asterix-bad/src/main/java/org/apache/asterix/bad/lang/statement/ChannelSubscribeStatement.java [219:224]:
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            MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
        } catch (Exception e) {
            QueryTranslator.abort(e, e, mdTxnCtx);
            throw HyracksDataException.create(e);
        } finally {
            metadataProvider.getLocks().unlock();
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asterix-bad/src/main/java/org/apache/asterix/bad/lang/statement/ChannelUnsubscribeStatement.java [147:152]:
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            MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
        } catch (Exception e) {
            QueryTranslator.abort(e, e, mdTxnCtx);
            throw HyracksDataException.create(e);
        } finally {
            metadataProvider.getLocks().unlock();
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