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Posted to commits@servicecomb.apache.org by GitBox <gi...@apache.org> on 2021/08/17 14:14:37 UTC
[GitHub] [servicecomb-java-chassis] lioil9 opened a new issue #2514: 以springboot外置tomcat, REST over Servlet形式指定cse监听器，会报空指针异常然后直接退出服务
lioil9 opened a new issue #2514:
URL: https://github.com/apache/servicecomb-java-chassis/issues/2514
错误信息：
```log
17-Aug-2021 22:07:40.707 信息 [RMI TCP Connection(3)-127.0.0.1] org.apache.catalina.core.ApplicationContext.log 2 Spring WebApplicationInitializers detected on classpath
17-Aug-2021 22:07:43.395 信息 [RMI TCP Connection(3)-127.0.0.1] org.apache.catalina.core.ApplicationContext.log Initializing Spring embedded WebApplicationContext
17-Aug-2021 22:08:03.800 严重 [RMI TCP Connection(3)-127.0.0.1] org.apache.catalina.core.StandardContext.listenerStart 异常将上下文初始化事件发送到类的侦听器实例.[org.apache.servicecomb.transport.rest.servlet.RestServletContextListener]
java.lang.Error: java.lang.**NullPointerException**
at org.apache.servicecomb.transport.rest.servlet.RestServletContextListener.contextInitialized(RestServletContextListener.java:33)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4768)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5230)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:726)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:698)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:696)
at org.apache.catalina.startup.HostConfig.manageApp(HostConfig.java:1783)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:293)
at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819)
at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801)
at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:460)
at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:408)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:293)
at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819)
at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801)
at com.sun.jmx.remote.security.MBeanServerAccessController.invoke(MBeanServerAccessController.java:468)
at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1468)
at javax.management.remote.rmi.RMIConnectionImpl.access$300(RMIConnectionImpl.java:76)
at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1309)
at java.security.AccessController.doPrivileged(Native Method)
at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1408)
at javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:829)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:357)
at sun.rmi.transport.Transport$1.run(Transport.java:200)
at sun.rmi.transport.Transport$1.run(Transport.java:197)
at java.security.AccessController.doPrivileged(Native Method)
at sun.rmi.transport.Transport.serviceCall(Transport.java:196)
at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:573)
at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:834)
at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:688)
at java.security.AccessController.doPrivileged(Native Method)
at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:687)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.NullPointerException
at org.apache.servicecomb.transport.rest.servlet.RestServletInjector.inject(RestServletInjector.java:56)
at org.apache.servicecomb.transport.rest.servlet.RestServletInjector.defaultInject(RestServletInjector.java:38)
at org.apache.servicecomb.transport.rest.servlet.ServletUtils.init(ServletUtils.java:176)
at org.apache.servicecomb.transport.rest.servlet.CseXmlWebApplicationContext.invokeBeanFactoryPostProcessors(CseXmlWebApplicationContext.java:60)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:533)
at org.apache.servicecomb.transport.rest.servlet.RestServletContextListener.initSpring(RestServletContextListener.java:39)
at org.apache.servicecomb.transport.rest.servlet.RestServletContextListener.contextInitialized(RestServletContextListener.java:31)
... 47 more
17-Aug-2021 22:08:03.800 信息 [RMI TCP Connection(3)-127.0.0.1] org.apache.catalina.core.ApplicationContext.log Closing Spring root WebApplicationContext
```
web.xml配置
```xml
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath*:META-INF/spring/*.bean.xml</param-value>
</context-param>
<listener>
<listener-class>org.apache.servicecomb.transport.rest.servlet.RestServletContextListener</listener-class>
</listener>
```
springboot启动类配置
```
@SpringBootApplication()
@EnableServiceComb
public class CseTestApplication extends SpringBootServletInitializer {
public static void main(String[] args) {
SpringApplication.run(CseTestApplication.class, args);
}
@Override
protected SpringApplicationBuilder configure(SpringApplicationBuilder builder) {
return builder.sources(this.getClass());
}
}
```
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[GitHub] [servicecomb-java-chassis] liubao68 commented on issue #2514: 以springboot外置tomcat, REST over Servlet形式指定cse监听器，会报空指针异常然后直接退出服务
Posted by GitBox <gi...@apache.org>.
liubao68 commented on issue #2514:
URL: https://github.com/apache/servicecomb-java-chassis/issues/2514#issuecomment-900744712
可以看看这个例子： https://github.com/apache/servicecomb-samples/tree/master/java-chassis-deployment-samples/spring-boot-external-tomcat
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[GitHub] [servicecomb-java-chassis] liubao68 commented on issue #2514: 以springboot外置tomcat, REST over Servlet形式指定cse监听器，会报空指针异常然后直接退出服务
Posted by GitBox <gi...@apache.org>.
liubao68 commented on issue #2514:
URL: https://github.com/apache/servicecomb-java-chassis/issues/2514#issuecomment-900744712
可以看看这个例子： https://github.com/apache/servicecomb-samples/tree/master/java-chassis-deployment-samples/spring-boot-external-tomcat
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