INFO  13:49:05,617 | org.apache.james.container.spring.context.JamesServerApplicationContext | Refreshing org.apache.james.container.spring.context.JamesServerApplicationContext@7823a2f9: startup date [Wed Mar 14 13:49:05 CET 2018]; root of context hierarchy
WARN  13:49:07,000 | org.apache.james.container.spring.context.JamesServerApplicationContext | Exception encountered during context initialization - cancelling refresh attempt
org.springframework.beans.FatalBeanException: Unable to config the indexer; nested exception is org.apache.commons.configuration.ConfigurationException: Unable to load configuration for component indexer
	at org.apache.james.container.spring.bean.factorypostprocessor.IndexerConfigurationBeanFactoryPostProcessor.postProcessBeanFactory(IndexerConfigurationBeanFactoryPostProcessor.java:70)
	at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:696)
	at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:686)
	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:461)
	at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:139)
	at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:93)
	at org.apache.james.container.spring.context.JamesServerApplicationContext.<init>(JamesServerApplicationContext.java:40)
	at org.apache.james.app.spring.JamesAppSpringMain.init(JamesAppSpringMain.java:61)
	at org.apache.james.app.spring.JamesAppSpringMain.main(JamesAppSpringMain.java:42)
Caused by: org.apache.commons.configuration.ConfigurationException: Unable to load configuration for component indexer
	at org.apache.james.container.spring.lifecycle.ConfigurationProviderImpl.getConfiguration(ConfigurationProviderImpl.java:135)
	at org.apache.james.container.spring.bean.factorypostprocessor.IndexerConfigurationBeanFactoryPostProcessor.postProcessBeanFactory(IndexerConfigurationBeanFactoryPostProcessor.java:47)
	... 8 more