[jboss-jira] [JBoss JIRA] (DROOLS-2241) Wrong pattern cloning causes missing FromNode sharing and eventually a NPE

[Mario Fusco (JIRA)]

Mario Fusco created DROOLS-2241:
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             Summary: Wrong pattern cloning causes missing FromNode sharing and eventually a NPE
                 Key: DROOLS-2241
                 URL: https://issues.jboss.org/browse/DROOLS-2241
             Project: Drools
          Issue Type: Bug
            Reporter: Mario Fusco
            Assignee: Mario Fusco


Wrong cloning of a pattern having a FromNode as source causes wrong initialization of both node and pattern which in turn prevents sharing of FromNode when possible. 

Even worse when the duplicated FromNode are part of a subnetwork also the RiaNode at the end of the subnetwork is wrongly initialized leading to a NPE like the following:

{node}
java.lang.NullPointerException
	at org.drools.core.reteoo.RiaPathMemory.initDataDriven(RiaPathMemory.java:35)
	at org.drools.core.reteoo.PathMemory.<init>(PathMemory.java:50)
{node}



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