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Editorial Team
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Asked: 2026-05-20T02:10:21+00:00

this is my directory structure: log4j_demo –HelloLog4j.java –lib —log4j-1.2.8.jar —log4j.properties and when i javac

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this is my directory structure:

log4j_demo
     --HelloLog4j.java
     --lib
          ---log4j-1.2.8.jar
          ---log4j.properties

and when i javac HelloLog4j.java show :

HelloLog4j.java:2: pocket org.apache.log4j is not exist
import org.apache.log4j.Logger;

and i know org.apache.log4j is in the file : log4j-1.2.8.jar

so how to insert the path that make my code show good ,

thanks

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1 Answer

  1. Editorial Team

    need to add log4j.jar to classpath

    javac -cp .;lib/log4j-1.2.8.jar HelloLog4j.java

    The above is for Windows machine. use : as classpath separator for Linux/Solaris instead of ;

    see here

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