私はgradleとspringブートで遊んで始め、以下に示すような簡単なチュートリアルを選んだ。私のセットアップも以下にリストされています。grale 3とjava 7のスプリングブートはサーバーの起動時に失敗する
このチュートリアルではJava 1.8が必要であると述べていますが、gradleとbootの両方をJava 1.7でも使用できることを読んでいます。
この単純なチュートリアルがJava 1.7で動作しない理由は何ですか?どうやら...
私はgradlewを次のように作成します:gradle wrapper --gradle-version 3.0
そして私のgradleビルドコマンドをususalとして実行します:./gradlew build && java -jar build/libs/gs-spring-boot-0.1.0.jar
私のプロジェクトディレクトリにあります。
セットアップ:
OS:12.04 LTS 32ビット
Javaのバージョン "1.7.0_80"
チュートリアル:
build.gradle(注:私は指定ターゲット/ sourceCompatibility = 1.7):
buildscript {
repositories {
mavenCentral()
}
dependencies {
classpath("org.springframework.boot:spring-boot-gradle-plugin:1.4.0.RELEASE")
}
}
apply plugin: 'java'
apply plugin: 'eclipse'
apply plugin: 'idea'
apply plugin: 'spring-boot'
jar {
baseName = 'gs-spring-boot'
version = '0.1.0'
}
repositories {
mavenCentral()
}
sourceCompatibility = 1.7
targetCompatibility = 1.7
dependencies {
// tag::jetty[]
compile("org.springframework.boot:spring-boot-starter-web") {
exclude module: "spring-boot-starter-tomcat"
}
compile("org.springframework.boot:spring-boot-starter-jetty")
// end::jetty[]
// tag::actuator[]
compile("org.springframework.boot:spring-boot-starter-actuator")
// end::actuator[]
testCompile("junit:junit")
}
出力エラーがで起こること
注サーバーの起動、つまりここに: org.springframework.context.ApplicationContextException: Unable to start embedded container
[email protected]:/vagrant/BootTutorial$ ./gradlew build && java -jar build/libs/gs-spring-boot-0.1.0.jar
:compileJava UP-TO-DATE
:processResources UP-TO-DATE
:classes UP-TO-DATE
:findMainClass
:jar
:bootRepackage
:assemble
:compileTestJava UP-TO-DATE
:processTestResources UP-TO-DATE
:testClasses UP-TO-DATE
:test UP-TO-DATE
:check UP-TO-DATE
:build
BUILD SUCCESSFUL
Total time: 4.835 secs
. ____ _ __ _ _
/\\/___'_ __ _ _(_)_ __ __ _ \ \ \ \
(()\___ | '_ | '_| | '_ \/ _` | \ \ \ \
\\/ ___)| |_)| | | | | || (_| | ))))
' |____| .__|_| |_|_| |_\__, |////
=========|_|==============|___/=/_/_/_/
:: Spring Boot :: (v1.4.0.RELEASE)
2016-09-03 18:57:49.456 INFO 2043 --- [ main] hello.Application : Starting Application on precise32 with PID 2043 (/vagrant/BootTutorial/build/libs/gs-spring-boot-0.1.0.jar started by vagrant in /vagrant/BootTutorial)
2016-09-03 18:57:49.518 INFO 2043 --- [ main] hello.Application : No active profile set, falling back to default profiles: default
2016-09-03 18:57:50.136 INFO 2043 --- [ main] ationConfigEmbeddedWebApplicationContext : Refreshing org.springframework.boot[email protected]65b0e5: startup date [Sat Sep 03 18:57:50 AEST 2016]; root of context hierarchy
2016-09-03 18:57:58.795 WARN 2043 --- [ main] ationConfigEmbeddedWebApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: 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.
2016-09-03 18:57:59.019 ERROR 2043 --- [ main] o.s.boot.SpringApplication : Application startup failed
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:137) ~[spring-boot-1.4.0.RELEASE.jar!/:1.4.0.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:535) ~[spring-context-4.3.2.RELEASE.jar!/:4.3.2.RELEASE]
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:122) ~[spring-boot-1.4.0.RELEASE.jar!/:1.4.0.RELEASE]
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:759) [spring-boot-1.4.0.RELEASE.jar!/:1.4.0.RELEASE]
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:369) [spring-boot-1.4.0.RELEASE.jar!/:1.4.0.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:313) [spring-boot-1.4.0.RELEASE.jar!/:1.4.0.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1185) [spring-boot-1.4.0.RELEASE.jar!/:1.4.0.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1174) [spring-boot-1.4.0.RELEASE.jar!/:1.4.0.RELEASE]
at hello.Application.main(Application.java:13) [classes!/:na]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.7.0_80]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) ~[na:1.7.0_80]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.7.0_80]
at java.lang.reflect.Method.invoke(Method.java:606) ~[na:1.7.0_80]
at org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:48) [gs-spring-boot-0.1.0.jar:na]
at org.springframework.boot.loader.Launcher.launch(Launcher.java:87) [gs-spring-boot-0.1.0.jar:na]
at org.springframework.boot.loader.Launcher.launch(Launcher.java:50) [gs-spring-boot-0.1.0.jar:na]
at org.springframework.boot.loader.JarLauncher.main(JarLauncher.java:58) [gs-spring-boot-0.1.0.jar:na]
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:189) ~[spring-boot-1.4.0.RELEASE.jar!/:1.4.0.RELEASE]
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.createEmbeddedServletContainer(EmbeddedWebApplicationContext.java:162) ~[spring-boot-1.4.0.RELEASE.jar!/:1.4.0.RELEASE]
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.onRefresh(EmbeddedWebApplicationContext.java:134) ~[spring-boot-1.4.0.RELEASE.jar!/:1.4.0.RELEASE]
... 16 common frames omitted
[email protected]:/vagrant/BootTutorial$
既存の回答が無効になるように質問を編集しないでください。代わりに、新しい質問を作成します。 – Matt