Issue when programmin​g a Diolan DLN-2
Greetings Ni community,
I am trying to program a Diolan DLN-2 that works with a magnetometer, simliar to what I've done with a USB-8451. However, I receive an error coe of 1172 - "Error calling method Dln.I2cMaster.Port.Write, (System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation.
Inner Exception: Dln.Exceptions.DlnError: DLN adapter returns error: InvalidAddress.) <append><b>Dln.Exceptions.DlnError</b> in i2c-master-configure.vi"
Attached is the zip file. It contains the DLL, the file I am trying to code with the Diolan (i2c-master-configure.vi), the data sheet for the magnetometer I am working with, and the other VI that I wrote to work with the magnetometer via the NI USB-8451 (Working Magnetometer.vi).
Apologies if my code is not right on the Diolan - again I'm trying to program it similar to the one I have working for the 8451,
I am by no means an expert at LabVIEW, but I am getting better day by day.
My code is in 2012. Let me know if you need a previous version.
Thanks!
TheLT
Attachments:
Diolan Zipped.zip 371 KB
Hi there, check this article. It explains that error 1172 is basically a warning coming from the .NET operation performed. I would suggest to check the manual of the device in case you are not invoking references appropriately. There are some VIs missing so I can't see all the code but I assume that somewhere on the "i2c-master-configure.vi" there is a Constructor Node. Since you are new to LabVIEW I would recommend to look at the examples on the DLN-2 manual and then try to reproduce them in LabVIEW. If you get a little lost, open the examples that uses the Constructor node in order to make yourself more familiar with it. I hope this helps.
Alejandro | Academic Program Engineer | National Instruments
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Ramana -
JMS issues when migration from weblogic 9.2 to 10.3.5
We are facing some issues when migration from weblogic 9.2 to 10.3.5
In weblogic 9.2 :_
BMP Entity EJBs used in our project are read-only in nature using entity cache, below is the configuration details
<!DOCTYPE weblogic-ejb-jar PUBLIC "-//BEA Systems, Inc.//DTD WebLogic 6.0.0 EJB//EN" "http://www.bea.com/servers/wls600/dtd/weblogic-ejb-jar.dtd">
<weblogic-ejb-jar>
<weblogic-enterprise-bean>
<ejb-name>
Company
</ejb-name>
<entity-descriptor>
<pool>
<max-beans-in-free-pool>300</max-beans-in-free-pool>
<initial-beans-in-free-pool>150</initial-beans-in-free-pool>
</pool>
<entity-cache>
<max-beans-in-cache>3500</max-beans-in-cache>
<idle-timeout-seconds>100000</idle-timeout-seconds>
<read-timeout-seconds>0</read-timeout-seconds>
<concurrency-strategy>ReadOnly</concurrency-strategy>
</entity-cache>
Entity beans will get refreshed using the JMS messges. with in the MDB descriptor files(weblogic-ejb-jar.xml) we are using the provider URL directly and XA enabled connection factory is set to false.
migration to Weblogic 10.3.5_
With the same configurations MDB are not not getting deployed in weblogic 10 with some exception, so we removed the provider URL from weblogic-ejb-jar.xml and changed the JMS configuration to use foreign JMS and XA enable connection factory is set to true. Now when ever the JMS message is triggered Entity bean is not getting refreshed with the updated values. i.e values are stale.
Can some one look into this and provide your inputs to resolve this issue.I think the Entity bean refresh problem appears to be unrelated to MDBs. The MDB is only responsible for getting the message to your application (which in turn interacts with Entity beans). You might want to try posting your question to an EJB newsgroup.
Tom
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