Press 'import data' button, there came "uiimport error"

Question

Yipeng Tang 2020-7-14

0
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/564881-press-import-data-button-there-came-uiimport-error

评论： Walter Roberson 2020-8-21

when I press the "import data" in the UI, there came an error as following:

error using uiimport (line 145)
Java exception occurred:
java.lang.NullPointerException
	at java.util.Collections.addAll(Collections.java:5400)
	at com.mathworks.mlwidgets.workspace.ImportFileChooser.setupExtensionsForDropDown(ImportFileChooser.java:47)

when i input "uiimport" in the command window, there came the warnings and errors as following(my matlab is Chinese version):

 警告: 执行 'multimedia.internal.audio.file.PluginManager' 类析构函数时，捕获到以下错误:
MEX 文件 'D:\matlab2018\toolbox\shared\multimedia\+multimedia\+internal\+audio\+file\private\mexAudioPluginManager.mexw64' 无效: 缺少依赖共享库:
'D:\matlab2018/bin/win64\avfileiopluginmanager.dll->D:\matlab2018\toolbox\shared\multimedia\+multimedia\+internal\+audio\+file\private\mexAudioPluginManager.mexw64' 需要 'tamutil.dll'
'D:\matlab2018\toolbox\shared\multimedia\+multimedia\+internal\+audio\+file\private\mexAudioPluginManager.mexw64' 需要 'tamutil.dll'。
出错 multimedia.internal.audio.file.PluginManager/delete (line 159)
            mexAudioPluginManager('destroyPluginManager');
出错 multimedia.internal.audio.file.PluginManager (line 164)
        function obj = PluginManager
出错 multimedia.internal.audio.file.PluginManager.getInstance (line 248)
                localInstance = multimedia.internal.audio.file.PluginManager();
出错 internal.matlab.importtool.ImportableFileExtension>localAudioExtn (line 118)
        fileExtTmp = multimedia.internal.audio.file.PluginManager.getInstance.ReadableFileTypes;
出错 internal.matlab.importtool.ImportableFileExtension>importToolRecognizableFileDropdownInfo (line 179)
dropdownList = {getString(message('MATLAB:codetools:uiimport:AudioFormatStr')),localAudioExtn(true);...
出错 internal.matlab.importtool.ImportableFileExtension.getImportToolFileChooserDropDownInfo (line 71)
            [fileExtnDesc, fileExtList] = importToolRecognizableFileDropdownInfo;
出错 uiimport (line 144)
    [fileExtDesc, fileExtList] = ImportableFileExtension.getImportToolFileChooserDropDownInfo; 
> In multimedia.internal.audio.file.PluginManager (line 164)
  In multimedia.internal.audio.file.PluginManager.getInstance (line 248)
  In internal.matlab.importtool.ImportableFileExtension>localAudioExtn (line 118)
  In internal.matlab.importtool.ImportableFileExtension>importToolRecognizableFileDropdownInfo (line 179)
  In internal.matlab.importtool.ImportableFileExtension.getImportToolFileChooserDropDownInfo (line 71)
  In uiimport (line 144) 
警告: 转义字符 '\m' 无效。有关支持的特殊字符，请参阅 'doc sprintf'。 
> In internal.matlab.importtool.ImportableFileExtension>localAudioExtn (line 121)
  In internal.matlab.importtool.ImportableFileExtension>importToolRecognizableFileDropdownInfo (line 179)
  In internal.matlab.importtool.ImportableFileExtension.getImportToolFileChooserDropDownInfo (line 71)
  In uiimport (line 144) 
警告: MEX 文件 'D: 
> In internal.matlab.importtool.ImportableFileExtension>localAudioExtn (line 121)
  In internal.matlab.importtool.ImportableFileExtension>importToolRecognizableFileDropdownInfo (line 179)
  In internal.matlab.importtool.ImportableFileExtension.getImportToolFileChooserDropDownInfo (line 71)
  In uiimport (line 144) 
警告: 执行 'matlab.internal.video.PluginManager' 类析构函数时，捕获到以下错误:
MEX 文件 'D:\matlab2018\toolbox\shared\multimedia\+matlab\+internal\+video\private\mexVideoPluginManager.mexw64' 无效: 缺少依赖共享库:
'D:\matlab2018/bin/win64\avfileiopluginmanager.dll->D:\matlab2018\toolbox\shared\multimedia\+matlab\+internal\+video\private\mexVideoPluginManager.mexw64' 需要 'tamutil.dll'
'D:\matlab2018\toolbox\shared\multimedia\+matlab\+internal\+video\private\mexVideoPluginManager.mexw64' 需要 'tamutil.dll'。
出错 matlab.internal.video.PluginManager/delete (line 188)
            mexVideoPluginManager('destroyPluginManager');
出错 matlab.internal.video.PluginManager (line 193)
        function obj = PluginManager
出错 matlab.internal.video.PluginManager.getInstance (line 270)
                localInstance = matlab.internal.video.PluginManager();
出错 VideoReader.getFileFormats (line 222)
            extensions = PluginManager.getInstance().ReadableFileTypes;
出错 internal.matlab.importtool.ImportableFileExtension>localVideoExtn (line 92)
        videoFileFormats = VideoReader.getFileFormats;
出错 internal.matlab.importtool.ImportableFileExtension>importToolRecognizableFileDropdownInfo (line 190)
        getString(message('MATLAB:codetools:uiimport:VideoFormatStr')),localVideoExtn(true);...
出错 internal.matlab.importtool.ImportableFileExtension.getImportToolFileChooserDropDownInfo (line 71)
            [fileExtnDesc, fileExtList] = importToolRecognizableFileDropdownInfo;
出错 uiimport (line 144)
    [fileExtDesc, fileExtList] = ImportableFileExtension.getImportToolFileChooserDropDownInfo; 
> In matlab.internal.video.PluginManager (line 193)
  In matlab.internal.video.PluginManager.getInstance (line 270)
  In VideoReader.getFileFormats (line 222)
  In internal.matlab.importtool.ImportableFileExtension>localVideoExtn (line 92)
  In internal.matlab.importtool.ImportableFileExtension>importToolRecognizableFileDropdownInfo (line 190)
  In internal.matlab.importtool.ImportableFileExtension.getImportToolFileChooserDropDownInfo (line 71)
  In uiimport (line 144) 
警告: 转义字符 '\m' 无效。有关支持的特殊字符，请参阅 'doc sprintf'。 
> In internal.matlab.importtool.ImportableFileExtension>localVideoExtn (line 96)
  In internal.matlab.importtool.ImportableFileExtension>importToolRecognizableFileDropdownInfo (line 190)
  In internal.matlab.importtool.ImportableFileExtension.getImportToolFileChooserDropDownInfo (line 71)
  In uiimport (line 144) 
警告: MEX 文件 'D: 
> In internal.matlab.importtool.ImportableFileExtension>localVideoExtn (line 96)
  In internal.matlab.importtool.ImportableFileExtension>importToolRecognizableFileDropdownInfo (line 190)
  In internal.matlab.importtool.ImportableFileExtension.getImportToolFileChooserDropDownInfo (line 71)
  In uiimport (line 144) 