How to run java application with commons cli in console

Question

I have maven project and I'm trying to use commons cli library to handle input data:

import org.apache.commons.cli.*;
import java.util.logging.Level;
import java.util.logging.Logger;

public class Cli {
    private static final Logger log = Logger.getLogger(Cli.class.getName());
    private String[] args = null;
    private Options options = new Options();

    public Cli(String[] args) {

        this.args = args;

        options.addOption("h", "help", false, "show help.");
        options.addOption("i", "inputs", true, "Enter the input file name.");
        options.addOption("o", "output", true, "Enter the output file name.");
    }

    public String[] parse() {
        CommandLineParser parser = new BasicParser();
        String[] returnArguments = new String[2];
        CommandLine cmd = null;
        try {
            cmd = parser.parse(options, args);

            if (cmd.hasOption("h"))
                help();

            if (cmd.hasOption("i")) {
                log.log(Level.INFO, "The initial file will be " + cmd.getOptionValue("i"));
                returnArguments[0] = cmd.getOptionValue("i");
            } else {
                log.log(Level.SEVERE, "Missing input file name option");
                help();
            }

            if (cmd.hasOption("o")) {
                log.log(Level.INFO, "The output file will be " + cmd.getOptionValue("o"));
                returnArguments[1] = cmd.getOptionValue("o");
            } else {
                log.log(Level.SEVERE, "Missing output file name option");
                help();
            }
        } catch (ParseException e) {
            log.log(Level.SEVERE, "Failed to parse command line properties", e);
            help();
        }
        return returnArguments;
    }

    private void help() {
        HelpFormatter formatter = new HelpFormatter();
        formatter.printHelp("Main", options);
        System.exit(0);
    }
}

I set arguments in Intellij Idea: -i inputs.zip -o output.zip It works, but what command should I use in console?

I tried: java -jar NewMyZip-1.jar -i inputs.zip -o output.zip and got the exception:

Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/commons/cl
i/ParseException
        at main.MyZip.main(MyZip.java:12)
Caused by: java.lang.ClassNotFoundException: org.apache.commons.cli.ParseExcepti
on
        at java.net.URLClassLoader$1.run(Unknown Source)
        at java.net.URLClassLoader$1.run(Unknown Source)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        ... 1 more

Does anybody know what is the problem and how to solve it ?

`java.lang.ClassNotFoundException: org.apache.commons.cli.ParseException` means that, although you are importing `org.apache.commons.cli.*` in the class, it isn't getting included in the jar you create. — Andreas, Jan 05 '15 at 17:14
Java jars are no DLL's, if ever you see this kind of error, Go ahead and lookup the class in the expected jar. You can open that in 7zip or winzip. You will find so much interesting info there. — randominstanceOfLivingThing, Jan 05 '15 at 17:19
@Andreas how can I inxlude **org.apache.commons.cli.*** in my jar file?? — Den, Jan 05 '15 at 23:48

score 1 · Accepted Answer · answered Jan 05 '15 at 17:13

1

Is your NewMyZip-1.jar containing commons-cli ? Otherwise make sure you include commons-cli jar in your classpath:

java -cp PATH_TO_JAR/commons-cli.jar -jar NewMyZip-1.jar -i inputs.zip -o output.zip

answered Jan 05 '15 at 17:13

panagdu

2,133
1
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_Is your NewMyZip-1.jar containing commons-cli ?_ how can see is my jar containing commons-cli ? – Den Jan 05 '15 at 23:52
Just unzip the jar and check what other libraries are included. – panagdu Jan 06 '15 at 00:32

How to run java application with commons cli in console

1 Answers1