Client Web Service stops responding
Problem
We have seen that in some rare cases, Client Web Service stops responding. The symptoms are that drop downs with dynamic bind stops responding and you probably see the following error message in the Event Viewer
Log Name: ZervicePoint Source: Client web service Date: 11.3.2016 10:56:36 Event ID: 0 Task Category: None Level: Error Keywords: Classic User: N/A Computer: ictmyorders1.lik.enfonet.fi Description: Timestamp: 10:56:36.387 Message: There was an error trying to execute: System.NullReferenceException: Object reference not set to an instance of an object. at System.Management.Automation.PSSnapInReader.ReadEnginePSSnapIns() at System.Management.Automation.Runspaces.MshConsoleInfo.CreateDefaultConfiguration() at System.Management.Automation.Runspaces.RunspaceConfigForSingleShell.CreateDefaultConfiguration() at System.Management.Automation.Runspaces.RunspaceFactory.CreateRunspace() at Zipper.ZervicePoint.ProvisioningSystem.PowerShellProvider.PowerShellModule.InitializePowerShell() at Zipper.ZervicePoint.ProvisioningSystem.PowerShellProvider.PowerShellModule..ctor(Int32 orderId, DirectoryInfo rootDirectory, String moduleName) at Zipper.ZervicePoint.ProvisioningSystem.PowerShellProvider.PowerShellEngine.Execute(Int32 orderId, String instance, String method, IProviderInvocationInfo invocationInfo, IDictionary`2 parameters) at Zipper.ZervicePoint.ProvisioningSystem.ClientWebService.ProviderInvoker.Invoke(String providerPackage, String providerModule, String providerMethod) at Zipper.ZervicePoint.ProvisioningSystem.ClientWebService.Services.ProviderService.CallProvider(String serviceName, String arguments, String data, String rawToken, String callback) Category: Provisioning.Provider Priority: -1 EventId: 0 Severity: Error Title: Machine: ICTMYORDERS1 Application Domain: /LM/W3SVC/2/ROOT-1-131021593165948432 Process Id: 3052 Process Name: c:\windows\system32\inetsrv\w3wp.exe Win32 Thread Id: 1916 Thread Name: Extended Properties:
Solution
- Perform an IISreset
- Verify that drop downs with dynamics bind are working again