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Editorial Team
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Asked: 2026-05-25T01:00:41+00:00

When I’m in Eclipse my project compiles with no errors, however when I try

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When I’m in Eclipse my project compiles with no errors, however when I try to compile with javac it says I’m missing some packages…

I copied my compile command and some of the error text below:

javac -classpath lib/ -d bin/ src/*.java
src/Cleaner.java:5: package net.sourceforge.jgeocoder does not exist
src/MyUtilities.java:19: package org.apache.commons.codec.binary does not exist

In Eclipse, I have added all the .JAR files to the build-path, and the program compiles just fine.

Why can it not find the jars when I use javac instead of the Eclipse IDE?

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1 Answer

  1. Editorial Team

    -classpath lib/ will cause javac to look for a tree of class files in lib. If you have JAR archives there, you have to use -classpath lib/*.jar – and probably use whatever escaping mechanism your CLI has on the * to make sure it reaches javac rather than being expanded by the CLI

    See the javac command reference (windows).

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