Yep that was it. I have created https://issues.apache.org/jira/browse/FLINK-11853 so that it is easier for others to work around if they have restrictions on the HTTP client library choice
On Thu, 7 Mar 2019 at 11:47, Stephen Connolly < stephen.alan.conno...@gmail.com> wrote: > > > On Thu, 7 Mar 2019 at 11:33, Chesnay Schepler <ches...@apache.org> wrote: > >> I've heard of cases where client libraries are automatically changing >> the HTTP method when provided with a body. >> > > Hmmm thanks for that... I'll dig into it > > >> >> To figure out what exactly is received by Flink, enable TRACE logging, >> try again and look for logging messages from >> "org.apache.flink.runtime.rest.handler.router.RouterHandler" >> >> On 07.03.2019 11:25, Stephen Connolly wrote: >> > In the documentation for the /jars/:jarid/plan endpoint >> > >> https://ci.apache.org/projects/flink/flink-docs-stable/monitoring/rest_api.html#jars-jarid-plan >> > >> > It says: >> > >> > > Program arguments can be passed both via the JSON request >> > (recommended) or query parameters. >> > >> > Has anyone got sample code that sends the JSON request? >> > >> > I have got the end-point working with query parameters, but I need to >> > support more than 2083 GET URL length limit. >> > >> > When I have my code like this: >> > >> > UriTemplate template = UriTemplate.fromTemplate(apiUrl) >> > .literal("/v1/jars") >> > .path("jarId") >> > .literal("/plan") >> > .query("entryClass", "programArg*", "parallelism") >> > .build() >> > .set("jarId", jarId); >> > if (requestBody.getEntryClass() != null) { >> > // TODO find a way to have this as entry-class even if the >> > spec says no >> > template.set("entryClass", requestBody.getEntryClass()); >> > } >> > if (!requestBody.getProgramArgs().isEmpty()) { >> > template.set("programArg", >> > requestBody.getProgramArgs().toArray(new String[0])); >> > } >> > if (requestBody.getParallelism() > 0) { >> > template.set("parallelism", requestBody.getParallelism()); >> > } >> > return get( >> > template, >> > null, >> > null, >> > JsonNode.class, >> > MEDIA_TYPE_JSON >> > ); >> > >> > Then I get the plan returned. >> > >> > When I change to this >> > >> > UriTemplate template = UriTemplate.fromTemplate(apiUrl) >> > .literal("/v1/jars") >> > .path("jarId") >> > .literal("/plan") >> > .build() >> > .set("jarId", jarId); >> > return get( >> > template, >> > requestBody, >> > MEDIA_TYPE_JSON, >> > JsonNode.class, >> > MEDIA_TYPE_JSON >> > ); >> > >> > I get a 404. >> > >> > Basically, adding the request body makes the URL go 404... For fun I >> > tried having both query parameters and request body and that gets a >> > 404 also. >> > >> > So does anyone have a working example using the JSON request body (and >> > let's not get started on how a request body is a really bad idea for >> > GET requests) >> >> >>
