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Problem Note 65359: Server launch might fail with "The Balance algorithm timed out before a server could be found" in SAS® Workload Orchestrator

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When an application server is configured for load balancing using the grid algorithm and the SAS Workload Orchestrator grid provider, the launch of the server might fail. In this scenario, the object spawner log contains the following error:

The Balance algorithm timed out before a server could be found.

To confirm that you are encountering this failure, set the object spawner's App.tk.tkegrid logger to the debug level and check for the following message:

getHostList: req resources=SASApp

This issue is caused by the object spawner submitting the application server context name as a required tag.

There are two possible workarounds:

  • Set the application server to launch via grid.
  • Add a tag that specifies your application server context name to your execution hosts in SAS Workload Orchestrator. For more information, see the Defining a New Host Type section in Grid Computing in SAS® 9.4, Fifth Edition.

Click the Hot Fix tab in this note to access the hot fix for this issue.



Operating System and Release Information

Product FamilyProductSystemSAS Release
ReportedFixed*
SAS SystemSAS Workload OrchestratorMicrosoft® Windows® for x649.4 TS1M6
Microsoft Windows 8 Enterprise 32-bit9.4 TS1M6
Microsoft Windows 8 Enterprise x649.4 TS1M6
Microsoft Windows 8 Pro 32-bit9.4 TS1M6
Microsoft Windows 8 Pro x649.4 TS1M6
Microsoft Windows 8.1 Enterprise 32-bit9.4 TS1M6
Microsoft Windows 8.1 Enterprise x649.4 TS1M6
Microsoft Windows 8.1 Pro 32-bit9.4 TS1M6
Microsoft Windows 8.1 Pro x649.4 TS1M6
Microsoft Windows 109.4 TS1M6
Microsoft Windows Server 2012 Datacenter9.4 TS1M6
Microsoft Windows Server 2012 R2 Datacenter9.4 TS1M6
Microsoft Windows Server 2012 R2 Std9.4 TS1M6
Microsoft Windows Server 2012 Std9.4 TS1M6
Microsoft Windows Server 20169.4 TS1M6
Microsoft Windows Server 20199.4 TS1M6
Windows 7 Enterprise 32 bit9.4 TS1M6
Windows 7 Enterprise x649.4 TS1M6
Windows 7 Home Premium 32 bit9.4 TS1M6
Windows 7 Home Premium x649.4 TS1M6
Windows 7 Professional 32 bit9.4 TS1M6
Windows 7 Professional x649.4 TS1M6
Windows 7 Ultimate 32 bit9.4 TS1M6
Windows 7 Ultimate x649.4 TS1M6
64-bit Enabled AIX9.4 TS1M6
64-bit Enabled Solaris9.4 TS1M6
HP-UX IPF9.4 TS1M6
Linux for x649.4 TS1M6
Solaris for x649.4 TS1M6
* For software releases that are not yet generally available, the Fixed Release is the software release in which the problem is planned to be fixed.