Unable to take confluence backup

[Priyanka Karguppikar]

Whenever I am trying to create a backup for confluence, I am not able to create the same. Below error is thrown.
Could you please help me resolve the same?

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Cause
java.io.IOException: No such file or directory
    at java.io.UnixFileSystem.createFileExclusively(Native Method)
Stack Trace:[hide]
java.io.IOException: No such file or directory
at java.io.UnixFileSystem.createFileExclusively(Native Method)
at java.io.File.createNewFile(File.java:1012)
at com.atlassian.core.util.FileUtils.copyFile(FileUtils.java:461)
at com.atlassian.core.util.FileUtils.copyFile(FileUtils.java:397)
at com.atlassian.confluence.importexport.actions.BackupAction.execute(BackupAction.java:69)
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:168)
at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:35)
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)
at com.atlassian.confluence.core.ConfluenceWorkflowInterceptor.intercept(ConfluenceWorkflowInterceptor.java:33)
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)
at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:35)

[Alexis Robert]

Hi @Priyanka Karguppikar , 

the error seems to indicate an issue with your HOME_DIRECTORY : 

java.io.IOException: No such file or directory

Can you check in your home directory if the folder "export" exists and if the permissions are correctly set ? 

Let me know if this helps,

--Alexis