[forge-issues] [JBoss JIRA] (FORGE-2548) Better error message what is wrong in a custom wizard for addon developers

[Claus Ibsen (JIRA)]

Claus Ibsen created FORGE-2548:
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             Summary: Better error message what is wrong in a custom wizard for addon developers
                 Key: FORGE-2548
                 URL: https://issues.jboss.org/browse/FORGE-2548
             Project: Forge
          Issue Type: Enhancement
    Affects Versions: 3.0.0.Alpha2
            Reporter: Claus Ibsen


When you develop custom addon's then various things can go wrong. And whether the command runs in CLI or IDEA or Eclipse then it works a little bit differently.

I have a command wizard that fails with this cryptic index out of bounds exception. I finally found the stracktrace in idea.log file, as IDEA itself says nothing
{code}
2015-12-08 10:45:34,976 [ 148775]  ERROR - llij.ide.plugins.PluginManager - Index: 2, Size: 2 
java.lang.IndexOutOfBoundsException: Index: 2, Size: 2
	at java.util.ArrayList.rangeCheck(ArrayList.java:653)
	at java.util.ArrayList.get(ArrayList.java:429)
	at org.jboss.forge.addon.ui.impl.controller.WizardCommandControllerImpl.getCurrentEntry(WizardCommandControllerImpl.java:491)
	at org.jboss.forge.addon.ui.impl.controller.WizardCommandControllerImpl.getCurrentController(WizardCommandControllerImpl.java:502)
	at org.jboss.forge.addon.ui.impl.controller.WizardCommandControllerImpl.getInputs(WizardCommandControllerImpl.java:244)
	at org.jboss.forge.addon.ui.impl.controller.NoUIWizardControllerDecorator.getInputs(NoUIWizardControllerDecorator.java:189)
{code}

As all the stacktrace is purely in forge code, I cannot really see what I do wrong.

Can you guys improve that part of the code that has the index out of bounds and do a better exception message that can help me what is the problem / as well other addon developers.



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