tomcat - Spring Boot War-File 不适用于 Tomcat

Question

他，

这一直困扰着我一段时间，所以我做了一个 MWE。我创建了一个 Spring-Boot 应用程序，将其转换为 war 文件。使用 Maven 构建。我可以在本地机器上运行它，没问题，但在我的主机上它每次都会崩溃。堆栈跟踪:

24-Jul-2016 11:42:03.906 SEVERE [localhost-startStop-8] org.apache.catalina.core.ContainerBase.addChildInternal ContainerBase.addChild: start: 
 org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/blub-1.0-SNAPSHOT]]
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154)
    at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:725)
    at org.apache.catalina.core.ContainerBase.access$000(ContainerBase.java:131)
    at org.apache.catalina.core.ContainerBase$PrivilegedAddChild.run(ContainerBase.java:153)
    at org.apache.catalina.core.ContainerBase$PrivilegedAddChild.run(ContainerBase.java:143)
    at java.security.AccessController.doPrivileged(Native Method)
    at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:699)
    at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:717)
    at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:945)
    at org.apache.catalina.startup.HostConfig$DeployWar.run(HostConfig.java:1798)
    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)
Caused by: java.security.AccessControlException: access denied ("java.io.FilePermission" "./config/application.properties" "read")
    at java.security.AccessControlContext.checkPermission(AccessControlContext.java:472)
    at java.security.AccessController.checkPermission(AccessController.java:884)
    at java.lang.SecurityManager.checkPermission(SecurityManager.java:549)
    at java.lang.SecurityManager.checkRead(SecurityManager.java:888)
    at java.io.File.exists(File.java:814)
    at org.springframework.core.io.AbstractFileResolvingResource.exists(AbstractFileResolvingResource.java:93)
    at org.springframework.boot.context.config.ConfigFileApplicationListener$Loader.loadIntoGroup(ConfigFileApplicationListener.java:459)
    at org.springframework.boot.context.config.ConfigFileApplicationListener$Loader.load(ConfigFileApplicationListener.java:449)
    at org.springframework.boot.context.config.ConfigFileApplicationListener$Loader.load(ConfigFileApplicationListener.java:374)
    at org.springframework.boot.context.config.ConfigFileApplicationListener.addPropertySources(ConfigFileApplicationListener.java:210)
    at org.springframework.boot.context.config.ConfigFileApplicationListener.postProcessEnvironment(ConfigFileApplicationListener.java:179)
    at org.springframework.boot.context.config.ConfigFileApplicationListener.onApplicationEnvironmentPreparedEvent(ConfigFileApplicationListener.java:166)
    at org.springframework.boot.context.config.ConfigFileApplicationListener.onApplicationEvent(ConfigFileApplicationListener.java:152)
    at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:166)
    at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:138)
    at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:121)
    at org.springframework.boot.context.event.EventPublishingRunListener.publishEvent(EventPublishingRunListener.java:111)
    at org.springframework.boot.context.event.EventPublishingRunListener.environmentPrepared(EventPublishingRunListener.java:65)
    at org.springframework.boot.SpringApplicationRunListeners.environmentPrepared(SpringApplicationRunListeners.java:54)
    at org.springframework.boot.SpringApplication.createAndRefreshContext(SpringApplication.java:330)
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:307)
    at org.springframework.boot.context.web.SpringBootServletInitializer.run(SpringBootServletInitializer.java:149)
    at org.springframework.boot.context.web.SpringBootServletInitializer.createRootApplicationContext(SpringBootServletInitializer.java:129)
    at org.springframework.boot.context.web.SpringBootServletInitializer.onStartup(SpringBootServletInitializer.java:85)
    at org.springframework.web.SpringServletContainerInitializer.onStartup(SpringServletContainerInitializer.java:169)
    at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5170)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
    ... 14 more

引导文件就是

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.builder.SpringApplicationBuilder;
import org.springframework.boot.context.web.SpringBootServletInitializer;

@SpringBootApplication
public class Boot extends SpringBootServletInitializer {
    public static void main(final String[] args) {
        SpringApplication.run(Boot.class, args);
    }

    @Override
    protected SpringApplicationBuilder configure(SpringApplicationBuilder application) {
        return application.sources(Boot.class);
    }
}

并完成 pom.xml:http://pastebin.com/bKZt9tWy

奇怪的是:机器上的任何地方都没有 application.properties。所以......非常感谢每一个答案，即使只是指点。

Answer 1

问题是您的用户对文件夹 ./config/application.properties 没有读取权限。

默认情况下，Spring boot 会尝试从某些位置加载属性，./config/application.properties 就是其中之一。参见 the docs

简单的解决方法是授予用户读取权限。另一种方法是覆盖文档中指定的默认位置。