Adding libraries in Intellij Idea











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I need to add libraries to my project, which are classes in directories, it's not a *.jar file.



I do it in the following way: File -> Project Structure -> Dependencies -> +-> Jar or directories.



But when I add required directory, I get the following result:



enter image description here



What am I doing wrong?






java intellij-idea







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  • What libraries do you try to use? It is common to download and use a Java library as a JAR file not as individual classes. Are you really sure you have the compiled class files in your directory and not the Java source files?
    – vanje
    2 days ago






  • 2




    And you should consider to use a build tool like Maven or Gradle which handles the dependencies automatically for you.
    – vanje
    2 days ago










  • @vanje I downloaded from github.com/eclipse/paho.mqtt.java. Everything from this repository
    – Sergei Mikhailovskii
    2 days ago








  • 1




    This is the project's source code. You can not simply download the repository and include the directory as a library in IntelliJ. You first have to build the JARs. See section "Building from source" at the repo page or at the project website. But you should really use Maven in your own project and then you only have to include the dependency in your pom.xml. Of course, you can download the precompiled JAR from Maven Central but then you have to maintain the dependencies on your own.
    – vanje
    2 days ago

















up vote
1
down vote

favorite












I need to add libraries to my project, which are classes in directories, it's not a *.jar file.



I do it in the following way: File -> Project Structure -> Dependencies -> +-> Jar or directories.



But when I add required directory, I get the following result:



enter image description here



What am I doing wrong?






java intellij-idea







share|improve this question
























  • What libraries do you try to use? It is common to download and use a Java library as a JAR file not as individual classes. Are you really sure you have the compiled class files in your directory and not the Java source files?
    – vanje
    2 days ago






  • 2




    And you should consider to use a build tool like Maven or Gradle which handles the dependencies automatically for you.
    – vanje
    2 days ago










  • @vanje I downloaded from github.com/eclipse/paho.mqtt.java. Everything from this repository
    – Sergei Mikhailovskii
    2 days ago








  • 1




    This is the project's source code. You can not simply download the repository and include the directory as a library in IntelliJ. You first have to build the JARs. See section "Building from source" at the repo page or at the project website. But you should really use Maven in your own project and then you only have to include the dependency in your pom.xml. Of course, you can download the precompiled JAR from Maven Central but then you have to maintain the dependencies on your own.
    – vanje
    2 days ago















up vote
1
down vote

favorite









up vote
1
down vote

favorite











I need to add libraries to my project, which are classes in directories, it's not a *.jar file.



I do it in the following way: File -> Project Structure -> Dependencies -> +-> Jar or directories.



But when I add required directory, I get the following result:



enter image description here



What am I doing wrong?






java intellij-idea







share|improve this question















I need to add libraries to my project, which are classes in directories, it's not a *.jar file.



I do it in the following way: File -> Project Structure -> Dependencies -> +-> Jar or directories.



But when I add required directory, I get the following result:



enter image description here



What am I doing wrong?






java intellij-idea




java intellij-idea






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited 2 days ago









Mikhail Kholodkov

3,48842141




3,48842141










asked 2 days ago









Sergei Mikhailovskii

133




133












  • What libraries do you try to use? It is common to download and use a Java library as a JAR file not as individual classes. Are you really sure you have the compiled class files in your directory and not the Java source files?
    – vanje
    2 days ago






  • 2




    And you should consider to use a build tool like Maven or Gradle which handles the dependencies automatically for you.
    – vanje
    2 days ago










  • @vanje I downloaded from github.com/eclipse/paho.mqtt.java. Everything from this repository
    – Sergei Mikhailovskii
    2 days ago








  • 1




    This is the project's source code. You can not simply download the repository and include the directory as a library in IntelliJ. You first have to build the JARs. See section "Building from source" at the repo page or at the project website. But you should really use Maven in your own project and then you only have to include the dependency in your pom.xml. Of course, you can download the precompiled JAR from Maven Central but then you have to maintain the dependencies on your own.
    – vanje
    2 days ago




















  • What libraries do you try to use? It is common to download and use a Java library as a JAR file not as individual classes. Are you really sure you have the compiled class files in your directory and not the Java source files?
    – vanje
    2 days ago






  • 2




    And you should consider to use a build tool like Maven or Gradle which handles the dependencies automatically for you.
    – vanje
    2 days ago










  • @vanje I downloaded from github.com/eclipse/paho.mqtt.java. Everything from this repository
    – Sergei Mikhailovskii
    2 days ago








  • 1




    This is the project's source code. You can not simply download the repository and include the directory as a library in IntelliJ. You first have to build the JARs. See section "Building from source" at the repo page or at the project website. But you should really use Maven in your own project and then you only have to include the dependency in your pom.xml. Of course, you can download the precompiled JAR from Maven Central but then you have to maintain the dependencies on your own.
    – vanje
    2 days ago


















What libraries do you try to use? It is common to download and use a Java library as a JAR file not as individual classes. Are you really sure you have the compiled class files in your directory and not the Java source files?
– vanje
2 days ago




What libraries do you try to use? It is common to download and use a Java library as a JAR file not as individual classes. Are you really sure you have the compiled class files in your directory and not the Java source files?
– vanje
2 days ago




2




2




And you should consider to use a build tool like Maven or Gradle which handles the dependencies automatically for you.
– vanje
2 days ago




And you should consider to use a build tool like Maven or Gradle which handles the dependencies automatically for you.
– vanje
2 days ago












@vanje I downloaded from github.com/eclipse/paho.mqtt.java. Everything from this repository
– Sergei Mikhailovskii
2 days ago






@vanje I downloaded from github.com/eclipse/paho.mqtt.java. Everything from this repository
– Sergei Mikhailovskii
2 days ago






1




1




This is the project's source code. You can not simply download the repository and include the directory as a library in IntelliJ. You first have to build the JARs. See section "Building from source" at the repo page or at the project website. But you should really use Maven in your own project and then you only have to include the dependency in your pom.xml. Of course, you can download the precompiled JAR from Maven Central but then you have to maintain the dependencies on your own.
– vanje
2 days ago






This is the project's source code. You can not simply download the repository and include the directory as a library in IntelliJ. You first have to build the JARs. See section "Building from source" at the repo page or at the project website. But you should really use Maven in your own project and then you only have to include the dependency in your pom.xml. Of course, you can download the precompiled JAR from Maven Central but then you have to maintain the dependencies on your own.
– vanje
2 days ago



















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