java.lang.IllegalStateException

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  • java.lang.IllegalStateException: Failed to execute CommandLineRunner ★★★ここ★★★ at org.springframework.boot.SpringApplication.callRunner(SpringApplication.java:809)[spring-boot-1.3.2.RELEASE.jar:1.3.2.RELEASE] at org.springframework.boot.SpringApplication.callRunners(SpringApplication.java:790)[spring-boot-1.3.2.RELEASE.jar:1.3.2.RELEASE] at org.springframework.boot.SpringApplication.afterRefresh(SpringApplication.java:777)[spring-boot-1.3.2.RELEASE.jar:1.3.2.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:308)[spring-boot-1.3.2.RELEASE.jar:1.3.2.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1191)[spring-boot-1.3.2.RELEASE.jar:1.3.2.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1180)[spring-boot-1.3.2.RELEASE.jar:1.3.2.RELEASE] at com.example.Main.main(Main.java:17)[classes/:na] Caused by: java.lang.NullPointerException: null ★★★ここ★★★ at com.example.service.ExampleService.doSomething(ExampleService.java:15) ~[classes/:na] ★★★ここ★★★ ~省略~ at com.example.Main.run(Main.java:21) [classes/:na] ★★★ここ★★★ at org.springframework.boot.SpringApplication.callRunner(SpringApplication.java:806)[spring-boot-1.3.2.RELEASE.jar:1.3.2.RELEASE] ... 6 more
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