Troubleshooting errors while upgrading Syncrify

Your copy of Syncrify server downloads several files from our web server during the upgrade process. Once the files are downloaded, the MD5 signatures are matched to ensure data integrity. If the MD5 signatures don't match, the upgrade won't occur and you will see errors in the Syncrify.log file.

Most of the time errors occur due to network problems, which are usually solved by simply retrying. However, before retrying we recommend you clean up the patches folder on the disk. Following steps demonstrate how to clean up:

  • Locate the patches folder on the disk. The path is usually set to C:\Syncrify\patches on Windows and /opt/Syncrify/pathces on Linux.
  • Delete every file but AppLancher.jar. It is very important you leave AppLauncher.jar in this folder. Failure to do so will break the upgrading process for good.
  • If you cannot delete a file because it is in use, try restarting Syncrify server.
  • Once the patches folder is clean, try upgrading Syncrify again.

Repeated errors

If you run into this problem repeatedly, consider the following reasons:

  • Network traffic to the Internet is either blocked or not available. During upgrade, you copy of Syncrify contacts our web server on port 80. Ensure out-bound traffic on port 80 is enabled.
  • Your firewall blocks .JAR files. Often .jar files are associated with applets and some firewalls may block them. Configure your firewall not to block .jar files.

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