我正在尝试加载OpenJ9 (JDK14)上的Hibernate XML配置,但是由于JAXB不再是JDK的一部分,所以我得到了这个错误:
Caused by: java.lang.ClassNotFoundException: javax.xml.bind.ValidationEventHandler我尝试在:How to resolve java.lang.NoClassDefFoundError: javax/xml/bind/JAXBException in Java 9上遵循一些答案,但似乎没有一个在OpenJ9上工作,当我试图包括任何依赖项时,我得到了以下错误:
Caused by: javax.xml.bind.JAXBException: Implementation of JAXB-API has not been found on module path or classpath.
- with linked exception:
[java.lang.ClassNotFoundException: com.sun.xml.internal.bind.v2.ContextFactory]
at javax.xml.bind.ContextFinder.newInstance(ContextFinder.java:278)
at javax.xml.bind.ContextFinder.find(ContextFinder.java:421)
at javax.xml.bind.JAXBContext.newInstance(JAXBContext.java:721)
at javax.xml.bind.JAXBContext.newInstance(JAXBContext.java:662)
at org.hibernate.boot.cfgxml.internal.JaxbCfgProcessor.unmarshal(JaxbCfgProcessor.java:122)
... 5 more
Caused by: java.lang.ClassNotFoundException: com.sun.xml.internal.bind.v2.ContextFactory
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:788)
at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:1081)
at javax.xml.bind.ServiceLoaderUtil.nullSafeLoadClass(ServiceLoaderUtil.java:122)
at javax.xml.bind.ServiceLoaderUtil.safeLoadClass(ServiceLoaderUtil.java:155)
at javax.xml.bind.ContextFinder.newInstance(ContextFinder.java:276)
... 9 more发布于 2020-06-02 15:14:19
我找到了拼图中缺失的部分,需要在javax.xml.bind.JAXBContextFactory属性中设置系统。
因此,解决方案是将JAXB添加到依赖项列表中:
<dependency>
<groupId>javax.xml.bind</groupId>
<artifactId>jaxb-api</artifactId>
<version>2.3.0</version>
</dependency>
<dependency>
<groupId>org.eclipse.persistence</groupId>
<artifactId>org.eclipse.persistence.moxy</artifactId>
<version>2.7.3</version>
</dependency>然后在代码中(或当JVM启动时)设置system属性,使其指向正确的工厂。
System.setProperty("javax.xml.bind.JAXBContextFactory", "org.eclipse.persistence.jaxb.JAXBContextFactory");最后,因为我是在一个定制的类加载器中运行,所以必须设置ContextClassLoader,否则将找不到工厂。
Thread.currentThread().setContextClassLoader(this.getClass().getClassLoader());https://stackoverflow.com/questions/62130704
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