NPE Batch edit

[Daniel Zoller]

java.lang.NullPointerException
        at org.springframework.beans.BeanWrapperImpl.createDefaultPropertyValue(BeanWrapperImpl.java:620)
        at org.springframework.beans.BeanWrapperImpl.setDefaultValue(BeanWrapperImpl.java:614)
        at org.springframework.beans.BeanWrapperImpl.getNestedBeanWrapper(BeanWrapperImpl.java:579)
        at org.springframework.beans.BeanWrapperImpl.getBeanWrapperForPropertyPath(BeanWrapperImpl.java:553)
        at org.springframework.beans.BeanWrapperImpl.getBeanWrapperForPropertyPath(BeanWrapperImpl.java:554)
        at org.springframework.beans.BeanWrapperImpl.getPropertyValue(BeanWrapperImpl.java:719)
        at org.springframework.validation.AbstractPropertyBindingResult.getActualFieldValue(AbstractPropertyBindingResult.java:99)
        at org.springframework.validation.AbstractBindingResult.rejectValue(AbstractBindingResult.java:105)
        at org.springframework.validation.BindException.rejectValue(BindException.java:122)
        at org.bibsonomy.webapp.controller.actions.BatchEditController.updatePosts(BatchEditController.java:725)
        at org.bibsonomy.webapp.controller.actions.BatchEditController.workOn(BatchEditController.java:489)
        at org.bibsonomy.webapp.controller.actions.BatchEditController.workOn(BatchEditController.java:102)
        at org.bibsonomy.webapp.util.spring.controller.MinimalisticControllerSpringWrapper.handleRequestInternal(MinimalisticControllerSpringWrapper.java:247)

[Daniel Zoller]

I think i fixed all bugs with 6167ec9. Please reopen if the error still occurs.