Spring boot 1.3 M2 failed to start the embedded container -

i trying migrate apring boot 1.2.5 1.3.0.m2, following exception... suggestions?

caused by: org.springframework.beans.factory.nouniquebeandefinitionexception: no qualifying bean of type [org.springframework.boot.autoconfigure.web.serverproperties] defined: expected single matching bean found 2: serverproperties,server.configuration_properties @ org.springframework.beans.factory.support.defaultlistablebeanfactory.doresolvedependency(defaultlistablebeanfactory.java:1073) @ org.springframework.beans.factory.support.defaultlistablebeanfactory.resolvedependency(defaultlistablebeanfactory.java:961) @ org.springframework.beans.factory.annotation.autowiredannotationbeanpostprocessor$autowiredfieldelement.inject(autowiredannotationbeanpostprocessor.java:543) ... 38 more 

you might have run bug, see duplicate bean definition serverproperties when using spring session in hierarchical context. fixed in 1.3.0.rc1.