DO NOT REPLY [Bug 3634] New: - WebTesting: Url Sample element; delete non-existant param throws exception

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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=3634

           Summary: WebTesting: Url Sample element; delete non-existant
                    param throws exception
           Product: JMeter
           Version: unspecified
          Platform: Other
        OS/Version: Other
            Status: NEW
          Severity: Normal
          Priority: Other
         Component: Main
        AssignedTo: [EMAIL PROTECTED]
        ReportedBy: [EMAIL PROTECTED]


The user interface allows a user to attempt to delete a non-existant parameter 
in the WebTesting: Url Sample element.  A java.lang.IndexOutOfBoundsException 
is thrown.

For example, add a WebTesting element and within it, add an Url Sample element. 
Next, with an empty Parameter Table, click the Delete button.  You get the 
following exception:

Exception occurred during event dispatching:
java.lang.IndexOutOfBoundsException: Index: -1, Size: 0
        at java.util.ArrayList.RangeCheck(ArrayList.java:491)
        at java.util.ArrayList.remove(ArrayList.java:375)
        at org.apache.jmeter.config.Arguments.removeRow(Arguments.java:262)
        at org.apache.jmeter.config.gui.ArgumentsPanel.actionPerformed(Arguments
Panel.java:146)
        at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:14
50)
        at javax.swing.AbstractButton$ForwardActionEvents.actionPerformed(Abstra
ctButton.java:1504)
        at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel
.java:378)
        at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:250
)
        at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonL
istener.java:216)
        at java.awt.Component.processMouseEvent(Component.java:3717)
        at java.awt.Component.processEvent(Component.java:3546)
        at java.awt.Container.processEvent(Container.java:1164)
        at java.awt.Component.dispatchEventImpl(Component.java:2595)
        at java.awt.Container.dispatchEventImpl(Container.java:1213)
        at java.awt.Component.dispatchEvent(Component.java:2499)
        at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:2451
)
        at java.awt.LightweightDispatcher.processMouseEvent(Container.java:2216)

        at java.awt.LightweightDispatcher.dispatchEvent(Container.java:2125)
        at java.awt.Container.dispatchEventImpl(Container.java:1200)
        at java.awt.Window.dispatchEventImpl(Window.java:912)
        at java.awt.Component.dispatchEvent(Component.java:2499)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:319)
        at java.awt.EventDispatchThread.pumpOneEvent(EventDispatchThread.java:10
3)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:84)

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