diff --git a/asterix-common/src/main/java/edu/uci/ics/asterix/common/context/DatasetLifecycleManager.java b/asterix-common/src/main/java/edu/uci/ics/asterix/common/context/DatasetLifecycleManager.java
index 1931188..7232f01 100644
--- a/asterix-common/src/main/java/edu/uci/ics/asterix/common/context/DatasetLifecycleManager.java
+++ b/asterix-common/src/main/java/edu/uci/ics/asterix/common/context/DatasetLifecycleManager.java
@@ -165,7 +165,8 @@
         List<DatasetInfo> datasetInfosList = new ArrayList<DatasetInfo>(datasetInfos.values());
         Collections.sort(datasetInfosList);
         for (DatasetInfo dsInfo : datasetInfosList) {
-            if (((PrimaryIndexOperationTracker) datasetOpTrackers.get(dsInfo.datasetID)).getNumActiveOperations() == 0
+            ILSMOperationTracker opTracker = datasetOpTrackers.get(dsInfo.datasetID);
+            if (opTracker != null && ((PrimaryIndexOperationTracker) opTracker).getNumActiveOperations() == 0
                     && dsInfo.referenceCount == 0 && dsInfo.isOpen) {
                 for (IndexInfo iInfo : dsInfo.indexes.values()) {
                     if (iInfo.isOpen) {
diff --git a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/declared/AqlMetadataProvider.java b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/declared/AqlMetadataProvider.java
index 608e1b3..1ade7ef 100644
--- a/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/declared/AqlMetadataProvider.java
+++ b/asterix-metadata/src/main/java/edu/uci/ics/asterix/metadata/declared/AqlMetadataProvider.java
@@ -575,9 +575,11 @@
                     appContext.getStorageManagerInterface(), appContext.getIndexLifecycleManagerProvider(), spPc.first,
                     typeTraits, comparatorFactories, bloomFilterKeyFields, lowKeyFields, highKeyFields,
                     lowKeyInclusive, highKeyInclusive, new LSMBTreeDataflowHelperFactory(
-                            new AsterixVirtualBufferCacheProvider(dataset.getDatasetId()), rtcProvider, rtcProvider,
-                            rtcProvider, rtcProvider, storageProperties.getBloomFilterFalsePositiveRate()),
-                    retainInput, searchCallbackFactory);
+                            new AsterixVirtualBufferCacheProvider(dataset.getDatasetId()), rtcProvider,
+                            isSecondary ? AsterixRuntimeComponentsProvider.LSMBTREE_SECONDARY_PROVIDER
+                                    : new PrimaryIndexOperationTrackerProvider(dataset.getDatasetId()), rtcProvider,
+                            rtcProvider, storageProperties.getBloomFilterFalsePositiveRate()), retainInput,
+                    searchCallbackFactory);
 
             return new Pair<IOperatorDescriptor, AlgebricksPartitionConstraint>(btreeSearchOp, spPc.second);
 
@@ -1109,7 +1111,8 @@
         }
 
         boolean isPartitioned;
-        if (indexType == IndexType.LENGTH_PARTITIONED_WORD_INVIX || indexType == IndexType.LENGTH_PARTITIONED_NGRAM_INVIX) {
+        if (indexType == IndexType.LENGTH_PARTITIONED_WORD_INVIX
+                || indexType == IndexType.LENGTH_PARTITIONED_NGRAM_INVIX) {
             isPartitioned = true;
         } else {
             isPartitioned = false;