[hibernate-issues] [Hibernate-JIRA] Created: (HBX-819) NullPointerException in simple case with one configuration file and two console configurations

[Francois Granade (JIRA)]

NullPointerException in simple case with one configuration file and two console configurations
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         Key: HBX-819
         URL: http://opensource.atlassian.com/projects/hibernate/browse/HBX-819
     Project: Hibernate Tools
        Type: Bug

  Components: consoleconfiguration  
    Versions: 3.2beta8    
 Environment: macos, hsqldb
    Reporter: Francois Granade
    Priority: Minor


I'm having an NullPointerException (See the stack below), I'm not really able to understand what triggers it (it is not completely reproducible, it seems).

My setup is very simple: just one Java project, one hibernate configuration file, two console configurations, nothing else. The only thing that's a little special, is that one of the console configuration is invalid (no driver jar file defined). 

I'll try to describe it as precisely as possible:
- I have a very simple HSQLDB server, just out-of-the box. I have created only one table with: "create table x (a varchar(255), b int)".
- I created an Hibernate configuration file for the HSQLDB database using "File > New > Others", "Hibernate > Hibernate configuration file"; I specified "create a console configuration", and I gave a name to the Console Configuration, but I didn't set any other property (in particular, I did not specify the .jar file for hsqldb: so it's not a correctly defined console configuration)
- Then I created a second console configuration; That time, in the 'classpath' section at the bottom, I selected 'add external jar' and added my  'hsqldb.jar'.
- I can now open the HSQL DB correctly in the Hibernate Configuration view, with this second console configuration (the first one is doing an error, which is normal). 
- now, time to time, when I right-click on the definition of my table ('X"), and select "HQL Editor", I sometimes get the NullPointerException (but not always).


here's the stack trace:

!MESSAGE Problems occurred when invoking code from plug-in: "org.eclipse.ui.workbench".
!STACK 0
java.lang.NullPointerException
	at java.util.TreeMap.compare(TreeMap.java:1093)
	at java.util.TreeMap.getEntry(TreeMap.java:347)
	at java.util.TreeMap.get(TreeMap.java:265)
	at org.hibernate.console.KnownConfigurations.find(KnownConfigurations.java:225)
	at org.hibernate.eclipse.console.AbstractQueryEditor.getConsoleConfiguration(AbstractQueryEditor.java:51)
	at org.hibernate.eclipse.console.views.DynamicSQLPreviewView.updateText(DynamicSQLPreviewView.java:137)
	at org.hibernate.eclipse.console.views.DynamicSQLPreviewView.setCurrentEditor(DynamicSQLPreviewView.java:130)
	at org.hibernate.eclipse.console.views.DynamicSQLPreviewView.hookIntoEditor(DynamicSQLPreviewView.java:114)
	at org.hibernate.eclipse.console.views.DynamicSQLPreviewView.access$2(DynamicSQLPreviewView.java:107)
	at org.hibernate.eclipse.console.views.DynamicSQLPreviewView$1.partBroughtToTop(DynamicSQLPreviewView.java:92)
	at org.eclipse.ui.internal.PartListenerList2$2.run(PartListenerList2.java:83)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37)
	at org.eclipse.core.runtime.Platform.run(Platform.java:843)
	at org.eclipse.ui.internal.PartListenerList2.fireEvent(PartListenerList2.java:53)
	at org.eclipse.ui.internal.PartListenerList2.firePartBroughtToTop(PartListenerList2.java:81)
	at org.eclipse.ui.internal.PartService.firePartBroughtToTop(PartService.java:90)
	at org.eclipse.ui.internal.WWinPartService$1.partBroughtToTop(WWinPartService.java:40)
	at org.eclipse.ui.internal.PartListenerList2$2.run(PartListenerList2.java:

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