Spring 3 MVC resources and tag mvc:resources /
Found the error: Final xxx-servlet.xml config: Image in src/webapp/resources/logo.png Works!
spring
Spring Hibernate – Could not obtain transaction-synchronized Session for current thread
You must enable the transaction support (<tx:annotation-driven> or @EnableTransactionManagement) and declare the transactionManager and it should work through the SessionFactory. You must add @Transactional into your @Repository With @Transactional in your @Repository Spring is able to apply transactional support into your repository. Your Student class has no the @javax.persistence.* annotations how @Entity, I am assuming … Read more
No mapping found for HTTP request with URI…. in DispatcherServlet with name [duplicate]
You could try and add an @Controller annotation on top of your myController Class and try the following url /<webappname>/my/hello.html. This is because org.springframework.web.servlet.mvc.support.ControllerClassNameHandlerMapping prepends /my to each RequestMapping in the myController class.
model.addAttribute() parameters
I’m new to Spring MVC Framework. I’m doing some self study to extend my knowledge in Java. This is how I understand the getProducts() code definition from a tutorial I’m following but please correct me if I’m wrong. Controller requests something from the Data Access Object > Data Access Object gets the data from a … Read more
No Spring WebApplicationInitializer types detected on classpath
This turned out to be a stupid error. My log4j wasn’t configured to capture my error output. I was throwing configuration errors in the background and once I fixed those I was good to go and my request mappings worked fine.
when spring boot startup,throw out the “method names must be tokens” exception
When spring boot startup,throw out the method names must be tokens exception Who know why throw out Invalid character found in method name. HTTP method names must be tokens exception.
Spring boot: Unable to start embedded Tomcat servlet container
Try to change the port number in application.yaml (or application.properties) to something else.
java.lang.IllegalStateException: Failed to introspect Class
Caused by: java.lang.ClassNotFoundException: org.springframework.data.elasticsearch.core.ElasticsearchOperations This error message means that the jar containing this class is not on the application classpath. Add spring-data-elasticsearch jar to it, and your error should be gone. if you are using maven, add the jar to the classpath this way : The version that you should use depends on the version … Read more
Downloading a file from spring controllers
Generally speaking, when you have response.getOutputStream(), you can write anything there. You can pass this output stream as a place to put generated PDF to your generator. Also, if you know what file type you are sending, you can set
Configure active profile in SpringBoot via Maven
The Maven profile and the Spring profile are two completely different things. Your pom.xml defines spring.profiles.active variable which is available in the build process, but not at runtime. That is why only the default profile is activated. How to bind Maven profile with Spring? You need to pass the build variable to your application so that it … Read more