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Spring Corrupting Data on submit - "5" turns into "5,5", turns into "5,5,5,5", etc... [SPR-10697] #15325

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spring-projects-issues opened this issue Jun 26, 2013 · 2 comments
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@spring-projects-issues spring-projects-issues commented Jun 26, 2013

Will Dev opened SPR-10697 and commented

See attached file "Screenshots.png" for a straightforward description of what's happening.

Spring MVC is majorly corrupting submitted data. We start with a text field with "10" in it, we submit it and re-display the exact same data that we just submitted, and it's been turned into "10,10". Resumbit it again, we get "10,10,10,10"...etc etc.

I created a fairly straightforward test case to reproduce this problem (see attached files).


Affects: 3.1.1

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Referenced from: commits spring-attic/spring-framework-issues@e3588bf

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@spring-projects-issues spring-projects-issues commented Jun 26, 2013

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@spring-projects-issues spring-projects-issues commented Jun 26, 2013

Phil Webb commented

You are writing the following line multiple times with each page (because it is in your nested for loop):

<form:hidden path="software[${softwareVOStatus.index}].name"/>

If you trace the initial HTTP POST you will see that software[0].name=5 appears twice. Spring converts these 2 values to "5,5".

You need to remove the duplicated hidden form fields, perhaps move it outside of the nested for loop.

@spring-projects-issues spring-projects-issues added type: bug status: invalid in: web labels Jan 11, 2019
@spring-projects-issues spring-projects-issues removed the type: bug label Jan 12, 2019
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