Could you explain "couldn't attach file with GDrive" a bit more?
Is it a file that lives in GDrive (is that actually Google Drive?), or you have a plugin that links to GDrive or are you trying to use it as the backend for attachments? Or something else?
I'm afraid you'll now need to read the log files to find out why Jira is not getting any data from Drive. Start with the application log - <jira home>/log/atlassian-jira.log is the first one to read. Try "tail -f atlassian-jira.log" in one terminal and trying the attachments in a browser - the errors should appear in the log as you click.
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