I built james from the source code and tried to run it, I got the following exception
jvm 1 | org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'smtpserver': Invocation of init method failed; nested exception is java.lang.NullPointerException jvm 1 | at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessBeforeInitialization(InitDestroyAnnotationBeanPostProcessor.java:133) jvm 1 | at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsBeforeInitialization(AbstractAutowireCapableBeanFactory.java:394) jvm 1 | at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1413) jvm 1 | at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:519) jvm 1 | at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:456) jvm 1 | at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:291) jvm 1 | at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) jvm 1 | at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:288) jvm 1 | at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:190) jvm 1 | at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:580) jvm 1 | at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:895) jvm 1 | at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:425) jvm 1 | at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:139) jvm 1 | at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:93) jvm 1 | at org.apache.james.container.spring.context.JamesServerApplicationContext.<init>(JamesServerApplicationContext.java:39) jvm 1 | at org.apache.james.container.spring.Main.main(Main.java:39) jvm 1 | at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) jvm 1 | at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) jvm 1 | at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) jvm 1 | at java.lang.reflect.Method.invoke(Method.java:597) jvm 1 | at org.tanukisoftware.wrapper.WrapperSimpleApp.run(WrapperSimpleApp.java:240) jvm 1 | at java.lang.Thread.run(Thread.java:662) jvm 1 | Caused by: java.lang.NullPointerException jvm 1 | at org.apache.james.protocols.impl.AbstractSSLAwareChannelPipelineFactory.<init>(AbstractSSLAwareChannelPipelineFactory.java:49) jvm 1 | at org.apache.james.smtpserver.netty.SMTPServer$SMTPChannelPipelineFactory.<init>(SMTPServer.java:290) jvm 1 | at org.apache.james.smtpserver.netty.SMTPServer.createPipelineFactory(SMTPServer.java:282) jvm 1 | at org.apache.james.protocols.impl.AbstractAsyncServer.bind(AbstractAsyncServer.java:107) jvm 1 | at org.apache.james.protocols.lib.netty.AbstractConfigurableAsyncServer.init(AbstractConfigurableAsyncServer.java:259) jvm 1 | at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) jvm 1 | at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) jvm 1 | at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) jvm 1 | at java.lang.reflect.Method.invoke(Method.java:597) jvm 1 | at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleElement.invoke(InitDestroyAnnotationBeanPostProcessor.java:340) jvm 1 | at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleMetadata.invokeInitMethods(InitDestroyAnnotationBeanPostProcessor.java:293) jvm 1 | at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessBeforeInitialization(InitDestroyAnnotationBeanPostProcessor.java:130) jvm 1 | ... 21 more