我为遗留数据库开发了一个 grails/groovy 应用程序,该数据库具有用于(添加、编辑)用户信息的用户维护页面。该页面正在使用 editinplace 和 ajax 来更新信息。
该程序已在本地测试,没有问题。但是,在任何远程服务器(alpha、beta、prod)上,当我“更新”用户的任何属性时,它会将其保存在数据库中,但是当我刷新页面时,内容“有时”会返回以前的值。如果我一直按刷新 (F5),它将在新旧值之间切换而没有任何特定趋势。(无法在本地复制)
我认为这可能是缓存问题,所以我在用户域上将缓存设置为 false
class User {
static hasMany = [notes: Note]
static mapping = {
table 'MICR_USERS'
cache false
version false
id generator:'sequence', column:'SEQ_ID', params:[sequence:'MICR_USR']
lineOfBusiness column:'LOB_APP_CODE'
authorityProfile column:'AUTH_PRIVILEGE_LEVEL', lazy:false
}
...
我认为可能导致问题的另一件事是列表操作中的 createCriteria,我也将缓存设置为 false
def list = {
def f = getUserList(session.oldSearchUserTextBox?:null)
return [list:f,oldSearchKeyword:session.oldSearchUserTextBox]
}
private getUserList(String searchFilter){
....
def c = User.createCriteria()
def results
if (searchFilter) {
results = c.list (max: params.max, offset: params.offset) {
or {
ilike ("oraAcct", "%"+ searchFilter+"%" )
ilike ("lastName", "%"+ searchFilter+"%" )
ilike ("firstName", "%"+ searchFilter+"%" )
}
order("oraAcct", "asc")
cache false
}
}
else {
results = c.list (max: params.max, offset: params.offset) {
cache false
order("oraAcct", "asc")
}
}
[userInstanceList : results,userInstanceTotal :results.getTotalCount()]
}
这是我的保存方法
private JSON saveValidateObj(def myUser,def oldValue,def fieldname,def returnFieldName){
try {
def value = myUser."$fieldname"
if( myUser.validate() && myUser.save(flush:true) ) {
if (returnFieldName) value = value."$returnFieldName"
flashMessage = getMess('user.information.update.success',[
myUser.oraAcct,
oldValue,
value
])
def json = ['value':value,'id':params.id,'updatedField': fieldname,'errorList':null,'errMessage':null,'okMessage':flashMessage]
def j = json as JSON
return j
}
......
似乎休眠保留了不同版本的数据,并且通过随机刷新页面,将显示其中一个版本。然而,最新的值占主导地位并且出现得更频繁,但仍然看到旧值出现在屏幕上是毁灭性的。
这些是我做过但没有帮助的步骤 1- 关闭缓存(检查休眠统计信息以确保其关闭) cache.use_second_level_cache=false cache.use_query_cache=false
2-在不同的浏览器中尝试过
3-清理浏览器缓存并删除cookies
我对 websphere 也很怀疑,这是我的生产服务器,我的本地服务器是 apache,但真的不知道为什么它会这样反应
Grails/休眠 1.1
我仍然有这个问题,想不出别的。我很感激,如果有人可以给我任何提示
新发现
如果我使用select u.id, u.sysAcct, u.firstName, u.lastName, u.mailAddress, u.phoneExt from User u...
问题将得到解决。但如果我使用select u from User u,...
问题会再次发生。出于某种原因,如果我返回 User 对象,则会发生此问题。getUserListHSQLStatic 和 getUserListHSQL 基本相同,只是一个是返回对象,一个是返回字段。静态值永远不会通过按 F5 改变,但对象(用户)会改变。
private getUserListHSQLStatic(params){
def filter = params.filter
def newlist
def count
def query = """
select
u.id, u.sysAcct, u.firstName, u.lastName, u.mailAddress, u.phoneExt
,lob.name,auth.name
from User u, AuthorityProfile auth, LineOfBusiness lob
where u.authorityProfile = auth.id
and u.lineOfBusiness = lob.id
and u.sysAcct not like '%DUMMY%'
"""
if (filter){
query +="""
and (u.sysAcct like :filter or
u.sysAcct like :lfilter or
u.firstName like :filter or
u.firstName like :lfilter or
u.lastName like :filter or
u.lastName like :lfilter
) order by u.sysAcct asc
"""
def filterMap = [filter:"%${filter.toUpperCase()}%",lfilter:"%${filter.toLowerCase()}%"]
newlist = User.executeQuery(query,filterMap,
[ max:params?.max?.toInteger()?:10, offset:params?.offset?.toInteger()?:0]
)
count = User.executeQuery(query,filterMap).size()
}
else {
query += " order by u.sysAcct asc "
newlist = User.executeQuery(query,[max:params?.max?.toInteger()?:10, offset:params?.offset?.toInteger()?:0])
count = User.executeQuery(query).size()
}
[userInstanceList:newlist,userInstanceTotal:count]
}
private getUserListHSQL(params){
def mysession = sessionFactory.currentSession
if (params.reset=="true"){
println "clear session"
mysession.clear()
}
def filter = params.filter
def newlist
def count
def query = """
select u
from User u, AuthorityProfile auth, LineOfBusiness lob
where u.authorityProfile = auth.id
and u.lineOfBusiness = lob.id
and u.sysAcct not like '%DUMMY%'
"""
if (filter){
query +="""
and (u.sysAcct like :filter or
u.sysAcct like :lfilter or
u.firstName like :filter or
u.firstName like :lfilter or
u.lastName like :filter or
u.lastName like :lfilter
) order by u.sysAcct asc
"""
def filterMap = [filter:"%${filter.toUpperCase()}%",lfilter:"%${filter.toLowerCase()}%"]
newlist = User.executeQuery(query,filterMap,
[ max:params?.max?.toInteger()?:10, offset:params?.offset?.toInteger()?:0]
)
count = User.executeQuery(query,filterMap).size()
}
else {
query += " order by u.sysAcct asc "
newlist = User.executeQuery(query,[max:params?.max?.toInteger()?:10, offset:params?.offset?.toInteger()?:0])
count = User.executeQuery(query).size()
}
[userInstanceList:newlist,userInstanceTotal:count]
}