I’m trying to retrieve a default validation error-message using MessageSource. The code I’m working with uses reflection to retrieve the value of the message parameter. On a constraint that does not override the message parameter, I would like to retrieve the default error message. When I invoke the message method on the validation annotation, I get {org.hibernate.validator.constraints.NotBlank.message} (for example, for
Why use finally
I never properly understood the use of the finally statement. Can anyone tell me what the difference is between: on the one hand and: On the other Answer They differ if the try-block completes by throwing a java.lang.Throwable that is not a java.lang.Exception, for instance because it is a java.lang.Error such as AssertionError or OutOfMemoryError. the try-block completes abruptly using
Why use inheritance at all? [closed]
As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references, or expertise, but this question will likely solicit debate, arguments, polling, or extended discussion. If you feel that this question can be improved and possibly reopened, visit the help center for guidance. Closed 9 years ago.
How to monitor slow SQL queries executed by JPA and Hibernate
Is there any Hibernate property I could set to see all the slow queries? I’, interested in queries that take too much time to return the result set. I’m using Spring with Hibernate, configured via an applicationContext.xml Spring configuration file. Answer I have 2 suggestions: you could use Oracle’s Statspack. you could use some kind of JDBC proxy driver logging
How do I get the underlying type of a proxy object in java?
I’d like to access the classname of the underlying class which is an instance of java.lang.reflect.Proxy. Is this possible?
“unable to locate Spring NamespaceHandler” error
I’m creating a stand-alone Sava application with Spring, to handle the JDBC access. The application works fine on every test and I decided that I need a jar to be deployed our clients. They might not have spring in their classpath, so I used maven-assembly-plugin to handle the jar creation with dependencies. However when I try to run the application:
Content-Length header already present
I am using the Apache HttpClient (4.1) included in Android to execute a HttpPut. I have verified that I only have 1 content-length header. However, every time I send the request, I get a protocol exception about the Content-Length header already specified. Caused by: org.apache.http.ProtocolException: Content-Length header already present at org.apache.http.protocol.RequestContent.process(RequestContent.java:70) at org.apache.http.protocol.BasicHttpProcessor.process(BasicHttpProcessor.java:290) Any ideas? Answer I’ve not used HttpClient
Is there an equivalent to memcpy() in Java?
I have a byte[] and would like to copy it into another byte[]. Maybe I am showing my simple ‘C’ background here, but is there an equivalent to memcpy() on byte arrays in Java? Answer You might try System.arraycopy or make use of array functions in the Arrays class like java.util.Arrays.copyOf. Both should give you native performance under the hood.
What is an open free to use radio / music streaming service I can access via java [closed]
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. We don’t allow questions seeking recommendations for books, tools, software libraries, and more. You can edit the question so it can be answered with facts and citations. Closed 7 years ago. Improve this question I am looking for a free to use radio or music
What is the preferred way to specify an HTTP “Location” Response Header in Spring MVC 3?
What is the preferred way to specify an HTTP “Location” Response Header in Spring MVC 3? As far as I can tell, Spring will only provide a “Location” in response to a redirect (“redirect:xyz” or RedirectView), however there are scenarios where a Location should be sent along with the entity body (ex, as a result of a “201 Created”). I’m