[JCR-3713] Exception in GQL if it starts with OR expression

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 2.7.3
• Component/s: jackrabbit-jcr-commons
• Assignee: Unassigned
• Reporter: Alexander Klimetschek
• Created: 09/Jan/14 03:19
• Updated: 09/Jan/14 03:28

Description

These GQL queries lead to an ArrayIndexOutOfBoundsException:

OR property:something
path:/content OR property:something

This is because GQL#pushExpression() will blindly replace the previous entry in the "conditions" list, even if it is still empty.

Caused by: java.lang.ArrayIndexOutOfBoundsException: -1
	at java.util.ArrayList.get(ArrayList.java:324)
	at org.apache.jackrabbit.commons.query.GQL.pushExpression(GQL.java:798)
	at org.apache.jackrabbit.commons.query.GQL.access$000(GQL.java:133)
	at org.apache.jackrabbit.commons.query.GQL$1.term(GQL.java:426)
	at org.apache.jackrabbit.commons.query.GQL.parse(GQL.java:682)
	at org.apache.jackrabbit.commons.query.GQL.translateStatement(GQL.java:423)
	at org.apache.jackrabbit.commons.query.GQL.execute(GQL.java:389)
	at org.apache.jackrabbit.commons.query.GQL.execute(GQL.java:322)