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Posted to dev@beehive.apache.org by "Poornachandran (JIRA)" <ji...@apache.org> on 2008/04/01 16:28:27 UTC
[jira] Created: (BEEHIVE-1217) PageFlow stack gets corrupted when a
request to nested pageflow ends prematurely
PageFlow stack gets corrupted when a request to nested pageflow ends prematurely
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Key: BEEHIVE-1217
URL: https://issues.apache.org/jira/browse/BEEHIVE-1217
Project: Beehive
Issue Type: Bug
Reporter: Poornachandran
Scenario:
1. Please compile the attached pageflows (unzip these files into the pageflow enabled webapp and compile).
2. Run Controller.java pageflow and invoke "Go to Nested" action. "Go to Nested" on NestedPageFlowController simulates delay (using loop) and it takes sometime to complete the action.
3. In the meantime, invoke "Done" action, this action belongs to the outer pageflow and displays a jsp page.
Now, the PageFlowStack has the outer pageflow instance pushed, but the flow has actually come out of the nested pageflow. By repeating this process, page flow stack gets lot of invalid pageflow instances and after sometime, NullPointerException is thrown.
By adding a validation code in FlowControllerFactory before creating the pageflow instance and before pushing the pageflow instance to the pageflow stack, I am able to overcome this issue. Please update, if this is correct approach.
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[jira] Updated: (BEEHIVE-1217) PageFlow stack gets corrupted when a
request to nested pageflow ends prematurely
Posted by "Poornachandran (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/BEEHIVE-1217?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Poornachandran updated BEEHIVE-1217:
------------------------------------
Attachment: testcase.zip
test case that shows pageflow stack corruption
> PageFlow stack gets corrupted when a request to nested pageflow ends prematurely
> --------------------------------------------------------------------------------
>
> Key: BEEHIVE-1217
> URL: https://issues.apache.org/jira/browse/BEEHIVE-1217
> Project: Beehive
> Issue Type: Bug
> Reporter: Poornachandran
> Attachments: testcase.zip
>
>
> Scenario:
> 1. Please compile the attached pageflows (unzip these files into the pageflow enabled webapp and compile).
> 2. Run Controller.java pageflow and invoke "Go to Nested" action. "Go to Nested" on NestedPageFlowController simulates delay (using loop) and it takes sometime to complete the action.
> 3. In the meantime, invoke "Done" action, this action belongs to the outer pageflow and displays a jsp page.
> Now, the PageFlowStack has the outer pageflow instance pushed, but the flow has actually come out of the nested pageflow. By repeating this process, page flow stack gets lot of invalid pageflow instances and after sometime, NullPointerException is thrown.
> By adding a validation code in FlowControllerFactory before creating the pageflow instance and before pushing the pageflow instance to the pageflow stack, I am able to overcome this issue. Please update, if this is correct approach.
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