Cant save courses

Question

Somehow I cant save courses...

This is my DatabaseLoader class:

package com.teamtreehouse.core;

import com.teamtreehouse.course.Course;
import com.teamtreehouse.course.CourseRepository;
import com.teamtreehouse.review.Review;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.ApplicationArguments;
import org.springframework.boot.ApplicationRunner;
import org.springframework.stereotype.Component;

import java.util.ArrayList;
import java.util.List;
import java.util.stream.IntStream;

@Component
public class DatabaseLoader implements ApplicationRunner {
    private final CourseRepository courses;

    @Autowired
    public DatabaseLoader(CourseRepository courses) {
        this.courses = courses;
    }


    @Override
    public void run(ApplicationArguments args) throws Exception {
        Course course = new Course("Java Basics", "http://www.testurl.com/java-basics");
        course.addReview(new Review(3, "You ARE a dork!!!"));
        courses.save(course);
        String[] templates = {
                "Up and Running with %s",
                "%s Basics",
                "%s for Beginners",
                "%s for Neckbeards",
                "Under the hood: %s"
        };
        String[] buzzwords = {
                "Spring REST Data",
                "Java 9",
                "Groovy",
                "Scala",
                "Hibernate"
        };

        List<Course> bunchOfCourses = new ArrayList<>();
        IntStream.range(0, 100)
                .forEach(i -> {
                    String template = templates[i % templates.length];
                    String buzzword = buzzwords[i % buzzwords.length];
                    String title = String.format(template, buzzword);
                    Course c = new Course(title, "http://www.example.com");
                    c.addReview(new Review(i % 5, String.format("Moar %s please", buzzword)));
                    bunchOfCourses.add(c);
                });

        courses.save(bunchOfCourses);

    }
}

And this is the error message I get :

Error:(56, 16) java: method save in interface org.springframework.data.repository.CrudRepository<T,ID> cannot be applied to given types;
  required: S
  found: java.util.List<com.teamtreehouse.course.Course>
  reason: inferred type does not conform to upper bound(s)
    inferred: java.util.List<com.teamtreehouse.course.Course>
    upper bound(s): com.teamtreehouse.course.Course

I just don't get why this is happening.

Answer 1 · 2018-09-18T21:04:15Z

September 18, 2018 9:04pm

I don't use Spring much, and have not watched any of the TeamTreehouse videos on it, so take my answer with a grain of salt.

I think this maybe because save() is looking for a single Entity, I am guessing a non-iterable object. So maybe instead of using save(), you can try again with saveAll(), since saveAll() takes an Iterable entity, which is what this Course object appears to be.

Answer 2 · 2018-09-19T08:11:57Z

September 19, 2018 8:11am

The thing which is weird is, that even if I comment out the new lines. It gives me that error. Even though it was working fine.

/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/bin/java "-javaagent:/Applications/IntelliJ IDEA CE.app/Contents/lib/idea_rt.jar=49910:/Applications/IntelliJ IDEA CE.app/Contents/bin" -Dfile.encoding=UTF-8 -classpath /Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/charsets.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/deploy.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/cldrdata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/dnsns.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/jaccess.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/jfxrt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/localedata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/nashorn.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunec.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunjce_provider.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/sunpkcs11.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/ext/zipfs.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/javaws.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jce.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jfr.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jfxswt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/jsse.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/management-agent.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/plugin.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/resources.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre/lib/rt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/ant-javafx.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/dt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/javafx-mx.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/jconsole.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/packager.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/sa-jdi.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/lib/tools.jar:/Users/marv/Documents/Coding/Treehouse/Hibernate_Spring/course-reviews-api/out/production/classes:/Users/marv/.gradle/caches/modules-2/files-2.1/org.springframework.boot/spring-boot-starter-data-rest/2.0.5.RELEASE/4a385188db1fd47999ee30837780f2c1f63e55ae/spring-boot-starter-data-rest-2.0.5.RELEASE.jar:/Users/marv/.gradle/caches/modules-2/files-2.1/org.springframework.boot/spring-boot-starter-data-jpa/2.0.5.RELEASE/c99b58e8ada11478aa5d0c3065745b7e887f094e/spring-boot-starter-data-jpa-2.0.5.RELEASE.jar:/Users/marv/.gradle/caches/modules-2/files-2.1/com.h2database/h2/1.4.197/bb391050048ca8ae3e32451b5a3714ecd3596a46/h2-1.4.197.jar:/Users/marv/.gradle/caches/modules-2/files-2.1/org.springframework.boot/spring-boot-starter-web/2.0.5.RELEASE/52daa1f1509bd637a737206e54c06a17aabb9504/spring-boot-starter-web-2.0.5.RELEASE.jar:/Users/marv/.gradle/caches/modules-2/files-2.1/org.springframework.boot/spring-boot-starter-json/2.0.5.RELEASE/d0052ded4733ceb1fb7d927238f22f9a92099227/spring-boot-starter-json-2.0.5.RELEASE.jar:/Users/marv/.gradle/caches/modules-2/files-2.1/org.springframework.boot/spring-boot-starter-aop/2.0.5.RELEASE/6bc1e8bcc849772d48cae1e8278cd2b471361698/spring-boot-starter-aop-2.0.5.RELEASE.jar:/Users/marv/.gradle/caches/modules-2/files-2.1/org.springframework.boot/spring-boot-starter-jdbc/2.0.5.RELEASE/9a5370acc7c5e17f4a00578211fbbd212b9a8329/spring-boot-starter-jdbc-2.0.5.RELEASE.jar:/Users/marv/.gradle/caches/modules-2/files-2.1/org.springframework.boot/spring-boot-starter/2.0.5.RELEASE/1f53487a373be18d064a5815e9bac9882ef15cdc/spring-boot-starter-2.0.5.RELEASE.jar:/Users/marv/.gradle/caches/modules-2/files-2.1/org.springframework.data/spring-data-rest-webmvc/3.0.10.RELEASE/4b98794e529af235bd81a8eec59ae4095a28ab59/spring-data-rest-webmvc-3.0.10.RELEASE.jar:/Users/marv/.gradle/caches/modules-2/files-2.1/javax.transaction/javax.transaction-api/1.2/d81aff979d603edd90dcd8db2abc1f4ce6479e3e/javax.transaction-api-1.2.jar:/Users/marv/.gradle/caches/modules-2/files-2.1/org.hibernate/hibernate-core/5.2.17.Final/f2dc36470e7a2ffcf6106bb1625ecf5b54bb5f65/hibernate-core-5.2.17.Final.jar:/Users/marv/.gradle/caches/modules-2/files-2.1/org.springframework.data/spring-data-jpa/2.0.10.RELEASE/a6e644c363d050c6c90f078f4f0ac66892f60d54/spring-data-jpa-2.0.10.RELEASE.jar:/Users/marv/.gradle/caches/modules-2/files-2.1/org.springframework/spring-aspects/5.0.9.RELEASE/dfb2da4c573391d8e8a482f08bdf4d38398e2bb0/spring-aspects-5.0.9.RELEASE.jar:/Users/marv/.gradle/caches/modules-2/files-2.1/org.springframework.boot/spring-boot-autoconfigure/2.0.5.RELEASE/e5588642799e0c0c04638e255c3d3f31ba4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les-2/files-2.1/org.slf4j/slf4j-api/1.7.25/da76ca59f6a57ee3102f8f9bd9cee742973efa8a/slf4j-api-1.7.25.jar:/Users/marv/.gradle/caches/modules-2/files-2.1/org.aspectj/aspectjweaver/1.8.13/ad94df2a28d658a40dc27bbaff6a1ce5fbf04e9b/aspectjweaver-1.8.13.jar:/Users/marv/.gradle/caches/modules-2/files-2.1/org.hibernate.common/hibernate-commons-annotations/5.0.1.Final/71e1cff3fcb20d3b3af4f3363c3ddb24d33c6879/hibernate-commons-annotations-5.0.1.Final.jar:/Users/marv/.gradle/caches/modules-2/files-2.1/org.jboss.logging/jboss-logging/3.3.2.Final/3789d00e859632e6c6206adc0c71625559e6e3b0/jboss-logging-3.3.2.Final.jar:/Users/marv/.gradle/caches/modules-2/files-2.1/org.hibernate.javax.persistence/hibernate-jpa-2.1-api/1.0.2.Final/52afb5762c704a6b586e27742470c08f91877fc1/hibernate-jpa-2.1-api-1.0.2.Final.jar:/Users/marv/.gradle/caches/modules-2/files-2.1/org.javassist/javassist/3.22.0-GA/3e83394258ae2089be7219b971ec21a8288528ad/javassist-3.22.0-GA.jar:/Users/marv/.gradle/caches/modules-2/files-2.1/antlr/antlr/2.7.7/83cd2cd674a217ade95a4bb83a8a14f351f48bd0/antlr-2.7.7.jar:/Users/marv/.gradle/caches/modules-2/files-2.1/org.jboss/jandex/2.0.3.Final/bfc4d6257dbff7a33a357f0de116be6ff951d849/jandex-2.0.3.Final.jar:/Users/marv/.gradle/caches/modules-2/files-2.1/com.fasterxml/classmate/1.3.4/3d5f48f10bbe4eb7bd862f10c0583be2e0053c6/classmate-1.3.4.jar:/Users/marv/.gradle/caches/modules-2/files-2.1/dom4j/dom4j/1.6.1/5d3ccc056b6f056dbf0dddfdf43894b9065a8f94/dom4j-1.6.1.jar:/Users/marv/.gradle/caches/modules-2/files-2.1/org.springframework/spring-jcl/5.0.9.RELEASE/bc3b5aaae53f0bc03647e53ecbd98a05b47a4e90/spring-jcl-5.0.9.RELEASE.jar:/Users/marv/.gradle/caches/modules-2/files-2.1/com.fasterxml.jackson.core/jackson-core/2.9.6/4e393793c37c77e042ccc7be5a914ae39251b365/jackson-core-2.9.6.jar:/Users/marv/.gradle/caches/modules-2/files-2.1/org.apache.tomcat.embed/tomcat-embed-websocket/8.5.34/5f86906367c2540b21e6aeecc277d2ce9ec939b0/tomcat-embed-websocket-8.5.34.jar:/Users/marv/.gradle/caches/modules-2/files-2.1/org.apache.tomcat.embed/tomcat-embed-core/8.5.34/a038040d68a90397f95dd1e11b979fe364a5000f/tomcat-embed-core-8.5.34.jar:/Users/marv/.gradle/caches/modules-2/files-2.1/org.apache.tomcat.embed/tomcat-embed-el/8.5.34/be71a9a5bdd001db7cf97c47429eec0bdd3b7b88/tomcat-embed-el-8.5.34.jar:/Users/marv/.gradle/caches/modules-2/files-2.1/javax.validation/validation-api/2.0.1.Final/cb855558e6271b1b32e716d24cb85c7f583ce09e/validation-api-2.0.1.Final.jar:/Users/marv/.gradle/caches/modules-2/files-2.1/org.atteo/evo-inflector/1.2.2/2551aad98d65ac5464d81fe05f0e1516cfe471c9/evo-inflector-1.2.2.jar:/Users/marv/.gradle/caches/modules-2/files-2.1/ch.qos.logback/logback-core/1.2.3/864344400c3d4d92dfeb0a305dc87d953677c03c/logback-core-1.2.3.jar:/Users/marv/.gradle/caches/modules-2/files-2.1/org.apache.logging.log4j/log4j-api/2.10.0/fec5797a55b786184a537abd39c3fa1449d752d6/log4j-api-2.10.0.jar com.teamtreehouse.Application

  .   ____          _            __ _ _
 /\\ / ___'_ __ _ _(_)_ __  __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
 \\/  ___)| |_)| | | | | || (_| |  ) ) ) )
  '  |____| .__|_| |_|_| |_\__, | / / / /
 =========|_|==============|___/=/_/_/_/
 :: Spring Boot ::        (v2.0.5.RELEASE)

2018-09-19 10:08:28.312  INFO 38518 --- [           main] com.teamtreehouse.Application            : Starting Application on Marvins-iMac with PID 38518 (/Users/marv/Documents/Coding/Treehouse/Hibernate_Spring/course-reviews-api/out/production/classes started by marv in /Users/marv/Documents/Coding/Treehouse/Hibernate_Spring/course-reviews-api)
2018-09-19 10:08:28.316  INFO 38518 --- [           main] com.teamtreehouse.Application            : No active profile set, falling back to default profiles: default
2018-09-19 10:08:28.381  INFO 38518 --- [           main] ConfigServletWebServerApplicationContext : Refreshing org.springframework.boot.web.servlet.context.AnnotationConfigServletWebServerApplicationContext@78b1cc93: startup date [Wed Sep 19 10:08:28 CEST 2018]; root of context hierarchy
2018-09-19 10:08:29.825  INFO 38518 --- [           main] trationDelegate$BeanPostProcessorChecker : Bean 'org.springframework.transaction.annotation.ProxyTransactionManagementConfiguration' of type [org.springframework.transaction.annotation.ProxyTransactionManagementConfiguration$$EnhancerBySpringCGLIB$$daee200f] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
2018-09-19 10:08:29.859  INFO 38518 --- [           main] trationDelegate$BeanPostProcessorChecker : Bean 'org.springframework.hateoas.config.HateoasConfiguration' of type [org.springframework.hateoas.config.HateoasConfiguration$$EnhancerBySpringCGLIB$$5a6e6d41] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
2018-09-19 10:08:30.262  INFO 38518 --- [           main] o.s.b.w.embedded.tomcat.TomcatWebServer  : Tomcat initialized with port(s): 8080 (http)
2018-09-19 10:08:30.291  INFO 38518 --- [           main] o.apache.catalina.core.StandardService   : Starting service [Tomcat]
2018-09-19 10:08:30.291  INFO 38518 --- [           main] org.apache.catalina.core.StandardEngine  : Starting Servlet Engine: Apache Tomcat/8.5.34
2018-09-19 10:08:30.302  INFO 38518 --- [ost-startStop-1] o.a.catalina.core.AprLifecycleListener   : The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: [/Users/marv/Library/Java/Extensions:/Library/Java/Extensions:/Network/Library/Java/Extensions:/System/Library/Java/Extensions:/usr/lib/java:.]
2018-09-19 10:08:30.398  INFO 38518 --- [ost-startStop-1] o.a.c.c.C.[Tomcat].[localhost].[/]       : Initializing Spring embedded WebApplicationContext
2018-09-19 10:08:30.398  INFO 38518 --- [ost-startStop-1] o.s.web.context.ContextLoader            : Root WebApplicationContext: initialization completed in 2022 ms
2018-09-19 10:08:30.443  INFO 38518 --- [ost-startStop-1] o.s.b.w.servlet.ServletRegistrationBean  : Servlet dispatcherServlet mapped to [/]
2018-09-19 10:08:30.446  INFO 38518 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'characterEncodingFilter' to: [/*]
2018-09-19 10:08:30.447  INFO 38518 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'hiddenHttpMethodFilter' to: [/*]
2018-09-19 10:08:30.447  INFO 38518 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'httpPutFormContentFilter' to: [/*]
2018-09-19 10:08:30.447  INFO 38518 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean   : Mapping filter: 'requestContextFilter' to: [/*]
2018-09-19 10:08:30.672  INFO 38518 --- [           main] com.zaxxer.hikari.HikariDataSource       : HikariPool-1 - Starting...
2018-09-19 10:08:30.853  INFO 38518 --- [           main] com.zaxxer.hikari.HikariDataSource       : HikariPool-1 - Start completed.
2018-09-19 10:08:30.911  INFO 38518 --- [           main] j.LocalContainerEntityManagerFactoryBean : Building JPA container EntityManagerFactory for persistence unit 'default'
2018-09-19 10:08:30.935  INFO 38518 --- [           main] o.hibernate.jpa.internal.util.LogHelper  : HHH000204: Processing PersistenceUnitInfo [
    name: default
    ...]
2018-09-19 10:08:31.040  INFO 38518 --- [           main] org.hibernate.Version                    : HHH000412: Hibernate Core {5.2.17.Final}
2018-09-19 10:08:31.041  INFO 38518 --- [           main] org.hibernate.cfg.Environment            : HHH000206: hibernate.properties not found
2018-09-19 10:08:31.092  INFO 38518 --- [           main] o.hibernate.annotations.common.Version   : HCANN000001: Hibernate Commons Annotations {5.0.1.Final}
2018-09-19 10:08:31.235  INFO 38518 --- [           main] org.hibernate.dialect.Dialect            : HHH000400: Using dialect: org.hibernate.dialect.H2Dialect
2018-09-19 10:08:31.772  INFO 38518 --- [           main] o.h.t.schema.internal.SchemaCreatorImpl  : HHH000476: Executing import script 'org.hibernate.tool.schema.internal.exec.ScriptSourceInputNonExistentImpl@44286963'
2018-09-19 10:08:31.774  INFO 38518 --- [           main] j.LocalContainerEntityManagerFactoryBean : Initialized JPA EntityManagerFactory for persistence unit 'default'
2018-09-19 10:08:32.446  INFO 38518 --- [           main] o.s.w.s.handler.SimpleUrlHandlerMapping  : Mapped URL path [/**/favicon.ico] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
2018-09-19 10:08:32.571  INFO 38518 --- [           main] s.w.s.m.m.a.RequestMappingHandlerAdapter : Looking for @ControllerAdvice: org.springframework.boot.web.servlet.context.AnnotationConfigServletWebServerApplicationContext@78b1cc93: startup date [Wed Sep 19 10:08:28 CEST 2018]; root of context hierarchy
2018-09-19 10:08:32.620  WARN 38518 --- [           main] aWebConfiguration$JpaWebMvcConfiguration : spring.jpa.open-in-view is enabled by default. Therefore, database queries may be performed during view rendering. Explicitly configure spring.jpa.open-in-view to disable this warning
2018-09-19 10:08:32.650  INFO 38518 --- [           main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/error]}" onto public org.springframework.http.ResponseEntity<java.util.Map<java.lang.String, java.lang.Object>> org.springframework.boot.autoconfigure.web.servlet.error.BasicErrorController.error(javax.servlet.http.HttpServletRequest)
2018-09-19 10:08:32.651  INFO 38518 --- [           main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/error],produces=[text/html]}" onto public org.springframework.web.servlet.ModelAndView org.springframework.boot.autoconfigure.web.servlet.error.BasicErrorController.errorHtml(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse)
2018-09-19 10:08:32.677  INFO 38518 --- [           main] o.s.w.s.handler.SimpleUrlHandlerMapping  : Mapped URL path [/webjars/**] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
2018-09-19 10:08:32.677  INFO 38518 --- [           main] o.s.w.s.handler.SimpleUrlHandlerMapping  : Mapped URL path [/**] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
2018-09-19 10:08:32.693  INFO 38518 --- [           main] .m.m.a.ExceptionHandlerExceptionResolver : Detected @ExceptionHandler methods in repositoryRestExceptionHandler
2018-09-19 10:08:32.874  INFO 38518 --- [           main] o.s.d.r.w.RepositoryRestHandlerAdapter   : Looking for @ControllerAdvice: org.springframework.boot.web.servlet.context.AnnotationConfigServletWebServerApplicationContext@78b1cc93: startup date [Wed Sep 19 10:08:28 CEST 2018]; root of context hierarchy
2018-09-19 10:08:32.888  INFO 38518 --- [           main] o.s.d.r.w.RepositoryRestHandlerMapping   : Mapped "{[/{repository}],methods=[OPTIONS],produces=[application/hal+json || application/json]}" onto public org.springframework.http.ResponseEntity<?> org.springframework.data.rest.webmvc.RepositoryEntityController.optionsForCollectionResource(org.springframework.data.rest.webmvc.RootResourceInformation)
2018-09-19 10:08:32.889  INFO 38518 --- [           main] o.s.d.r.w.RepositoryRestHandlerMapping   : Mapped "{[/{repository}],methods=[HEAD],produces=[application/hal+json || application/json]}" onto public org.springframework.http.ResponseEntity<?> org.springframework.data.rest.webmvc.RepositoryEntityController.headCollectionResource(org.springframework.data.rest.webmvc.RootResourceInformation,org.springframework.data.rest.webmvc.support.DefaultedPageable) throws org.springframework.web.HttpRequestMethodNotSupportedException
2018-09-19 10:08:32.890  INFO 38518 --- [           main] o.s.d.r.w.RepositoryRestHandlerMapping   : Mapped "{[/{repository}],methods=[GET],produces=[application/hal+json || application/json]}" onto public org.springframework.hateoas.Resources<?> org.springframework.data.rest.webmvc.RepositoryEntityController.getCollectionResource(org.springframework.data.rest.webmvc.RootResourceInformation,org.springframework.data.rest.webmvc.support.DefaultedPageable,org.springframework.data.domain.Sort,org.springframework.data.rest.webmvc.PersistentEntityResourceAssembler) throws org.springframework.data.rest.webmvc.ResourceNotFoundException,org.springframework.web.HttpRequestMethodNotSupportedException
2018-09-19 10:08:32.891  INFO 38518 --- [           main] o.s.d.r.w.RepositoryRestHandlerMapping   : Mapped "{[/{repository}],methods=[GET],produces=[application/x-spring-data-compact+json || text/uri-list]}" onto public org.springframework.hateoas.Resources<?> org.springframework.data.rest.webmvc.RepositoryEntityController.getCollectionResourceCompact(org.springframework.data.rest.webmvc.RootResourceInformation,org.springframework.data.rest.webmvc.support.DefaultedPageable,org.springframework.data.domain.Sort,org.springframework.data.rest.webmvc.PersistentEntityResourceAssembler) throws org.springframework.data.rest.webmvc.ResourceNotFoundException,org.springframework.web.HttpRequestMethodNotSupportedException
2018-09-19 10:08:32.891  INFO 38518 --- [           main] o.s.d.r.w.RepositoryRestHandlerMapping   : Mapped "{[/{repository}],methods=[POST],produces=[application/hal+json || application/json]}" onto public org.springframework.http.ResponseEntity<org.springframework.hateoas.ResourceSupport> org.springframework.data.rest.webmvc.RepositoryEntityController.postCollectionResource(org.springframework.data.rest.webmvc.RootResourceInformation,org.springframework.data.rest.webmvc.PersistentEntityResource,org.springframework.data.rest.webmvc.PersistentEntityResourceAssembler,java.lang.String) throws org.springframework.web.HttpRequestMethodNotSupportedException
2018-09-19 10:08:32.892  INFO 38518 --- [           main] o.s.d.r.w.RepositoryRestHandlerMapping   : Mapped "{[/{repository}/{id}],methods=[OPTIONS],produces=[application/hal+json || application/json]}" onto public org.springframework.http.ResponseEntity<?> org.springframework.data.rest.webmvc.RepositoryEntityController.optionsForItemResource(org.springframework.data.rest.webmvc.RootResourceInformation)
2018-09-19 10:08:32.892  INFO 38518 --- [           main] o.s.d.r.w.RepositoryRestHandlerMapping   : Mapped "{[/{repository}/{id}],methods=[HEAD],produces=[application/hal+json || application/json]}" onto public org.springframework.http.ResponseEntity<?> org.springframework.data.rest.webmvc.RepositoryEntityController.headForItemResource(org.springframework.data.rest.webmvc.RootResourceInformation,java.io.Serializable,org.springframework.data.rest.webmvc.PersistentEntityResourceAssembler) throws org.springframework.web.HttpRequestMethodNotSupportedException
2018-09-19 10:08:32.892  INFO 38518 --- [           main] o.s.d.r.w.RepositoryRestHandlerMapping   : Mapped "{[/{repository}/{id}],methods=[GET],produces=[application/hal+json || application/json]}" onto public org.springframework.http.ResponseEntity<org.springframework.hateoas.Resource<?>> org.springframework.data.rest.webmvc.RepositoryEntityController.getItemResource(org.springframework.data.rest.webmvc.RootResourceInformation,java.io.Serializable,org.springframework.data.rest.webmvc.PersistentEntityResourceAssembler,org.springframework.http.HttpHeaders) throws org.springframework.web.HttpRequestMethodNotSupportedException
2018-09-19 10:08:32.893  INFO 38518 --- [           main] o.s.d.r.w.RepositoryRestHandlerMapping   : Mapped "{[/{repository}/{id}],methods=[PUT],produces=[application/hal+json || application/json]}" onto public org.springframework.http.ResponseEntity<? extends org.springframework.hateoas.ResourceSupport> org.springframework.data.rest.webmvc.RepositoryEntityController.putItemResource(org.springframework.data.rest.webmvc.RootResourceInformation,org.springframework.data.rest.webmvc.PersistentEntityResource,java.io.Serializable,org.springframework.data.rest.webmvc.PersistentEntityResourceAssembler,org.springframework.data.rest.webmvc.support.ETag,java.lang.String) throws org.springframework.web.HttpRequestMethodNotSupportedException
2018-09-19 10:08:32.893  INFO 38518 --- [           main] o.s.d.r.w.RepositoryRestHandlerMapping   : Mapped "{[/{repository}/{id}],methods=[PATCH],produces=[application/hal+json || application/json]}" onto public org.springframework.http.ResponseEntity<org.springframework.hateoas.ResourceSupport> org.springframework.data.rest.webmvc.RepositoryEntityController.patchItemResource(org.springframework.data.rest.webmvc.RootResourceInformation,org.springframework.data.rest.webmvc.PersistentEntityResource,java.io.Serializable,org.springframework.data.rest.webmvc.PersistentEntityResourceAssembler,org.springframework.data.rest.webmvc.support.ETag,java.lang.String) throws org.springframework.web.HttpRequestMethodNotSupportedException,org.springframework.data.rest.webmvc.ResourceNotFoundException
2018-09-19 10:08:32.894  INFO 38518 --- [           main] o.s.d.r.w.RepositoryRestHandlerMapping   : Mapped "{[/{repository}/{id}],methods=[DELETE],produces=[application/hal+json || application/json]}" onto public org.springframework.http.ResponseEntity<?> org.springframework.data.rest.webmvc.RepositoryEntityController.deleteItemResource(org.springframework.data.rest.webmvc.RootResourceInformation,java.io.Serializable,org.springframework.data.rest.webmvc.support.ETag) throws org.springframework.data.rest.webmvc.ResourceNotFoundException,org.springframework.web.HttpRequestMethodNotSupportedException
2018-09-19 10:08:32.897  INFO 38518 --- [           main] o.s.d.r.w.RepositoryRestHandlerMapping   : Mapped "{[/{repository}/{id}/{property}/{propertyId}],methods=[GET],produces=[application/hal+json || application/json]}" onto public org.springframework.http.ResponseEntity<org.springframework.hateoas.ResourceSupport> org.springframework.data.rest.webmvc.RepositoryPropertyReferenceController.followPropertyReference(org.springframework.data.rest.webmvc.RootResourceInformation,java.io.Serializable,java.lang.String,java.lang.String,org.springframework.data.rest.webmvc.PersistentEntityResourceAssembler) throws java.lang.Exception
2018-09-19 10:08:32.898  INFO 38518 --- [           main] o.s.d.r.w.RepositoryRestHandlerMapping   : Mapped "{[/{repository}/{id}/{property}],methods=[GET],produces=[application/hal+json || application/json]}" onto public org.springframework.http.ResponseEntity<org.springframework.hateoas.ResourceSupport> org.springframework.data.rest.webmvc.RepositoryPropertyReferenceController.followPropertyReference(org.springframework.data.rest.webmvc.RootResourceInformation,java.io.Serializable,java.lang.String,org.springframework.data.rest.webmvc.PersistentEntityResourceAssembler) throws java.lang.Exception
2018-09-19 10:08:32.898  INFO 38518 --- [           main] o.s.d.r.w.RepositoryRestHandlerMapping   : Mapped "{[/{repository}/{id}/{property}],methods=[DELETE],produces=[application/hal+json || application/json]}" onto public org.springframework.http.ResponseEntity<? extends org.springframework.hateoas.ResourceSupport> org.springframework.data.rest.webmvc.RepositoryPropertyReferenceController.deletePropertyReference(org.springframework.data.rest.webmvc.RootResourceInformation,java.io.Serializable,java.lang.String) throws java.lang.Exception
2018-09-19 10:08:32.898  INFO 38518 --- [           main] o.s.d.r.w.RepositoryRestHandlerMapping   : Mapped "{[/{repository}/{id}/{property}],methods=[GET],produces=[application/x-spring-data-compact+json || text/uri-list]}" onto public org.springframework.http.ResponseEntity<org.springframework.hateoas.ResourceSupport> org.springframework.data.rest.webmvc.RepositoryPropertyReferenceController.followPropertyReferenceCompact(org.springframework.data.rest.webmvc.RootResourceInformation,java.io.Serializable,java.lang.String,org.springframework.data.rest.webmvc.PersistentEntityResourceAssembler) throws java.lang.Exception
2018-09-19 10:08:32.899  INFO 38518 --- [           main] o.s.d.r.w.RepositoryRestHandlerMapping   : Mapped "{[/{repository}/{id}/{property}],methods=[PATCH || PUT || POST],consumes=[application/json || application/x-spring-data-compact+json || text/uri-list],produces=[application/hal+json || application/json]}" onto public org.springframework.http.ResponseEntity<? extends org.springframework.hateoas.ResourceSupport> org.springframework.data.rest.webmvc.RepositoryPropertyReferenceController.createPropertyReference(org.springframework.data.rest.webmvc.RootResourceInformation,org.springframework.http.HttpMethod,org.springframework.hateoas.Resources<java.lang.Object>,java.io.Serializable,java.lang.String) throws java.lang.Exception
2018-09-19 10:08:32.899  INFO 38518 --- [           main] o.s.d.r.w.RepositoryRestHandlerMapping   : Mapped "{[/{repository}/{id}/{property}/{propertyId}],methods=[DELETE],produces=[application/hal+json || application/json]}" onto public org.springframework.http.ResponseEntity<org.springframework.hateoas.ResourceSupport> org.springframework.data.rest.webmvc.RepositoryPropertyReferenceController.deletePropertyReferenceId(org.springframework.data.rest.webmvc.RootResourceInformation,java.io.Serializable,java.lang.String,java.lang.String) throws java.lang.Exception
2018-09-19 10:08:32.901  INFO 38518 --- [           main] o.s.d.r.w.RepositoryRestHandlerMapping   : Mapped "{[/{repository}/search],methods=[HEAD],produces=[application/hal+json || application/json]}" onto public org.springframework.http.HttpEntity<?> org.springframework.data.rest.webmvc.RepositorySearchController.headForSearches(org.springframework.data.rest.webmvc.RootResourceInformation)
2018-09-19 10:08:32.901  INFO 38518 --- [           main] o.s.d.r.w.RepositoryRestHandlerMapping   : Mapped "{[/{repository}/search],methods=[GET],produces=[application/hal+json || application/json]}" onto public org.springframework.data.rest.webmvc.RepositorySearchesResource org.springframework.data.rest.webmvc.RepositorySearchController.listSearches(org.springframework.data.rest.webmvc.RootResourceInformation)
2018-09-19 10:08:32.901  INFO 38518 --- [           main] o.s.d.r.w.RepositoryRestHandlerMapping   : Mapped "{[/{repository}/search/{search}],methods=[GET],produces=[application/hal+json || application/json]}" onto public org.springframework.http.ResponseEntity<?> org.springframework.data.rest.webmvc.RepositorySearchController.executeSearch(org.springframework.data.rest.webmvc.RootResourceInformation,org.springframework.util.MultiValueMap<java.lang.String, java.lang.Object>,java.lang.String,org.springframework.data.rest.webmvc.support.DefaultedPageable,org.springframework.data.domain.Sort,org.springframework.data.rest.webmvc.PersistentEntityResourceAssembler,org.springframework.http.HttpHeaders)
2018-09-19 10:08:32.902  INFO 38518 --- [           main] o.s.d.r.w.RepositoryRestHandlerMapping   : Mapped "{[/{repository}/search],methods=[OPTIONS],produces=[application/hal+json || application/json]}" onto public org.springframework.http.HttpEntity<?> org.springframework.data.rest.webmvc.RepositorySearchController.optionsForSearches(org.springframework.data.rest.webmvc.RootResourceInformation)
2018-09-19 10:08:32.902  INFO 38518 --- [           main] o.s.d.r.w.RepositoryRestHandlerMapping   : Mapped "{[/{repository}/search/{search}],methods=[GET],produces=[application/x-spring-data-compact+json]}" onto public org.springframework.hateoas.ResourceSupport org.springframework.data.rest.webmvc.RepositorySearchController.executeSearchCompact(org.springframework.data.rest.webmvc.RootResourceInformation,org.springframework.http.HttpHeaders,org.springframework.util.MultiValueMap<java.lang.String, java.lang.Object>,java.lang.String,java.lang.String,org.springframework.data.rest.webmvc.support.DefaultedPageable,org.springframework.data.domain.Sort,org.springframework.data.rest.webmvc.PersistentEntityResourceAssembler)
2018-09-19 10:08:32.902  INFO 38518 --- [           main] o.s.d.r.w.RepositoryRestHandlerMapping   : Mapped "{[/{repository}/search/{search}],methods=[OPTIONS],produces=[application/hal+json || application/json]}" onto public org.springframework.http.ResponseEntity<java.lang.Object> org.springframework.data.rest.webmvc.RepositorySearchController.optionsForSearch(org.springframework.data.rest.webmvc.RootResourceInformation,java.lang.String)
2018-09-19 10:08:32.902  INFO 38518 --- [           main] o.s.d.r.w.RepositoryRestHandlerMapping   : Mapped "{[/{repository}/search/{search}],methods=[HEAD],produces=[application/hal+json || application/json]}" onto public org.springframework.http.ResponseEntity<java.lang.Object> org.springframework.data.rest.webmvc.RepositorySearchController.headForSearch(org.springframework.data.rest.webmvc.RootResourceInformation,java.lang.String)
2018-09-19 10:08:32.903  INFO 38518 --- [           main] o.s.d.r.w.RepositoryRestHandlerMapping   : Mapped "{[/ || ],methods=[OPTIONS],produces=[application/hal+json || application/json]}" onto public org.springframework.http.HttpEntity<?> org.springframework.data.rest.webmvc.RepositoryController.optionsForRepositories()
2018-09-19 10:08:32.903  INFO 38518 --- [           main] o.s.d.r.w.RepositoryRestHandlerMapping   : Mapped "{[/ || ],methods=[HEAD],produces=[application/hal+json || application/json]}" onto public org.springframework.http.ResponseEntity<?> org.springframework.data.rest.webmvc.RepositoryController.headForRepositories()
2018-09-19 10:08:32.904  INFO 38518 --- [           main] o.s.d.r.w.RepositoryRestHandlerMapping   : Mapped "{[/ || ],methods=[GET],produces=[application/hal+json || application/json]}" onto public org.springframework.http.HttpEntity<org.springframework.data.rest.webmvc.RepositoryLinksResource> org.springframework.data.rest.webmvc.RepositoryController.listRepositories()
2018-09-19 10:08:32.907  INFO 38518 --- [           main] o.s.d.r.w.BasePathAwareHandlerMapping    : Mapped "{[/profile],methods=[OPTIONS]}" onto public org.springframework.http.HttpEntity<?> org.springframework.data.rest.webmvc.ProfileController.profileOptions()
2018-09-19 10:08:32.907  INFO 38518 --- [           main] o.s.d.r.w.BasePathAwareHandlerMapping    : Mapped "{[/profile],methods=[GET]}" onto org.springframework.http.HttpEntity<org.springframework.hateoas.ResourceSupport> org.springframework.data.rest.webmvc.ProfileController.listAllFormsOfMetadata()
2018-09-19 10:08:32.907  INFO 38518 --- [           main] o.s.d.r.w.BasePathAwareHandlerMapping    : Mapped "{[/profile/{repository}],methods=[GET],produces=[application/schema+json]}" onto public org.springframework.http.HttpEntity<org.springframework.data.rest.webmvc.json.JsonSchema> org.springframework.data.rest.webmvc.RepositorySchemaController.schema(org.springframework.data.rest.webmvc.RootResourceInformation)
2018-09-19 10:08:32.908  INFO 38518 --- [           main] o.s.d.r.w.BasePathAwareHandlerMapping    : Mapped "{[/profile/{repository}],methods=[OPTIONS],produces=[application/alps+json]}" onto org.springframework.http.HttpEntity<?> org.springframework.data.rest.webmvc.alps.AlpsController.alpsOptions()
2018-09-19 10:08:32.908  INFO 38518 --- [           main] o.s.d.r.w.BasePathAwareHandlerMapping    : Mapped "{[/profile/{repository}],methods=[GET],produces=[application/alps+json || */*]}" onto org.springframework.http.HttpEntity<org.springframework.data.rest.webmvc.RootResourceInformation> org.springframework.data.rest.webmvc.alps.AlpsController.descriptor(org.springframework.data.rest.webmvc.RootResourceInformation)
2018-09-19 10:08:33.101  INFO 38518 --- [           main] o.s.j.e.a.AnnotationMBeanExporter        : Registering beans for JMX exposure on startup
2018-09-19 10:08:33.104  INFO 38518 --- [           main] o.s.j.e.a.AnnotationMBeanExporter        : Bean with name 'dataSource' has been autodetected for JMX exposure
2018-09-19 10:08:33.109  INFO 38518 --- [           main] o.s.j.e.a.AnnotationMBeanExporter        : Located MBean 'dataSource': registering with JMX server as MBean [com.zaxxer.hikari:name=dataSource,type=HikariDataSource]
2018-09-19 10:08:33.146 ERROR 38518 --- [           main] o.apache.catalina.core.StandardService   : Failed to start connector [Connector[HTTP/1.1-8080]]

org.apache.catalina.LifecycleException: Failed to start component [Connector[HTTP/1.1-8080]]
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:167) ~[tomcat-embed-core-8.5.34.jar:8.5.34]
    at org.apache.catalina.core.StandardService.addConnector(StandardService.java:225) ~[tomcat-embed-core-8.5.34.jar:8.5.34]
    at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.addPreviouslyRemovedConnectors(TomcatWebServer.java:256) [spring-boot-2.0.5.RELEASE.jar:2.0.5.RELEASE]
    at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.start(TomcatWebServer.java:198) [spring-boot-2.0.5.RELEASE.jar:2.0.5.RELEASE]
    at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.startWebServer(ServletWebServerApplicationContext.java:300) [spring-boot-2.0.5.RELEASE.jar:2.0.5.RELEASE]
    at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.finishRefresh(ServletWebServerApplicationContext.java:162) [spring-boot-2.0.5.RELEASE.jar:2.0.5.RELEASE]
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:553) [spring-context-5.0.9.RELEASE.jar:5.0.9.RELEASE]
    at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:140) [spring-boot-2.0.5.RELEASE.jar:2.0.5.RELEASE]
    at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:780) [spring-boot-2.0.5.RELEASE.jar:2.0.5.RELEASE]
    at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:412) [spring-boot-2.0.5.RELEASE.jar:2.0.5.RELEASE]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:333) [spring-boot-2.0.5.RELEASE.jar:2.0.5.RELEASE]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1277) [spring-boot-2.0.5.RELEASE.jar:2.0.5.RELEASE]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1265) [spring-boot-2.0.5.RELEASE.jar:2.0.5.RELEASE]
    at com.teamtreehouse.Application.main(Application.java:10) [classes/:na]
Caused by: org.apache.catalina.LifecycleException: Protocol handler start failed
    at org.apache.catalina.connector.Connector.startInternal(Connector.java:1020) ~[tomcat-embed-core-8.5.34.jar:8.5.34]
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) ~[tomcat-embed-core-8.5.34.jar:8.5.34]
    ... 13 common frames omitted
Caused by: java.net.BindException: Address already in use
    at sun.nio.ch.Net.bind0(Native Method) ~[na:1.8.0_181]
    at sun.nio.ch.Net.bind(Net.java:433) ~[na:1.8.0_181]
    at sun.nio.ch.Net.bind(Net.java:425) ~[na:1.8.0_181]
    at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:223) ~[na:1.8.0_181]
    at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:74) ~[na:1.8.0_181]
    at org.apache.tomcat.util.net.NioEndpoint.bind(NioEndpoint.java:219) ~[tomcat-embed-core-8.5.34.jar:8.5.34]
    at org.apache.tomcat.util.net.AbstractEndpoint.start(AbstractEndpoint.java:1151) ~[tomcat-embed-core-8.5.34.jar:8.5.34]
    at org.apache.coyote.AbstractProtocol.start(AbstractProtocol.java:591) ~[tomcat-embed-core-8.5.34.jar:8.5.34]
    at org.apache.catalina.connector.Connector.startInternal(Connector.java:1018) ~[tomcat-embed-core-8.5.34.jar:8.5.34]
    ... 14 common frames omitted

2018-09-19 10:08:33.150  INFO 38518 --- [           main] o.apache.catalina.core.StandardService   : Stopping service [Tomcat]
2018-09-19 10:08:33.162  INFO 38518 --- [           main] ConditionEvaluationReportLoggingListener : 

Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2018-09-19 10:08:33.163 ERROR 38518 --- [           main] o.s.b.d.LoggingFailureAnalysisReporter   : 

***************************
APPLICATION FAILED TO START
***************************

Description:

The Tomcat connector configured to listen on port 8080 failed to start. The port may already be in use or the connector may be misconfigured.

Action:

Verify the connector's configuration, identify and stop any process that's listening on port 8080, or configure this application to listen on another port.

2018-09-19 10:08:33.165  INFO 38518 --- [           main] ConfigServletWebServerApplicationContext : Closing org.springframework.boot.web.servlet.context.AnnotationConfigServletWebServerApplicationContext@78b1cc93: startup date [Wed Sep 19 10:08:28 CEST 2018]; root of context hierarchy
2018-09-19 10:08:33.167  INFO 38518 --- [           main] o.s.j.e.a.AnnotationMBeanExporter        : Unregistering JMX-exposed beans on shutdown
2018-09-19 10:08:33.167  INFO 38518 --- [           main] o.s.j.e.a.AnnotationMBeanExporter        : Unregistering JMX-exposed beans
2018-09-19 10:08:33.169  INFO 38518 --- [           main] j.LocalContainerEntityManagerFactoryBean : Closing JPA EntityManagerFactory for persistence unit 'default'
2018-09-19 10:08:33.169  INFO 38518 --- [           main] .SchemaDropperImpl$DelayedDropActionImpl : HHH000477: Starting delayed drop of schema as part of SessionFactory shut-down'
2018-09-19 10:08:33.176  INFO 38518 --- [           main] com.zaxxer.hikari.HikariDataSource       : HikariPool-1 - Shutdown initiated...
2018-09-19 10:08:33.178  INFO 38518 --- [           main] com.zaxxer.hikari.HikariDataSource       : HikariPool-1 - Shutdown completed.

Process finished with exit code 1

Answer 3 · 2018-09-19T08:59:20Z

September 19, 2018 8:59am

The old 'turning it off and on' fixed the problem. Seems like even though I closed IntelliJ and terminated the App running the server somehow kept running in the background. After a reboot it started without any troubles.

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