ClassCastException when using BoxFolder.uploadLargeFile()

[AkihiroAsami]

Description of the Issue

When executing chunk upload by using BoxFolder.upload LargeFile(),
ClassCastException is raised often like the error stack as the following.
This “often” means that sometimes the process completes successfully, sometimes I get this error.

Cause of the bug

Please see this file.

Error Message, Including Stack Trace

Exception in thread "main" com.box.sdk.BoxAPIException: Unable to commit the upload session
at com.box.sdk.LargeFileUpload.uploadHelper(LargeFileUpload.java:204)
at com.box.sdk.LargeFileUpload.upload(LargeFileUpload.java:119)
at com.box.sdk.BoxFolder.uploadLargeFile(BoxFolder.java:1189)
at boxapp.UploadLargeTest2.main(UploadLargeTest2.java:28)
Caused by: java.lang.ClassCastException: class com.box.sdk.BoxAPIResponse cannot be cast to class com.box.sdk.BoxJSONResponse (com.box.sdk.BoxAPIResponse and com.box.sdk.BoxJSONResponse are in unnamed module of loader 'app')
at com.box.sdk.BoxJSONRequest.send(BoxJSONRequest.java:106)
at com.box.sdk.BoxJSONRequest.send(BoxJSONRequest.java:17)
at com.box.sdk.BoxAPIRequest.send(BoxAPIRequest.java:347)
at com.box.sdk.BoxJSONRequest.send(BoxJSONRequest.java:101)
at com.box.sdk.BoxFileUploadSession.commit(BoxFileUploadSession.java:192)
at com.box.sdk.LargeFileUpload.uploadHelper(LargeFileUpload.java:201)
... 3 more

Versions Used

Java SDK:4.1.1

[mhagmajer]

Hello @AkihiroAsami! Thanks for posting the issue, providing a really good description and also a fix suggestion. I created a PR and once it's reviewed, we'll include it in the next release.

[AkihiroAsami]

Hi @mhagmajer , I really appreciate your quick reply. And I'm glad to hear that this fix will be included in the next release ! Thank you.