spring-mvc

[Solved] Spring MVC, Maven, CRUD, MongoDB [closed]

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[ad_1] Please read your error messages more carefully. You have an autowiring problem: NoSuchBeanDefinitionException: No qualifying bean of type **’com.mthree.service.UserService’** available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)} You should add an annotation to tell Spring that your bean is under its control: @Service(value = “userService”) public class UserServiceImpl … Read more

[Solved] I can create a student but it doesn’t save on mysql table. i get a console error that i can figure it out what it is [closed]

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Introduction [ad_1] If you are having trouble creating a student and saving it to a MySQL table, you have come to the right place. This post will provide you with a solution to your problem. We will discuss the console error you are receiving and how to troubleshoot it. By the end of this post, … Read more

[Solved] I can create a student but it doesn’t save on mysql table. i get a console error that i can figure it out what it is [closed]

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[ad_1] count the columns in your statement! There are seven columns but six values: INSERT INTO alumnos(legajo,nombre,apellido,curso,dni,edad,fechanc) ” + “VALUES(?,?,?,?,?,?)”); you easily forgott a questionmark(column place holder) try this: INSERT INTO alumnos(legajo,nombre,apellido,curso,dni,edad,fechanc) ” + “VALUES(?,?,?,?,?,?,?)”); [ad_2] solved I can create a student but it doesn’t save on mysql table. i get a console error that … Read more

[Solved] How to increase performance in Spring MVC – Hibernate – JSP – AngularJS v1.6? [closed]

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[ad_1] Without more detail, I can only offer general advice, but here goes: Start by profiling the application to see where the bottlenecks actually are. See this question for a list of profiling tools. The golden rule is to measure first, then optimise only what needs optimising! Once you know where improvements need to be … Read more

[Solved] Spring Mvc method argumrnts

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[ad_1] This is basic Java and has nothing to do with Spring. Local variables and method parameters are initialized differently. For a method parameter the initialization is implicit because you must give some value to the method call. Example: // Declaration public String showForm(Model theModel) { } // Call showForm(null); You cannot ommit the argument … Read more

[Solved] How to parse yyyymm data format to Month, YYYY format in Java?

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[ad_1] I would use java.time for a task like this. You can define two java.time.format.DateTimeFormatter instances (one for parsing the input string to java.time.YearMonth and another for formatting the obtained YearMonth to a string of the desired format). Define a method like this one: public static String convert(String monthInSomeYear, Locale locale) { // create something … Read more

[Solved] I need save some picture,how can I fix that ByteArrayInputStream to FileInputStream?

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[ad_1] MultipartFile’s getInputStream() method returns an InputStream. You don’t have to know what kind of InputStream it returns. As you see, it’s not a FileInputStream, and that should not matter. All you need to do is read from the InputStream returned and write to your file. You read from an InputStream the same way, whatever … Read more

[Solved] Spring MVC Service class NullPointerException [closed]

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[ad_1] It seems EmployeeDAO is not being injected in EmployeeServiceImpl, wire EmployeeDAO using @Autowire or @Inject, Second EmployeeDAOImpl has not been declared a component (not sure if you have declared already in xml) so declare it with @Repository and also @Autowire SessionFactory. Hope this will do.. 1 [ad_2] solved Spring MVC Service class NullPointerException [closed]