I’m trying to connect Snowflake to Spring boot based application. Everything works well however due to some crazy defaults in snowflake, I’m having to deal with the below error: https://community.snowflake.com/s/article/SAP-BW-Java-lang-NoClassDefFoundError-for-Apache-arrow I can fire the queries …
Tag: java
Lists stream().map() no instance(s) of type variable(s) R exist so that Stream conforms to List
I am having a List of class Person. The Person class looks like this: Below is how I am declaring and initializing my List<Person>: What i want to achieve is to get a List<String> of all usernames using the Java Stream API, but not using for loop. Below is how I have tried to implement this: But I…
Java equivalent of this JavaScript regex code?
I have this JavaScript code: I am trying to find the Java equivalent. I’ve tried the following bit it gives a different result: Any help is much appreciated! Answer The problem you are having is that ‘\$&’ is Javascript mean whole matched string but doesn’t mean the same in Java. I…
Maven: library module
I’m working on a project with a library module that has about 10 submodules. For the application project the developer asked us to find a way so that they can import only one dependency, instead of the requested 10. Let’s use as an example the dependency of log4j: I need only to include one not al…
Download file in Webview
I’m using webview in an Android application. I am trying to download a .pdf file, however when the link is clicked through the application the .pdf file name is changed to “1rcPnhg9_rSes92BiQPotVjXuEAfFnyrf.pdf”, and is not saved with the original file name. How to make webview save the file…
Java Melody does not show any sql data on xampp tomcat8
On Xampp Tomcat on Windows 11, I am trying to monitor java-web-app with java melody. However, sql data is not detected by java melody. Could you figure out what i am missing? I have created a library project, not to do same settings on every app Here is the projects code… pom.xml: TGS_ProfileServletUtil…
spring boot security prevent the logged in user from seeing the login and registration pages
I am using Thymeleaf in the interface layer. I want to prohibit login and register pages when user is logged in. Is there any solution to this? Answer To enforce this, you can enable anonymous access (e.g. required to be anonymous to access this resource). See Common Built-In Expressions for a description of …
Loading images/files inside jar
There are already heaps of answers to this problem. I have also tried a lot of them. I have not found a solution yet. I load some images within my project (Swing – ImageIcons). In the run dialog all of them are also displayed in my GUI. But after compiling the program can’t be started at all. The …
Getting Exceptions while running a Spring boot app with elasticsearch
I was following this tutorial: https://www.youtube.com/watch?v=IiZZAu2Qtp0&ab_channel=LiliumCode and the only changes I made were that I was using maven with eclipse instead. The rest of the code is exactly the same. When I run the app I get: My elasticsearch.yml: I have tried out searching the exceptions…
Why are my JavaFX buttons unevenly spaced?
I’m new to JavaFX, trying to build a GUI program that displays a bill for a table at a restaurant when you click on that table. The spacing is off between the table buttons and I’m not sure why. The GUI class for my program: Answer From the Javadoc: Row/Column Sizing By default, rows and columns w…