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
    Nov 10 at 12:08






  • 2




    And you should consider to use a build tool like Maven or Gradle which handles the dependencies automatically for you.
    – vanje
    Nov 10 at 12:10










  • @vanje I downloaded from github.com/eclipse/paho.mqtt.java. Everything from this repository
    – Sergei Mikhailovskii
    Nov 10 at 12:18








  • 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
    Nov 10 at 12:48

















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
    Nov 10 at 12:08






  • 2




    And you should consider to use a build tool like Maven or Gradle which handles the dependencies automatically for you.
    – vanje
    Nov 10 at 12:10










  • @vanje I downloaded from github.com/eclipse/paho.mqtt.java. Everything from this repository
    – Sergei Mikhailovskii
    Nov 10 at 12:18








  • 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
    Nov 10 at 12:48















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 Nov 10 at 15:03









Mikhail Kholodkov

3,60752343




3,60752343










asked Nov 10 at 11:20









Sergei Mikhailovskii

626




626












  • 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
    Nov 10 at 12:08






  • 2




    And you should consider to use a build tool like Maven or Gradle which handles the dependencies automatically for you.
    – vanje
    Nov 10 at 12:10










  • @vanje I downloaded from github.com/eclipse/paho.mqtt.java. Everything from this repository
    – Sergei Mikhailovskii
    Nov 10 at 12:18








  • 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
    Nov 10 at 12:48




















  • 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
    Nov 10 at 12:08






  • 2




    And you should consider to use a build tool like Maven or Gradle which handles the dependencies automatically for you.
    – vanje
    Nov 10 at 12:10










  • @vanje I downloaded from github.com/eclipse/paho.mqtt.java. Everything from this repository
    – Sergei Mikhailovskii
    Nov 10 at 12:18








  • 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
    Nov 10 at 12:48


















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
Nov 10 at 12:08




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
Nov 10 at 12:08




2




2




And you should consider to use a build tool like Maven or Gradle which handles the dependencies automatically for you.
– vanje
Nov 10 at 12:10




And you should consider to use a build tool like Maven or Gradle which handles the dependencies automatically for you.
– vanje
Nov 10 at 12:10












@vanje I downloaded from github.com/eclipse/paho.mqtt.java. Everything from this repository
– Sergei Mikhailovskii
Nov 10 at 12:18






@vanje I downloaded from github.com/eclipse/paho.mqtt.java. Everything from this repository
– Sergei Mikhailovskii
Nov 10 at 12:18






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
Nov 10 at 12:48






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
Nov 10 at 12:48



















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