OK, JDK 12. Can someone reproduce or help?
Gj
On Sun, 20 Oct 2019 at 20:18, Geertjan Wielenga <geert...@apache.org> wrote:
> What is the version of Java you’re using on the command line?
>
> Gj
>
> On Sun, 20 Oct 2019 at 20:10, Peter Toye <netbe...@ptoye.com> wrote:
>
>> Dear Geertjan,
>>
>> OK, I've read up on modules and written my first Hello World program
>> which compiles and runs fine using NetBeans. However, it doesn't run from a
>> command line, even after I've removed the mistakes in the Ant-generated
>> suggestion:
>>
>> D:\>"C:\Program Files\Java\jdk-12.0.1/bin/java" --module-path
>> D:\Peter\Netbeans\TestModules1\build\modules com.ptoye.greetings.Main
>> Picked up _JAVA_OPTIONS: -Djava.net.preferIPv4Stack=true
>> Error: Could not find or load main class com.ptoye.greetings.Main
>> Caused by: java.lang.ClassNotFoundException: com.ptoye.greetings.Main
>>
>> The main class is:
>>
>> package com.ptoye.greetings;
>> ????import com.ptoye.astro.World;
>> ??public class Main {??
>> public static void main(String[] args) {
>> ?? System.out.format("Greetings %s!%n", World.name());
>> ?? }
>> ??}??
>>
>> Where does one go from here? I'm using the Oracle version of Java, Would
>> OpenJDK make any difference? AFAICS it's the same.
>>
>> Thanks for the mailing list link. I looked at them but they all seem to
>> be oriented towards people developing OpenJDK rather than users. There
>> isn't a "support" or "help" link on the OpenJDK site.
>>
>> Best regards,
>>
>> Peter
>> mailto:netbe...@ptoye.com
>> www.ptoye.com
>>
>> -------------------------
>> Monday, October 14, 2019, 10:18:27 AM, you wrote:
>>
>>
>>
>>
>>
>>
>> On Mon, Oct 14, 2019 at 11:16 AM Peter Toye <netbe...@ptoye.com> wrote:
>>
>> Dear Geertjan,
>>
>> I agree that the "java" command has nothing to do with Netbeans. I'll try
>> to be more explicit:
>>
>> I have a project which dates back to about 2006 and has a main class
>> which I'll call A. This uses a separate class B which I developed
>> separately. I included B as a library using A's project properties.
>>
>> Using Netbeans 8 (and earlier) it was possible to run the project using a
>> command line like
>> java -jar A.jar
>> and the program ran. The Java version was 1.8. The path to the Java
>> executable is in my PATH.
>>
>> Earlier this year I wanted to develop it further, and decided to move to
>> the latest version of NetBeans (11.1) and Java (12). Now the command line
>> as given in the build output is
>> C:\Program Files\Java\jdk-12.0.1/bin/java -cp *directory\*A.jar;
>> *directory\*B.jar *classpath.*A
>>
>> My main point is that I don't understand how or why this has changed.
>>
>> https://openjdk.java.net/projects/jigsaw/
>>
>> There is now a module system in Java, meaning that there is now a module
>> path and a class path. That was not there in JDK 8 and is now there since
>> then.
>>
>> Can you join the Java mailing lists and discuss further there:
>> https://mail.openjdk.java.net/mailman/listinfo
>>
>> Gj
>>
>
