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https://issues.apache.org/jira/browse/THRIFT-5802?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17869950#comment-17869950
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Jens Geyer commented on THRIFT-5802:
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Ping. I really would appreciate an answer here.
> Inconsistent Validation for transmitted values
> -----------------------------------------------
>
> Key: THRIFT-5802
> URL: https://issues.apache.org/jira/browse/THRIFT-5802
> Project: Thrift
> Issue Type: Bug
> Components: Node.js - Library
> Affects Versions: 0.19.0, 0.20.0
> Reporter: Team_RPCtester
> Priority: Major
>
> *Hi,*
> We discover an inconsistent behavior under V20.0 and V19.0 by the following
> example.
> The thrift file:
> {code:java}
> namespace java com.example
> namespace go commonResource
> service DataService {
> set<i8> Method_1(1: set<i8> agr_method_1)
> }
> {code}
> When using Go,Py3 and Node.js as the client side(writer) and Node.js as the
> server side(reader) with the protocol set to “json” and the transport set to
> “framed“. We sent the value [10, 43, 38, 38, -2]to the server, but the server
> received differently. The received are respectively nothing, [10, 43, 38, -2]
> and [10, 43, 38, 38, -2] from Go,Py3 and Node.js which is unexpected. Here
> is the relevant code:We use agr_method_1_0 as the parameter sent to the
> client side(writer).
> Go client side : It throws an error “[]int8 error writing set field: slice
> is not unique back”
> {code:java}
> set_item_0 := []int8 {10, 43, 38, 38, -2}
> re_1, err := dataserviceclient.Method_1(context.Background(),set_item_0)
> if err != nil {
> fmt.Println("Method_1 receives error ", err, " back")
> } else {
> fmt.Println("Method_1 receives ", re_1, " back")
> }
> {code}
> py3 client side
> {code:java}
> agr_method_1 = [10, 43, 38, 38, -2]
> try:
> re_1 = client.Method_1(agr_method_1)
> # re_1: [10, 43, 38, -2]
> except Exception as ex:
> print(f"Method_1 receives error {ex} back")
> {code}
> Nodejs client side
> {code:java}
> const arg_Method_1 = [10, 43, 38, 38, -2];
> console.log("Method_1 sends ", arg_Method_1, " end");
> try {
> const re_1 = await client.Method_1(arg_Method_1);
> console.log("Method_1 receives ", re_1, " back");
> //re_1 [10, 43, 38, 38, -2]
> } catch (error) {
> console.log("Method_1 receives error ", error, " back");
> }
> {code}
> Nodejs server:
> {code:java}
> Method_1: async function(agr_method_1, result) {
> console.log("Method_1 receives ", agr_method_1);
> result(null, agr_method_1);
> }
> {code}
> The Go client throws an error before transmitting the parameter, indicating
> that the items are not unique. The Node.js client transmits the duplicate
> values and receives duplicated values from the Node.js server. The Python
> client automatically de-duplicates the values and receives the de-duplicated
> values. This behavior is inconsistent across the different clients.
> Can you help check the issue?
> Thank you.
>
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