Spring Boot Unable to start EmbeddedWebApplicationContext due to missing EmbeddedServletContainerFactory bean

Question

I am totally new to Spring and started to do the official guides from this site  https   spring io guides  I d like to do this guide  https   spring io guides gs scheduling-tasks   I get the following Exception   2014-02-14 16 25 21 614  INFO 9032 ---             main  trationDelegate BeanPostProcessorChecker   Bean  org springframework scheduling annotation SchedulingConfiguration  of type  class org springframework scheduling annotation SchedulingConfiguration  EnhancerByCGLIB  5b48d763  is not eligible for getting processed by all BeanPostProcessors  for example  not eligible for auto-proxying  2014-02-14 16 25 21 638  INFO 9032 ---             main   c l ClasspathLoggingApplicationListener   Application failed to start with classpath   file  C  work Spring SpringTutorial target classes   file  C  work apache-maven-3 0 3 repo javax servlet javax servlet-api 3 0 1 javax servlet-api-3 0 1 jar  file  C  work apache-maven-3 0 3 repo org springframework boot spring-boot-starter 1 0 0 RC1 spring-boot-starter-1 0 0 RC1 jar  file  C  work apache-maven-3 0 3 repo org springframework boot spring-boot 1 0 0 RC1 spring-boot-1 0 0 RC1 jar  file  C  work apache-maven-3 0 3 repo org springframework spring-core 4 0 0 RELEASE spring-core-4 0 0 RELEASE jar  file  C  work apache-maven-3 0 3 repo org springframework spring-context 4 0 0 RELEASE spring-context-4 0 0 RELEASE jar  file  C  work apache-maven-3 0 3 repo org springframework boot spring-boot-autoconfigure 1 0 0 RC1 spring-boot-autoconfigure-1 0 0 RC1 jar  file  C  work apache-maven-3 0 3 repo org springframework boot spring-boot-starter-logging 1 0 0 RC1 spring-boot-starter-logging-1 0 0 RC1 jar  file  C  work apache-maven-3 0 3 repo org slf4j jcl-over-slf4j 1 7 5 jcl-over-slf4j-1 7 5 jar  file  C  work apache-maven-3 0 3 repo org slf4j slf4j-api 1 7 5 slf4j-api-1 7 5 jar  file  C  work apache-maven-3 0 3 repo org slf4j jul-to-slf4j 1 7 5 jul-to-slf4j-1 7 5 jar  file  C  work apache-maven-3 0 3 repo org slf4j log4j-over-slf4j 1 7 5 log4j-over-slf4j-1 7 5 jar  file  C  work apache-maven-3 0 3 repo ch qos logback logback-classic 1 0 13 logback-classic-1 0 13 jar  file  C  work apache-maven-3 0 3 repo ch qos logback logback-core 1 0 13 logback-core-1 0 13 jar  file  C  work apache-maven-3 0 3 repo org springframework boot spring-boot-starter-web 1 0 0 RC1 spring-boot-starter-web-1 0 0 RC1 jar  file  C  work apache-maven-3 0 3 repo org springframework boot spring-boot-starter-tomcat 1 0 0 RC1 spring-boot-starter-tomcat-1 0 0 RC1 jar  file  C  work apache-maven-3 0 3 repo org apache tomcat embed tomcat-embed-core 7 0 47 tomcat-embed-core-7 0 47 jar  file  C  work apache-maven-3 0 3 repo org apache tomcat embed tomcat-embed-logging-juli 7 0 47 tomcat-embed-logging-juli-7 0 47 jar  file  C  work apache-maven-3 0 3 repo org springframework spring-web 4 0 0 RELEASE spring-web-4 0 0 RELEASE jar  file  C  work apache-maven-3 0 3 repo aopalliance aopalliance 1 0 aopalliance-1 0 jar  file  C  work apache-maven-3 0 3 repo org springframework spring-aop 4 0 0 RELEASE spring-aop-4 0 0 RELEASE jar  file  C  work apache-maven-3 0 3 repo org springframework spring-beans 4 0 0 RELEASE spring-beans-4 0 0 RELEASE jar  file  C  work apache-maven-3 0 3 repo org springframework spring-webmvc 4 0 0 RELEASE spring-webmvc-4 0 0 RELEASE jar  file  C  work apache-maven-3 0 3 repo org springframework spring-expression 4 0 0 RELEASE spring-expression-4 0 0 RELEASE jar  file  C  work apache-maven-3 0 3 repo com fasterxml jackson core jackson-databind 2 3 1 jackson-databind-2 3 1 jar  file  C  work apache-maven-3 0 3 repo com fasterxml jackson core jackson-annotations 2 3 0 jackson-annotations-2 3 0 jar  file  C  work apache-maven-3 0 3 repo com fasterxml jackson core jackson-core 2 3 1 jackson-core-2 3 1 jar  file  C  work apache-maven-3 0 3 repo commons-lang commons-lang 2 2 commons-lang-2 2 jar  Exception in thread  main  org springframework context ApplicationContextException  Unable to start embedded container  nested exception is org springframework context ApplicationContextException  Unable to start EmbeddedWebApplicationContext due to missing EmbeddedServletContainerFactory bean      at org springframework boot context embedded EmbeddedWebApplicationContext onRefresh EmbeddedWebApplicationContext java 140      at org springframework context support AbstractApplicationContext refresh AbstractApplicationContext java 476      at org springframework boot context embedded EmbeddedWebApplicationContext refresh EmbeddedWebApplicationContext java 124      at org springframework boot SpringApplication refresh SpringApplication java 658      at org springframework boot SpringApplication run SpringApplication java 355      at org springframework boot SpringApplication run SpringApplication java 920      at org springframework boot SpringApplication run SpringApplication java 909      at hu kumite Application main Application java 17  Caused by  org springframework context ApplicationContextException  Unable to start EmbeddedWebApplicationContext due to missing EmbeddedServletContainerFactory bean      at org springframework boot context embedded EmbeddedWebApplicationContext getEmbeddedServletContainerFactory EmbeddedWebApplicationContext java 190      at org springframework boot context embedded EmbeddedWebApplicationContext createEmbeddedServletContainer EmbeddedWebApplicationContext java 163      at org springframework boot context embedded EmbeddedWebApplicationContext onRefresh EmbeddedWebApplicationContext java 137          7 more   The application starter class is this    ComponentScan  EnableAutoConfiguration public class Application       public static void main String   args            SpringApplication run ScheduledTasks class  args             As you can see  the main method contains a commented line  I ve already done a tutorial  namely this one  https   spring io guides gs consuming-rest  It s up and running  But I can t run the ScheduledTasks app  which is the following    EnableScheduling public class ScheduledTasks        private static final SimpleDateFormat dateFormat   new SimpleDateFormat  HH mm ss          Scheduled fixedRate   5000      public void reportCurrentTime             System out println  The time is now     dateFormat format new Date                I use Eclipse and run the Application java s main as an Application  Could someone please help me

User · Answer

I had this Exception in the following situation.

in my POM was properties:

<properties>
    <java.version>1.8</java.version>
    <!-- The main class to start by executing java -jar -->
    <start-class>com.scmaer.java.microservice.Application</start-class>
    <cxf.version>3.1.5</cxf.version>
    <olingo.version>2.0.10</olingo.version>
    <spring.boot.version>1.4.7.RELEASE</spring.boot.version>
    <spring.boot.plugin.version>1.5.8.RELEASE</spring.boot.plugin.version>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <skipTests>false</skipTests>
</properties>

and the name and path of my application class ("start-class") was wrong.

User · Answer

The scheduling guide isn t a web app so you probably have some mouldy stuff in your pom xml from the REST guide  If you follow the instructions closely it should work  Another potential issue with the code you posted above is that your  EnableAutoConfiguration class is not used in the context  only as a main method  which may not be a problem for the scheduling guide but it probably is for a bunch of others

User · Answer

A scan of the  SpringBootApplication show that it includes the following annotations    Configuration  ComponentScan  EnableAutoConfiguration   So you could do this too    SpringBootApplication public class Application       public static void main String   args           SpringApplication run ScheduledTasks class  args

User · Answer

Add     lt dependency gt       lt groupId gt org springframework boot lt  groupId gt       lt artifactId gt spring-boot-starter-web lt  artifactId gt   lt  dependency gt

User · Answer

I am using gradle  met seem issue when I have a commandLineRunner consumes kafka topics and a health check endpoint for receiving incoming hooks  I spent 12 hours to figure out  finally found that I used mybatis-spring-boot-starter with spring-boot-starter-web  and they have some conflicts  Latter I directly introduced mybatis-spring  mybatis and spring-jdbc rather than the mybatis-spring-boot-starter  and the program worked well    hope this helps

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An other cause of this problem is corruption of maven repository jars so you can use the following command to solve the problem     mvn dependency purge-local-repository

User · Answer

use this one in your pom xml     lt dependency gt           lt groupId gt org springframework boot lt  groupId gt           lt artifactId gt spring-boot-starter-web lt  artifactId gt   lt  dependency gt    or this one     lt dependency gt       lt groupId gt org springframework boot lt  groupId gt       lt artifactId gt spring-boot-starter-tomcat lt  artifactId gt   lt  dependency gt

User · Answer

Problem is exclusion of starter tomcat  I tried exclude it and use vert x  so when I integrate wit Spring Admin  started problems   lt dependency gt               lt groupId gt org springframework boot lt  groupId gt               lt artifactId gt spring-boot-starter-web lt  artifactId gt               lt exclusions gt                   lt exclusion gt                       lt groupId gt org springframework boot lt  groupId gt                       lt artifactId gt spring-boot-starter-tomcat lt  artifactId gt                   lt  exclusion gt               lt  exclusions gt           lt  dependency gt

User · Answer

The error suggests that the application you are trying to run cannot instantiate an instance of apache tomcat  Make sure you are running the application with tomcat   if after checking all your dependencies you experience the same problem  try to add the following in your configuration class   Bean public EmbeddedServletContainerFactory servletContainer         TomcatEmbeddedServletContainerFactory factory                      new TomcatEmbeddedServletContainerFactory        return factory       If you are using an external instance of tomcat  especially for intellij   the problem could be that the IDE is trying to start the embedded tomcat  In this case  remove the following from your pom xml then configure the external tomcat using the  Edit Configurations  wizard    lt dependency gt        lt groupId gt org springframework boot lt  groupId gt        lt artifactId gt spring-boot-starter-tomcat lt  artifactId gt        lt scope gt provided lt  scope gt   lt  dependency gt

User · Answer

In my case it happen after excluding the resource folder from the pom using the following code    lt resources gt           lt resource gt               lt directory gt src main resources lt  directory gt               lt filtering gt true lt  filtering gt               lt excludes gt                   lt exclude gt     properties lt  exclude gt               lt  excludes gt           lt  resource gt   lt  resources gt    Commenting this code started my code

User · Answer

Adding the annotation  SpringBootApplication Before the starter class fixed this problem for me  so in essence  this error message can mean  you don t have a  SpringBootApplication marked class anywhere  you need at least one    SpringBootApplication public class AppStarter        public static void main String   args            SpringApplication run AppStarter class  args

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I had a similar issue and the problem was a broken maven repo jar file  In my case  the tomcat-embed-core jar file was broken  So I removed it from the maven repo and refreshed it to download again

User · Answer

if you experience this exception while using intellij and you are trying to start the application with the run button  Try starting the application from the command line instead  E g  ensure that you are in the correct directory  directory with your pom file  assuming this is a springboot application run mvn spring-boot run this did the trick for me    Additionally I have also seen this error occur when your spring application depends on another application  In this case I had to start the other application first then run

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I ve had similar problems when the main method is on a different class than that passed to SpringApplcation run     So the solution would be to use the line you ve commented out   public class Application       public static void main String   args            SpringApplication run Application class  args

User · Answer

check your pom xml is exists        lt dependency gt           lt groupId gt org springframework boot lt  groupId gt           lt artifactId gt spring-boot-starter-tomcat lt  artifactId gt       lt  dependency gt    I ve had a problem like this For lack this dependency

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In my case we added the  Profile annotation newly in order to ignore the TestApplication class in production mode and the Application class in test mode   Unfortunately  we forgot to add the following line into the application properties files   spring profiles active test or spring profiles active production   Without these config no profile was loaded which caused the not-so-much saying Spring Error

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A SpringApplication will attempt to create the right type of ApplicationContext on your behalf  By default  an AnnotationConfigApplicationContext or AnnotationConfigEmbeddedWebApplicationContext will be used  depending on whether you are developing a web application or not   The algorithm used to determine a    web environment    is fairly simplistic  based on the presence of a few classes   You can use setWebEnvironment boolean webEnvironment  if you need to override the default   It is also possible to take complete control of the ApplicationContext type that will be used by calling setApplicationContextClass          Tip  It is often desirable to call setWebEnvironment false  when using SpringApplication within a JUnit test

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In my case  spring configurations were not loaded as expected  On running from cmd using below command  it worked  start java -Xms512m -Xmx1024m  lt and the usual parameters as needed  like PrintGC etc gt  -Dspring config location  lt propertiesfiles gt  -jar  lt jar gt

User · Answer

Probably you missing  SpringBootApplication in your spring boot starter class    SpringBootApplication public class LoginSecurityAppApplication        public static void main String   args            SpringApplication run LoginSecurityAppApplication class  args

User · Answer

Try this   Configuration  ComponentScan  EnableAutoConfiguration public class Application       public static void main String   args           SpringApplication run ScheduledTasks class  args

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If you package it as a single jar and it s non web app try to load app context as below    SpringBootApplication  ApplicationContext ctx   new AnnotationConfigApplicationContext Main class     Or use below plugin to package as a single jar                lt plugin gt                   lt groupId gt org springframework boot lt  groupId gt                   lt artifactId gt spring-boot-maven-plugin lt  artifactId gt                   lt executions gt                       lt execution gt                           lt goals gt                               lt goal gt repackage lt  goal gt                           lt  goals gt                       lt  execution gt                   lt  executions gt               lt  plugin gt    you can specify the external configs by using below command to run  java -jar myproject jar --spring config location classpath  default properties classpath  override properties    http   docs spring io spring-boot docs current reference htmlboot-features-external-config html boot-features-external-config-application-property-files  Note that if you are passing the properties as arguments then don t include  PropertySource  classpath test properties   it will override the parameters

User · Answer

I had multiple application classes in one Spring Boot project which had the web started included and wanted to avoid it configuring a web environment for one of them so I manually configured it as below    SpringBootApplication public class Application       public static void main String   args                new SpringApplicationBuilder Application class               web false               run args             UPDATE for Spring Boot 2 and above    SpringBootApplication public class Application       public static void main String   args                new SpringApplicationBuilder Application class               web WebApplicationType NONE               run args

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If you run it successfully using command line gradle bootRun  while packaging it with command line gradle jar to jar file in order to run it with command line java -jar build libs demo jar  unfortunately  it failed with Exception  Unable to start EmbeddedWebApplicationContext due to missing EmbeddedServletContainerFactory bean  in this case  you need to use task bootRepackage of gradle plugin spring-boot to generate special runnable jar    setup 1       gradle clean bootRepackage  setup 2       java -jar build libs demo jar

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Adding the spring boot starter dependency fixed my error    lt dependency gt       lt groupId gt org springframework boot lt  groupId gt       lt artifactId gt spring-boot-starter-web lt  artifactId gt   lt  dependency gt    This is required if you want to start the tomcat as an embeded server

User · Answer

The problem it s in this class    ComponentScan  EnableAutoConfiguration public class Application       public static void main String   args          SpringApplication run Application class  args       SpringApplication run ScheduledTasks class  args             The correct way to launch your application is    SpringBootApplication  EnableScheduling public class Application       public static void main String   args        SpringApplication run Application class  args

User · Answer

This should be caused by dependency issue  in general  you need to check the dependency

User · Answer

I have stuck with same problem  As I didn t define Main class and the following annotations in Spring-Boot using Maven    SpringBootApplication public class Main       public static void main String args             SpringApplication run Main class  args

User · Answer

Clear repository is one possible solution   Windows -  delete all subfolders in the maven repository      C  Users YourUserName m2 repository

[java] Spring Boot: Unable to start EmbeddedWebApplicationContext due to missing EmbeddedServletContainerFactory bean

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