Steps to reproduce

Create a sample survey with a sample group and quesiton. Activate and add a couple of responses. Export responses as vv file. Import said vv file

Expected result

the first two responses are replicated

Actual result

i am shown an error messages. the first two responses are replicated, though
PHP warning

unlink(/var/www/limesurvey/tmp/ha9x8ktjh5s42zyqjg77): No such file or directory

/var/www/limesurvey/application/controllers/admin/dataentry.php(147)

135 $aOptions = array();
136 $aOptions['bDeleteFistLine'] = !(bool) Yii::app()->request->getPost('dontdeletefirstline');
137 if (Yii::app()->request->getPost('noid')) {
138 $aOptions['sExistingId'] = 'ignore';
139 } else {
140 $aOptions['sExistingId'] = Yii::app()->request->getPost('insertmethod');
141 }
142 $aOptions['bNotFinalized'] = (bool) Yii::app()->request->getPost('notfinalized');
143 $aOptions['bForceImport'] = (bool) Yii::app()->request->getPost('forceimport');
144 $aOptions['sCharset'] = Yii::app()->request->getPost('vvcharset');
145 $aOptions['sSeparator'] = "\t";
146 $aResult = CSVImportResponses($filePath, $iSurveyId, $aOptions);
147 unlink($filePath); //delete the uploaded file
148 $aData['class'] = "";
149 $aData['title'] = gT("Import a VV response data file");
150 $aData['aResult']['success'][] = gT("File upload succeeded.");
151 if (isset($aResult['success'])) {
152 $aData['aResult']['success'] = array_merge($aData['aResult']['success'], $aResult['success']);
153 }
154 if (isset($aResult['warnings'])) {
155 $aData['class'] = "message-box-warning";
156 }
157 if (isset($aResult['errors'])) {
158 $aData['class'] = "message-box-error";
159 }

Stack Trace
#0
–
/var/www/limesurvey/application/controllers/admin/dataentry.php(147): unlink("/var/www/limesurvey/tmp/ha9x8ktjh5s42zyqjg77")

142 $aOptions['bNotFinalized'] = (bool) Yii::app()->request->getPost('notfinalized');
143 $aOptions['bForceImport'] = (bool) Yii::app()->request->getPost('forceimport');
144 $aOptions['sCharset'] = Yii::app()->request->getPost('vvcharset');
145 $aOptions['sSeparator'] = "\t";
146 $aResult = CSVImportResponses($filePath, $iSurveyId, $aOptions);
147 unlink($filePath); //delete the uploaded file
148 $aData['class'] = "";
149 $aData['title'] = gT("Import a VV response data file");
150 $aData['aResult']['success'][] = gT("File upload succeeded.");
151 if (isset($aResult['success'])) {
152 $aData['aResult']['success'] = array_merge($aData['aResult']['success'], $aResult['success']);

#1
–
/var/www/limesurvey/application/controllers/admin/dataentry.php(96): dataentry->_handleFileUpload("736317", array("display" => array("menu_bars" => array("browse" => "Data entry")), "title_bar" => array("title" => "Data entry"), "sidemenu" => array("state" => false), "menu" => array("edition" => true, "import" => true, "close" => true), ...))

091
092 $subAction = Yii::app()->request->getPost('subaction');
093 if ($subAction != "upload") {
094 $this->_showUploadForm($this->_getEncodingsArray(), $iSurveyId, $aData);
095 } else {
096 $this->_handleFileUpload($iSurveyId, $aData);
097 }
098 } else {
099 Yii::app()->session['flashmessage'] = gT("This survey is not active. You must activate the survey before attempting to import a VVexport file.");
100 $this->getController()->redirect($this->getController()->createUrl("/admin/survey/sa/view/surveyid/{$iSurveyId}"));
101 }

#2
unknown(0): dataentry->vvimport()
#3
+
/var/www/limesurvey/framework/web/actions/CAction.php(115): ReflectionMethod->invokeArgs(dataentry, array())
#4
–
/var/www/limesurvey/application/core/Survey_Common_Action.php(83): CAction->runWithParamsInternal(dataentry, ReflectionMethod, array("surveyid" => "736317", "sa" => "vvimport", "iSurveyId" => "736317", "iSurveyID" => "736317", ...))

78 $oMethod = new ReflectionMethod($this, $sDefault);
79 }
80
81 // We're all good to go, let's execute it
82 // runWithParamsInternal would automatically get the parameters of the method and populate them as required with the params
83 return parent::runWithParamsInternal($this, $oMethod, $params);
84 }
85
86 /*
87 Some functions have different parameters, which are just an alias of the
88 * usual parameters we're getting in the url. This function just populates

#5
+
/var/www/limesurvey/framework/web/CController.php(308): Survey_Common_Action->runWithParams(array("surveyid" => "736317", "sa" => "vvimport", "iSurveyId" => "736317", "iSurveyID" => "736317", ...))
#6
+
/var/www/limesurvey/framework/web/CController.php(286): CController->runAction(dataentry)
#7
+
/var/www/limesurvey/framework/web/CController.php(265): CController->runActionWithFilters(dataentry, array())
#8
+
/var/www/limesurvey/application/controllers/AdminController.php(165): CController->run("dataentry")
#9
+
/var/www/limesurvey/framework/web/CWebApplication.php(282): AdminController->run("dataentry")
#10
+
/var/www/limesurvey/framework/web/CWebApplication.php(141): CWebApplication->runController("admin/dataentry/sa/vvimport")
#11
+
/var/www/limesurvey/framework/base/CApplication.php(185): CWebApplication->processRequest()
#12
+
/var/www/limesurvey/index.php(194): CApplication->run()

doesn't happen in v. 3.28.11 In which files is this fixed ?