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use @autowired in abstract base class

由 自闭症网瘾萝莉.ら 提交于 2019-12-20 18:09:06
问题 As I know, field injection is not recommended. Should use constructor instead. What I'm trying to do here is using @Autowired in the constructor of the base class, and make it accessible for all the subclasses. In some subclasses, I also need some specific beans to be @Autowired from their constructors. Demo code is as following: Base class: public abstract class Base { protected final MyDemoService myDemoService; @Autowired public Base(MyDemoService myDemoService) { this.myDemoService =

Reading a dynamic property map into Spring managed bean

由 旧巷老猫 提交于 2019-12-20 12:38:22
问题 I have a properties file like this: my.properties file: app.One.id=1 app.One.val=60 app.Two.id=5 app.Two.val=75 And I read these values into a map property in my bean in Spring config file like this: spring-config.xml: <bean id="myBean" class="myClass" scope="singleton"> <property name="myMap"> <map> <entry key="${app.One.id}" value="${app.One.val}"/> <entry key="${app.Two.id}" value="${app.Two.val}"/> </map> </property> </bean> This way if I add a new id/val to the properties file, I must

ArrayOutOfBoundsException on Bean creation while using Java 8 constructs

由 你。 提交于 2019-12-20 09:13:10
问题 I am getting an ArrayIndexOutOfBoundsException on service start up (Bean creation) when i use Java 8 features. Java 8 has been set up and has been working. The code compiles correctly. On service start, the service fails to listen to port as the beans don't get created. When i change the code (remove java 8 constructs) the service starts and everything works fine. This is the code i am using (the working code for which the service starts): for (Item itemObject : response) { if (itemObject

java.lang.NoSuchMethodError:javax.servlet.jsp.PageContext.getELContext()Ljavax/el/ELContex

由 谁说我不能喝 提交于 2019-12-20 04:12:56
问题 i have this code which is not working. <jsp:useBean id="abbreviationlist" class="AbbreviationListType"/> <jsp:setProperty name="abbreviationlist" property="id"/> <table> <c:forEach items="${abbreviationlist.list}" var="abbreviation"> </c:forEach> </table> and i have the class AbbreviationListType with set and get methods for the list- get singnature is = public List<AbbreviationType> getList() can someone please point out what i am doing wrong ? cause this doesnt work and i get this stack

Exception inside CORBA when accessing a remote bean

由 对着背影说爱祢 提交于 2019-12-19 10:12:45
问题 On Windows Server with Glassfish 4.0 and JDK 1.7_55 I getting NoClassDefFoundError and ClassNotFoundException then invoking remote bean methods. StandardWrapperValve[action]: Servlet.service() for servlet action threw exception java.lang.ClassNotFoundException: com.sun.corba.ee.impl.orb.ORBSingleton at java.net.URLClassLoader$1.run(URLClassLoader.java:366) ... at com.sun.corba.ee.impl.presentation.rmi.codegen.CodegenStubBase.invoke(CodegenStubBase.java:226) at dudge.ifaces.__SolutionRemote

JavaBean 'value for the useBean class attribute classes.UserData is invalid' [duplicate]

由 一笑奈何 提交于 2019-12-19 10:09:20
问题 This question already has answers here : JasperException: The value for the useBean class attribute is invalid (6 answers) Closed 3 years ago . I have two JSPs and a JavaBean that aren't working. I'm using Tomcat 6.0. The first JSP is GetName.jsp, located at C:\Tomcat\webapps\app1\GetName.jsp: <HTML> <BODY> <FORM METHOD=POST ACTION="NextPage.jsp"> What's your name? <INPUT TYPE=TEXT NAME=username SIZE=20><BR> What's your e-mail address? <INPUT TYPE=TEXT NAME=email SIZE=20><BR> What's your age?

@SessionScoped CDI bean is a different Instance when injected

由 吃可爱长大的小学妹 提交于 2019-12-19 09:05:25
问题 My config is a bean that I inject in my code wherever I need it. However, when injected, I get a new instance of the bean instead of the one from the session. My bean: @Named @SessionScoped public class TestModel implements Serializable { private static final long serialVersionUID = 4873651498076344849L; private String version; public String getVersion() { return version; } public void setVersion(String version) { this.version = version; } public void changeVersion() { this.version = "Version

How to control order of bean init-method invocation in Spring?

由 风流意气都作罢 提交于 2019-12-19 06:05:10
问题 Suppose I have bean, which init-method or constructor should be called after init-method of another bean. Is it possible? 回答1: Use depends-on attribute in spring context XML file: <bean id="beanOne" class="ExampleBean" depends-on="manager"> <property name="manager"><ref local="manager"/></property> </bean> or @DependsOn annotation on bean if you are using annotations. 回答2: Use @DependsOn annotation or depends-on attribute if you're using xml configuration. 回答3: You can use de depends-on

convert SQL table to java bean class [closed]

由 孤者浪人 提交于 2019-12-18 18:07:36
问题 Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed last year . I'm working in web application using a huge number of SQL tables. I need to create for each table a java bean class. I'm searching for a tool that can convert SQL table to a java bean class. It will help to save time. Here is an example: studentTable (studentId, firstname, lastname, yearLevel) --> public class

JGoodies Binding vs. JSR 295

由 末鹿安然 提交于 2019-12-18 14:45:57
问题 What is the practical difference between JGoodies Binding and JSR 295, Beans Binding? They both seem to be intended for the same purpose and get their job done (with slightly different approaches). JGoodies Binding is more mature, but JSR 295 is eventually getting part of JDK in Java 7. Using a standard part of JDK is surely preferable to using a separate library for the same function, but are there other factors to consider? Are there yet some other alternatives? Choosing between these is
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