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This document describes version 6 of Unblu. If you’re using the latest major version of Unblu, go to the documentation of the latest version.

The support period for version 6 ended on 29 August 2023. We no longer provide support or updates for this version. You should upgrade to the latest version of Unblu.

Server diagnostics package


In order for Unblu to provide swift assistance, our server is capable of providing a diagnostics package as a zip download.

This zip gathers valuable information from various internal sources that help Unblu to quickly diagnose a wide variety of issues without having to request a multitude of single files or configuration settings from your system administrators.

Unblu support may request that your system administrator acquire the diagnostics package for them.

Access and Download

The diagnostics package is available for download at {UNBLU_SERVER_URL}/sys-unblu/diagnosticsDownload. By navigating to this URL a file save prompt should be triggered which prompts you to save a zip file (, which then needs be forwarded to Unblu.

Access to the server’s /sys-unblu/ path is restricted to users with elevated privileges.

Contents of the package

The contains the following information:

  • JavaSystemProperties.txt: A text file containing all Java configuration properties. For instance, entries such as 'java.vm.vendor': Oracle Corporation.

  • LocalizedTexts.txt: Contains a listing of all available texts and translations available on the Unblu Server.

  • SystemInformation.txt: Contains information about the system state, such as available memory, to the Java Virtual Machine, as well as Unblu-specific system information such as installed products, their versions, etc.

  • logs/ : The logs directory contains different log files created from various Unblu products at runtime.

In order to keep the file size of the diagnostics package manageable, not all log information may be included. The collaboration server, by default, includes the newest log files up to a combined, compressed file size of 5 MB per log file type (such as regular logs, fatal logs and session logs).