PermGen space Tomact内存溢出问题

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping': Initialization of bean failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.web.servlet.handler.MappedInterceptor#0': Cannot create inner bean '(inner bean)#316c65' of type [org.springframework.web.servlet.handler.ConversionServiceExposingInterceptor] while setting constructor argument; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name '(inner bean)#316c65': Cannot resolve reference to bean 'org.springframework.format.support.FormattingConversionServiceFactoryBean#0' while setting constructor argument; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.format.support.FormattingConversionServiceFactoryBean#0': Invocation of init method failed; nested exception is java.lang.OutOfMemoryError: PermGen space

           

在Tomact目录webapps中删除一部分不用的项目，或者增大Tomact的内存分配