JRE升级至1.8_341后出现java.lang.NoClassDefFoundError异常求助
2026-8-20
问题
将系统JRE从1.8_331升级至1.8_341后，运行应用时抛出java.lang.NoClassDefFoundError: javax/xml/soap/SOAPException异常，具体报错栈如下：
SEVERE: java.lang.NoClassDefFoundError: javax/xml/soap/SOAPException at org.apache.axis.configuration.FileProvider.configureEngine(FileProvider.java:179) at org.apache.axis.AxisEngine.init(AxisEngine.java:172) at org.apache.axis.AxisEngine.<init>(AxisEngine.java:156) at org.apache.axis.client.AxisClient.<init>(AxisClient.java:52) at org.apache.axis.client.Service.getAxisClient(Service.java:104) at org.apache.axis.client.Service.<init>(Service.java:113) ...... at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91) at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:150) at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:76) at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399) at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:71) at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116) at com.google.common.eventbus.EventBus.post(EventBus.java:217) at com.abb.se.ppc.client.ClientSessionControl.createNewModel(ClientSessionControl.java:336) at com.abb.se.ppc.client.ui.dialog_windows.ModelCreationWindow$2.buttonClick(ModelCreationWindow.java:121) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at com.vaadin.event.ListenerMethod.receiveEvent(ListenerMethod.java:510) at com.vaadin.event.EventRouter.fireEvent(EventRouter.java:200) at com.vaadin.event.EventRouter.fireEvent(EventRouter.java:163) at com.vaadin.server.AbstractClientConnector.fireEvent(AbstractClientConnector.java:1015) at com.vaadin.ui.Button.fireClick(Button.java:377) at com.vaadin.ui.Button$1.click(Button.java:54) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at com.vaadin.server.ServerRpcManager.applyInvocation(ServerRpcManager.java:158) at com.vaadin.server.ServerRpcManager.applyInvocation(ServerRpcManager.java:119) at com.vaadin.server.communication.ServerRpcHandler.handleInvocation(ServerRpcHandler.java:432) at com.vaadin.server.communication.ServerRpcHandler.handleInvocations(ServerRpcHandler.java:404) at com.vaadin.server.communication.ServerRpcHandler.handleRpc(ServerRpcHandler.java:273) at com.vaadin.server.communication.UidlRequestHandler.synchronizedHandleRequest(UidlRequestHandler.java:90) at com.vaadin.server.SynchronizedRequestHandler.handleRequest(SynchronizedRequestHandler.java:41) at com.vaadin.server.VaadinService.handleRequest(VaadinService.java:1422) at com.vaadin.server.VaadinServlet.service(VaadinServlet.java:379) at javax.servlet.http.HttpServlet.service(HttpServlet.java:764) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:227) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:197) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:541) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:135) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92) at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:687) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:360) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:399) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:889) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1743) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191) at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.base/java.lang.Thread.run(Thread.java:834) Caused by: java.lang.ClassNotFoundException: javax/xml/soap/SOAPException at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1407) at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1215) ... 77 more
已尝试以下操作但未解决问题：
- 添加Axis JAR包至类路径
- 将编译器合规级别从16修改为1.8
当前环境：JRE 1.8_341、JDK 14.0.2
解决建议
核心原因
javax.xml.soap.SOAPException属于JAX-WS相关API，Oracle JDK 8的后期版本（包括1.8_341）中，这类API被移出了默认JRE类库，需手动引入对应依赖包。
具体步骤
引入JAX-WS API及实现依赖：
若用Maven管理项目，在pom.xml中添加：<dependency> <groupId>javax.xml.soap</groupId> <artifactId>javax.xml.soap-api</artifactId> <version>1.4.0</version> </dependency> <dependency> <groupId>com.sun.xml.messaging.saaj</groupId> <artifactId>saaj-impl</artifactId> <version>1.5.2</version> <scope>runtime</scope> </dependency>未使用构建工具时，手动下载
javax.xml.soap-api-1.4.0.jar和saaj-impl-1.5.2.jar，放入项目WEB-INF/lib目录或应用服务器类路径。统一JDK/JRE版本：
当前混用JDK14和JRE8易引发类加载冲突，建议统一使用与JRE1.8_341匹配的JDK8编译、运行项目。验证类路径配置：
- 检查Tomcat的
webapps/[你的应用]/WEB-INF/lib目录是否存在上述两个JAR包； - 若放在服务器全局类路径，确认
CATALINA_BASE/lib或CATALINA_HOME/lib下的包版本正确，无旧版本冲突。
- 检查Tomcat的
确认Axis版本兼容性：
使用与JRE1.8_341兼容的Axis 1.4最新版本，避免旧版本Axis不支持JRE后期API变更的问题。
内容的提问来源于stack exchange，提问作者Abikrish
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