java.lang.IllegalArgumentException: original must not be null

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  • java.lang.IllegalArgumentException: original must not be null at difflib.DiffUtils.diff(DiffUtils.java:95)[diffutils-1.3.0.jar:na] at difflib.DiffUtils.diff(DiffUtils.java:51)[diffutils-1.3.0.jar:na] at com.baidu.disconf.web.common.comparator.StringComparator.getDeltas(StringComparator.java:32)[classes/:na] at com.baidu.disconf.web.common.comparator.CommonComparator.getChunksByType(CommonComparator.java:31)[classes/:na] at com.baidu.disconf.web.common.comparator.CommonComparator.getChangesFromOriginal(CommonComparator.java:16)[classes/:na] at com.baidu.disconf.web.utils.DiffUtils.getDiff(DiffUtils.java:55)[classes/:na] at com.baidu.disconf.web.service.config.service.impl.ConfigMgrImpl.updateItemValue(ConfigMgrImpl.java:428)[classes/:na] at com.baidu.disconf.web.service.config.service.impl.ConfigMgrImpl$$FastClassBySpringCGLIB$$7099537e.invoke(<generated>)[spring-core-4.1.7.RELEASE.jar:na] at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204)[spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE] at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:717)[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE] at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE] at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99)[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE] at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:281)[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE] at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96)[spring-tx-4.1.7.RELEASE.jar:4.1.7.RELEASE] at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE] at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:653)[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE] at com.baidu.disconf.web.service.config.service.impl.ConfigMgrImpl$$EnhancerBySpringCGLIB$$11c0729a.updateItemValue(<generated>)[spring-core-4.1.7.RELEASE.jar:na] at com.baidu.disconf.web.web.config.controller.ConfigUpdateController.updateItem(ConfigUpdateController.java:66)[classes/:na] at com.baidu.disconf.web.web.config.controller.ConfigUpdateController$$FastClassBySpringCGLIB$$d464ad9d.invoke(<generated>)[spring-core-4.1.7.RELEASE.jar:na] at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204)[spring-core-4.1.7.RELEASE.jar:4.1.7.RELEASE] at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:717)[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE] at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE] at org.springframework.aop.aspectj.MethodInvocationProceedingJoinPoint.proceed(MethodInvocationProceedingJoinPoint.java:85)[spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE] at com.baidu.disconf.web.service.roleres.service.RoleResourceAspect.decideAccess(RoleResourceAspect.java:109)[classes/:na] at sun.reflect.GeneratedMethodAccessor105.invoke(Unknown Source)[na:na]
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