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java.lang.NullPointerException: 	at com.atlassian.crowd.integration.model.RemotePrincipal.getEmail(RemotePrincipal.java:81)	at com.atlassian.crowd.integration.directory.connector.SpringLDAPConnector.updatePrincipal(SpringLDAPConnector.java:688)	at com.atlassian.crowd.manager.directory.DirectoryManagerGeneric.updatePrincipalAttribute(DirectoryManagerGeneric.java:1738)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:585)	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:287)	at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:181)	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:148)	at org.springframework.orm.hibernate3.HibernateInterceptor.invoke(HibernateInterceptor.java:88)	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:170)	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:176)	at $Proxy9.updatePrincipalAttribute(Unknown Source)	at com.atlassian.crowd.service.soap.SecurityServerGeneric.updatePrincipalAttribute(SecurityServerGeneric.java:310)