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RuleChainActorMessageProcessor: onTellNext null pointer fix

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This commit is contained in:
Sergey Matvienko 2021-09-01 18:29:58 +03:00
parent 5d919df9b5
commit 8664785216
1 changed files with 12 additions and 5 deletions
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17
application/src/main/java/org/thingsboard/server/actors/ruleChain/RuleChainActorMessageProcessor.java
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@ -250,10 +250,17 @@ public class RuleChainActorMessageProcessor extends ComponentMsgProcessor<RuleCh
checkActive(msg);
EntityId entityId = msg.getOriginator();
TopicPartitionInfo tpi = systemContext.resolve(ServiceType.TB_RULE_ENGINE, msg.getQueueName(), tenantId, entityId);
List<RuleNodeRelation> relations = nodeRoutes.get(originatorNodeId).stream()
List<RuleNodeRelation> ruleNodeRelations = nodeRoutes.get(originatorNodeId);
if (ruleNodeRelations == null) { // When unchecked, this will cause NullPointerException when rule node doesn't exist anymore
log.warn("[{}][{}][{}] No outbound relations (null). Probably rule node does not exist. Probably old message.", tenantId, entityId, msg.getId());
ruleNodeRelations = Collections.emptyList();
}
List<RuleNodeRelation> relationsByTypes = ruleNodeRelations.stream()
.filter(r -> contains(relationTypes, r.getType()))
.collect(Collectors.toList());
int relationsCount = relations.size();
int relationsCount = relationsByTypes.size();
if (relationsCount == 0) {
log.trace("[{}][{}][{}] No outbound relations to process", tenantId, entityId, msg.getId());
if (relationTypes.contains(TbRelationTypes.FAILURE)) {
@ -268,14 +275,14 @@ public class RuleChainActorMessageProcessor extends ComponentMsgProcessor<RuleCh
msg.getCallback().onSuccess();
}
} else if (relationsCount == 1) {
for (RuleNodeRelation relation : relations) {
for (RuleNodeRelation relation : relationsByTypes) {
log.trace("[{}][{}][{}] Pushing message to single target: [{}]", tenantId, entityId, msg.getId(), relation.getOut());
pushToTarget(tpi, msg, relation.getOut(), relation.getType());
}
} else {
MultipleTbQueueTbMsgCallbackWrapper callbackWrapper = new MultipleTbQueueTbMsgCallbackWrapper(relationsCount, msg.getCallback());
log.trace("[{}][{}][{}] Pushing message to multiple targets: [{}]", tenantId, entityId, msg.getId(), relations);
for (RuleNodeRelation relation : relations) {
log.trace("[{}][{}][{}] Pushing message to multiple targets: [{}]", tenantId, entityId, msg.getId(), relationsByTypes);
for (RuleNodeRelation relation : relationsByTypes) {
EntityId target = relation.getOut();
putToQueue(tpi, msg, callbackWrapper, target);
}