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KAFKA-6894: Improve err msg when explicitly connecting processor to global store #5000

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Merged
guozhangwang merged 1 commit into from
May 10, 2018
Merged

KAFKA-6894: Improve err msg when explicitly connecting processor to global store #5000

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4 changes: 4 additions & 0 deletions ...s/src/main/java/org/apache/kafka/streams/processor/internals/InternalTopologyBuilder.java
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Original file line number Diff line number Diff line change
Expand Up @@ -712,6 +712,10 @@ private void addGlobalStore(final String sourceName,

private void connectProcessorAndStateStore(final String processorName,
final String stateStoreName) {
if (globalStateStores.containsKey(stateStoreName)) {
throw new TopologyException("Global StateStore " + stateStoreName +
" can be used by a Processor without being specified; it should not be explicitly passed.");
}
if (!stateFactories.containsKey(stateStoreName)) {
throw new TopologyException("StateStore " + stateStoreName + " is not added yet.");
}
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