Could you please try Drools 5.1? This should have been fixed.
Cheers,
Jervis
On 2010/8/9 19:13, crafferty wrote:
>
> Drools, version, 5.0.1 running on Java 1.6.0_12
>
> Our application creates rules in DRL files, the rules contain non-Latin
> characters, here is an example rule:
>
> //****************************************************************************
> //
> // TRIGGER_ RULE: Detect Dual Receiver Failure
> //
> //****************************************************************************
>
> rule TRIGGER_Detect_Dual_Receiver_Failure_43296731577724
> no-loop true
> salience 0
>
> when
>
> // When a Child Group exists with:
>
> child0:ChildGroup(
> // base class is "com.sidonis.vp.dtvexample.BroadcastEquipment"
>
> baseClass ==
> "com.sidonis.vp.dtvexample.BroadcastEquipment",
>
>
> // parent base class is "com.sidonis.vp.dtvexample.BroadcastEquipment"
>
> parentBaseClass ==
> "com.sidonis.vp.dtvexample.BroadcastEquipment",
>
>
> // parent sub class starts with "DualReceiver"
>
> child0_parentSubClass:parentSubClass ->
> (child0_parentSubClass.startsWith( "DualReceiver" )),
>
>
> // failed count is 2
>
> failed == 2
> )
> then
> StatisticsSystemRuleFunctions.incrementTrigRuleCount();
> StatePropagationFunctions.trigForceParentFailedViaChild(
> "TRIGGER_Detect_Dual_Receiver_Failure_43296731577724",
> "あえいおう",
> child0,
> true );
> end
>
> When the static method trigForceParentFailedViaChild is invoke as a
> consequence of fullfilling the rule conditions, the non-latin text in the
> second argument is corrupted when output to a file.
>
> The DRL is loaded as a resource by our application and passed to Drools
> thus:
>
> try {
> final FileInputStream fis = new
> FileInputStream(drlFile);
> fr = new InputStreamReader(fis, textEncoding);
>
> } catch (FileNotFoundException e1) {
> log.error("Cannot open DRL file: " +
> drlFile.getName());
> return null;
> } catch (UnsupportedEncodingException e) {
> log.error("Text encoding configuration problem
> " + textEncoding);
> return null;
> }
> // Load DRL file into PackageBuilder and create Package
> Resource resource = ResourceFactory.newReaderResource(fr,
> textEncoding);
>
> KnowledgeBuilder knowledgeBuilder =
> KnowledgeBuilderFactory.newKnowledgeBuilder(knowledgeBuilderConfiguration);
>
> knowledgeBuilder.add(resource, ResourceType.DRL);
>
> Note, 'textEncoding' is loaded from a properties file by the application and
> is set to "UTF8". The system property "file.encoding" for the
> application's JVM is also set to "UTF8".
>
> We have also tried using the ResourceFactory's newFileResource passing it
> the drlFile Object, but to no avail, the result is the same.
>
> So we have debugged the Drools 5.0.1 source and discovered that when the
> stream representing the DRL is wrapped by the ANTLRInputStream, line 320,
> org.drools.compiler.DrlParser (drools-compiler project) the encoding of the
> input stream is not passed on to the ANTLRInputStream that is used to wrap
> it. If we modify the Drools code to use the overloaded ANTLRInputStream
> constructor that accepts the stream encoding then the non-Latin text is
> passed correctly to our method. We've also checked the code on the head
> of the repository and it is same. Although this seems like a bug, I want to
> make sure we're not doing something wrong first.
>
_______________________________________________
rules-users mailing list
[email protected]
https://lists.jboss.org/mailman/listinfo/rules-users
