < xs:element name ="SA" minOccurs ="0" >
12            < xs:complexType >
13              < xs:sequence >
14                < xs:element name ="BBBB" type ="xs:string" />
15                < xs:element name ="CCCC" type ="xs:string" />
16                < xs:element name ="TTTT" type ="xs:dateTime" minOccurs ="0" />
17                < xs:element name ="PPPP" type ="xs:string" minOccurs ="0" />
18                < xs:element name ="RRRR" type ="xs:base64Binary" />
19                < xs:element name ="CACA" maxOccurs ="unbounded" >
20                  < xs:complexType >
21                    < xs:sequence >
22                      < xs:element name ="CA" type ="xs:base64Binary" maxOccurs ="unbounded" />
23                      < xs:element name ="CRCR" minOccurs ="0" />
24                    </ xs:sequence >
25                  </ xs:complexType >
26                </ xs:element >
27              </ xs:sequence >
28            </ xs:complexType >
29          </ xs:element >
30        </ xs:sequence >
31      </ xs:complexType >
32    </ xs:element >
33 </ xs:schema >

2、外部配置文件binding.xjb：

1 < jxb:bindings version ="1.0"
2                xmlns:jxb ="http://java.sun.com/xml/ns/jaxb"
3                xmlns:xs ="http://www.w3.org/2001/XMLSchema" >
4    < jxb:bindings schemaLocation ="po.xsd" node ="/xs:schema" >
5      < jxb:globalBindings
6           fixedAttributeAsConstantProperty ="false"
7          collectionType ="java.util.Vector"
8          typesafeEnumBase ="xs:NCName"
9          choiceContentProperty ="false"
10          typesafeEnumMemberName ="generateError"
11          enableFailFastCheck ="false"
12          generateIsSetMethod ="false"
13          underscoreBinding ="asCharInWord" />
14      < jxb:schemaBindings >
15        < jxb:package name ="test.po" >
16          < jxb:javadoc > <![CDATA[ <body>Package level documentation for generated package primer.myPo.</body> ]]> </ jxb:javadoc >
17        </ jxb:package >
18        < jxb:nameXmlTransform >
19          < jxb:elementName suffix ="Element" />
20        </ jxb:nameXmlTransform >
21      </ jxb:schemaBindings >
22
23      < jxb:bindings node ="//xs:element[@name='AAAA']" >
24
25        < jxb:class name ="Article" >
26          < jxb:javadoc > A < b>Purchase Order < /b> Article. </ jxb:javadoc >
27        </ jxb:class >
28
29        < jxb:bindings node =".//xs:element[@name='DDDD']" >
30          < jxb:property name ="hi" />
31        </ jxb:bindings >
32
33        < jxb:bindings node =".//xs:element[@name='VVVV']" >
34          < jxb:property name ="year" />
35        </ jxb:bindings >
36
37
38        < jxb:bindings node =".//xs:element[@name='SA']" >
39          < jxb:property name ="content" >
40            < jxb:baseType name ="Content" />
41          </ jxb:property >
42
43          < jxb:bindings node ="./xs:complexType" >
44            < jxb:class name ="Content" />
45
46            < jxb:bindings node =".//xs:element[@name='BBBB']" >
47              < jxb:property name ="title" />
48            </ jxb:bindings >
49
50            < jxb:bindings node =".//xs:element[@name='CCCC']" >
51              < jxb:property name ="subTitle" />
52            </ jxb:bindings >
53
54            < jxb:bindings node =".//xs:element[@name='TTTT']" >
55              < jxb:property name ="pubDate" />
56            </ jxb:bindings >
57
58            < jxb:bindings node =".//xs:element[@name='PPPP']" >
59              < jxb:property name ="organize" />
60            </ jxb:bindings >
61
62            < jxb:bindings node =".//xs:element[@name='RRRR']" >
63              < jxb:property name ="contentBinary" />
64            </ jxb:bindings >
65
66            < jxb:bindings node =".//xs:element[@name='CACA']" >
67              < jxb:property name ="licence" >
68                < jxb:baseType name ="Licence" />
69              </ jxb:property >
70
71              < jxb:bindings node ="./xs:complexType" >
72                < jxb:class name ="Licence" />
73                < jxb:bindings node =".//xs:element[@name='CA']" >
74                  < jxb:property name ="licenceBinary" />
75                </ jxb:bindings >
76                < jxb:bindings node =".//xs:element[@name='CRCR']" >
77                  < jxb:property name ="licenceNo" />
78                </ jxb:bindings >
79              </ jxb:bindings >
80            </ jxb:bindings >
81      </ jxb:bindings >
82
83        </ jxb:bindings >
84
85      </ jxb:bindings >
86
87
88    </ jxb:bindings >
89 </ jxb:bindings >

3、运行：

1 xjc -b binding.xjb -d gen po.xsd

完毕！

使用JAXB外部配置文件绑定schema文件

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