Even in the comments of that video you can see the solution. Add a
dependency on the module providing HelpCtx.
Gj
On Sun, 21 Apr 2019 at 23:01, Alex O'Ree <alexo...@apache.org> wrote:
> Thanks for the link. I'm walking through the video now and hit a snag on
> the "make a new window" part. This is with 8.2 NB. My NB11 has a similar
> error (cannot access HelpCtx
> class file for org.openide.util.HelpCtx not found)
>
> error: cannot access Lookup
> public class MyTopComponent extends TopComponent {
> class file for org.openide.util.Lookup not found
> warning: Supported source version 'RELEASE_6' from annotation processor
> 'org.netbeans.modules.openide.util.NbBundleProcessor' less than -source
> '1.7'
> error: cannot find symbol
> setDisplayName("hello world");
> symbol: method setDisplayName(String)
> location: class MyTopComponent
> C:\Program Files\NetBeans 8.2\harness\common.xml:225: Compile failed; see
> the compiler error output for details.
> BUILD FAILED (total time: 2 seconds)
>
> If i remove the call to setDisplayName, i get an angry error message
>
>
> warning: Supported source version 'RELEASE_6' from annotation processor
> 'org.netbeans.modules.openide.util.NbBundleProcessor' less than -source
> '1.7'
> An exception has occurred in the compiler (1.8.0_101). Please file a bug
> against the Java compiler via the Java bug reporting page (
> http://bugreport.java.com) after checking the Bug Database (
> http://bugs.java.com) for duplicates. Include your program and the
> following diagnostic in your report. Thank you.
> java.lang.NullPointerException
> at
> com.sun.tools.javac.comp.Check.checkClassOverrideEqualsAndHash(Check.java:2027)
> at
> com.sun.tools.javac.comp.Check.checkClassOverrideEqualsAndHashIfNeeded(Check.java:2017)
> at com.sun.tools.javac.comp.Attr.attribClass(Attr.java:4274)
> at com.sun.tools.javac.comp.Attr.attribClass(Attr.java:4200)
> at com.sun.tools.javac.comp.Attr.attrib(Attr.java:4175)
> at
> com.sun.tools.javac.main.JavaCompiler.attribute(JavaCompiler.java:1248)
> at
> com.sun.tools.javac.main.JavaCompiler.compile2(JavaCompiler.java:901)
> at com.sun.tools.javac.main.JavaCompiler.compile(JavaCompiler.java:860)
> at com.sun.tools.javac.main.Main.compile(Main.java:523)
> at com.sun.tools.javac.main.Main.compile(Main.java:381)
> at com.sun.tools.javac.main.Main.compile(Main.java:370)
> at com.sun.tools.javac.main.Main.compile(Main.java:361)
> at com.sun.tools.javac.Main.compile(Main.java:56)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at
> org.apache.tools.ant.taskdefs.compilers.Javac13.execute(Javac13.java:58)
> at org.apache.tools.ant.taskdefs.Javac.compile(Javac.java:1395)
> at org.netbeans.nbbuild.CustomJavac.compile(CustomJavac.java:125)
> at org.apache.tools.ant.taskdefs.Javac.execute(Javac.java:1121)
> at org.netbeans.nbbuild.CustomJavac.execute(CustomJavac.java:106)
> at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:293)
> at sun.reflect.GeneratedMethodAccessor223.invoke(Unknown Source)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at
> org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
> at org.apache.tools.ant.Task.perform(Task.java:348)
> at org.apache.tools.ant.Target.execute(Target.java:435)
> at org.apache.tools.ant.Target.performTasks(Target.java:456)
> at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1405)
> at org.apache.tools.ant.Project.executeTarget(Project.java:1376)
> at
> org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
> at org.apache.tools.ant.Project.executeTargets(Project.java:1260)
> at
> org.apache.tools.ant.module.bridge.impl.BridgeImpl.run(BridgeImpl.java:286)
> at
> org.apache.tools.ant.module.run.TargetExecutor.run(TargetExecutor.java:599)
> at
> org.netbeans.core.execution.RunClassThread.run(RunClassThread.java:153)
>
>
> On Sun, Apr 21, 2019 at 4:20 PM Geertjan Wielenga <geert...@apache.org>
> wrote:
>
>> But best is to buy this: https://leanpub.com/nbp4beginners
>>
>> Gj
>>
>> On Sun, Apr 21, 2019 at 10:18 PM Geertjan Wielenga <geert...@apache.org>
>> wrote:
>>
>>> https://netbeans.org/features/platform/all-docs.html
>>>
>>> Gj
>>>
>>> On Sun, Apr 21, 2019 at 9:59 PM Alex O'Ree <alexo...@apache.org> wrote:
>>>
>>>> Are there any how to guides on netbeans plugin development?
>>>>
>>>> I found this:
>>>> http://wiki.netbeans.org/IntroNetBeansPluginDev
>>>> which was last updated in 2013 and doesn't seem to be accurate any
>>>> longer.
>>>>
>>>
