The NetBackup Java console is unable to preview media needed for a restore from an NDMP backup.


When the preview button is used for NDMP backups using the Java GUI,  it fails with a popup dialog box displaying an error.

Error Message

Null for the fileData arg. The exception was thrown from (SR-2)writeFile (vrts.common.server.ServerRequest).


The issue seems to occur if previewing a range of backup images.  As a workaround you could try selecting one or maybe only a couple backups to search on in the GUI.


The formal resolution for this issue (Etrack 2952419) is included in the following release:

  • NetBackup 7.5 Maintenance Release 5 (

NetBackup is now available - please access the Related Article linked below for download and README information.

Applies To

This issue has been reported on NetBackup 7.x Java consoles.  This issue occurs with NDMP backups.

Terms of use for this information are found in Legal Notices.



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