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Confluence: All attachments are available but they are corrupted:

ODED Transformational Technologies

Dear Team,

I have self-hosted Confluence which was crashed, so I have restored it on a new server which all the backup files. After the restoration, I could see all the space and other info but when I try to open an attachment it downloads but prompts that it's corrupted.

The version :
Atlassian Confluence 6.4.2

Please advise

Accepted answers

All comments

Shannon S

Hello,

Could you let us know the following?

What is the full error message you're seeing, and can you please send a screenshot of it?
What browser(s) are you able to replicate this on, and what version are you using?
Which files did you migrate to the new server? Did you include the home directory?
Could you review how to resolve missing attachments in Confluence and see if that helps you to get your attachments back?

Regards,

Shannon

ODED Transformational Technologies

Dear @Shannon S

Thank you for the reply,

1. I have attached the screenshot.

2. Atlassian Confluence 6.4.2

3. I restored the entire backup of the confluence and while restoring I have included attachment folders as well

4. I could see all the attachments(not missing), but they are not opening,

Please let me know if you need more info

Thanks in advance.

Shannon S

Are these only Office documents? What happens if you try to open an attachment that is an image or a PDF?

Which browsers are you able to replicate this with? Does the problem occur on multiple computers for other users?

Regards,

Shannon

ODED Transformational Technologies

Dear Shannon,

Thank you for the reply

This particular issue occurs with multiple users and on multiple computers and different browsers

Please let me know if you need more information.!!

Many Thanks

Shannon S

Hi there,

I'm still interested to know the answers to my previous questions from before:

Which browsers and versions are you replicating this in. You can provide the names of the applications, such as Chrome, Firefox, IE, etc. and the current version you are using. I understand that it happens in different browsers but I want to understand which ones so I can properly test.
Let me know if it occurs for ALL attachments (that's including PDF, etc.) or does this only occur for Office documents (such as Excel, Word, Powerpoint, etc.)
When you refer to multiple users is that all users, or only certain users?
When you refer to multiple computers does that include Windows PCs, MacOS, Linux?

Thank you!

Shannon

ODED Transformational Technologies

Hello Shannon,

Please find my responses below

1. We use Firefox 63.0.3, Chrome 17.0.3578.80, Safari 12.0.2.
2. Yes all the attachments when opened shows as corrupted. ( PDF, Excel, Word, Powerpoint)

3. All users have the same problem.
4. Across all platforms.

Shannon S

Thank you for confirming.

I'm assuming the PDF file gets a different error since you're not using Microsoft Word to open it? Is it possible for you to share that error with me? Unfortunately the information you provided isn't really giving me enough to work with.

It does appear that you have not done the migration exactly as we recommend, so my suggestion is to perform the migration again, following our recommendation exactly.

First, please create a new Confluence installation with a clean database. Can you confirm with me the version of the old and the new database?

Following that, go through this article step-by-step to perform the migration:

Migrating Confluence Between Servers

To transfer Confluence to another server you will copy the home and install folders straight into an identical external database and user management setup. If your new server is using a different operating system there may be some additional changes at step 4.

Run the Confluence installer on your new server

Shut down Confluence on both your old and new servers

If you're using Oracle or MySQL, copy the drivers from your old server to the new one

Delete the contents of the home directory on your new Confluence server, then copy in the contents of the home directory from your old Confluence server.

Make any additional changes required for your environment.

If you're changing the location of the home directory...

If you're moving your database...

If your new server has a different operating system...

Copy the <confluence-install>/conf/server.xml file from your old server to the same location on your new server

If you use a data source, ensure the data source points to the new database. See Configuring a datasource connection.

Start Confluence, then head to General configuration > License Details to add your license key

We strongly recommend you perform a rebuild of your content indices after performing a migration, to ensure Confluence search works as expected.

If you run into any issues, please let me know!

Regards,

Shannon

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