mybatis beanupdate报错

public String getSuccessBack() {
return successBack;
}

public void setSuccessBack(String successBack) {
this.successBack = successBack;
}

public boolean isSuccessBack() {
return StringUtils.isBlank(successBack) ? false : true;
}

public boolean isBack(){
return StringUtils.isBlank(successBack)?false:true;
}