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https://issues.apache.org/jira/browse/CB-14181?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16527542#comment-16527542
]
ASF GitHub Bot commented on CB-14181:
-------------------------------------
jony89 commented on issue #235: CB-14181: (android) Fix bug - Cannot read
property 'filesystemName' of null
URL:
https://github.com/apache/cordova-plugin-file/pull/235#issuecomment-401337457
@jcesarmobile it has been reproduced to me constantly on android emulator
nexus 5
device - nexus 5
android 7.1.1 nougat (yet will be reproduced on oreo as well I'm sure)
cordova 7.1.0
with the following code from the blog - documentation (caused on the line
`fs.root.getFile`
```js
window.requestFileSystem(window.LocalFileSystem.TEMPORARY, 0, (fs)
=> {
console.log('file system open: ' + fs.name);
fs.root.getFile(
`${window.cordova.file.applicationStorageDirectory}${this.fileName}`, { create:
true, exclusive: false }, (fileEntry) => {
console.log('fileEntry is file? ' +
fileEntry.isFile.toString());
var oReq = new XMLHttpRequest();
// Make sure you add the domain name to the
Content-Security-Policy <meta> element.
oReq.open('GET', cvURL, true);
// Define how you want the XHR data to come back
oReq.responseType = 'blob';
oReq.onload = (oEvent) => {
var blob = oReq.response; // Note: not
oReq.responseText
if (blob) {
// Create a URL based on the blob, and set an <img>
tag's src to it.
var url = window.URL.createObjectURL(blob);
document.getElementById('bot-img').src = url;
// Or read the data with a FileReader
var reader = new FileReader();
reader.addEventListener('loadend', () => {
// reader.result contains the contents of blob
as text
});
reader.readAsText(blob);
} else console.error('we didnt get an XHR
response!');
};
oReq.send(null);
}, function (err) { console.error('error getting file! ' +
err); });
}, function (err) { console.error('error getting persistent fs! ' +
err); });
```
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> Cannot read property 'filesystemName' of null
> ---------------------------------------------
>
> Key: CB-14181
> URL: https://issues.apache.org/jira/browse/CB-14181
> Project: Apache Cordova
> Issue Type: Bug
> Components: cordova-plugin-file
> Affects Versions: [email protected]
> Environment: cordova 7.1.0
> Reporter: ari
> Priority: Major
> Labels: easyfix
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> Error in Success callbackId: File1539060614 : TypeError: Cannot read property
> 'filesystemName' of null
> cordova.js:314 Uncaught TypeError: Cannot read property 'filesystemName' of
> null
> The `fsRoot` might be null. reproduced with latest cordova on android
> emulator.
>
> This is the problematic line :
> [https://github.com/apache/cordova-plugin-file/blob/master/www/fileSystems-roots.js#L33]
> PR : https://github.com/apache/cordova-plugin-file/pull/235
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