워드파일 생성중 오류

java.lang.NullPointerException at com.threerabbitz.book.domain.a.J.a(SourceFile:280) at com.threerabbitz.word.a.b.a(SourceFile:5128) at com.threerabbitz.word.a.g.g(SourceFile:55) at com.threerabbitz.word.a.g.a(SourceFile:41) at com.threerabbitz.word.WordMaker.a(SourceFile:107) at com.threerabbitz.book.controller.WordController.build(SourceFile:41) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at com.threerabbitz.base.h.b(SourceFile:1095) at com.threerabbitz.base.i.a(SourceFile:53) at com.threerabbitz.base.FrontFilter.doFilter(SourceFile:72) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:212) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:94) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:492) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:141) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:80) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:502) at org.apache.coyote.ajp.AbstractAjpProcessor.process(AbstractAjpProcessor.java:870) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:684) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1539) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1495) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:748)

위와같이 에러메세지가 나타나며 워드파일이 정상적으로 저장되지 않습니다. 문서를 새로만들기하여 전체 챕터를 그대로 붙여넣기 해서 만들었을때는 정상동작합니다. 내용의 문제는 아닌듯한데.. 마음같아서는 새로 문서를 만들고 싶으나 이력관리때문에 어렵습니다. 오류 원인 확인 요청드립니다.