March 2008 - Damir Dobric Posts

Exception while obtaining of ContextManager

During implementation of "correlation" (using of context manager etc.) in Workflow Service based on *HttpContextBindig , you may get following error while obtaining the context manager instance: " Cannot obtain fields or call methods on...

Published Sat, Mar 29 2008 3:06 PM by Damir Dobric

Filed under: Workflow, WF

Manipulating Security Trimmers in MOSS

When working with search security trimmers, you will have to use stsadm tool to install the trimmer and to pair it an existing CrawlRule. Following examples show how to enlist existing security trimmers, how to register the new one and how to unregister...

Published Fri, Mar 21 2008 1:50 AM by Damir Dobric

Filed under: MOSS

Bug or feature? Crashing of Application by stressing of AppDomain-s

I implemented very simple application which creates AppDomain-s in an endless loop and instantiates some simple type. Unfortunately after some time application crashes with following exception: "A fatal error has occurred and debugging needs to be...

Published Thu, Mar 20 2008 9:37 AM by Damir Dobric

Innovation Award for DAENET

Two years ago we (DAENET) won in Minneapolis the Worldwide Innovation Award for one very interesting RFID solution called XSYLON. Now, as Andreas already announced just few days ago, DAENET wins the innovation award in Germany for most innovative SOA...

Published Mon, Mar 17 2008 11:07 PM by Damir Dobric

Self Hosting of DSPI Provider

Imagine you have a machine which should host some very simple RFID application, without of need to provide reliability, management and all those powerful staffs delivered with BizTalk Rfid. For example you decided to deploy BizTalk Rfid in the near future...

Published Tue, Mar 11 2008 10:52 PM by Damir Dobric

Filed under: Rfid

Device Configuration Serialization

When one device has been fully configured, all properties (configuration settings) can be exported if the device is enabled (it does not have to be started). This can be done by selecting device|export node in the RFID manager console. After this following...

Published Tue, Mar 11 2008 6:50 PM by Damir Dobric

Filed under: Rfid

Behind Workflow *ContextBinding protocol

WF Services introduce few new bindings which slightly change the communication protocol between client and service. This post contains one full message exchange example of the statemachine-workflow which provide two operations: GetData and OnNewMessage...

Published Fri, Mar 07 2008 10:10 PM by Damir Dobric

Filed under: Workflow, WF

PersistOnClose: Enforce Workflow (WF) persistence

Sometimes you may expect that some parts of the workflow takes long time for execution. This is in workflow context mostly common requirement. Unfortunately longer execution statistically increases the error probability in the workflow itself. To solve...

Published Wed, Mar 05 2008 4:42 PM by Damir Dobric

Filed under: Workflow, WF

Problem with starting of Workflow Service

While trying to implement some test I moved my WorkflowService (the Workflow hosted as Wcf service) from original project to some other one. After that I could have noticed following error: " No contract found in the workflow ". This error occurs...

Published Sat, Mar 01 2008 7:36 PM by Damir Dobric

Filed under: Workflow, WF

March 2008 - Damir Dobric Posts

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Exception while obtaining of ContextManager

Manipulating Security Trimmers in MOSS

Bug or feature? Crashing of Application by stressing of AppDomain-s

Innovation Award for DAENET

Self Hosting of DSPI Provider

Device Configuration Serialization

Behind Workflow *ContextBinding protocol

PersistOnClose: Enforce Workflow (WF) persistence

Problem with starting of Workflow Service