Github user aljoscha commented on a diff in the pull request:
https://github.com/apache/flink/pull/5230#discussion_r165388777
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/state/OperatorBackendSerializationProxy.java
---
@@ -77,16 +90,33 @@ public void read(DataInputView in) throws IOException {
super.read(in);
int numKvStates = in.readShort();
- stateMetaInfoSnapshots = new ArrayList<>(numKvStates);
+ operatorStateMetaInfoSnapshots = new ArrayList<>(numKvStates);
for (int i = 0; i < numKvStates; i++) {
- stateMetaInfoSnapshots.add(
-
OperatorBackendStateMetaInfoSnapshotReaderWriters
- .getReaderForVersion(getReadVersion(),
userCodeClassLoader)
- .readStateMetaInfo(in));
+ operatorStateMetaInfoSnapshots.add(
+
OperatorBackendStateMetaInfoSnapshotReaderWriters
+
.getOperatorStateReaderForVersion(getReadVersion(), userCodeClassLoader)
+
.readOperatorStateMetaInfo(in));
}
+
+ if (VERSION >= 3) {
--- End diff --
Wouldn't this always depend on the version of the code and not the version
of the snapshot? That is, if we restore from a `VERSION < 3` snapshot we should
not go into this code path.
I think here you can get that via `getReadVersion()`.
---
