I’m using GraphStream to show a map of an area and I’ve tried to inherit from the default MouseManager DefaultMouseManager and to override the mouseClicked method so that when clicking on a node the following will happened: node’s color will change. node’s label will show. node’s…
Tag: java
AmazonsS3Client throws UnknownHostException if attempting to connect to a local service (MinIO)
In Short: Using AmazonS3Client to connect to a local instance of MinIO results in a UnknownHostException thrown because the url is resolved to http://{bucket_name}.localhost:port. Detailed description of the problem: I’m creating an integration test for a Java service that uses AmazonS3Client lib to ret…
How to change color buttons of navigation
all the words I wrote in the picture i need change color buttons of navigation warning color buttons not android:statusBarColor Answer From API 27 you can use this code: in the first line, you set the navigation bar background color and in second-line, you set the navigation bar icon color to light or dark
How connection with JIRA using RESTAPI with java?
My task is to establish a connection to JIRA in java using RESTAPI. I’m facing an error with the SSL security certificate. I have tried many times and looked on google, but I didn’t find any solution to my problem. Can anyone help me to fix this error? APOD.java JavaHttpURLConnectionDemo.java Erro…
Viewing a java applet outside of the browser without appletviewer
I found some old published java applets. Ideally, it would be great to run that in the browser but newer versions of Chrome (which my students have) makes running Java applets nearly impossible. I can’t expect all my students to have appletviewer since it’s deprecated and not shipped with newer ve…
Spawn another process on same JVM
From a Java application I want to run another Java application on the same Java installation but in a separate process. AFAIK for a new process I would use ProcessBuilder to run a command like but what if java is in a different directory, or should be java.exe since we are on Windows, or java.exe has some oth…
Jedis does not support returning PendingMessagesSummary
When I start the spring app write with Java 11, show error like this: I have already upgrade the Jedis version to the newest 4.2.3, why still did not support the Redis pending command? I have already read the Jedis issue. They already added the pending support in the Jedis 3.6.0, why still tell me that did no…
Split Packages: Java Modules vs Sealed Jars
Both Sealed Packages/Jars and the Java Module System disallow spliting packages across several jars. Does that mean that all packages contained within a Module are implicitly sealed? If not what does explicitly sealing the jar change? Answer Yes, packages within modules are always implicitly sealed. This is s…
How to run mock server tests in isolation?
I have these two mock server tests. When I launch these, the second test fail because the two tests are not launched in isolation. The mocking of the HTTP call in the first method isn’t override in the second method. Is there a Mock Server property or a JUnit property to run these two tests in isolation…
Deleting an entity with one to one relation
My two entities have one to one relation I tried to delete my user entity by this method PasswordResetTokenRepository class which method I called in my service method, for deleting user I used regular hibernate method deleteById(Long id) But when I try to delete by this method I got this error: not-null prope…