While deploying more than one Spring Boot application in a single Tomcat server means showing exception. How to solve this?

Question

I am using Spring Boot in my Java application, and to deployment used Tomcat 7. I was trying to deploy multiple Spring Boot projects in the same server it showing exceptions. But deploy one Spring Boot application and another one was Spring application means it's working.

The exception is:

2016-01-22 08:05:18.301  INFO 16021 --- [ost-startStop-1] o.s.j.e.a.AnnotationMBeanExporter        : Bean with name 'environmentManager' has been autodetected for JMX exposure
2016-01-22 08:05:18.303  INFO 16021 --- [ost-startStop-1] o.s.j.e.a.AnnotationMBeanExporter        : Located managed bean 'environmentManager': registering with JMX server as MBean [org.springframework.cloud.context.environment:name=environmentManager,type=EnvironmentManager]
2016-01-22 08:05:18.312  INFO 16021 --- [ost-startStop-1] .b.l.ClasspathLoggingApplicationListener : Application failed to start with classpath: [file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/classes/, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/activation-1.1.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/antlr-2.7.7.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/aopalliance-1.0.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/aopalliance-repackaged-2.3.0-b10.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/apns-0.1.6.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/asm-all-repackaged-2.3.0-b10.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/aspectjrt-1.8.6.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/aspectjweaver-1.8.6.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/bcpkix-jdk15on-1.47.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/bcprov-jdk15on-1.47.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/bean-validator-2.3.0-b10.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/class-model-2.3.0-b10.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/classmate-1.0.0.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/com.ibm.jbatch-tck-spi-1.0.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/commons-beanutils-1.9.2.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/commons-codec-1.9.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/commons-collections-3.2.1.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/commons-digester-2.1.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/commons-fileupload-1.3.1.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/commons-io-2.2.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/commons-lang-2.4.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/commons-logging-1.0.4.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/commons-validator-1.3.1.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/config-types-2.3.0-b10.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/core-2.3.0-b10.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/dom4j-1.6.1.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/hamcrest-core-1.3.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/hibernate-commons-annotations-4.0.5.Final.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/hibernate-core-4.3.10.Final.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/hibernate-entitymanager-4.3.10.Final.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/hibernate-jpa-2.1-api-1.0.0.Final.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/hibernate-jpamodelgen-4.3.10.Final.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/hibernate-validator-5.1.3.Final.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/hk2-2.3.0-b10.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/hk2-api-2.3.0-b10.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/hk2-config-2.3.0-b10.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/hk2-locator-2.3.0-b10.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/hk2-runlevel-2.3.0-b10.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/hk2-utils-2.3.0-b10.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/hornetq-commons-2.4.7.Final.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/hornetq-core-client-2.4.7.Final.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/hornetq-jms-client-2.4.7.Final.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/hornetq-journal-2.4.7.Final.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/hornetq-native-2.4.7.Final.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/hsqldb-2.3.3.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/httpclient-4.5.1.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/httpcore-4.4.3.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/imgscalr-lib-4.2.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/jackson-annotations-2.4.6.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/jackson-core-2.4.6.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/jackson-core-asl-1.4.0.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/jackson-databind-2.4.6.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/jackson-jaxrs-base-2.3.2.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/jackson-jaxrs-json-provider-2.3.2.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/jackson-mapper-asl-1.4.0.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/jackson-module-jaxb-annotations-2.3.2.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/jandex-1.1.0.Final.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/javassist-3.18.1-GA.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/javax.annotation-api-1.2.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/javax.batch-api-1.0.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/javax.inject-1.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/javax.inject-2.3.0-b10.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/javax.transaction-api-1.2.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/javax.ws.rs-api-2.0.1.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/jboss-annotations-api_1.2_spec-1.0.0.Final.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/jboss-jms-api_2.0_spec-1.0.0.Final.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/jboss-logging-3.1.3.GA.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/jboss-logging-annotations-1.2.0.Beta1.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/jboss-websocket-api_1.1_spec-1.1.0.Final.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/jcl-over-slf4j-1.7.12.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/jersey-bean-validation-2.12.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/jersey-client-2.12.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/jersey-common-2.12.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/jersey-container-servlet-2.12.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/jersey-container-servlet-core-2.12.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/jersey-guava-2.12.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/jersey-media-json-jackson-2.12.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/jersey-media-multipart-2.12.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/jersey-server-2.12.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/jersey-spring3-2.12.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/jettison-1.2.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/jgroups-3.3.4.Final.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/json-simple-1.1.1.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/jul-to-slf4j-1.7.12.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/junit-4.12.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/log4j-over-slf4j-1.7.12.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/logback-classic-1.1.3.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/logback-core-1.1.3.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/mail-1.4.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/mimepull-1.9.3.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/mysql-connector-java-5.1.35.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/neo4j-cypher-compiler-2.1-2.1.5.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/netty-all-4.0.13.Final.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/opencsv-2.3.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/osgi-resource-locator-1.0.1.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/parboiled-core-1.1.6.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/parboiled-scala_2.10-1.1.6.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/scala-library-2.10.4.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/slf4j-api-1.7.12.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/snakeyaml-1.14.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/spring-aop-4.1.6.RELEASE.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/spring-aspects-4.1.6.RELEASE.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/spring-batch-core-3.0.4.RELEASE.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/spring-batch-infrastructure-3.0.4.RELEASE.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/spring-beans-4.1.6.RELEASE.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/spring-boot-1.2.5.RELEASE.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/spring-boot-actuator-1.2.5.RELEASE.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/spring-boot-autoconfigure-1.2.5.RELEASE.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/spring-boot-starter-1.2.5.RELEASE.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/spring-boot-starter-actuator-1.2.5.RELEASE.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/spring-boot-starter-aop-1.2.5.RELEASE.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/spring-boot-starter-batch-1.2.5.RELEASE.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/spring-boot-starter-data-jpa-1.2.5.RELEASE.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/spring-boot-starter-hornetq-1.2.5.RELEASE.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/spring-boot-starter-jdbc-1.2.5.RELEASE.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/spring-boot-starter-jersey-1.2.5.RELEASE.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/spring-boot-starter-logging-1.2.5.RELEASE.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/spring-boot-starter-security-1.2.5.RELEASE.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/spring-boot-starter-undertow-1.2.5.RELEASE.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/spring-boot-starter-web-1.2.5.RELEASE.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/spring-bridge-2.3.0-b10.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/spring-cloud-commons-1.0.2.RELEASE.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/spring-cloud-context-1.0.2.RELEASE.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/spring-cloud-security-1.0.2.RELEASE.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/spring-cloud-starter-1.0.3.RELEASE.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/spring-cloud-starter-oauth2-1.0.3.RELEASE.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/spring-cloud-starter-security-1.0.3.RELEASE.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/spring-context-4.1.6.RELEASE.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/spring-core-4.1.7.RELEASE.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/spring-data-commons-1.9.2.RELEASE.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/spring-data-jpa-1.7.2.RELEASE.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/spring-expression-4.1.6.RELEASE.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/spring-jdbc-4.1.6.RELEASE.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/spring-jms-4.1.6.RELEASE.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/spring-messaging-4.1.6.RELEASE.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/spring-orm-4.1.6.RELEASE.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/spring-retry-1.1.2.RELEASE.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/spring-security-config-3.2.7.RELEASE.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/spring-security-core-3.2.7.RELEASE.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/spring-security-crypto-3.2.7.RELEASE.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/spring-security-jwt-1.0.3.RELEASE.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/spring-security-oauth2-2.0.7.RELEASE.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/spring-security-web-3.2.7.RELEASE.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/spring-social-core-1.1.2.RELEASE.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/spring-tx-4.1.6.RELEASE.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/spring-web-4.1.6.RELEASE.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/spring-webmvc-4.1.6.RELEASE.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/tiger-types-1.4.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/tomcat-jdbc-8.0.23.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/tomcat-juli-8.0.23.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/undertow-core-1.1.7.Final.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/undertow-servlet-1.1.7.Final.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/undertow-websockets-jsr-1.1.7.Final.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/validation-api-1.1.0.Final.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/xml-apis-1.0.b2.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/xmlpull-1.1.3.1.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/xnio-api-3.3.0.Final.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/xnio-nio-3.3.0.Final.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/xpp3_min-1.1.4c.jar, file:/usr/local/apache-tomcat-7.0.34/webapps/sunbox/WEB-INF/lib/xstream-1.4.2.jar]
2016-01-22 08:05:18.317  INFO 16021 --- [ost-startStop-1] utoConfigurationReportLoggingInitializer : 

Error starting ApplicationContext. To display the auto-configuration report enable debug logging (start with --debug)


2016-01-22 08:05:18.324 ERROR 16021 --- [ost-startStop-1] o.s.boot.SpringApplication               : Application startup failed

org.springframework.jmx.export.UnableToRegisterMBeanException: Unable to register MBean [org.springframework.cloud.context.environment.EnvironmentManager@5edb3f8d] with key 'environmentManager'; nested exception is javax.management.InstanceAlreadyExistsException: org.springframework.cloud.context.environment:name=environmentManager,type=EnvironmentManager
	at org.springframework.jmx.export.MBeanExporter.registerBeanNameOrInstance(MBeanExporter.java:625)
	at org.springframework.jmx.export.MBeanExporter.registerBeans(MBeanExporter.java:550)
	at org.springframework.jmx.export.MBeanExporter.afterSingletonsInstantiated(MBeanExporter.java:432)
	at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:775)
	at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:757)
	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:480)
	at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:118)
	at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:686)
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:320)
	at org.springframework.boot.context.web.SpringBootServletInitializer.run(SpringBootServletInitializer.java:119)
	at org.springframework.boot.context.web.SpringBootServletInitializer.createRootApplicationContext(SpringBootServletInitializer.java:110)
	at org.springframework.boot.context.web.SpringBootServletInitializer.onStartup(SpringBootServletInitializer.java:69)
	at org.springframework.web.SpringServletContainerInitializer.onStartup(SpringServletContainerInitializer.java:175)
	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5274)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
	at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:901)
	at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877)
	at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:633)
	at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:977)
	at org.apache.catalina.startup.HostConfig$DeployWar.run(HostConfig.java:1655)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
	at java.util.concurrent.FutureTask.run(FutureTask.java:166)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:724)
Caused by: javax.management.InstanceAlreadyExistsException: org.springframework.cloud.context.environment:name=environmentManager,type=EnvironmentManager
	at com.sun.jmx.mbeanserver.Repository.addMBean(Repository.java:437)
	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerWithRepository(DefaultMBeanServerInterceptor.java:1898)
	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerDynamicMBean(DefaultMBeanServerInterceptor.java:966)
	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerObject(DefaultMBeanServerInterceptor.java:900)
	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerMBean(DefaultMBeanServerInterceptor.java:324)
	at com.sun.jmx.mbeanserver.JmxMBeanServer.registerMBean(JmxMBeanServer.java:522)
	at org.springframework.jmx.support.MBeanRegistrationSupport.doRegister(MBeanRegistrationSupport.java:195)
	at org.springframework.jmx.export.MBeanExporter.registerBeanInstance(MBeanExporter.java:678)
	at org.springframework.jmx.export.MBeanExporter.registerBeanNameOrInstance(MBeanExporter.java:615)
	... 25 common frames omitted

Answer 1

In my case, we need to have two of the same application online during updates before cutting over sessions to maintain 100% uptime. In this case, you cannot just specify a unique name (unless you update it for each potential deployment). Instead, I disabled jmx with the following setting in my application.yml file for all profiles:

spring:
  jmx:
    enabled: false