fixed tests

Author: NSAmelchev

modules/core/src/main/java/org/apache/ignite/internal/processors/cache/persistence/snapshot/IncrementalSnapshotVerifyResult.java

@@ -101,8 +101,11 @@ public Collection<GridCacheVersion> partiallyCommittedTxs() {
 
     /** {@inheritDoc} */
     @Override public void finishUnmarshal(Marshaller marsh, ClassLoader clsLdr) throws IgniteCheckedException {
-        txHashRes = U.unmarshal(marsh, txHashResBytes, clsLdr);
-        partHashRes = U.unmarshal(marsh, partHashResBytes, clsLdr);
+        if (txHashResBytes != null)
+            txHashRes = U.unmarshal(marsh, txHashResBytes, clsLdr);
+
+        if (partHashResBytes != null)
+            partHashRes = U.unmarshal(marsh, partHashResBytes, clsLdr);
     }
 
     /** {@inheritDoc} */

modules/core/src/main/java/org/apache/ignite/internal/processors/cache/persistence/snapshot/SnapshotCheckPartitionHashesResponse.java

@@ -58,7 +58,8 @@ public Map<String, Map<PartitionKey, PartitionHashRecord>> perMetaResults() {
 
     /** {@inheritDoc} */
     @Override public void finishUnmarshal(Marshaller marsh, ClassLoader clsLdr) throws IgniteCheckedException {
-        perMetaResults = U.unmarshal(marsh, perMetaResultsBytes, clsLdr);
+        if (perMetaResultsBytes != null)
+            perMetaResults = U.unmarshal(marsh, perMetaResultsBytes, clsLdr);
     }
 
     /** {@inheritDoc} */

modules/core/src/main/java/org/apache/ignite/internal/processors/cache/persistence/snapshot/SnapshotMetadataResponse.java

@@ -57,7 +57,8 @@ public List<SnapshotMetadata> metadata() {
 
     /** {@inheritDoc} */
     @Override public void finishUnmarshal(Marshaller marsh, ClassLoader clsLdr) throws IgniteCheckedException {
-        metadata = U.unmarshal(marsh, metadataBytes, clsLdr);
+        if (metadataBytes != null)
+            metadata = U.unmarshal(marsh, metadataBytes, clsLdr);
     }
 
     /** {@inheritDoc} */

modules/core/src/main/java/org/apache/ignite/internal/processors/cache/persistence/snapshot/SnapshotPartitionsVerifyHandlerResponse.java

@@ -60,7 +60,8 @@ public Map<PartitionKey, PartitionHashRecord> response() {
 
     /** {@inheritDoc} */
     @Override public void finishUnmarshal(Marshaller marsh, ClassLoader clsLdr) throws IgniteCheckedException {
-        res = U.unmarshal(jdk(), resBytes, U.gridClassLoader());
+        if (resBytes != null)
+            res = U.unmarshal(jdk(), resBytes, U.gridClassLoader());
     }
 
     /** {@inheritDoc} */

modules/core/src/main/java/org/apache/ignite/internal/processors/cache/persistence/snapshot/SnapshotRestoreOperationResponse.java

@@ -79,8 +79,11 @@ public List<SnapshotMetadata> metadata() {
 
     /** {@inheritDoc} */
     @Override public void finishUnmarshal(Marshaller marsh, ClassLoader clsLdr) throws IgniteCheckedException {
-        ccfgs = U.unmarshal(marsh, ccfgsBytes, clsLdr);
-        metas = U.unmarshal(marsh, metasBytes, clsLdr);
+        if (ccfgsBytes != null)
+            ccfgs = U.unmarshal(marsh, ccfgsBytes, clsLdr);
+
+        if (metasBytes != null)
+            metas = U.unmarshal(marsh, metasBytes, clsLdr);
     }
 
     /** {@inheritDoc} */