Just a quick guess without looking at your code ... The stack trace
java.lang.IllegalStateException: Cannot find TopComponent with
> > preferredID CustomerViewerTopComponent, see IDE log for more details.
would seem to imply that you may have renamed your top component (or written a
new one), but have a bit of example code that still referring to it by the
'old' name, probably here
result =
WindowManager.getDefault().findTopComponent("CustomerViewerTopComponent").getLookup().lookupResult(Customer.class);
If so, I'd search for that string and change it to be whatever you've called
your top component.
Peter
________________________________
From: Ömer Halit Çizmeci <omerha...@gmail.com>
Sent: Friday, December 18, 2020 12:41 AM
To: dev@netbeans.apache.org <dev@netbeans.apache.org>
Subject: Re: Embedded Derby DB and Platform Application
Hi,
FYI, Derby embedded/client database works with NetBeans 12.0. You might
want to review your code or imports.
On Fri, Dec 18, 2020, 10:29 AM Geertjan Wielenga
<geertjan.wiele...@googlemail.com.invalid> wrote:
> Put all the code on GitHub so someone can take a look.
>
> Gj
>
> On Fri, 18 Dec 2020 at 04:29, Sean Carrick <s...@pekinsoft.com> wrote:
>
> > Hey All!
> >
> > I am trying to use an embedded Derby database in my platform
> > application, but cannot get it to work. I have worked through the CRUD
> > tutorial <https://platform.netbeans.org/tutorials/nbm-crud.html> using
> > the sample Derby database and it works flawlessly. However, when I try
> > to do this with my embedded database, it blows up.
> >
> > After I add my viewer window, run the application, and the window shows
> > up as expected. Then, when I start adding in the persistence/database
> > access code, I get the following error:
> >
> > A java.lang.IllegalStateException exception has occurred.
> > Click Show Details or see the messages.log file located in your
> > /home/sean/NetBeansProjects/TestDBApp/build/testuserdir/var/log folder.
> >
> > This is accompanied by this stacktrace:
> >
> > java.lang.IllegalStateException: Cannot find TopComponent with
> > preferredID CustomerViewerTopComponent, see IDE log for more details.
> > at
> >
> >
> org.openide.windows.OpenComponentAction.actionPerformed(OpenComponentAction.java:69)
> > at
> > org.openide.awt.AlwaysEnabledAction$1.run(AlwaysEnabledAction.java:174)
> > at
> org.openide.util.actions.ActionInvoker$1.run(ActionInvoker.java:70)
> > at
> >
> >
> org.openide.util.actions.ActionInvoker.doPerformAction(ActionInvoker.java:91)
> > at
> >
> org.openide.util.actions.ActionInvoker.invokeAction(ActionInvoker.java:74)
> > at
> >
> >
> org.openide.awt.AlwaysEnabledAction.actionPerformed(AlwaysEnabledAction.java:177)
> > at
> > javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022)
> > at
> >
> >
> javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2348)
> > at
> >
> >
> javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402)
> > at
> > javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259)
> > at javax.swing.AbstractButton.doClick(AbstractButton.java:376)
> > at
> > javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:842)
> > at
> >
> >
> javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:886)
> > at java.awt.Component.processMouseEvent(Component.java:6539)
> > at javax.swing.JComponent.processMouseEvent(JComponent.java:3324)
> > at java.awt.Component.processEvent(Component.java:6304)
> > at java.awt.Container.processEvent(Container.java:2239)
> > at java.awt.Component.dispatchEventImpl(Component.java:4889)
> > at java.awt.Container.dispatchEventImpl(Container.java:2297)
> > at java.awt.Component.dispatchEvent(Component.java:4711)
> > at
> > java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4904)
> > at
> > java.awt.LightweightDispatcher.processMouseEvent(Container.java:4535)
> > at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4476)
> > at java.awt.Container.dispatchEventImpl(Container.java:2283)
> > at java.awt.Window.dispatchEventImpl(Window.java:2746)
> > at java.awt.Component.dispatchEvent(Component.java:4711)
> > at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:760)
> > at java.awt.EventQueue.access$500(EventQueue.java:97)
> > at java.awt.EventQueue$3.run(EventQueue.java:709)
> > at java.awt.EventQueue$3.run(EventQueue.java:703)
> > at java.security.AccessController.doPrivileged(Native Method)
> > at
> >
> >
> java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:74)
> > at
> >
> >
> java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:84)
> > at java.awt.EventQueue$4.run(EventQueue.java:733)
> > at java.awt.EventQueue$4.run(EventQueue.java:731)
> > at java.security.AccessController.doPrivileged(Native Method)
> > at
> >
> >
> java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:74)
> > at java.awt.EventQueue.dispatchEvent(EventQueue.java:730)
> > at
> >
> >
> org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:136)
> > [catch] at
> >
> >
> java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:205)
> > at
> >
> >
> java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
> > at
> >
> >
> java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
> > at
> > java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
> > at
> > java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
> > at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)
> >
> > I commented out all of the code that I placed in the constructor of the
> > CustomerViewerTopComponent, then started adding back the code, one line
> > at a time. This exception is actually thrown at the very first line:
> >
> > EntityManager entityManager =
> >
> >
> Persistence.createEntityManagerFactory("CustomerLibraryPU").createEntityManager();
> >
> > I have all appropriate imports, and my annotations are as follows:
> >
> > @ConvertAsProperties(
> > dtd =
> > "-//com.pekinsoft.nwind.db.customer.viewer//CustomerViewer//EN",
> > autostore = false
> > )
> > @TopComponent.Description(
> > preferredID = "CustomerViewerTopComponent",
> > iconBase =
> > "com/pekinsoft/nwind/db/customer/viewer/customers16.png",
> > persistenceType = TopComponent.PERSISTENCE_ALWAYS
> > )
> > @TopComponent.Registration(mode = "explorer", openAtStartup = false)
> > @ActionID(category = "Window", id =
> > "com.pekinsoft.nwind.db.customer.viewer.CustomerViewerTopComponent")
> > @ActionReference(path = "Menu/Window/Administration" /*, position = 333
> */)
> > @TopComponent.OpenActionRegistration(
> > displayName = "#CTL_CustomerViewerAction",
> > preferredID = "CustomerViewerTopComponent"
> > )
> > @Messages({
> > "CTL_CustomerViewerAction=CustomerViewer",
> > "CTL_CustomerViewerTopComponent=CustomerViewer Window",
> > "HINT_CustomerViewerTopComponent=This is a CustomerViewer window"
> > })
> >
> > As can clearly be seen, the preferredID = "CustomerViewerTopComponent"
> > is present...twice, to be exact, as generated by the Window wizard.
> >
> > My next step was, since I had only created the tables and they were
> > empty, was to add a test record into my CUSTOMERS table, thinking that
> > maybe this was due to there not being any data in the table. However, I
> > still received this exception.
> >
> > My Persistence Unit is defined with the following connection string:
> > jdbc:derby:testdb;create=true;
> >
> > I am using Oracle Java 8, NetBeans 12.0 (64-bit) for both. I am running
> > on MX Linux with a CORE i7 (7th Gen), 8GiB of RAM, 1TB HDD. All kernel
> > updates are in place and at version:
> >
> > uname -a: Linux omen 4.19.0-12-amd64 #1 SMP Debian 4.19.152-1
> > (2020-10-18) x86_64 GNU/Linux
> >
> > I am at a loss as to why this is not working and am wondering if it is
> > just that the embedded Derby database is not working with NB12.0 for
> > some reason. Any help anyone can provide is greatly appreciated. Thank
> > you all in advance.
> >
> > Sean C.
> >
> >
>
