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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(yè)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(398) | 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(994) | 評(píng)論 (0) | 編輯收藏

S2SH分頁(yè) 留有給有需要的！！

daoimp：

1 /**
2      * @用戶數(shù)據(jù)分頁(yè) pageNo 當(dāng)前頁(yè)數(shù) pageSize 每頁(yè)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(yè)數(shù)
5         int pageSize = 5;// 每頁(yè)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(yè)數(shù)
12             // 進(jìn)行判斷當(dāng)前的頁(yè)數(shù)小于一就讓它顯示首頁(yè)
13             if (pageNo < 0) {
14                 pageNo = 0;
15                 // 當(dāng)前頁(yè)數(shù)大于尾頁(yè) 顯示尾頁(yè)
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(385) | 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(872) | 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(779) | 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(yè)面上面就不要再做改變了！

posted @ 2011-08-01 15:18 China_dam 閱讀(378) | 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(7164) | 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(4774) | 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(yǔ)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(3006) | 評(píng)論 (0) | 編輯收藏

2011年5月16日

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