Questions tagged [java]
Java is a high-level object-oriented programming language. Use this tag when you're having problems using or understanding the language itself. This tag is frequently used alongside other tags for libraries and/or frameworks used by Java developers.
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How can I enhance the development of JAVAFX applications using MVC?
I have been working with JAVA and JAVAFX for some time now. I have come to discern certain limitations in utilizing FXML when tasked with creating dynamic and complex applications.
My personal ...
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How can I determine if a Java/Kotiln/JVM (AWT / Compose multiplatform) application is running within a window manager on linux?
I am creating a desktop application using Compose multiplatform.
More specifically, using the JetBrainsRuntime
via the glue provided by jewel.
I am looking for a way to determine if my application is ...
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Not provider of jakarta.mail.util.StreamProvider was found (not Spring Boot!)
I'm trying to migrate a JavaX.mail class to use Jakarta mail, as it's required to move from Tomcat 9 to 10. I'm receiving a message java.lang.IllegalStateException: Not provider of jakarta.mail.util....
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KafkaConsumer is not able to process 2 million records
I am facing issue while fetching 2 million records from kafka topic through a consumer.
My requirement is to fetch the record and store those records into a Map and return that Map to other methods so ...
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MultiPart Request Spring
How can I make a breakpoint in my api to receive a request with json + file using Spring?
I've already tried using RequestParam, RequestBody and RequestPart, but none of it worked. It works to receive ...
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Show pdf file uploaded by user in Primefaces | Spring Boot
I have a widget to upload a file, and I want to preview the file after upload. I am using p:media tag but it is not showing the uploaded pdf file.
However, I have another widget where there is an ...
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GRPC python cannot modify trailing metadata of python rpc status when aborting request (StatusRuntimeException)
Tried some hours to transfer trailing metadata inside StatusRuntimeException from a python service. This is like the current code sample which apparently doesn't work since the trailing_metadata is ...
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Spring Boot JSON Merge Patch map properties to custom type field
In our codebase, we have a class called OptionalOrUndefined
public class OptionalOrUndefined<T> {
@Getter private final boolean defined;
private final T value;
public static <T> ...
- 5,401
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1
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Proper way to shut down a Spring Boot application after a specific unit of work is completed
I have a number of Spring Boot services that are always running that perform several different kinds of tasks. For example I have one service that is reading from an Azure Service Bus queue using ...
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ObservationHandler<ServerRequestObservationContext> does not expose context values to DefaultServerRequestObservationConvention
I am trying to use and extend spring boot's Observation API solution for instrumenting metrics for spring mvc http.server.requests.
I'm trying to add a custom tag, with the key duration, and a value ...
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OpenAPI Swagger Documentation Jargons
I have configured OpenAPI documentation in my spring boot application. Everything is coming that is expected but there are a lot of jargons coming up. Only the highlighted and ticked values are ...
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Getting AccessDenied while accessing getAllSites() method in MS Graph using Java
Getting AccessDenied error while accessing getAllSites() method in MS Graph using Java. I have taken this block of code from Microsoft Learn. When I tried to execute this code, I'm receiving Access ...
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Exception in thread "main" java.time.format.DateTimeParseException: Text '04-Sep-2023' could not be parsed at index 3 [duplicate]
below is the datetimeformatter
DateTimeFormatter dtf2 = new DateTimeFormatterBuilder().parseCaseInsensitive()
.append(DateTimeFormatter.ofPattern("dd-MMM-yyyy")).toFormatter()...
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Stream anyMatch accept an method reference not implement Predicate [duplicate]
Stream.anyMatch is defined as:
boolean anyMatch(Predicate<? super T> predicate)
I created a new Class as follows:
class ClassA {
public boolean anyMethodName(Object o) {
return ...
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Trouble streaming non-local Google Photos video without downloading
I'm making an app where the user can select a video from the gallery and launch it later using their default viewer.
My initial attempt looked like this
Intent intent = new Intent();
intent.setType(&...
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