twalthr commented on code in PR #23488:
URL: https://github.com/apache/flink/pull/23488#discussion_r1345578855
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flink-table/flink-table-planner/src/main/java/org/apache/flink/table/planner/plan/nodes/exec/ExecNodeContext.java:
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@@ -104,9 +104,16 @@ private ExecNodeContext(@Nullable Integer id, String name,
Integer version) {
@JsonCreator
public ExecNodeContext(String value) {
this.id = null;
- String[] split = value.split("_");
- this.name = split[0];
- this.version = Integer.valueOf(split[1]);
+ try {
+ String[] split = value.split("_");
+ this.name = split[0];
+ this.version = Integer.valueOf(split[1]);
+ } catch (Exception e) {
+ throw new TableException(
Review Comment:
The null_null situation was a bug in the serialization method. During JSON
deserialization so many things can go wrong if users modify the JSON plan
themselves. I vote for only implement what we need for this particular use
case. Also adding a comment there, why we need to to support plans older than
1.18.1.
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