Getting ‘java.lang.UnsatisfiedLinkError’: no lwjgl in java.library.path

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Note this is different from this question because it does not deal with linking because it’s not asking how to link it via the CLI, but the GUI in Eclipse. I have been trying to write a simple …

Building a war on intellij

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I have a Java EE project I have imported into IntelliJ . I can compile the project but for some reason not able to build a war artifact , when I go to the build tab the option …

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Java says FileNotFoundException but file exists


I have an assignment for my CS class where it says to read a file with several test scores and asks me to sum and average them. While summing and averaging is easy, I am having problems with the file …

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Transaction marked as rollback only: How do I find the cause


I am having issues with committing a transaction within my @Transactional method: methodA() { methodB() } @Transactional methodB() { … em.persist(); … em.flush(); log(“OK”…

Tags: generics java

Generic method to print arrays in java

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I am trying to write a generic method printAll which prints an array of integer or character. Here’s the code: public static void main(String[] args) { char cArray[] = {‘a’,’b’,’c’,’d’}; int …

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Load a file in Resources with FileInputStream


I know the safe way to open a file in the resources is: InputStream is = this.getClass().getResourceAsStream(“/path/in/jar/file.name”); now the problem is that my file is a model for a decider …

How to create and run Apache JMeter Test Scripts from a Java program?

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I want to use the API provided by Apache JMeter to create and run test scripts from a Java program. I have understood the basics of ThreadGroup and Samplers. I can create those in my Java class by …

SPRING java.lang.NoClassDefFoundError: org/springframework/context/ApplicationContext

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It seems people have had similar problems, but on IDE’s. I am not using an IDE. I installed Spring using a Maven dependency as you will see in my build.xml file. I get the following stacktrace that …

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Can not issue data manipulation statements with executeQuery


I’m getting an error when im trying to run my gui to inset data into a table, the error being Can not issue data manipulation statements with executeQuery(). The goal of this gui is to get the user to …

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Set row height depend on JTextArea height


I have a problem and really don’t know how to solve it. I used some solutions from this forum but they don’t work. This is the piece of code: package own_components.custom_components; import java….