Adding multiple jar files into classpath

Question

I am trying to add all the jar files in the directory below but I get

Exception in thread "main" java.lang.NoClassDefFoundError: twitter4j/TwitterException error.

I am sure there is TwitterException class inside the .jar file. Is there any error in my classpath syntax ?

mahmut@ubuntu:~/Desktop/Java/TwitterDeneme/bin$ java -classpath "~/twitter4j-2.2.6/lib/*.jar:." GetHashtag
Exception in thread "main" java.lang.NoClassDefFoundError: twitter4j/TwitterException
    at java.lang.Class.getDeclaredMethods0(Native Method)
    at java.lang.Class.privateGetDeclaredMethods(Class.java:2442)
    at java.lang.Class.getMethod0(Class.java:2685)
    at java.lang.Class.getMethod(Class.java:1620)
    at sun.launcher.LauncherHelper.getMainMethod(LauncherHelper.java:488)
    at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:480)
Caused by: java.lang.ClassNotFoundException: twitter4j.TwitterException
    at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
    at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:423)
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:356)
    ... 6 more

I am using ubuntu and jdk 1.7. I tried the same command in windows and it works flawlessly. Is there anything special to do related to Ubuntu OS?

docs.oracle.com/javase/6/docs/technotes/tools/windows/…

Nandkumar Tekale
– Nandkumar Tekale

2012-08-13 10:48:31 +00:00
Commented Aug 13, 2012 at 10:48 — Nandkumar Tekale
– Nandkumar Tekale, Commented Aug 13, 2012 at 10:48

Mathias Schwarz · Accepted Answer · 2012-08-13 10:39:43Z

8

The * syntax for classpaths is rather limited. Try:

java -classpath "~/twitter4j-2.2.6/lib/*:." GetHashtag

answered Aug 13, 2012 at 10:39

Mathias Schwarz

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5 Comments

Mathias Schwarz Over a year ago

By the way, on Windows you need to use ; instead of : for the command to work.

Brian Agnew Over a year ago

+1 but see stackoverflow.com/questions/1237093/…

mdemirst Over a year ago

Tried both lib/* and lib/*.jar but no luck! Is it related to wildcard character or any other problem? I also tried to include jar files individually but it gives the same error either. Actually, I compiled the code in windows and just moved class file to ubuntu. Am I missing anything?

Mathias Schwarz Over a year ago

Are you sure that class is in any of your jar files?

mdemirst Over a year ago

I found the problem. ~ character inside quotes causes problem. I wrote "/home/mahmut/twitter4j-2.2.6/lib/*:." instead of "~/twitter4j-2.2.6/lib/*:." and it worked. Thanks!

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