[UIMA-5425] Rule crashes RUTA execution

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 2.3.1ruta
• Component/s: Ruta
• Assignee: Peter Klügl
• Reporter: Christian
• Created: 11/May/17 08:57
• Updated: 11/May/17 10:21

Description

I've created a rule that's able to crash the rule execution

TYPESYSTEM BasicTypeSystem;

DECLARE Test;
DECLARE Cap;

(CW) {-> Cap};

(Cap{-IS(SW)})*? CW {-> Test};

That looks for me like an endless loop:

	at org.apache.uima.ruta.rule.RutaRuleElement.stepbackMatch(RutaRuleElement.java:283)
	at org.apache.uima.ruta.rule.RutaRuleElement.continueMatch(RutaRuleElement.java:214)
	at org.apache.uima.ruta.rule.ComposedRuleElement.continueMatch(ComposedRuleElement.java:193)
	at org.apache.uima.ruta.rule.ComposedRuleElement.continueOwnMatch(ComposedRuleElement.java:366)
	at org.apache.uima.ruta.rule.ComposedRuleElement.fallbackContinue(ComposedRuleElement.java:442)
	at org.apache.uima.ruta.rule.RutaRuleElement.stepbackMatch(RutaRuleElement.java:283)
	at org.apache.uima.ruta.rule.RutaRuleElement.continueMatch(RutaRuleElement.java:214)
	at org.apache.uima.ruta.rule.ComposedRuleElement.continueMatch(ComposedRuleElement.java:193)
	at org.apache.uima.ruta.rule.ComposedRuleElement.continueOwnMatch(ComposedRuleElement.java:366)
	at org.apache.uima.ruta.rule.ComposedRuleElement.fallbackContinue(ComposedRuleElement.java:442)
	at org.apache.uima.ruta.rule.RutaRuleElement.stepbackMatch(RutaRuleElement.java:283)
	at org.apache.uima.ruta.rule.RutaRuleElement.continueMatch(RutaRuleElement.java:214)
	at org.apache.uima.ruta.rule.ComposedRuleElement.continueMatch(ComposedRuleElement.java:193)
	at org.apache.uima.ruta.rule.ComposedRuleElement.continueOwnMatch(ComposedRuleElement.java:366)
	at org.apache.uima.ruta.rule.ComposedRuleElement.fallbackContinue(ComposedRuleElement.java:442)
	at org.apache.uima.ruta.rule.RutaRuleElement.stepbackMatch(RutaRuleElement.java:283)
	at org.apache.uima.ruta.rule.RutaRuleElement.continueMatch(RutaRuleElement.java:214)
	at org.apache.uima.ruta.rule.ComposedRuleElement.continueMatch(ComposedRuleElement.java:193)
	at org.apache.uima.ruta.rule.ComposedRuleElement.continueOwnMatch(ComposedRuleElement.java:366)
	at org.apache.uima.ruta.rule.ComposedRuleElement.fallbackContinue(ComposedRuleElement.java:442)
	at org.apache.uima.ruta.rule.RutaRuleElement.stepbackMatch(RutaRuleElement.java:283)
	at org.apache.uima.ruta.rule.RutaRuleElement.continueMatch(RutaRuleElement.java:214)
	at org.apache.uima.ruta.rule.ComposedRuleElement.continueMatch(ComposedRuleElement.java:193)
	at org.apache.uima.ruta.rule.ComposedRuleElement.continueOwnMatch(ComposedRuleElement.java:366)
	at org.apache.uima.ruta.rule.ComposedRuleElement.fallbackContinue(ComposedRuleElement.java:442)
	at org.apache.uima.ruta.rule.RutaRuleElement.stepbackMatch(RutaRuleElement.java:283)
	at org.apache.uima.ruta.rule.RutaRuleElement.continueMatch(RutaRuleElement.java:214)
	at org.apache.uima.ruta.rule.ComposedRuleElement.continueMatch(ComposedRuleElement.java:193)
	at org.apache.uima.ruta.rule.ComposedRuleElement.continueOwnMatch(ComposedRuleElement.java:366)
	at org.apache.uima.ruta.rule.ComposedRuleElement.fallbackContinue(ComposedRuleElement.java:442)
	at org.apache.uima.ruta.rule.RutaRuleElement.stepbackMatch(RutaRuleElement.java:283)