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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CB-8689) Unhandled NullPointerException thrown resolving a file entry
Date Tue, 17 Mar 2015 13:57:38 GMT

    [ https://issues.apache.org/jira/browse/CB-8689?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14365139#comment-14365139
] 

ASF subversion and git services commented on CB-8689:
-----------------------------------------------------

Commit 5b1afc28123e8fbe2b09a278ca748914c22b3ca1 in cordova-plugin-file's branch refs/heads/master
from [~agrieve]
[ https://git-wip-us.apache.org/repos/asf?p=cordova-plugin-file.git;h=5b1afc2 ]

CB-8689 Fix NPE in makeEntryForNativeUri (was affecting file-transfer)

Regression was introduced in a recent commit and was never released.


> Unhandled NullPointerException thrown resolving a file entry
> ------------------------------------------------------------
>
>                 Key: CB-8689
>                 URL: https://issues.apache.org/jira/browse/CB-8689
>             Project: Apache Cordova
>          Issue Type: Bug
>          Components: Plugin File
>    Affects Versions: 3.3.0, 3.5.0
>            Reporter: Jacob G
>
> This is the log of the exception:
> {noformat}
> 03-16 20:38:33.961  31560-31859/com.f.tc E/FileTransfer﹕ {"code":3,"source":"https:\/\/localdev.f.com\/static\/tc\/resources\/css\/app.css","target":"file:\/\/\/data\/data\/com.f.tc\/files\/wwwTmp\/resources\/css\/app.css","http_status":200,"exception":"Attempt
to read from field 'java.lang.String org.apache.cordova.file.LocalFilesystemURL.path' on a
null object reference"}
>     java.lang.NullPointerException: Attempt to read from field 'java.lang.String org.apache.cordova.file.LocalFilesystemURL.path'
on a null object reference
>             at org.apache.cordova.file.Filesystem.makeEntryForURL(Filesystem.java:56)
>             at org.apache.cordova.file.Filesystem.makeEntryForNativeUri(Filesystem.java:91)
>             at org.apache.cordova.file.Filesystem.makeEntryForFile(Filesystem.java:99)
>             at org.apache.cordova.file.FileUtils.getEntryForFile(FileUtils.java:895)
>             at org.apache.cordova.filetransfer.FileTransfer$4.run(FileTransfer.java:902)
>             at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)
>             at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)
>             at java.lang.Thread.run(Thread.java:818)
> {noformat}
> The fix is that in FileSystem.java, the following method:
> {code}
>     public JSONObject makeEntryForNativeUri(Uri nativeUri) {
>         LocalFilesystemURL inputUrl = toLocalUri(nativeUri);
>         return makeEntryForURL(inputUrl, nativeUri);
>     }
> {code}
> should be changed to:
> {code}
>     public JSONObject makeEntryForNativeUri(Uri nativeUri) {
>         LocalFilesystemURL inputUrl = toLocalUri(nativeUri);
>         return inputUrl != null ? makeEntryForURL(inputUrl, nativeUri) : null;
>     }
> {code}
> With that change, I can successfully download the file using FileTransfer, which depends
on the File plugin.



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