Why does my Spring Boot App always shutdown immediately after starting

Question

This is my first Spring Boot code  Unfortunately  it always shuts down  I was expecting it to run continuously so that my web client can get some data from the browser   package hello  import org springframework boot    import org springframework boot autoconfigure    import org springframework stereotype    import org springframework web bind annotation      Controller  EnableAutoConfiguration public class SampleController         RequestMapping           ResponseBody     String home             return  Hello World               public static void main String   args  throws Exception           SpringApplication run SampleController class  args               localhost initial   java -jar build libs gs-spring-boot-0 1 0 jar                                                                                                                                                                                                                                                               Spring Boot                v1 0 0 RC4   2014-03-13 09 20 24 805  INFO 14650 ---             main  hello SampleController                     Starting SampleController on localhost localdomain with PID 14650   home xxx dev gs-spring-boot initial build libs gs-spring-boot-0 1 0 jar started by xxx  2014-03-13 09 20 25 002  INFO 14650 ---             main  s c a AnnotationConfigApplicationContext   Refreshing org springframework context annotation AnnotationConfigApplicationContext b9eec  startup date  Thu Mar 13 09 20 24 EDT 2014   root of context hierarchy 2014-03-13 09 20 28 833  INFO 14650 ---             main  o s b a e jmx EndpointMBeanExporter        Registering beans for JMX exposure on startup 2014-03-13 09 20 30 148  INFO 14650 ---             main  o s c support DefaultLifecycleProcessor    Starting beans in phase 0 2014-03-13 09 20 30 154  INFO 14650 ---             main  o s b a e jmx EndpointMBeanExporter        Located managed bean  requestMappingEndpoint   registering with JMX server as MBean  org springframework boot type Endpoint name requestMappingEndpoint  2014-03-13 09 20 30 316  INFO 14650 ---             main  o s b a e jmx EndpointMBeanExporter        Located managed bean  environmentEndpoint   registering with JMX server as MBean  org springframework boot type Endpoint name environmentEndpoint  2014-03-13 09 20 30 335  INFO 14650 ---             main  o s b a e jmx EndpointMBeanExporter        Located managed bean  healthEndpoint   registering with JMX server as MBean  org springframework boot type Endpoint name healthEndpoint  2014-03-13 09 20 30 351  INFO 14650 ---             main  o s b a e jmx EndpointMBeanExporter        Located managed bean  beansEndpoint   registering with JMX server as MBean  org springframework boot type Endpoint name beansEndpoint  2014-03-13 09 20 30 376  INFO 14650 ---             main  o s b a e jmx EndpointMBeanExporter        Located managed bean  infoEndpoint   registering with JMX server as MBean  org springframework boot type Endpoint name infoEndpoint  2014-03-13 09 20 30 400  INFO 14650 ---             main  o s b a e jmx EndpointMBeanExporter        Located managed bean  metricsEndpoint   registering with JMX server as MBean  org springframework boot type Endpoint name metricsEndpoint  2014-03-13 09 20 30 413  INFO 14650 ---             main  o s b a e jmx EndpointMBeanExporter        Located managed bean  traceEndpoint   registering with JMX server as MBean  org springframework boot type Endpoint name traceEndpoint  2014-03-13 09 20 30 428  INFO 14650 ---             main  o s b a e jmx EndpointMBeanExporter        Located managed bean  dumpEndpoint   registering with JMX server as MBean  org springframework boot type Endpoint name dumpEndpoint  2014-03-13 09 20 30 450  INFO 14650 ---             main  o s b a e jmx EndpointMBeanExporter        Located managed bean  autoConfigurationAuditEndpoint   registering with JMX server as MBean  org springframework boot type Endpoint name autoConfigurationAuditEndpoint  2014-03-13 09 20 30 465  INFO 14650 ---             main  o s b a e jmx EndpointMBeanExporter        Located managed bean  shutdownEndpoint   registering with JMX server as MBean  org springframework boot type Endpoint name shutdownEndpoint  2014-03-13 09 20 30 548  INFO 14650 ---             main  o s b a e jmx EndpointMBeanExporter        Located managed bean  configurationPropertiesReportEndpoint   registering with JMX server as MBean  org springframework boot type Endpoint name configurationPropertiesReportEndpoint  2014-03-13 09 20 30 589  INFO 14650 ---             main  hello SampleController                     Started SampleController in 7 396 seconds  JVM running for 9 569  2014-03-13 09 20 30 608  INFO 14650 ---         Thread-2  s c a AnnotationConfigApplicationContext   Closing org springframework context annotation AnnotationConfigApplicationContext b9eec  startup date  Thu Mar 13 09 20 24 EDT 2014   root of context hierarchy 2014-03-13 09 20 30 610  INFO 14650 ---         Thread-2  o s c support DefaultLifecycleProcessor    Stopping beans in phase 0 2014-03-13 09 20 30 624  INFO 14650 ---         Thread-2  o s b a e jmx EndpointMBeanExporter        Unregistering JMX-exposed beans on shutdown   Please advise    Thanks  P S  build gradle is the fault   dependencies          tag  jetty       compile  org springframework boot spring-boot-starter-web               exclude module   spring-boot-starter-tomcat            Once I took off the above line in bold  everything works  My application context now is correct  Thanks Dave                                                                                                                                                                                                                                                               Spring Boot                v1 0 0 RC4   2014-03-13 13 58 08 965  INFO 7307 ---             main  hello Application                          Starting  Application on  with PID 7307   ladev home xxx dev gs-spring-boot initial build libs gs-spring-boo t-0 1 0 jar started by xxx  2014-03-13 13 58 09 021  INFO 7307 ---             main  ationConfigEmbeddedWebApplicationContext   Refreshi ng org springframework boot context embedded AnnotationConfigEmbeddedWebApplicationContext 45490eb5  startup  date  Thu Mar 13 13 58 09 MDT 2014   root of context hierarchy 2014-03-13 13 58 09 653  INFO 7307 ---             main  o s b f s DefaultListableBeanFactory       Overridi ng bean definition for bean  beanNameViewResolver   replacing  Root bean  class  null   scope   abstract fal se  lazyInit false  autowireMode 3  dependencyCheck 0  autowireCandidate true  primary false  factoryBeanNam e org springframework boot actuate autoconfigure ErrorMvcAutoConfiguration WhitelabelErrorViewConfiguration   factoryMethodName beanNameViewResolver  initMethodName null  destroyMethodName  inferred   defined in class  path resource  org springframework boot actuate autoconfigure ErrorMvcAutoConfiguration WhitelabelErrorView Configuration class   with  Root bean  class  null   scope   abstract false  lazyInit false  autowireMode 3   dependencyCheck 0  autowireCandidate true  primary false  factoryBeanName org springframework boot autoconf igure web WebMvcAutoConfiguration WebMvcAutoConfigurationAdapter  factoryMethodName beanNameViewResolver  in itMethodName null  destroyMethodName  inferred   defined in class path resource  org springframework boot au toconfigure web WebMvcAutoConfiguration WebMvcAutoConfigurationAdapter class

User · Answer

I had the same problem but when I removed

<dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-tomcat</artifactId>
        <scope>provided</scope>
</dependency>

it started working again.

User · Answer

In my case I fixed this issue like below -   First I removed  apache  C  Users myuserId  m2 repository org apache I added below dependencies in my pom xml file   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   I have changed the default socket by adding below lines in resource file     yourprojectfolder src main resourcesand application properties I manually created this file    server port 8099  spring profiles active  spring profiles active    for that I have added below block in my pom xml under  lt build gt  section      lt build gt            lt resources gt       lt resource gt           lt directory gt src main resources lt  directory gt           lt filtering gt true lt  filtering gt       lt  resource gt   lt  resources gt                   lt  build gt     My final pom xml file look like   lt  xml version  1 0  encoding  UTF-8   gt   lt project xmlns  http   maven apache org POM 4 0 0  xmlns xsi  http   www w3 org 2001 XMLSchema-instance      xsi schemaLocation  http   maven apache org POM 4 0 0 http   maven apache org xsd maven-4 0 0 xsd  gt       lt modelVersion gt 4 0 0 lt  modelVersion gt        lt groupId gt com bhaiti lt  groupId gt       lt artifactId gt spring-boot-rest lt  artifactId gt       lt version gt 0 0 1-SNAPSHOT lt  version gt       lt packaging gt jar lt  packaging gt        lt name gt spring-boot-rest lt  name gt       lt description gt Welcome project for Spring Boot lt  description gt        lt parent gt           lt groupId gt org springframework boot lt  groupId gt           lt artifactId gt spring-boot-starter-parent lt  artifactId gt           lt version gt 2 0 0 RELEASE lt  version gt           lt relativePath  gt   lt  -- lookup parent from repository -- gt       lt  parent gt        lt properties gt           lt project build sourceEncoding gt UTF-8 lt  project build sourceEncoding gt           lt project reporting outputEncoding gt UTF-8 lt  project reporting outputEncoding gt           lt java version gt 1 8 lt  java version gt       lt  properties gt        lt dependencies gt            lt dependency gt               lt groupId gt org springframework boot lt  groupId gt               lt artifactId gt spring-boot-starter lt  artifactId gt           lt  dependency gt            lt dependency gt               lt groupId gt org springframework lt  groupId gt               lt artifactId gt spring-web lt  artifactId gt           lt  dependency gt            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                   lt dependency gt               lt groupId gt org springframework boot lt  groupId gt               lt artifactId gt spring-boot-starter-test lt  artifactId gt               lt scope gt test lt  scope gt           lt  dependency gt        lt  dependencies gt        lt build gt           lt plugins gt               lt plugin gt                   lt groupId gt org springframework boot lt  groupId gt                   lt artifactId gt spring-boot-maven-plugin lt  artifactId gt               lt  plugin gt           lt  plugins gt           lt resources gt               lt resource gt                   lt directory gt src main resources lt  directory gt                   lt filtering gt true lt  filtering gt               lt  resource gt           lt  resources gt        lt  build gt     lt  project gt

User · Answer

If you have a circular spring injected dependency it will fail without warning  depending on the level of logging  and a few other factors  Class A injects Class B  and Class B injects Class A  Via constructor  in this particular case

User · Answer

I had this problem  and in my case it was caused by a simple clumsy mistake  my class had   SpringBootApplication public class MyApplication implements ApplicationRunner    public static void main String   args        SpringApplication run MyApplication class  args      public void run ApplicationArguments args  throws Exception         I removed the  quot implements ApplicationRunner quot  and the run method  which were there due to a copy-paste mistake  and then it worked

User · Answer

in my case i already had the maven dependency to  spring-boot-starter-web  and the project would start fine without auto-stopping when i run it as springboot app from within the IDE  however  when i deploy it to K8s  the app would start and auto-stop immediately  So i modified my main app class to extend SpringBootServletInitializer and this seems to have fixed the auto-stopping    SpringBootApplication public class MyApp extends SpringBootServletInitializer    public static void main String   args    SpringApplication run MyApp class  args

User · Answer

If you don t want to make your spring a web application then just add  EnableAsync or  EnableScheduling to your Starter   EnableAsync  SpringBootApplication public class App       public static void main String   args            SpringApplication run App class  args

User · Answer

I initialized a new SPring boot project in IntelliJIdea with Spring Boot dev tools  but in pom xml I had only dependency        lt dependency gt        lt groupId gt org springframework boot lt  groupId gt        lt artifactId gt spring-boot-starter lt  artifactId gt    lt  dependency gt        You need to have also artifact spring-boot-starter-web  Just add this dependency to 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

User · Answer

Maybe it does not fit to your code but i found out if you have a code snippet like this    SpringBootApplication public class SpringBootApacheKafkaApplication        public static void main String   args            SpringApplication run SpringBootApacheKafkaApplication class args  close              then just remove the close   method  That s fixed my problem  Maybe I can help someone with that

User · Answer

I went through the answers here and elsewhere and still had issues   It turned that  like the op   I was running in kubernetes  and the app was fine  but kubernetes had an issue  I forgot to have my app start based on my port environment variable   So  kubernetes helm was telling it to run on 8443 and to liveness probe that  but it was running on some other port  like 8123  from my application properties  The kubernetes events  get events  showed the live-ness probe was failing  so kubernetes was killing the pod app every 30 seconds or so

User · Answer

With gradle  I replaced this line at build gradle kts file inside dependencies block  providedRuntime  org springframework boot spring-boot-starter-tomcat     with this  compile  org springframework boot spring-boot-starter-web     and works fine

User · Answer

My application is Spring boot batch and commenting below line in application properties resolved the problem spring main web-application-type none

User · Answer

Resolution  the app is not a webapp because it doesn t have an embedded container  e g  Tomcat  on the classpath  Adding one fixed it  If you are using Maven  then add this in 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    For Gradle  build gradle  it looks like  dependencies       compile  org springframework boot spring-boot-starter-web

User · Answer

I was having a similar problem  I only had the following starter web package   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   But it is not enough  You need to add a parent too to get other required dependencies   lt parent gt       lt groupId gt org springframework boot lt  groupId gt       lt artifactId gt spring-boot-starter-parent lt  artifactId gt       lt version gt 2 2 4 RELEASE lt  version gt       lt relativePath  gt   lt  -- lookup parent from repository -- gt   lt  parent gt

User · Answer

Just another possibility    I replaced        lt dependency gt           lt groupId gt org springframework boot lt  groupId gt           lt artifactId gt spring-boot-starter lt  artifactId gt       lt  dependency gt    with        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    and it started without any issues

User · Answer

Here is how you can fix it    Check if you don t have dependency on spring-boot-starter-web in your pom xml file  To get you pom xml file right  use this link start spring io If you have above dependency  but still facing the issue  it is highly possible that your embedded tomcat jars are present   To confirm this  run maven build in debug mode -       mvn spring-boot run --debug   and look for messages like -       WARNING  error reading    Users sparrowmac1  m2 repository org apache tomcat embed tomcat-embed-core 8 5 20 tomcat-embed-core-8 5 20 jar    invalid LOC header  bad signature   WARNING  error reading    Users sparrowmac1  m2 repository com fasterxml jackson core jackson-core 2 8 10 jackson-core-2 8 10 jar    invalid LOC header  bad signature    If such messages are present  purge your local maven repo and try again -      mvn dependency purge-local-repository

User · Answer

In my case the problem was introduced when I fixed a static analysis error that the return value of a method was not used   Old working code in my Application java was       public static void main String   args                  SpringApplication run Application class  args           New code that introduced the problem was       public static void main String   args                  try  ConfigurableApplicationContext context              SpringApplication run Application class  args             LOG trace  context      context                   Obviously  the try with resource block will close the context after starting the application which will result in the application exiting with status 0  This was a case where the resource leak error reported by snarqube static analysis should be ignored

User · Answer

I think the right answer was at Why does Spring Boot web app close immediately after starting  about the starter-tomcat not being set and if set and running through the IDE  the provided scope should be commented off  Scope doesn t create an issue while running through command  I wonder why   Anyways just added my additional thoughts

User · Answer

this work with spring boot 2 0 0  replace     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    with   lt dependency gt   lt groupId gt org apache tomcat embed lt  groupId gt   lt artifactId gt tomcat-embed-core lt  artifactId gt   lt version gt 9 0 6 lt  version gt       lt  dependency gt

[java] Why does my Spring Boot App always shutdown immediately after starting?

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