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From emilianbold <...@git.apache.org>
Subject [GitHub] jmeter pull request #293: Prevent use of the same array in CollectionPropert...
Date Wed, 26 Apr 2017 15:04:56 GMT
GitHub user emilianbold opened a pull request:

    https://github.com/apache/jmeter/pull/293

    Prevent use of the same array in CollectionProperty (close #58743)

    CollectionProperty constructor receives an empty ObjectTableModel.objects
    collection but normalizeList will return it as-is instead of creating a
    new empty collection.
    
    The two classes share the same array but add different kind of classes.
    
    NOTE: Basically the bug is in AbstractProperty.normalizeList because it should never reuse
the same instance. I've done the patch as you see it because it has the lowest impact and
does not change the normalizeList API (perhaps reusing is expected in some cases?)
    
    Let me know if I should redo the patch by just changing normalizeList!
    
    Constructor stacktrace:
    at org.apache.jmeter.testelement.property.CollectionProperty.<init>(CollectionProperty.java:40)
    at org.apache.jmeter.testelement.property.AbstractProperty.makeProperty(AbstractProperty.java:395)
    at org.apache.jmeter.testelement.property.AbstractProperty.createProperty(AbstractProperty.java:368)
    at org.apache.jmeter.testbeans.gui.TestBeanGUI.setPropertyInElement(TestBeanGUI.java:277)
    at org.apache.jmeter.testbeans.gui.TestBeanGUI.modifyTestElement(TestBeanGUI.java:266)
    at org.apache.jmeter.gui.tree.JMeterTreeModel.addComponent(JMeterTreeModel.java:148)
    at org.apache.jmeter.gui.action.AddToTree.doAction(AddToTree.java:70)
    at org.apache.jmeter.gui.action.ActionRouter.performAction(ActionRouter.java:74)
    at org.apache.jmeter.gui.action.ActionRouter.lambda$actionPerformed$28(ActionRouter.java:59)
    at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)


You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/emilianbold/jmeter trunk

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/jmeter/pull/293.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #293
    
----
commit 2b829035f144c49e565d99ed0ca8f83ba6f85cf4
Author: Emilian Bold <emi@apache.org>
Date:   2017-04-26T14:57:58Z

    Prevent use of the same array in CollectionProperty (close #58743)
    
    CollectionProperty constructor receives an empty ObjectTableModel.objects
    collection but normalizeList will return it as-is instead of creating a
    new empty collection.
    
    The two classes share the same array but add different kind of classes.

----


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