检查过 jar包没有冲突、端口没有冲突
搞了几个小时了没搞定，求各位大佬指点迷津，报错信息如下
2018-07-18 16:52:33 [org.springframework.boot.StartupInfoLogger:48] INFO com.wdp.shiro.ShiroAdminApplication - Starting ShiroAdminApplication on DESKTOP-KF0NPFN with PID 1172 (G:\eclipse2_pro\springboot_shiro\shiro_admin\target\classes started by Frank in G:\eclipse2_pro\springboot_shiro\shiro_admin)
2018-07-18 16:52:33 [org.springframework.boot.SpringApplication:593] INFO com.wdp.shiro.ShiroAdminApplication - No active profile set, falling back to default profiles: default
2018-07-18 16:52:38 [org.springframework.boot.context.embedded.tomcat.TomcatStarter:63] ERROR org.springframework.boot.context.embedded.tomcat.TomcatStarter - Error starting Tomcat context. Exception: java.lang.IllegalArgumentException. Message: Unable to set initialisation parameters for filter due to null name and/or value. Name [loginUsername], Value [null]
2018-07-18 16:52:38 [org.springframework.boot.SpringApplication:771] ERROR org.springframework.boot.SpringApplication - Application startup failed
org.springframework.context.ApplicationContextException: Unable to start embedded container; nested exception is org.springframework.boot.context.embedded.EmbeddedServletContainerException: Unable to start embedded Tomcat
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.onRefresh(EmbeddedWebApplicationContext.java:137)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:537)
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:122)
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:693)
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:360)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:303)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1118)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1107)
at com.wdp.shiro.ShiroAdminApplication.main(ShiroAdminApplication.java:16)
Caused by: org.springframework.boot.context.embedded.EmbeddedServletContainerException: Unable to start embedded Tomcat
at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainer.initialize(TomcatEmbeddedServletContainer.java:123)
at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainer.<init>(TomcatEmbeddedServletContainer.java:84)
at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainerFactory.getTomcatEmbeddedServletContainer(TomcatEmbeddedServletContainerFactory.java:554)
at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainerFactory.getEmbeddedServletContainer(TomcatEmbeddedServletContainerFactory.java:179)
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.createEmbeddedServletContainer(EmbeddedWebApplicationContext.java:164)
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.onRefresh(EmbeddedWebApplicationContext.java:134)
... 8 common frames omitted
Caused by: java.lang.IllegalArgumentException: Unable to set initialisation parameters for filter due to null name and/or value. Name [loginUsername], Value [null]
at org.apache.catalina.core.ApplicationServletRegistration.setInitParameters(ApplicationServletRegistration.java:109)
at org.springframework.boot.web.servlet.RegistrationBean.configure(RegistrationBean.java:142)
at org.springframework.boot.web.servlet.ServletRegistrationBean.configure(ServletRegistrationBean.java:206)
at org.springframework.boot.web.servlet.ServletRegistrationBean.onStartup(ServletRegistrationBean.java:197)
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.selfInitialize(EmbeddedWebApplicationContext.java:229)
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.access$000(EmbeddedWebApplicationContext.java:89)
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext$1.onStartup(EmbeddedWebApplicationContext.java:213)
at org.springframework.boot.context.embedded.tomcat.TomcatStarter.onStartup(TomcatStarter.java:55)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5196)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1419)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1409)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
写回答
<p>没有配置tomcat？请给出application配置文件和启动类代码。</p>
有配置tomcat的
<p> </p>
这是application配置文件
这是启动类
<p>druid的servlet中用户名loginUsername设置的null？</p>
感谢！！我设置了的 现在没法重新编辑，只能放评论下面了
<p>日志提示得很明显了。</p>
Caused by: java.lang.IllegalArgumentException: Unable to set initialisation parameters for filter due to null name and/or value. Name [loginUsername], Value [null] 感谢 ！！提示的是空名称，但druid我设置了用户名和密码了的
<p><img height="560" src="https://static.oschina.net/uploads/space/2018/0719/094111_m40t_3776702.png" width="951"></p>
<p>error日志这么明显</p>
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