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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CB-10960) Uncaught #<FileError> in write() when readyState != WRITING ?
Date Thu, 07 Apr 2016 10:15:25 GMT

    [ https://issues.apache.org/jira/browse/CB-10960?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15230044#comment-15230044
] 

ASF GitHub Bot commented on CB-10960:
-------------------------------------

GitHub user daserge opened a pull request:

    https://github.com/apache/cordova-plugin-file/pull/177

    CB-10960 Uncaught #<FileError> in write() when readyState != WRITING ?

    [Jira issue](https://issues.apache.org/jira/browse/CB-10960)

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/MSOpenTech/cordova-plugin-file CB-10960

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/cordova-plugin-file/pull/177.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #177
    
----
commit 420bf552d42ec5d958881dea6d5dc64805a06282
Author: daserge <v-seshak@microsoft.com>
Date:   2016-04-07T09:06:14Z

    CB-10960 Uncaught #<FileError> in write() when readyState != WRITING ?

----


> Uncaught #<FileError> in write() when readyState != WRITING ?
> -------------------------------------------------------------
>
>                 Key: CB-10960
>                 URL: https://issues.apache.org/jira/browse/CB-10960
>             Project: Apache Cordova
>          Issue Type: Bug
>          Components: Plugin File
>    Affects Versions: 4.1.1
>         Environment: Android
>            Reporter: Samo Dadela
>              Labels: android
>         Attachments: code.js
>
>
> Excuse me if I did something stupid - I'm new to Cordova and JS.
> I thought that calling write() after checking readyState != WRITING would work. 
> {code}
> function writeQueue(c) {
>         while ( !(logWriter.readyState === FileWriter.WRITING) ) {
>             var msg = logQueue.dequeue();
>             if (!msg) {
>                 return;
>             }
>             var blob = new Blob([msg+c], { type: 'text/plain' });
>             logWriter.write(blob);
>         }
>     }
> }
> {code}
> But I get:
> 0     277161   log      log writer: cdvfile://localhost/files/bala.log
> 1     277199   log      log writer: onwriteend
> 2     283616   log      log writer: onwriteend
> 3     283629   log      log writer: onwriteend
> 4     283651   error    Uncaught #<FileError>, http://192.168.1.200:8100/plugins/cordova-plugin-file/www/FileWriter.js,
Line: 130
> Line 130 is:
> {code}
>     // Throw an exception if we are already writing a file
>     if (this.readyState === FileWriter.WRITING) {
>         throw new FileError(FileError.INVALID_STATE_ERR);
>     }
> {code}
> How can readyState change to WRITING ? 
> Note: Queue is pure Javascript (http://code.stephenmorley.org/javascript/queues/Queue.src.js)



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