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13:38, EEST
January 19, 2017
Offline
Hallo,
I tried to load an xml model to the server address space. The model contains a variable which is an array of custom structure (Resolution2D).
The following xml contains the variable definition:
<UAVariable DataType=”Resolution2D” ParentNodeId=”ns=1;i=5018″ ValueRank=”1″ NodeId=”ns=1;i=6016″ ArrayDimensions=”2″ BrowseName=”2:Value” AccessLevel=”3″>
<DisplayName>Value</DisplayName>
<References>
<Reference ReferenceType=”HasModellingRule”>i=78</Reference>
<Reference ReferenceType=”HasTypeDefinition”>ns=3;i=2002</Reference>
<Reference ReferenceType=”HasComponent” IsForward=”false”>ns=1;i=5018</Reference>
</References>
<Value>
<uax:ListOfExtensionObject>
<uax:ExtensionObject>
<uax:TypeId>
<uax:Identifier>ns=3;i=5003</uax:Identifier>
</uax:TypeId>
<uax:Body>
<Resolution2D xmlns=”http://kuka.com/products/cameras/Types.xsd”>
<Name>
<Text xmlns=”http://opcfoundation.org/UA/2008/02/Types.xsd”>480p</Text>
</Name>
<Width>640</Width>
<Height>480</Height>
<ReolutionUnit>
<NamespaceUri xmlns=”http://opcfoundation.org/UA/2008/02/Types.xsd”></NamespaceUri>
<UnitId xmlns=”http://opcfoundation.org/UA/2008/02/Types.xsd”>0</UnitId>
<DisplayName xmlns=”http://opcfoundation.org/UA/2008/02/Types.xsd”>
<Text>pixel</Text>
</DisplayName>
<Description xmlns=”http://opcfoundation.org/UA/2008/02/Types.xsd”/>
</ReolutionUnit>
</Resolution2D>
</uax:Body>
</uax:ExtensionObject>
<uax:ExtensionObject>
<uax:TypeId>
<uax:Identifier>ns=3;i=5003</uax:Identifier>
</uax:TypeId>
<uax:Body>
<Resolution2D xmlns=”http://kuka.com/products/cameras/Types.xsd”>
<Name>
<Text xmlns=”http://opcfoundation.org/UA/2008/02/Types.xsd”>720p</Text>
</Name>
<Width>1280</Width>
<Height>720</Height>
<ReolutionUnit>
<NamespaceUri xmlns=”http://opcfoundation.org/UA/2008/02/Types.xsd”></NamespaceUri>
<UnitId xmlns=”http://opcfoundation.org/UA/2008/02/Types.xsd”>0</UnitId>
<DisplayName xmlns=”http://opcfoundation.org/UA/2008/02/Types.xsd”/>
<Description xmlns=”http://opcfoundation.org/UA/2008/02/Types.xsd”/>
</ReolutionUnit>
</Resolution2D>
</uax:Body>
</uax:ExtensionObject>
</uax:ListOfExtensionObject>
</Value>
</UAVariable>
The XML Parser is not capable of parsing the xml file and I get the following error:
Error in ModelParser2.endElement: localName=Valueorg.opcfoundation.ua.encoding.DecodingException: Bad_DecodingError (code=0x80070000, description=”Not an end element”) (near line 410)
at com.prosysopc.ua.ModelParserBase.parseFile(Unknown Source)
at com.prosysopc.ua.ModelParserBase.parseFile(Unknown Source)
at com.prosysopc.ua.server.NodeManagerTable.loadModel(Unknown Source)
at com.prosysopc.ua.server.NodeManagerTable.loadModel(Unknown Source)
at com.kuka.basys.CameraAAS.MainClass.main(MainClass.java:25)
Where’s the problem?
Thanks in advance.
Jacob Saoumi
17:44, EEST
January 19, 2017
Offline
Hi,
It seems that the XMLDecoder class has a bug. I replaced it in the classpath with the newest version from the OPCUA github Repository and it works.
Now I have another problem with code generator:
@Override
public void getEncodeable(IDecoder decoder, IEncodeable encodeable)
throws DecodingException {
Resolution2D result = (Resolution2D) encodeable;
super.getEncodeable(decoder, result);
result.setName(decoder.get(“Name”, String.class));
result.setWidth(decoder.get(“Width”, Integer.class));
result.setHeight(decoder.get(“Height”, Integer.class));
result.setResolutionUnit(decoder.get(“ResolutionUnit”, String.class));
}
the generated class calls the method (decoder.get(fieldName, class)) which returns null always.
11:33, EEST
December 21, 2011
Offline
Sounds like you would need beta version of our latest development for SDK 3.0. It contains changes to the code generation, and the stack fixes. Also it is targeting improvements to the code generation.
Sending you mail…
16:10, EEST
April 3, 2012
Offline
Hi,
Actually, this should work with 2.3.2 already https://downloads.prosysopc.com/opcua/release_notes2.3.2-781.html (assuming the model is codegenerated, so that the serializers exists).
– Bjarne
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