I’m trying to send HTTPS request from my Java EE program to the host that requires certificate authentication. I have a proper keystore file, truststore with imported CA, the listing of both shows that certificates are inside. But I receive the following error: Viewing the certificate contents in the part of Extensions I see the following: So my certificate does
Are recursive methods always better than iterative methods in Java? [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 convert list data into json in java
I have a function which is returning Data as List in java class. Now as per my need, I have to convert it into Json Format. Below is my function code snippet: I tried To convert into json by using this code but it is giving type mismatch error as function is of type List… Please help me resolve this.
Josephus sequence
Description: There are people standing in a circle waiting to be executed. The counting out begins at some point in the circle and proceeds around the circle in a fixed direction. In each step, a …
Selenium / Firefox: Command “.click()” doesn’t work with a found element
I tried to find a solution to this thing and I spent a lot of time, but it is almost imposible to me to do that. The matter: I am using Selenium with Java in Firefox. I need to find an element (a listbox) and click on it. So, the code finds the element, but click action does not work.
Why does this Java method appear to have two return types?
where Foo is my own class. What is the return type of this method? Why does it seem to have two return types? Answer No, you don’t have two return types. It’s a generic method you are seeing. <E extends Foo> → You are declaring a generic type for your method; List<E> → This is your return type. Your method
Exception in thread “main” java.awt.AWTError: Assistive Technology not found
How to solve this error? Exception in thread “main” java.awt.AWTError: Assistive Technology not found: com.sun.java.accessibility.AccessBridge at java.awt.Toolkit.loadAssistiveTechnologies(Toolkit.java:775) at java.awt.Toolkit.getDefaultToolkit(Toolkit.java:861) at java.awt.Window.getToolkit(Window.java:1127) at java.awt.Window.init(Window.java:369) at java.awt.Window.(Window.java:407) at java.awt.Frame.(Frame.java:402) at java.awt.Frame.(Frame.java:367) at javax.swing.JFrame.(JFrame.java:163) at FirstJavaProject.(FirstJavaProject.java:7) at FirstJavaProject.main(FirstJavaProject.java:5) It occurs during the execution of following program: My JDK_HOME/jre/lib/accessibility.properties file has the following content: Answer For future reference, one of the more common causes
java.lang.NoClassDefFoundError while reading a svg file as BufferedImage
i have a .svg file to create a Map which will have Listeners relevant to boundaries (i guess its called “nodes” of a scalable vector graphic). However, i’m trying to add this file as a BufferedImage over a JPanel. (i’m a newbie about swing components so if you have any better ideas please share ). Moreover, i used Batik library
How to change Spring’s @Scheduled fixedDelay at runtime?
I have a requirement to run a batch job at a fixed interval and have the ability to change the time of this batch job at runtime. For this I came across @Scheduled annotation provided under Spring framework. But I’m not sure how I’d change the value of fixedDelay at runtime. I did some googling around but didn’t find anything
Exception in thread main java.util.InputMismatchException error
I have a question on what’s going on, whenever I try to compile it it keeps giving me an error like this: Exception in thread “main” java.util.InputMismatchException at java.util.Scanner.throwFor(…