asterix-bad/src/main/java/org/apache/asterix/bad/lang/statement/ChannelDropStatement.java [151:159]:
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            MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
        } catch (Exception e) {
            e.printStackTrace();
            if (txnActive) {
                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/ProcedureDropStatement.java [145:153]:
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            MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
        } catch (Exception e) {
            e.printStackTrace();
            if (txnActive) {
                QueryTranslator.abort(e, e, mdTxnCtx);
            }
            throw HyracksDataException.create(e);
        } finally {
            metadataProvider.getLocks().unlock();
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