Fixed NPE when concurrencyLevel is 0
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@ -117,6 +117,7 @@ public class TxStream extends HierNode implements ITxStream<ITxEvent> {
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sb.append(scvStream.getId());
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resultSet = statement.executeQuery(sb.toString());
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while (resultSet.next()) {
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if(maxConcurrency==null) maxConcurrency=0;
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Object value = resultSet.getObject("concurrencyLevel");
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if(value!=null)
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maxConcurrency=(Integer) value;
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