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對(duì)于取值Session里面的集合問題

今天做權(quán)限想取得用戶里面的角色由于我做的是多對(duì)多所以不能按照多對(duì)一的點(diǎn)get去獲得所以在循環(huán)的時(shí)候報(bào)錯(cuò) 由于沒有配置opensessionviewfilter 所以頁面不會(huì)自動(dòng)去加載集合里面的數(shù)據(jù) 所以我們需要配置Opensessionviewfilter來加載集合里面的數(shù)據(jù) 從而做到我們所需要的功能下面是Opensessionviewfilter的配置記住放在Struts2的前面

<filter-name>openSessionInView</filter-name>

<filter-class>org.springframework.orm.hibernate3.support.OpenSessionInViewFilter</filter-class>

</filter>

<filter-mapping>

<filter-name>openSessionInView</filter-name>

<url-pattern>/*</url-pattern>

</filter-mapping>

再此感謝ninja的幫忙大家可以去了解Session的特性和懶加載！

posted @ 2011-09-06 18:21 China_dam 閱讀(400) | 評(píng)論 (0) | 編輯收藏

SSH批量Checkbox修改

摘要: 閱讀全文

posted @ 2011-08-23 16:04 China_dam 閱讀(997) | 評(píng)論 (0) | 編輯收藏

S2SH分頁留有給有需要的！！

daoimp：

1 /**
2      * @用戶數(shù)據(jù)分頁 pageNo 當(dāng)前頁數(shù) pageSize 每頁行數(shù)
3      */
4     public List<Users> getUsersFenye(final int pageNo, final int pageSize)
5             throws Exception {
6         List<Users> list = (List<Users>) this.getHibernateTemplate()
7                 .executeFind(new HibernateCallback() {
8                     public Object doInHibernate(Session session)
9                             throws HibernateException, SQLException {
10                         return session
11                                 .createQuery(
12                                         "from Users users where usid != 1 order by usid asc")
13                                 .setFirstResult(pageNo * (pageSize))
14                                 .setMaxResults(pageSize).list();
15                     }
16                 });
17         return list;
18     }

Action:

1 public String getList() {
2         List<Users> list = null;
3         int pageNo = request.getParameter("pageNo") == null ? 0 : Integer
4                 .parseInt(request.getParameter("pageNo"));// 當(dāng)前頁數(shù)
5         int pageSize = 5;// 每頁顯示的行數(shù)
6         int rows = 0;// 總共的行數(shù)
7         try {
8             rows = usersDao.selectUsers().size();
9             // 通過查詢所有再點(diǎn)它的size
10             int pages = rows % pageSize == 0 ? rows / pageSize : rows
11                     / pageSize + 1;// 查詢出總共的頁數(shù)
12             // 進(jìn)行判斷當(dāng)前的頁數(shù)小于一就讓它顯示首頁
13             if (pageNo < 0) {
14                 pageNo = 0;
15                 // 當(dāng)前頁數(shù)大于尾頁顯示尾頁
16             } else if (pageNo > pages - 1) {
17                 pageNo = pages - 1;
18             }
19             list = usersDao.getUsersFenye(pageNo, pageSize);
20             request.setAttribute("uList", list);
21             request.setAttribute("pageNo", pageNo);
22             request.setAttribute("pages", pages);
23         } catch (Exception e) {
24             e.printStackTrace();
25         }
26         return "selectUAll";
27     }

還算簡(jiǎn)單沒有什么復(fù)雜的代碼希望能幫到大家??！

posted @ 2011-08-09 15:32 China_dam 閱讀(387) | 評(píng)論 (0) | 編輯收藏

代碼重構(gòu)閱讀心得[轉(zhuǎn)]

代碼重構(gòu)閱讀心得[轉(zhuǎn)]
　　最近閱讀Martin Flower的《重構(gòu)》，對(duì)自己有許多啟發(fā)，以前認(rèn)為一些正確的觀點(diǎn)現(xiàn)在看來也不那么正確了；同時(shí)發(fā)現(xiàn)對(duì)重構(gòu)的理解只有在閱讀了書之后更加徹底；在閱讀《重構(gòu)》之后我對(duì)其中幾點(diǎn)有點(diǎn)感觸：

　　1. 在沒有具體閱讀《重構(gòu)》之前，我認(rèn)為重構(gòu)就是將代碼變的容易理解，容易維護(hù)，但在閱讀了《重構(gòu)》之后才發(fā)現(xiàn)重構(gòu)不僅可以利用到重新構(gòu)造已有的代碼，也可以幫助我們?cè)陂喿x代碼的過程中增加我們的對(duì)代碼理解的速度。其實(shí)我想每個(gè)學(xué)習(xí)編寫代碼的同行都在學(xué)習(xí)的過程中閱讀過別人的代碼，然后還有可能將別人的代碼拿到計(jì)算機(jī)上編譯運(yùn)行來查看結(jié)果表現(xiàn)。實(shí)際上我認(rèn)為這在某種意義上屬于重構(gòu)，只是重構(gòu)的粒度有多大，或許你修改別人的代碼一部分來查看修改的結(jié)果，從而幫助自己掌握軟件中的更多特性，或者說讓自己修改的代碼表現(xiàn)出原來的功能。Martin Flower說的就是如此，我們?nèi)绻麤]有得到別人完整的文檔，那我們?cè)趺礃硬拍芾斫鈩e人的代碼來，好的辦法就是我們一邊閱讀別人的代碼，一邊部分部分的修改他人的代碼，然后測(cè)試每次修改的結(jié)果與以前的結(jié)果是否一樣，如果一樣，那么你的重構(gòu)代碼是正確，那么你肯定能夠理解你自己寫的代碼吧（自己都不理解自己的代碼就不要干了）；別人的代碼就這樣在我們一部分一部分重構(gòu)當(dāng)中被我們理解了。

　　2. 以前我們寫代碼的時(shí)候喜歡設(shè)計(jì)，設(shè)計(jì)的我們認(rèn)為很詳細(xì)了，然后開始將所有的功能模塊都寫完，接著再調(diào)試，在調(diào)試的過程中我們可能花費(fèi)比寫代碼長(zhǎng)的多的時(shí)間。是的，因?yàn)槟阍谶\(yùn)行一個(gè)復(fù)雜的東西，當(dāng)然不容易搞定了。Martin Flower認(rèn)為我們調(diào)試的時(shí)間可以不用那么長(zhǎng)，原因是我們不能在寫完了一個(gè)復(fù)雜系統(tǒng)的時(shí)候再調(diào)試，我們可以先建立一個(gè)好的測(cè)試用例，在寫這個(gè)測(cè)試用例的過程中我們更能對(duì)整個(gè)系統(tǒng)了解，也能夠幫助我們寫代碼；然后我們一點(diǎn)點(diǎn)的寫，寫一部分測(cè)試一下，保證每次新寫的代碼都能正確運(yùn)行，從而當(dāng)代碼寫完了，系統(tǒng)調(diào)試也完畢了。這樣的情況下可以認(rèn)為我們沒有在調(diào)試上花時(shí)間，我們把時(shí)間花在測(cè)試和編寫代碼上了。

　　3. 以前認(rèn)為代碼當(dāng)中注釋越多越好。Martin Flower又一次給我們教訓(xùn)說，寫注釋是因?yàn)槟愕拇a已經(jīng)不能告訴代碼閱讀者他的真實(shí)意思了。是的，好的代碼可以通過很多方式表達(dá)其自身的含義，例如變量的名稱，函數(shù)的名稱等；就如一個(gè)比較條件判斷來說吧，我們有必要的情況下將這個(gè)即使很短的條件抽取一個(gè)方法，然后用方法名稱來告訴讀者判斷的真實(shí)意義，如果這里直接使用條件判斷就要讓讀者迷惑半天，當(dāng)然這里的前提是給變量和函數(shù)起一個(gè)合適的名字，這是考驗(yàn)程序員真功夫的地方了。另外，這里說的不是說寫注釋不好，如我的目的是如果代碼可以描述意義了，注釋就不需要寫了，這樣就讓你省了一件事情：保證代碼和注釋的同步，這不是更好。

　　4. 在之前我也認(rèn)為重構(gòu)會(huì)花費(fèi)很大代碼，因?yàn)槲覀円斫獯a，重新編寫；但為了修改BUG，Martin Flower告訴我們重構(gòu)是最快的。也許不相信，我也不相信，但他說的有道理，容易修改的BUG，當(dāng)然早就被修改了，那么剩下的BUG就很難找了，主要因?yàn)榇a中的邏輯不清楚，重構(gòu)可以改變這種情況，讓我們的代碼有條有理，那么當(dāng)然BUG就無處藏身了。

　　5. 勇于接受變化。以前認(rèn)為用戶頻繁的變化需求是不可理喻，實(shí)際上是我們自己不可理喻，他們花錢當(dāng)然需要能提供高質(zhì)量的服務(wù)；而Martin Flower認(rèn)為不用怕改變，我們有重構(gòu)工具，重構(gòu)可以讓我們代碼任何時(shí)候都是清楚的，容易修改的，那么變化是件快樂的事情不再象以前那樣艱難了。

　　6. 重構(gòu)與性能不是是對(duì)立的。重構(gòu)讓代碼容易理解，而性能讓代碼變的難以理解，不過我們?cè)陂_始的時(shí)候應(yīng)該考慮怎么樣讓代碼容易理解和維護(hù)，這樣我們可以在后面適當(dāng)?shù)臅r(shí)候?qū)Υa的某部分進(jìn)行輕松的性能改進(jìn)工作。本人做性能改進(jìn)工作有段時(shí)間了，想從龐大的雜亂無章的、不熟悉的代碼中找出性能的bottleneck的確不是一件容易的事情，我需要的是理解代碼，理解流程，那么如果一個(gè)結(jié)構(gòu)很好的代碼對(duì)于我來說就好對(duì)付多了。因此他們不是對(duì)立的，性能以重構(gòu)為基礎(chǔ)的。

　　其實(shí)通過重構(gòu)，最主要的目的是讓我們的代碼更清晰，更輕巧，更容易被維護(hù)，那么也就是我們有良好的代碼，于是我們還懼怕什么，什么都可以輕松搞定。同樣《重構(gòu)》認(rèn)為代碼隨時(shí)都是清晰的、輕巧的，一般你的代碼不再具有以上特點(diǎn)，那么我們就需要使用重構(gòu)了。

posted @ 2011-08-05 11:22 China_dam 閱讀(879) | 評(píng)論 (0) | 編輯收藏

SSH關(guān)于多表插入只能插入一張關(guān)系表的問題

今天弄項(xiàng)目有個(gè)表關(guān)聯(lián)了兩張其他表從而做插入的時(shí)候要給兩張關(guān)系表添加數(shù)據(jù) 但是在添加數(shù)據(jù)的時(shí)候就發(fā)生了麻煩事只能添加一張關(guān)系表另外一張關(guān)系表死活添加不進(jìn)去結(jié)果在檢察映射文件的時(shí)候發(fā)現(xiàn)了問題給大家看看我的映射文件是怎么配置的吧

<key>

</key>

<many-to-many entity-name="com.kinrich.mediaStorage.dto.Customers">

</many-to-many>

</set>

<key>

</key>

<many-to-many entity-name="com.kinrich.mediaStorage.dto.Users">

</many-to-many>

</set>

應(yīng)該細(xì)心的朋友發(fā)現(xiàn)了點(diǎn)什么吧我做插入的時(shí)候第一個(gè)Set能插入第二個(gè)就插入不了原因就在與 Hibernate在自動(dòng)映射的時(shí)候在第二個(gè)上面添加了inverse="true" 結(jié)果就造成了這個(gè)表的數(shù)據(jù)添加不進(jìn)去。至于inverse的效果大家可以去了解下。

posted @ 2011-08-02 15:51 China_dam 閱讀(781) | 評(píng)論 (0) | 編輯收藏

SSH+ORACLE 怎么樣把yyyy-MM-dd hh:mm:ss變成yyyy-MM-hh

直接在映射文件下面把getter方法改了例如我這樣

public Date getStarttime(){

SimpleDateFormat s=new SimpleDateFormat("yyyy-MM-dd");

return java.sql.Date.valueOf(s.format(this.starttime));

}

在頁面上面就不要再做改變了！

posted @ 2011-08-01 15:18 China_dam 閱讀(382) | 評(píng)論 (0) | 編輯收藏

org.hibernate.DuplicateMappingException錯(cuò)誤

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'contactDao' defined in ServletContext resource [/WEB-INF/applicationContext.xml]: Cannot resolve reference to bean 'sessionFactory' while setting bean property 'sessionFactory'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sessionFactory' defined in ServletContext resource [/WEB-INF/applicationContext.xml]: Invocation of init method failed; nested exception is org.hibernate.DuplicateMappingException: Duplicate collection role mapping com.mediaStorage.dto.Menu.userses
2

at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:275)
3

at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:104)
4

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1244)
5

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1008)
6

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:470)
7

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory$1.run(AbstractAutowireCapableBeanFactory.java:409)
8

at java.security.AccessController.doPrivileged(Native Method)
9

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:380)
10

at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:264)
11

at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:220)
12

at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:261)
13

at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:185)
14

at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:164)
15

at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:429)
16

at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:729)
17

at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:381)
18

at org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.java:255)
19

at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:199)
20

at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:45)
21

at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3827)
22

at org.apache.catalina.core.StandardContext.start(StandardContext.java:4334)
23

at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791)
24

at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771)
25

at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:525)
26

at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:920)
27

at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:883)
28

at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:492)
29

at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1138)
30

at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311)
31

at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
32

at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053)
33

at org.apache.catalina.core.StandardHost.start(StandardHost.java:719)
34

at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
35

at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
36

at org.apache.catalina.core.StandardService.start(StandardService.java:516)
37

at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
38

at org.apache.catalina.startup.Catalina.start(Catalina.java:566)
39

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
40

at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
41

at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
42

at java.lang.reflect.Method.invoke(Unknown Source)
43

at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288)
44

at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)
45

Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sessionFactory' defined in ServletContext resource [/WEB-INF/applicationContext.xml]: Invocation of init method failed; nested exception is org.hibernate.DuplicateMappingException: Duplicate collection role mapping com.mediaStorage.dto.Menu.userses
46

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1336)
47

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:471)
48

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory$1.run(AbstractAutowireCapableBeanFactory.java:409)
49

at java.security.AccessController.doPrivileged(Native Method)
50

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:380)
51

at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:264)
52

at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:220)
53

at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:261)
54

at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:185)
55

at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:164)
56

at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:269)
57

42 more
58

Caused by: org.hibernate.DuplicateMappingException: Duplicate collection role mapping com.mediaStorage.dto.Menu.userses
59

at org.hibernate.cfg.Mappings.addCollection(Mappings.java:124)
60

at org.hibernate.cfg.HbmBinder.createClassProperties(HbmBinder.java:2066)
61

at org.hibernate.cfg.HbmBinder.createClassProperties(HbmBinder.java:2041)
62

at org.hibernate.cfg.HbmBinder.bindRootPersistentClassCommonValues(HbmBinder.java:359)
63

at org.hibernate.cfg.HbmBinder.bindRootClass(HbmBinder.java:273)
64

at org.hibernate.cfg.HbmBinder.bindRoot(HbmBinder.java:144)
65

at org.hibernate.cfg.Configuration.add(Configuration.java:669)
66

at org.hibernate.cfg.Configuration.addInputStream(Configuration.java:504)
67

at org.springframework.orm.hibernate3.LocalSessionFactoryBean.buildSessionFactory(LocalSessionFactoryBean.java:631)
68

at org.springframework.orm.hibernate3.AbstractSessionFactoryBean.afterPropertiesSet(AbstractSessionFactoryBean.java:211)
69

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1367)
70

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1333)
71

52 more
72

org.hibernate.DuplicateMappingException: Duplicate collection role mapping com.kinrich.mediaStorage.dto.Menu.userses
查資料發(fā)現(xiàn)這個(gè)錯(cuò)誤是Menu里面的userses重復(fù)了從Menu.java檢查到Menu.hbm.xml 結(jié)果都沒有發(fā)現(xiàn)錯(cuò)誤，后面檢查applicationContext.xml文件的mappingResources時(shí)發(fā)現(xiàn)我的有句value重復(fù)了原來我是從那句開始是用的Ctrl+Alt往下復(fù)制的后面做完沒檢查就出現(xiàn)了這個(gè)錯(cuò)誤。

下次選擇用快捷鍵操作也要注意檢查下是否正確。不然出了錯(cuò)誤也就把快捷鍵省下的那點(diǎn)時(shí)間都浪費(fèi)還有多。

posted @ 2011-07-19 13:40 China_dam 閱讀(7168) | 評(píng)論 (0) | 編輯收藏

java.lang.NoClassDefFoundError: javax/el/ExpressionFactory錯(cuò)誤

信息: validateJarFile(E:\workspace\Tomcat5.5\webapps\mediaStorage\WEB-INF\lib\javaee.jar) - jar not loaded. See Servlet Spec 2.3, section 9.7.2. Offending class: javax/servlet/Servlet.class
2

ERROR - Error configuring application listener of class com.sun.faces.config.ConfigureListener
3

java.lang.NoClassDefFoundError: javax/el/ExpressionFactory
4

at java.lang.Class.getDeclaredConstructors0(Native Method)
5

at java.lang.Class.privateGetDeclaredConstructors(Class.java:2328)
6

at java.lang.Class.getConstructor0(Class.java:2640)
7

at java.lang.Class.newInstance0(Class.java:321)
8

at java.lang.Class.newInstance(Class.java:303)
9

at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3712)
10

at org.apache.catalina.core.StandardContext.start(StandardContext.java:4211)
11

at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:759)
12

at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:739)
13

at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:524)
14

at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:904)
15

at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:867)
16

at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:474)
17

at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1122)
18

at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:310)
19

at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
20

at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1021)
21

at org.apache.catalina.core.StandardHost.start(StandardHost.java:718)
22

at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1013)
23

at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:442)
24

at org.apache.catalina.core.StandardService.start(StandardService.java:450)
25

at org.apache.catalina.core.StandardServer.start(StandardServer.java:709)
26

at org.apache.catalina.startup.Catalina.start(Catalina.java:551)
27

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
28

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
29

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
30

at java.lang.reflect.Method.invoke(Method.java:585)
31

at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:294)
32

at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:432)
33

ERROR - Skipped installing application listeners due to previous error(s)

這個(gè)錯(cuò)誤是很簡(jiǎn)單到網(wǎng)上下一個(gè)javaee.jar放到Tomcat5.X 的common/lib下面就好了

posted @ 2011-05-20 15:24 China_dam 閱讀(4777) | 評(píng)論 (0) | 編輯收藏

readOnly錯(cuò)誤

org.springframework.dao.InvalidDataAccessApiUsageException: Write operations are not allowed in read-only mode (FlushMode.NEVER/MANUAL): Turn your Session into FlushMode.COMMIT/AUTO or remove 'readOnly' marker from transaction definition.
at org.springframework.orm.hibernate3.HibernateTemplate.checkWriteOperationAllowed(HibernateTemplate.java:1182)
at org.springframework.orm.hibernate3.HibernateTemplate$12.doInHibernate(HibernateTemplate.java:692)
at org.springframework.orm.hibernate3.HibernateTemplate.doExecute(HibernateTemplate.java:419)
at org.springframework.orm.hibernate3.HibernateTemplate.executeWithNativeSession(HibernateTemplate.java:374)
at org.springframework.orm.hibernate3.HibernateTemplate.save(HibernateTemplate.java:690)
at com.kinrich.mediaStorage.daoimp.ManageMediaDaoImp.addMedia(ManageMediaDaoImp.java:20)
at com.kinrich.mediaStorage.action.ManageMediaAction.addMedia(ManageMediaAction.java:52)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at com.opensymphony.xwork2.DefaultActionInvocation.invokeAction(DefaultActionInvocation.java:441)
at com.opensymphony.xwork2.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.java:280)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:243)
at com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:165)
at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
at com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:252)
at org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:68)
at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
at com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.java:122)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
at com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:195)
at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
at com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:195)
at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
at com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept(StaticParametersInterceptor.java:179)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
at org.apache.struts2.interceptor.MultiselectInterceptor.intercept(MultiselectInterceptor.java:75)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
at org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:94)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
at org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:235)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
at com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(ModelDrivenInterceptor.java:89)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
at com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.intercept(ScopedModelDrivenInterceptor.java:130)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
at org.apache.struts2.interceptor.debugging.DebuggingInterceptor.intercept(DebuggingInterceptor.java:267)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
at com.opensymphony.xwork2.interceptor.ChainingInterceptor.intercept(ChainingInterceptor.java:126)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
at com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(PrepareInterceptor.java:138)
at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
at com.opensymphony.xwork2.interceptor.I18nInterceptor.intercept(I18nInterceptor.java:165)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
at org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletConfigInterceptor.java:164)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
at com.opensymphony.xwork2.interceptor.AliasInterceptor.intercept(AliasInterceptor.java:179)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
at com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:176)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
at org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:52)
at org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:488)
at org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOperations.java:77)
at org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:91)
at com.kinrich.mediaStorage.filter.MyFilter.doFilter(MyFilter.java:22)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:198)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
at java.lang.Thread.run(Thread.java:595)

今天遇到這個(gè)錯(cuò)誤    按照網(wǎng)上的方法我一一試了下但是結(jié)果都不行無語了繼續(xù)找我的錯(cuò)誤

我暈了   ApplicationContext文件和源文件都仔細(xì)檢查了   為什么web.xml不仔細(xì)檢查下呢以前寫的
<filter>
  <filter-name>session</filter-name>
  <filter-class>
   org.springframework.orm.hibernate3.support.OpenSessionInViewFilter
  </filter-class>
</filter>
<filter-mapping>
  <filter-name>session</filter-name>
  <url-pattern>/*</url-pattern>
</filter-mapping>
忘記刪掉了   習(xí)慣問題啊害了我一下午還好解決了   原因是因?yàn)楦遗渲玫氖挛锲饹_突所以報(bào)錯(cuò)
我事物配置如下：

<bean id="txtTemplate" abstract="true"

class="org.springframework.transaction.interceptor.TransactionProxyFactoryBean">

<props>

<prop key="*">PROPAGATION_REQUIRED,readOnly</prop>

<prop key="select*">PROPAGATION_REQUIRED</prop>

<prop key="add*">PROPAGATION_REQUIRED</prop>

<prop key="update*">PROPAGATION_REQUIRED</prop>

<prop key="delete*">PROPAGATION_REQUIRED</prop>

</props>

</property>

</bean>

posted @ 2011-05-16 16:30 China_dam 閱讀(3010) | 評(píng)論 (0) | 編輯收藏

第一篇隨筆

今天在java博客園開通了我的博客希望能和大家多多交流下心得作為新手的我可能沒有很多心得來交流但是我會(huì)努力的在這行發(fā)展下去！?。?！

posted @ 2011-05-14 23:38 China_dam 閱讀(157) | 評(píng)論 (0) | 編輯收藏

2011年5月14日

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