NPE starting Crowd if license does not have maintenance expiry date

		java.lang.NullPointerException
		@400000005163152e33f1a15c       at com.atlassian.crowd.manager.license.CrowdLicenseManagerImpl.isBuildWithinMaintenancePeriod(CrowdLicenseManagerImpl.java:262)
		@400000005163152e33f1a544       at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
		@400000005163152e33f1d80c       at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
		@400000005163152e33f1dbf4       at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
		@400000005163152e33f1dfdc       at java.lang.reflect.Method.invoke(Method.java:597)
		@400000005163152e33f1e3c4       at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:318)
		@400000005163152e33f1eb94       at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)
		@400000005163152e33f1ef7c       at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
		@400000005163152e33f1f364       at com.atlassian.spring.interceptors.SpringProfilingInterceptor.invoke(SpringProfilingInterceptor.java:16)
		@400000005163152e33f20ad4       at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
		@400000005163152e33f20ebc       at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110)
		@400000005163152e33f212a4       at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
		@400000005163152e33f23d9c       at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)
		@400000005163152e33f24184       at $Proxy16.isBuildWithinMaintenancePeriod(Unknown Source)
		@400000005163152e33f2456c       at com.atlassian.crowd.console.listener.StartupListener.isLicenseValid(StartupListener.java:214)
		@400000005163152e33f24954       at com.atlassian.crowd.console.listener.StartupListener.contextInitialized(StartupListener.java:58)
		@400000005163152e33f25124       at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4205)