[rules-users] Special characters in rule parameter

[Rifflard Mickaël]

Hi all,

 

We have an issue when we want to use special characters in a rule parameter.

For example, if we use french accents like é or è, the following exception is raised during drl file loading : 

 

line 1:8: unexpected char: 0xE9

      at org.drools.semantics.java.parser.JavaLexer.nextToken(JavaLexer.java:611)

      at antlr.TokenBuffer.fill(TokenBuffer.java:69)

      at antlr.TokenBuffer.LA(TokenBuffer.java:80)

      at antlr.LLkParser.LA(LLkParser.java:52)

      at org.drools.semantics.java.parser.JavaRecognizer.unaryExpressionNotPlusMinus(JavaRecognizer.java:4778)

      at org.drools.semantics.java.parser.JavaRecognizer.unaryExpression(JavaRecognizer.java:4636)

      at org.drools.semantics.java.parser.JavaRecognizer.multiplicativeExpression(JavaRecognizer.java:4479)

      at org.drools.semantics.java.parser.JavaRecognizer.additiveExpression(JavaRecognizer.java:4419)

      at org.drools.semantics.java.parser.JavaRecognizer.shiftExpression(JavaRecognizer.java:4350)

      at org.drools.semantics.java.parser.JavaRecognizer.relationalExpression(JavaRecognizer.java:4216)

      at org.drools.semantics.java.parser.JavaRecognizer.equalityExpression(JavaRecognizer.java:4156)

      at org.drools.semantics.java.parser.JavaRecognizer.andExpression(JavaRecognizer.java:4119)

      at org.drools.semantics.java.parser.JavaRecognizer.exclusiveOrExpression(JavaRecognizer.java:4082)

 

We are using Drools 2.5 with JDK 1.4.

Is it possible to use special characters in a rule parameter ? 

If yes, what is our mistake ?

 

Thanks a lot.

 

            Mickaël

 

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