1、jdk8升级到jdk11 问题汇总以及解决?
Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2021 11月 18 14:50:30.852 [main] ERROR o.s.boot.SpringApplication:858- Application run failed
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'xmlModelPlugin': Lookup method resolution failed; nested exception is java.lang.IllegalStateException: Failed to introspect Class [springfox.documentation.schema.XmlModelPlugin] from ClassLoader [jdk.internal.loader.ClassLoaders$AppClassLoader@2437c6dc]
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.determineCandidateConstructors(AutowiredAnnotationBeanPostProcessor.java:265)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.determineConstructorsFromBeanPostProcessors(AbstractAutowireCapableBeanFactory.java:1253)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1168)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:555)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:515)
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:320)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:849)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:877)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:549)
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:142)
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:775)
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:316)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1260)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1248)
at com.ici.ZnlxApplication.main(ZnlxApplication.java:12)
Caused by: java.lang.IllegalStateException: Failed to introspect Class [springfox.documentation.schema.XmlModelPlugin] from ClassLoader [jdk.internal.loader.ClassLoaders$AppClassLoader@2437c6dc]
at org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java:686)
at org.springframework.util.ReflectionUtils.doWithMethods(ReflectionUtils.java:583)
at org.springframework.util.ReflectionUtils.doWithMethods(ReflectionUtils.java:568)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.determineCandidateConstructors(AutowiredAnnotationBeanPostProcessor.java:248)
... 18 common frames omitted
Caused by: java.lang.NoClassDefFoundError: javax/xml/bind/annotation/XmlType
at java.base/java.lang.Class.getDeclaredMethods0(Native Method)
at java.base/java.lang.Class.privateGetDeclaredMethods(Class.java:3166)
at java.base/java.lang.Class.getDeclaredMethods(Class.java:2309)
at org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java:668)
... 21 common frames omitted
Caused by: java.lang.ClassNotFoundException: javax.xml.bind.annotation.XmlType
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:581)
at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)
... 25 common frames omitted
Disconnected from the target VM, address: '127.0.0.1:63847', transport: 'socket'
Process finished with exit code 1
原因是缺少jar包,先将jar包补上!!!
====================================================================
<!-- java.lang.ClassNotFoundException: javax.xml.bind.JAXBException/javax.xml.bind.annotation.XmlType问题解决 -->
<dependency>
<groupId>javax.xml.bind</groupId>
<artifactId>jaxb-api</artifactId>
<version>2.3.0</version>
</dependency>
<dependency>
<groupId>com.sun.xml.bind</groupId>
<artifactId>jaxb-impl</artifactId>
<version>2.3.0</version>
</dependency>
<dependency>
<groupId>com.sun.xml.bind</groupId>
<artifactId>jaxb-core</artifactId>
<version>2.3.0</version>
</dependency>
<dependency>
<groupId>javax.activation</groupId>
<artifactId>activation</artifactId>
<version>1.1.1</version>
</dependency>
==============================================================
如果补上后,还是不行,检查idea 按以下步骤:
1)修改setting


2)修改project struct



如果以上信息全部检查通过还是不起作用,则手动将jar包进行导入.

亲测有效
Spring Boot 2 JDK11升级问题:Neo4j连接错误Caused by NoClassDefFoundError: javax/xml/bind/annotation/XmlType
在将Spring Boot 2项目从JDK8升级到JDK11后,遇到启动失败的问题,报错信息涉及'javax.xml.bind.annotation.XmlType'缺失。解决方案包括检查并添加缺失的jar包,以及检查IDE设置和项目结构。手动导入jar包后问题得到解决。
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