Getobject Error Handling
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hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges vbscript on error resume next Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. error handling in vbscript tutorial Join them; it only takes a minute: Sign up How to Catch WMI Errors up vote 1 down vote favorite I want to use wmi to stop a service if it is running. Below is the code in
Vbscript Error Handling Line Number
vbscript. The problem is, GetObject, startService, and ExecuteQuery commands may get errors because of various reasons. For example, after issuing "stopService" command, the state of the service may become "stopping", instead of "stopped", and the script is hanging there for quite some time. Sometimes, error messages such as "RPC is not available" was returned. Seems there is no catch exception machanism built into vbscript. Most of the examples I saw online never considered such situation. Does anybody know
Vbscript Error Handling Best Practices
there is a good way to catch such kind of errors, and force these command (note: not service itself) to abort? Set objWMIService = GetObject("winmgmts:" _ & "{impersonationLevel=impersonate}!\\" & strComputer & "\root\cimv2") Set colServiceList = objWMIService.ExecQuery ("Select * from Win32_Service where Name = '" & strService & "'") For Each objService in colServiceList If objService.State = "Running" Then strObjService.StopService Wscript.Sleep 2000 myColServiceList = myObjWMIService.ExecQuery _ ("Select * from Win32_Service where Name = '" & strService & "'") For each myObjService In myColServiceList objState = myObjService.State End If End If [/code] exception-handling vbscript wmi share|improve this question edited Mar 24 '11 at 1:21 RRUZ 114k11253398 asked Mar 24 '11 at 1:11 ericyoung 360719 add a comment| 1 Answer 1 active oldest votes up vote 3 down vote accepted You must read this article from Microsoft To Err Is VBScript in this link you will find everything which you must know about handle errors using the the WMI and VbScript. share|improve this answer answered Mar 24 '11 at 1:17 RRUZ 114k11253398 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign up using Facebook Sign up using Email and Password Post as a guest Name Email Post as a guest Name Email discard By posting your answer, you agree to the privacy policy and terms of service. Not the answer you're looking for? Brow
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resources Windows Server 2012 resources Programs MSDN subscriptions Overview Benefits Administrators Students Microsoft Imagine Microsoft Student Partners ISV Startups TechRewards Events Community Magazine https://msdn.microsoft.com/en-us/library/e9waz863(v=vs.90).aspx Forums Blogs Channel 9 Documentation APIs and reference Dev centers Retired content Samples We’re sorry. The content you requested has been removed. You’ll be auto redirected in http://docs.aws.amazon.com/AWSJavaScriptSDK/guide/node-making-requests.html 1 second. Visual Basic Reference Functions D-G Functions D-G Functions GetObject Function GetObject Function GetObject Function DateAdd Function DateDiff Function DatePart Function DateSerial Function DateValue Function Day error handling Function DDB Function DeleteSetting Function Dir Function Environ Function EOF Function ErrorToString Function FileAttr Function FileClose Function FileCopy Function FileDateTime Function FileGet Function FileGetObject Function FileLen Function FileOpen Function FilePut Function FilePutObject Function FileWidth Function Filter Function Int, Fix Functions Format Function FormatCurrency Function FormatDateTime Function FormatNumber Function FormatPercent Function FreeFile Function FV Function vbscript on error GetAllSettings Function GetAttr Function GetChar Function GetException Function GetObject Function GetSetting Function TOC Collapse the table of content Expand the table of content This documentation is archived and is not being maintained. This documentation is archived and is not being maintained. This documentation is archived and is not being maintained. GetObject Function (Visual Basic) Visual Studio 2008 Other Versions Visual Studio 2005 Visual Studio .NET 2003 Returns a reference to an object provided by a COM component. Copy Public Function GetObject( _ Optional ByVal PathName As String = Nothing, _ Optional ByVal [Class] As String = Nothing _ ) As Object ParametersParameterDescriptionPathNameOptional. String. The full path and name of the file containing the object to retrieve. If PathName is omitted or is a zero-length string (""), Class is required.ClassRequired if PathName is not supplied. String. A string representing the class of the object. The Class argument has the following syntax and parts:appname.objecttypeParameterDescriptionappnameRequired. String. The name of the application providing the object.objectt
transparently attempted on your behalf. A request is encapsulated in the SDK by the AWS.Request object. The semantics of a request are described below, specifically, the support for callbacks, events, and streaming of raw HTTP response data. Asynchronous Callbacks All requests made through the SDK are asynchronous and use a callback interface. Each service method that kicks off a request can accept a callback as the last parameter with the signature function(error, data) { ... }. This callback will be called when the response or error data is available. For example, the following service method can be called with a standard callback to retrieve the response data or error: new AWS.EC2().describeInstances(function(error, data) { if (error) { console.log(error); // an error occurred } else { console.log(data); // request succeeded } }); The error and data parameters are described in the "Response Object" section below. Note that if you do not specify a callback, the operation will return an AWS.Request object that must be manually sent using the send() method: // create the AWS.Request object var request = new AWS.EC2().describeInstances(); // register a callback to report on the data request.on('success', function(resp) { console.log(resp.data); // log the successful data response }); // send the request request.send(); The Response Object (AWS.Response) The response object is passed into each callback function so that you can access response data. The AWS.Response object that is passed in contains two important properties to get at this data: When using the standard callback mechanism, the two properties will be made available as parameters on the callback method in the form: function(error, data) { ... } The data property The response.data property contains the serialized object data retrieved from the service request. For instance, for an Amazon DynamoDB listTables method call, the response data might look like this: > response.data { TableNames: [ 'table1', 'table2', ... ] } The data property can be null if an error occurs (see below). The error property In the event of a service error (or transfer error), the response.error property will be filled with the given error data in the form: { code: 'SHORT_UNIQUE_ERROR_CODE', message: 'Some human readable error message' } In the case of an error, the data property will be null. Note that if you handle events that can be in a