[minimum requirement]spring boot 1.3

아무리 맞춰봐도... 안되서.. 버전을 확인해봄... .. 버전이 조금씩 어긋나 있었음... 

A child container failed during start

java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Tomcat].StandardHost[localhost].

[minimum requirement spring boot 1.3]  >> spring framework 4.3

https://github.com/spring-projects/spring-boot/wiki/spring-boot-1.3-release-notes

Spring Boot 1.3 builds on and requires Spring Framework 4.2. Several 3rd party dependencies have 

https://docs.spring.io/spring-boot/docs/1.3.8.RELEASE/reference/html/getting-started-system-requirements.html

Name	Servlet Version	Java Version
Tomcat 8	3.1	Java 7+
Tomcat 7	3.0	Java 6+
Jetty 9	3.1	Java 7+
Jetty 8	3.0	Java 6+
Undertow 1.1	3.1	Java 7+

[minimum requirement spring framework 4.3] >> tomcat 8.5

https://docs.spring.io/spring/docs/4.3.10.RELEASE/spring-framework-reference/htmlsingle/

• Hibernate ORM 5.2 (still supporting 4.2/4.3 and 5.0/5.1 as well, with 3.6 deprecated now)
• Hibernate Validator 5.3 (minimum remains at 4.3)
• Jackson 2.8 (minimum raised to Jackson 2.6+ as of Spring 4.3)
• OkHttp 3.x (still supporting OkHttp 2.x side by side)
• Tomcat 8.5 as well as 9.0 milestones
• Netty 4.1
• Undertow 1.4
• WildFly 10.1

[minimum requirement Tomcat]

http://tomcat.apache.org/whichversion.html

Servlet Spec	JSP Spec	EL Spec	WebSocket Spec	JASPIC Spec	Apache Tomcat Version	Latest Released Version	Supported Java Versions
4.0	2.3	3.0	1.1	1.1	9.0.x	9.0.16	8 and later
3.1	2.3	3.0	1.1	1.1	8.5.x	8.5.38	7 and later
3.1	2.3	3.0	1.1	N/A	8.0.x (superseded)	8.0.53 (superseded)	7 and later
3.0	2.2	2.2	1.1	N/A	7.0.x	7.0.93	6 and later (7 and later for WebSocket)
2.5	2.1	2.1	N/A	N/A	6.0.x (archived)	6.0.53 (archived)	5 and later
2.4	2.0	N/A	N/A	N/A	5.5.x (archived)	5.5.36 (archived)	1.4 and later
2.3	1.2	N/A	N/A	N/A	4.1.x (archived)	4.1.40 (archived)	1.3 and later
2.2	1.1	N/A	N/A	N/A	3.3.x (archived)	3.3.2 (archived)	1.1 and later

그외 

mybatis

MyBatis-Spring	MyBatis	Spring
1.0.0 and 1.0.1	3.0.1 to 3.0.5	3.0.0 or higher
1.0.2	3.0.6	3.0.0 or higher
1.1.0 or higher	3.1.0 or higher	3.0.0 or higher
1.3.0 or higher	3.4.0 or higher	3.0.0 or higher