Understanding Drools error messages

Solution In Progress - Updated -

Environment

  • Red Hat JBoss BRMS
    • 6.0.3

Issue

  • What does this error message mean?
2015-01-15 17:03:38,696 [main] ERROR Unable to build KieBaseModel:defaultKieBase
[32,41]: [ERR 101] Line 32:41 no viable alternative at input ':' in rule "multipleQueensHorizontal"
[0,0]: Parser returned a null Package

Resolution

2015-01-15 17:03:38,696 [main] ERROR Unable to build KieBaseModel:defaultKieBase
[32,41]: [ERR 101] Line 32:41 no viable alternative at input ':' in rule "multipleQueensHorizontal"
[0,0]: Parser returned a null Package
  • 'defaultKieBase' is the name of KieBase.
  • 'Line 32:41' means line 32 and column 41.
  • "no viable alternative at input ':' " generally means that there is an invalid character/token in terms of syntax at the place.

This section in the documentation would help:
https://access.redhat.com/documentation/en-US/Red_Hat_JBoss_BRMS/6.0/html-single/Development_Guide/index.html#Error_Messages_Description

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