I have a Java maven project whose Jar file is used as a SDK library in other projects. This SDK is used to call other APIs which are by default in the prod environment. I want to make it run on testing environment by overriding a variable. This is the Routes class which contains the base URL for prod/testing …
Tag: executable-jar
b’Error could not find or load main class caused by java.lang.classnotfoundation error’
I am trying to read the executable jar file using python. That jar file doesn’t have any java files. It contains only class and JSON files. So what I tried is What my expected output is, it reads the input(inputs) and passes it to the given class method(someclass.class) and it should return some respons…
Adding external jar dependency in JAR file
Backgorund : I am trying to add UserStorageSPI for my legacy application, so that we can use existing user credentials to log in. I have followed this tutorial, and the full source code for the sample application is available here. This application is storing plaintext passwords and compares them directly. Ho…
.jar File can’t find image file path
I’m creating a simple program that I now want to export as a executable jar file. Everything works fine except the jar file can’t find the image. For creating the runnable JAR file I used the second option in Eclipse 2021-12 (Package required libraries into generated JAR). This seems to work well,…
Program to find from where the program is called
The requirement is very simple, I want to write a simple hello world program or anything so the program knows about its execution parent. For eg. Since I am from a Java background I will give a Java example. I want to write a jar that runs and outputs the following: Running from command line: but when running…
After exporting project to jar file, my project is not fully working
i have a problem that in Eclipse when i run my project everything is working fine but when i exporting it last class don’t want to open by clicking the button. I’m using database in every class as well as i have referenced library(jcalendar-1.4) if it will help you to solve the problem. login and …
gradle executable jar can’t include local jar dependencies
SOLVED WaitingDatabase.connect(WaitingDatabase.java:17) (Sorry for bad english.) I have to connect my oracle database, so I downloaded oracle jdbc driver and added in my dependencies. It connected well when I run at intellij, so I built executable jar file with gradle. However, it couldn’t connect to my…
How do I tell Spring Boot which main class to use for the executable jar?
My project has more than one class with a main method. How do I tell the Spring Boot Maven plugin which of the classes it should use as the main class? Answer Add your start class in your pom: or
How to run a class from Jar which is not the Main-Class in its Manifest file
I have a JAR with 4 classes, each one has Main method. I want to be able to run each one of those as per the need. I am trying to run it from command-line on Linux box. It has directory structure for the main classes as follows: I know that I can specify one class as main in my
“Invalid signature file” when attempting to run a .jar
My java program is packaged in a jar file and makes use of an external jar library, bouncy castle. My code compiles fine, but running the jar leads to the following error: Exception in thread “main” java.lang.SecurityException: Invalid signature file digest for Manifest main attributes I’ve …