我正在尝试为我的某些对象实现两种不同的映射。
第一个映射是在我的类上使用 JAXB 注释完成的。运行良好。
第二个映射非常简单:它应该采用每个 Java 属性。
为此,我编写了一个非常简单的 xml 绑定文件:
<?xml version="1.0"?>
<xml-bindings xmlns="http://www.eclipse.org/eclipselink/xsds/persistence/oxm"
package-name="com.foo" xml-mapping-metadata-complete="true">
<java-types>
<java-type name="com.foo.OverridedMappingClass" xml-accessor-type="FIELD">
</java-type>
<java-type name="com.foo.OverridedMappingClass2" xml-accessor-type="FIELD">
</java-type>
</java-types>
</xml-bindings>
当我尝试初始化 JAXBContext 时出现问题:
Map<String, Object> props = new HashMap<String, Object>();
List<String> bindings = new ArrayList<String>();
bindings.add("com/bindings/bindings-foo.xml");
props.put(JAXBContextProperties.OXM_METADATA_SOURCE, bindings);
try
{
jaxbContext = JAXBContext.newInstance(new Class[] { OverridedMappingClass, OverridedMappingClass2}, props);
}
catch (JAXBException e)
{
m_logger.error("Could not build the JAXBContext", e);
}
出现以下异常
javax.xml.bind.JAXBException: 24
- with linked exception:
[java.lang.ArrayIndexOutOfBoundsException: 24]
at org.eclipse.persistence.jaxb.JAXBContext$TypeMappingInfoInput.createContextState(JAXBContext.java:1059)
at org.eclipse.persistence.jaxb.JAXBContext.<init>(JAXBContext.java:182)
at org.eclipse.persistence.jaxb.JAXBContextFactory.createContext(JAXBContextFactory.java:165)
at org.eclipse.persistence.jaxb.JAXBContextFactory.createContext(JAXBContextFactory.java:152)
at org.eclipse.persistence.jaxb.JAXBContextFactory.createContext(JAXBContextFactory.java:112)
at org.eclipse.persistence.jaxb.JAXBContextFactory.createContext(JAXBContextFactory.java:102)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at javax.xml.bind.ContextFinder.newInstance(ContextFinder.java:211)
at javax.xml.bind.ContextFinder.find(ContextFinder.java:340)
at javax.xml.bind.JAXBContext.newInstance(JAXBContext.java:574)
Caused by: java.lang.ArrayIndexOutOfBoundsException: 24
at org.eclipse.persistence.internal.libraries.asm.Type.getType(Unknown Source)
at org.eclipse.persistence.internal.libraries.asm.Type.getArgumentTypes(Unknown Source)
at org.eclipse.persistence.internal.libraries.asm.MethodWriter.visitMaxs(Unknown Source)
at org.eclipse.persistence.jaxb.compiler.MappingsGenerator.generateMapEntryClass(MappingsGenerator.java:2003)
at org.eclipse.persistence.jaxb.compiler.MappingsGenerator.generateMapEntryClassAndDescriptor(MappingsGenerator.java:1941)
at org.eclipse.persistence.jaxb.compiler.MappingsGenerator.generateCompositeCollectionMapping(MappingsGenerator.java:2125)
at org.eclipse.persistence.jaxb.compiler.MappingsGenerator.generateMapping(MappingsGenerator.java:798)
at org.eclipse.persistence.jaxb.compiler.MappingsGenerator.generateMappings(MappingsGenerator.java:2464)
at org.eclipse.persistence.jaxb.compiler.MappingsGenerator.generateMappings(MappingsGenerator.java:2424)
at org.eclipse.persistence.jaxb.compiler.MappingsGenerator.generateProject(MappingsGenerator.java:246)
at org.eclipse.persistence.jaxb.compiler.Generator.generateProject(Generator.java:188)
at org.eclipse.persistence.jaxb.JAXBContext$TypeMappingInfoInput.createContextState(JAXBContext.java:1064)
at org.eclipse.persistence.jaxb.JAXBContext$TypeMappingInfoInput.createContextState(JAXBContext.java:1056)
... 19 more
有关信息:类 OverridedMappingClass 扩展了另一个包中的抽象类。这个抽象类是JAXB注释的,我应该如何管理它?我是否必须为存在映射类的每个包编写 XML,或者是否有办法将其重新组合到同一个文件中?
我正在使用 eclipseLink-plugins 中的以下 3 个捆绑包
org.eclipse.persistence.asm_3.3.1.v201302191223.jar
org.eclipse.persistence.core_2.6.0.v20130912-6b5e067.jar
org.eclipse.persistence.moxy_2.6.0.v20130912-6b5e067.jar
欢迎任何帮助!