Re: Jar in classpath but still class not found

From:
Lew <lew@lewscanon.com>
Newsgroups:
comp.lang.java.programmer
Date:
Thu, 16 Apr 2009 07:41:49 -0700 (PDT)
Message-ID:
<55e12eae-28d0-4e23-a115-9a4ef8b734fa@s20g2000yqh.googlegroups.com>
On Apr 16, 7:56 am, Philipp <djb...@gmail.com> wrote:

On Apr 16, 1:12 pm, "John B. Matthews" <nos...@nospam.invalid> wrote:

In article
<13dae324-a0b1-445e-b644-c7400c19d...@k2g2000yql.googlegroups.com>,

 Philipp <djb...@gmail.com> wrote:

[...]

Note PrintTest is in default package.

[...]

Now executing:
$ java -cp Printer.jar PrintTest
Exception in thread "main" java.lang.NoClassDefFoundError: PrintTest

[...]

What am I doing wrong?


Your classpath omits the current directory:

java -cp .:Printer.jar PrintTest


Thanks for the ansnwer, but this does not solve the problem! I still
get
$ java -cp .:Printer.jar PrintTest
Exception in thread "main" java.lang.NoClassDefFoundError: PrintTest
[...]

I noticed that when compiling:
$ javac -cp Printer.jar PrintTest.java
I end up with a file MyPrinter.class in the folder. This is the one
which should be (and is) in the jar. Where is that file coming from?

If I compile with the classpath set to the current folder as well, I
get a compile error:
$ javac -cp .:Printer.jar PrintTest.java
PrintTest.java:1: package mytest does not exist
import mytest.MyPrinter;
             ^
PrintTest.java:4: cannot find symbol
symbol : class MyPrinter
location: class PrintTest
                MyPrinter ps = new MyPrinter();
                ^
PrintTest.java:4: cannot find symbol
symbol : class MyPrinter
location: class PrintTest
                MyPrinter ps = new MyPrinter();
                                   ^
3 errors

Should the manifest in the jar contain more details (it's basically
empty now)?


What is the output of "jar -tf Printer.jar"?

--
Lew

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