Java
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Java – how to pass jax-rs proxy using Apache camel implementation?
This is using camel 2.5 0 The route is simple The starting point is a wharf: / /... / Web / service / path, and the en…… -
Java – spring swing integration
Spring does not work well with beans created outside the application context What is the best way for me to use jform …… -
Jpa-2.0 – JPA – only the first submission fails, but all should fail
Please help me to explain the following (for me) very strange JPA behavior I deliberately change the primary key of en…… -
How to link a lambda with all the optional values available in the innermost range without nesting optional#ifpresent()?
This is another branch of my question: how to chain optional #ifpresent() in lambda without nesting? However, the prob…… -
Java – merge JPA entities to return old values
I have two JPA entities that have a two - way relationship @Entity public class A { @ManyToOne(cascade={CascadeT…… -
java – org. hibernate. Mappingexception: type does not support cover
I just started this error when I introduced composite primary keys Any ideal why? I tried to solve the problem without…… -
Java – limit upload size in embedded jetty
I'm trying to limit the maximum upload file size that jetty can accept I have read several reports, and the following …… -
Java – turns off the hook that captures global input events
introduce This is an illustrative example Consider that I am tracking and displaying the global current position of th…… -
Java – how to set transaction timeout on jetty JNDI atomikos configuration
I am converting various spring beans into JNDI lookup I'm currently using jetty to test it I configured the UserTransa…… -
How does the Java – airline fare comparison web application get tickets from multiple Airlines?
As mentioned above, only out of morbid curiosity Do airlines' websites have APIs that these engines can use? Or do you…… -
Java – error getting client session in TopLink
I face a special problem Here is the wrong stack trace I got Please help. @H_ 502_ 8@ @H_ 502_ 8@ Exception [TOPLINK-7…… -
MVVM for Java?
My partner and I decided to use JSP and Java as the model of social networking sites At first, I was a little afraid t…… -
Interesting generic related differences between javac and the eclipse ide compiler
I have an interesting difference between javac and the eclipse ide compiler, and I can't figure out who is right There…… -
Java – thread safe sorting linked list
I'm trying to write a thread - safe sorted single - linked list I wrote two versions: coarse - grained synchronization…… -
Inline domain specific language for generating java code
I'm working on a program that performs matrix and vector operations in Java Multiple function calls and object creatio…… -
Java – optionally using cascading in Hibernate / JPA
My question is simple, but overall it's very important - I think I did research for hours, but I couldn't find anythin…… -
ORM – Entity Framework 4 only obtains the table name of poco domain object from metadata
Hi, I only use entity framework code from ctp4 My question is: given the name of the domain class mapped using entityc…… -
Java – the difference between ide console and terminal
I'm using Linux for the first time in my life But I can't understand the difference between the Java (eclipse) console…… -
Java WSDL modifies or hides some properties on the web view
Is it possible for TLDR to create an "alias" for the IP address (for example, 0.0.0.0:8080 / services as server_1) or …… -
Java – regular expressions: using system. Java out. Println (m.matches()) will not print all matches;
I execute the following code: public static void test() { Pattern p = Pattern.compile("BIP[0-9]{4}E"); Matcher m = …… -
Strange compilation errors for Java generic type parameters and optionals
The following java code cannot be compiled (using javac 1.8.0_121) import java.util.Optional; class B<T> {} pu…… -
Java – dependency exceptions that are not satisfied when creating beans using spring
I'm trying to use JPA for my spring application I have integrated JPA transaction manager & converting localentity…… -
Java – spring security oauth2 refresh token – IllegalStateException, userdetailsservice is required
I am new to spring security and use oauth2 authentication and authorization to develop spring rest API Everything is O…… -
java – JAXB 2. x: Abstract methods are grouped into properties
I have an abstract root class. Let's say a I have several implementation class extensions a A has field annotation and…… -
java – TYPE_ 4BYTE_ ABGR to type_ 3BYTE_ BGR conversion
I have a transparent type_ 4BYTE_ Buffered image of ABGR imagetype. I want to convert it to type_ 3BYTE_ BGR BufferedI…… -
Java – JPA (hibernate): error using @ embeddedid in generic @ mappedsuperclass
I am currently defining JPA entities (many compound keys, but also single column keys) for legacy databases I created …… -
How to use Java facelets as a common template engine in stand-alone applications?
I want to use facelets to generate HTML content I want to reuse the existing taglibs, which is not supported by veloci…… -
Java – why does my swing GUI look different in design from the runtime?
When I use swing to design my GUI, the swing control buttons are gray, and the text easily fits them However, when I r…… -
Java – the best way to implement a complex preferences screen?
For my application, I have a fairly complex set of configuration options for users to choose from I am currently using…… -
Writes a 3D array to a binary file and reads the file back to another 3D array
I have a task. I have to create a 3D array of random size, write it to the binary file, then read the binary file back…… -
Is there a java web framework that uses Java’s security manager to achieve fine-grained security?
In standard webapp settings, all code runs with the same permissions It is better to follow the principle of least pri…… -
javax. validation. Constraintvalidationexception: validation of class failed
I am developing a web application on the back end using spring 3.1, hibernate 3 and Hibernate validator 4 I am using J……