猿问

springboot项目打成war包后就不能运行？

异常描述

我的开发环境如下

框架：springboot，mybatis ……

工具：eclipse

数据库：MySQL

在开发工程中，使用启动类启动能够正常启动并测试。问题出在，我将项目打成war包，整个项目不能启动。

我在打包的时候做了如下操作：1

1.修改启动类

将启动类继承了SpringBootServletInitializer，并且重写了configure方法。

@Override
protected SpringApplicationBuilder configure(SpringApplicationBuilder builder) {
  // 注意这里要指向原先用main方法执行的Application启动类
  return builder.sources(Application.class);
}

2.修改依赖

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-web</artifactId>
    <!-- 移除嵌入式tomcat插件 -->
    <exclusions>
        <exclusion>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-tomcat</artifactId>
        </exclusion>
    </exclusions>
</dependency>
<!-- 添加servlet-api的依赖 -->
<dependency>
    <groupId>org.apache.tomcat</groupId>
    <artifactId>tomcat-servlet-api</artifactId>
    <version>8.0.36</version>
    <scope>provided</scope>
</dependency>

3.修改打包方式

<packaging>war</packaging>

4.maven-install打包

打包完成后，在tomcat-8.0.46中执行，出现以下错误提示

13-Sep-2017 09:49:34.794 严重 [localhost-startStop-1] org.apache.catalina.core.StandardContext.startInternal One or more Filters failed to start. Full details will be found in the appropriate container log file
13-Sep-2017 09:49:34.799 严重 [localhost-startStop-1] org.apache.catalina.core.StandardContext.startInternal Context [/cloudwifi] startup failed due to previous errors
[localhost-startStop-1] INFO  o.s.b.c.e.AnnotationConfigEmbeddedWebApplicationContext - Closing org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@1fb1bdfc: startup date [Wed Sep 13 09:49:21 CST 2017]; root of context hierarchy
[localhost-startStop-1] INFO  o.s.j.e.a.AnnotationMBeanExporter - Unregistering JMX-exposed beans on shutdown
[localhost-startStop-1] INFO  o.s.o.j.LocalContainerEntityManagerFactoryBean - Closing JPA EntityManagerFactory for persistence unit 'default'
13-Sep-2017 09:49:34.857 警告 [localhost-startStop-1] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesJdbc The web application [cloudwifi] registered the JDBC driver [com.mysql.jdbc.Driver] but failed to unregister it when the web application was stopped. To prevent a memory leak, the JDBC Driver has been forcibly unregistered.
13-Sep-2017 09:49:34.860 警告 [localhost-startStop-1] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [cloudwifi] appears to have started a thread named [Abandoned connection cleanup thread] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
 java.lang.Object.wait(Native Method)

然后在localhost.log日志中出现如下错误提示

13-Sep-2017 09:49:19.318 信息 [localhost-startStop-1] org.apache.catalina.core.ApplicationContext.log 2 Spring WebApplicationInitializers detected on classpath
13-Sep-2017 09:49:25.494 信息 [localhost-startStop-1] org.apache.catalina.core.ApplicationContext.log Initializing Spring embedded WebApplicationContext
13-Sep-2017 09:49:34.793 严重 [localhost-startStop-1] org.apache.catalina.core.StandardContext.filterStart Exception starting filter com.some.filter.Filter003
 javax.naming.NamingException: Cannot create resource instance
    at org.apache.naming.factory.FactoryBase.getObjectInstance(FactoryBase.java:96)
    at javax.naming.spi.NamingManager.getObjectInstance(NamingManager.java:321)
    at org.apache.naming.NamingContext.lookup(NamingContext.java:847)
    at org.apache.naming.NamingContext.lookup(NamingContext.java:172)
    at org.apache.catalina.core.DefaultInstanceManager.lookupFieldResource(DefaultInstanceManager.java:550)
    at org.apache.catalina.core.DefaultInstanceManager.processAnnotations(DefaultInstanceManager.java:452)
    at org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:142)
    at org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:119)
    at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:258)
    at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:105)
    at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4700)
    at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5340)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
    at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:753)
    at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:729)
    at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:717)
    at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1129)
    at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1871)
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)

13-Sep-2017 09:49:34.794 严重 [localhost-startStop-1] org.apache.catalina.core.StandardContext.filterStart Exception starting filter com.some.filter.Filter002
 javax.naming.NamingException: Cannot create resource instance
    at org.apache.naming.factory.FactoryBase.getObjectInstance(FactoryBase.java:96)
    at javax.naming.spi.NamingManager.getObjectInstance(NamingManager.java:321)
    at org.apache.naming.NamingContext.lookup(NamingContext.java:847)
    at org.apache.naming.NamingContext.lookup(NamingContext.java:172)
    at org.apache.catalina.core.DefaultInstanceManager.lookupFieldResource(DefaultInstanceManager.java:550)
    at org.apache.catalina.core.DefaultInstanceManager.processAnnotations(DefaultInstanceManager.java:452)
    at org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:142)
    at org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:119)
    at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:258)
    at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:105)
    at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4700)
    at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5340)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
    at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:753)
    at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:729)
    at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:717)
    at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1129)
    at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1871)
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)

13-Sep-2017 09:49:34.807 信息 [localhost-startStop-1] org.apache.catalina.core.ApplicationContext.log Closing Spring root WebApplicationContext

以上是出现错误的详细过程

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慕勒3428872
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2回答

ibeautiful

Application类要继承SpringBootServletInitializer。
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