Also, the screenshot shows that there are errors in NetBeans somehow. Suggest you close NetBeans and start with a fresh user directory (go to etc/netbeans.conf in your installation directory and change the cachedir and userdir settings to non-existent folders and they'll be recreated).
Gj On Sat, Sep 21, 2019 at 12:34 PM Geertjan Wielenga <geert...@apache.org> wrote: > And following instructions means naming things the same as in the > instructions. Just follow the instructions in the YouTube clip as exactly > as you can, including the names of everything, and if you still can't run > it, just do a clean on your Maven project and put it on GitHub and tell us > where to find it so that we can take a look at it. > > Gj > > On Sat, Sep 21, 2019 at 12:32 PM Geertjan Wielenga <geert...@apache.org> > wrote: > >> Type 'main' or 'psvm' and then press Tab. >> >> And when you right-click the project, choose 'Run', not 'Build'. >> >> Gj >> >> On Sat, Sep 21, 2019 at 12:31 PM Walter Oney <walter.o...@oneylaw.com> >> wrote: >> >>> Another difference: I don't get the same auto-complete behavior you did >>> when you typed "main". Did you perhaps hit a shortcut key at that point? >>> >>> -----Original Message----- >>> From: Walter Oney <walter.o...@oneylaw.com> >>> Sent: Saturday, September 21, 2019 6:28 AM >>> To: 'Geertjan Wielenga' <geert...@apache.org> >>> Cc: 'Carl Mosca' <carljmo...@gmail.com>; 'Neil C Smith' < >>> neilcsm...@apache.org>; 'NetBeans Mailing List' < >>> users@netbeans.apache.org> >>> Subject: RE: FW: screenshot >>> >>> When I follow those directions as accurately as I can, I end up with >>> what you see in the attached screen shot. The .java file is apparently not >>> part of the project, however, because I don't have the option to compile it >>> when I right-click on it within the project pane. You can also see that the >>> build says there are no source files to compile. Attempting to run this app >>> gives me the same pop-up error that I get with Ant, with a list of >>> alternative main classes containing just "<no main classes found>". >>> >>> -----Original Message----- >>> From: Geertjan Wielenga <geert...@apache.org> >>> Sent: Saturday, September 21, 2019 6:07 AM >>> To: Walter Oney <walter.o...@oneylaw.com> >>> Cc: Carl Mosca <carljmo...@gmail.com>; Neil C Smith < >>> neilcsm...@apache.org>; NetBeans Mailing List <users@netbeans.apache.org >>> > >>> Subject: Re: FW: screenshot >>> >>> https://youtu.be/HcmcOMZQ0TM >>> >>> >>> Created that especially for you and hope it helps you. >>> >>> Gj >>> >>> >>> On Sat, Sep 21, 2019 at 11:59 AM Geertjan Wielenga <geert...@apache.org >>> <mailto:geert...@apache.org> > wrote: >>> >>> >>> You probably mean an empty project. And indeed, no main class >>> can be found because there's no source file at all. So create one and >>> create a main class within it. >>> >>> Gj >>> >>> On Sat, Sep 21, 2019 at 11:53 AM Geertjan Wielenga < >>> geert...@apache.org <mailto:geert...@apache.org> > wrote: >>> >>> >>> What is “a project with a class but no source file”? >>> >>> Gj >>> >>> On Sat, 21 Sep 2019 at 11:50, Walter Oney < >>> walter.o...@oneylaw.com <mailto:walter.o...@oneylaw.com> > wrote: >>> >>> >>> With "Java with Maven" I get a project with a >>> class but no source file. Attempting to run gives the same apparent error >>> pop-up that there's no main class. >>> >>> Using "Java with Gradle" earns me a message that >>> there's no valid Java platform for key default_platform. >>> >>> -----Original Message----- >>> From: Geertjan Wielenga <geert...@apache.org >>> <mailto:geert...@apache.org> > >>> Sent: Saturday, September 21, 2019 5:45 AM >>> To: Walter Oney <walter.o...@oneylaw.com >>> <mailto:walter.o...@oneylaw.com> > >>> Cc: Carl Mosca <carljmo...@gmail.com <mailto: >>> carljmo...@gmail.com> >; Neil C Smith <neilcsm...@apache.org <mailto: >>> neilcsm...@apache.org> >; NetBeans Mailing List < >>> users@netbeans.apache.org <mailto:users@netbeans.apache.org> > >>> Subject: Re: FW: screenshot >>> >>> Now can you try to reproduce the same problem >>> with the Java Application (the first template, right at the top) in “Java >>> with Maven”? >>> >>> Gj >>> >>> On Sat, 21 Sep 2019 at 11:40, Walter Oney < >>> walter.o...@oneylaw.com <mailto:walter.o...@oneylaw.com> <mailto: >>> walter.o...@oneylaw.com <mailto:walter.o...@oneylaw.com> > > wrote: >>> >>> >>> I chose category "Java with Ant" and >>> project "Java Application" >>> >>> -----Original Message----- >>> From: Walter Oney < >>> walter.o...@oneylaw.com <mailto:walter.o...@oneylaw.com> <mailto: >>> walter.o...@oneylaw.com <mailto:walter.o...@oneylaw.com> > > >>> Sent: Saturday, September 21, 2019 5:22 >>> AM >>> To: 'Geertjan Wielenga' < >>> geert...@apache.org <mailto:geert...@apache.org> <mailto: >>> geert...@apache.org <mailto:geert...@apache.org> > > >>> Cc: 'Carl Mosca' <carljmo...@gmail.com >>> <mailto:carljmo...@gmail.com> <mailto:carljmo...@gmail.com <mailto: >>> carljmo...@gmail.com> > >; 'Neil C Smith' <neilcsm...@apache.org >>> <mailto:neilcsm...@apache.org> <mailto:neilcsm...@apache.org <mailto: >>> neilcsm...@apache.org> > >; 'NetBeans Mailing List' < >>> users@netbeans.apache.org <mailto:users@netbeans.apache.org> <mailto: >>> users@netbeans.apache.org <mailto:users@netbeans.apache.org> > > >>> Subject: RE: FW: screenshot >>> >>> > No, I don’t. Are you using ‘Java with >>> Maven’ or ‘Java with Ant’? >>> >>> I must be missing something major. The >>> screen shot plainly shows that I'm using Apache NetBeans 11.1 with Ant. >>> Normally, I would think that I've done something wrong, because I learned >>> sometime around 1965 that computers and well-vetted tools rarely make >>> mistakes. Since this isn't my first rodeo, I tend to think that something >>> about the automatic class creation logic is mismatched with the build >>> environment -- probably because I installed the wrong version of something >>> through ignorance. >>> >>> Hopefully, you'll accept a friendly >>> suggestion about how to provide tech support and/or volunteer help: it >>> never hurts to assume that you're dealing with an accurate report of a >>> problem from someone who is missing a crucial piece of information that >>> experienced users possess. In my salad days, I used to send academic users >>> out of the assistance office to lookup something in one of the dozens of >>> IBM manuals that were conveniently mounted in a rack next to the >>> keypunches. I eventually learned that what was transparent to me as a >>> systems programmer was completely opaque to real users. >>> >>> -- >>> Walter C. Oney, Jr., Esq. >>> 267 Pearl Hill Rd., Fitchburg, MA 01420 >>> Tel.: 978-343-3390 >>> http://www.oneylaw.com >>> >>> >>> >>> >>> >>> >>> >>> --------------------------------------------------------------------- >>> To unsubscribe, e-mail: >>> users-unsubscr...@netbeans.apache.org <mailto: >>> users-unsubscr...@netbeans.apache.org> <mailto: >>> users-unsubscr...@netbeans.apache.org <mailto: >>> users-unsubscr...@netbeans.apache.org> > >>> For additional commands, e-mail: >>> users-h...@netbeans.apache.org <mailto:users-h...@netbeans.apache.org> >>> <mailto:users-h...@netbeans.apache.org <mailto: >>> users-h...@netbeans.apache.org> > >>> >>> For further information about the >>> NetBeans mailing lists, visit: >>> >>> https://cwiki.apache.org/confluence/display/NETBEANS/Mailing+lists >>> >>> >>> >>> >>> >>> >>> >>> >>> --------------------------------------------------------------------- >>> To unsubscribe, e-mail: users-unsubscr...@netbeans.apache.org >>> For additional commands, e-mail: users-h...@netbeans.apache.org >>> >>> For further information about the NetBeans mailing lists, visit: >>> https://cwiki.apache.org/confluence/display/NETBEANS/Mailing+lists >>> >>>