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| ID | Project | Category | View Status | Date Submitted | Last Update | ||||
| 06532 | Bug reports | [All Projects] Other | public | 2012-08-31 05:40 | 2012-09-14 10:36 | ||||
| Reporter | derekwildstar | ||||||||
| Assigned To | c_schmitz | ||||||||
| Priority | high | Severity | major | ||||||
| Status | closed | Resolution | unable to reproduce | ||||||
| Product Version | 1.92+ | ||||||||
| Target Version | Fixed in Version | ||||||||
| Summary | 06532: Captcha does not validate with Internet Explorer | ||||||||
| Description | The captcha expression does not validate when using Internet Explorer 9. This problem can occurs with another version of this browser. Firefox can handle correctly the captcha. The error condition was not testes on Chrome, Safari or Opera. | ||||||||
| Steps To Reproduce | 1. Activate the captcha to be showed before enter the question page 2. Load the survey with Internet Explorer 3. Press the "Continue" button without any answer. This is to ensure the error will occur. The page will be shown again with another captcha expression 4. At this time, type the correct captcha value and press the "Continue" button 5. From this point, any attempt to answer the captcha question fails. | ||||||||
| Additional Information | Early debugs shows that the problem occurs because after press the Continue button (submit), the IE loads twice the captcha (verification.php), so the expression shown on captcha is always different from the one generates the result saved on the $_SESSION | ||||||||
| I will donate to the project if issue is resolved within 48 hrs | No | ||||||||
| LimeSurvey build number | 20822 | ||||||||
| Browser | Windows Internet Explorer | ||||||||
| Database & DB-Version | MySQL 5.1 | ||||||||
| Operating System (Server) | Unix/Linux | ||||||||
| Webserver software & version | Apache 2.2.19 | ||||||||
| PHP Version | 5.2 | ||||||||
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Notes |
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 (20604)derekwildstar (reporter) 2012-08-31 05:41 |
For more information and a simple test script, follow this link: http://stackoverflow.com/questions/12170692/why-internet-explorer-loads-one-image-more-than-one-time-on-some-situations [^] |
 (20648)c_schmitz (administrator) 2012-09-09 15:57 |
Which version of IE does show this behaviour? |
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(20652) derekwildstar (reporter) 2012-09-10 16:03 edited on: 2012-09-10 16:03 |
As the description says, IE9, but this behaviour can occur on another versions of IE and/or another browsers. In fact I tested only on IE9 and Firefox. On FF everything is OK. On IE there are two calls to verification.php, so the result of showed expression is unpredictable, turning the use of captcha impossible. The link on annotation #20604 can give you a more complete example |
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(20678) c_schmitz (administrator) 2012-09-13 14:56 edited on: 2012-09-13 14:56 |
I just checked this here in IE9 and it works just fine. I cannot reproduce your problem, sorry. Do you have maybe some IE plugin installe that causes the problem? Is your survey online somewhere for me to test. Can you check if you maybe can reproduce this in our demo installation and post the link? |
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(20681) derekwildstar (reporter) 2012-09-13 16:10 |
To reproduce the error i've done the following steps: 1. Open IE9 2. Paste the following link: http://surveys.zettaomnis.comlu.com/index.php?sid=41669 [^] 3. Press ENTER on address bar 4. The page will load with some portugues text (ignore it) and the captcha expression 5. Answer the expression and press the button 6. After that, even answering correctly, the captcha does not validate Doing the same above on FF works perfectly. There are a workaround on my IE9 situation... 1. Open IE9 2. Paste the following link: http://surveys.zettaomnis.comlu.com/index.php?sid=41669 [^] 3. Press ENTER on address bar 4. The page will load with some portugues text (ignore it) and the captcha expression 5. PRESS THE REFRESH BUTTON TO RELOAD THE PAGE 6. Answer the captcha expression and press the button 7. Now, the expression is corrctly validated Weird, not? If you follow the link http://stackoverflow.com/questions/12170692/why-internet-explorer-loads-one-image-more-than-one-time-on-some-situations [^] you will see a more direct example, using nothing but the captcha system (no survey required) |
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(20683) c_schmitz (administrator) 2012-09-13 20:25 |
It works also on your http://surveys.zettaomnis.comlu.com/index.php?sid=41669 [^] URL for me with IE9. It seems to be a problem with your system or some browser plugin. |
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(20685) derekwildstar (reporter) 2012-09-13 20:37 |
I will deactivate all plugins anda test again... Please do not close this issue... |
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(20690) derekwildstar (reporter) 2012-09-14 02:59 |
I deactivated all plugins (complements) on my IE9, and the problem persists. And now I found another error. At the end of one survey the results are always incomplete when I use the my IE9. The same behaviour happens on my work's IE9. What can I do for help solve this? |
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(20691) c_schmitz (administrator) 2012-09-14 10:36 |
But if I can not reproduce it here with IE9 and you can then it must be your system(s) - or maybe a proxy server you are using. In addtion to that the captcha system exists in LimeSurvey for years and nobody else complained about this issue. Anyway, I am sorry but this is not a LimeSurvey bug. |
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Notes |
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Issue History |
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| Date Modified | Username | Field | Change |
| 2012-08-31 05:40 | derekwildstar | New Issue | |
| 2012-08-31 05:41 | derekwildstar | Note Added: 20604 | |
| 2012-09-09 15:57 | c_schmitz | Note Added: 20648 | |
| 2012-09-09 15:57 | c_schmitz | Assigned To | => c_schmitz |
| 2012-09-09 15:57 | c_schmitz | Status | new => feedback |
| 2012-09-10 16:03 | derekwildstar | Note Added: 20652 | |
| 2012-09-10 16:03 | derekwildstar | Status | feedback => assigned |
| 2012-09-10 16:03 | derekwildstar | Note Edited: 20652 | View Revisions |
| 2012-09-13 14:56 | c_schmitz | Note Added: 20678 | |
| 2012-09-13 14:56 | c_schmitz | Status | assigned => feedback |
| 2012-09-13 14:56 | c_schmitz | Note Edited: 20678 | View Revisions |
| 2012-09-13 14:56 | c_schmitz | Note Edited: 20678 | View Revisions |
| 2012-09-13 16:10 | derekwildstar | Note Added: 20681 | |
| 2012-09-13 16:10 | derekwildstar | Status | feedback => assigned |
| 2012-09-13 20:25 | c_schmitz | Note Added: 20683 | |
| 2012-09-13 20:31 | c_schmitz | Status | assigned => feedback |
| 2012-09-13 20:37 | derekwildstar | Note Added: 20685 | |
| 2012-09-13 20:37 | derekwildstar | Status | feedback => assigned |
| 2012-09-14 00:30 | c_schmitz | Status | assigned => feedback |
| 2012-09-14 02:59 | derekwildstar | Note Added: 20690 | |
| 2012-09-14 02:59 | derekwildstar | Status | feedback => assigned |
| 2012-09-14 10:36 | c_schmitz | Note Added: 20691 | |
| 2012-09-14 10:36 | c_schmitz | Status | assigned => closed |
| 2012-09-14 10:36 | c_schmitz | Resolution | open => unable to reproduce |
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Issue History |
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