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elastic / elasticsearch-net

This strongly-typed, client library enables working with Elasticsearch. It is the official client maintained and supported by Elastic.
https://www.elastic.co/guide/en/elasticsearch/client/net-api/current/index.html
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illegal_argument_exception when calling the Field Capabilities API #8354

Closed gtoth93 closed 1 month ago

gtoth93 commented 1 month ago

Elastic.Clients.Elasticsearch version: 8.15.6

Elasticsearch version: 7.17 / 8.15

.NET runtime version: 8.0

Operating system version: Windows 11

Description of the problem including expected versus actual behavior: When calling the field capabilities API, the request fails because the fields are added to the request body instead of being added to request params. This is how I call the API:

var fieldCapsResponse = await Connection
    .NewClient
    .FieldCapsAsync(Connection.Index, request => request.Fields(new ElasticsearchField("*")).IncludeUnmapped(), cancellationToken)
    .ConfigureAwait(false);

As a workaround I called the API with the low level client and added fields to the request parameters manually, this way the request succeeds:

var requestQueryParams = new FieldCapsRequestParameters
{
    IncludeUnmapped = true
};
requestQueryParams.SetQueryString("fields", "*");

var fieldCapsResponse = await Connection
    .NewClient
    .Transport
    .RequestAsync<FieldCapsResponse>(
        HttpMethod.GET,
        $"/{Connection.Index}/_field_caps",
        null,
        requestQueryParams,
        cancellationToken)
    .ConfigureAwait(false);

Expected behavior When calling the Field Capabilities API, fields should be added to the query parameters instead of the request body.

Provide ConnectionSettings (if relevant):

Provide DebugInformation (if relevant): Unsuccessful (400) low level call on POST: /reefreview-dev-project-66/_field_caps?pretty=true&error_trace=true&include_unmapped=true Exception: Request failed to execute. Call: Status code 400 from: POST /reefreview-dev-project-66/_field_caps?pretty=true&error_trace=true&include_unmapped=true. ServerError: Type: illegal_argument_exception Reason: "specified fields can't be null or empty"

# Audit trail of this API call: - [1] BadResponse: Node: http://elastic:redacted@elasticsearch.local:9200/ Took: 00:00:00.0702640 # OriginalException: Elastic.Transport.TransportException: Request failed to execute. Call: Status code 400 from: POST /reefreview-dev-project-66/_field_caps?pretty=true&error_trace=true&include_unmapped=true. ServerError: Type: illegal_argument_exception Reason: "specified fields can't be null or empty" # Request: { "fields": [ "*" ] } # Response: { "error" : { "root_cause" : [ { "type" : "illegal_argument_exception", "reason" : "specified fields can't be null or empty", "stack_trace" : "[specified fields can't be null or empty]; nested: IllegalArgumentException[specified fields can't be null or empty];\n\tat org.elasticsearch.ElasticsearchException.guessRootCauses(ElasticsearchException.java:668)\n\tat org.elasticsearch.ElasticsearchException.generateFailureXContent(ElasticsearchException.java:596)\n\tat org.elasticsearch.rest.BytesRestResponse.build(BytesRestResponse.java:140)\n\tat org.elasticsearch.rest.BytesRestResponse.(BytesRestResponse.java:101)\n\tat org.elasticsearch.rest.BytesRestResponse.(BytesRestResponse.java:81)\n\tat org.elasticsearch.rest.RestController.dispatchRequest(RestController.java:342)\n\tat org.elasticsearch.rest.RestController.tryAllHandlers(RestController.java:405)\n\tat org.elasticsearch.rest.RestController.dispatchRequest(RestController.java:252)\n\tat org.elasticsearch.http.AbstractHttpServerTransport.dispatchRequest(AbstractHttpServerTransport.java:384)\n\tat org.elasticsearch.http.AbstractHttpServerTransport.handleIncomingRequest(AbstractHttpServerTransport.java:478)\n\tat org.elasticsearch.http.AbstractHttpServerTransport.incomingRequest(AbstractHttpServerTransport.java:358)\n\tat org.elasticsearch.http.netty4.Netty4HttpRequestHandler.channelRead0(Netty4HttpRequestHandler.java:35)\n\tat org.elasticsearch.http.netty4.Netty4HttpRequestHandler.channelRead0(Netty4HttpRequestHandler.java:19)\n\tat io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)\n\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)\n\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)\n\tat org.elasticsearch.http.netty4.Netty4HttpPipeliningHandler.channelRead(Netty4HttpPipeliningHandler.java:48)\n\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:442)\n\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)\n\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)\n\tat io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)\n\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)\n\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)\n\tat io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n\tat io.netty.handler.codec.MessageToMessageCodec.channelRead(MessageToMessageCodec.java:111)\n\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:442)\n\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)\n\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)\n\tat io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)\n\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)\n\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)\n\tat io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)\n\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)\n\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)\n\tat io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:346)\n\tat io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:318)\n\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)\n\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)\n\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)\n\tat io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:442)\n\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)\n\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)\n\tat io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)\n\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)\n\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)\n\tat io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)\n\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)\n\tat io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n\tat io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:166)\n\tat io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:788)\n\tat io.netty.channel.nio.NioEventLoop.processSelectedKeysPlain(NioEventLoop.java:689)\n\tat io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:652)\n\tat io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:562)\n\tat io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)\n\tat io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n\tat java.base/java.lang.Thread.run(Thread.java:840)\nCaused by: java.lang.IllegalArgumentException: specified fields can't be null or empty\n\tat org.elasticsearch.action.fieldcaps.FieldCapabilitiesRequest.fields(FieldCapabilitiesRequest.java:128)\n\tat org.elasticsearch.rest.action.RestFieldCapabilitiesAction.prepareRequest(RestFieldCapabilitiesAction.java:51)\n\tat org.elasticsearch.rest.BaseRestHandler.handleRequest(BaseRestHandler.java:86)\n\tat org.elasticsearch.rest.RestController.dispatchRequest(RestController.java:340)\n\t... 57 more\n" } ], "type" : "illegal_argument_exception", "reason" : "specified fields can't be null or empty", "stack_trace" : "java.lang.IllegalArgumentException: specified fields can't be null or empty\n\tat org.elasticsearch.action.fieldcaps.FieldCapabilitiesRequest.fields(FieldCapabilitiesRequest.java:128)\n\tat org.elasticsearch.rest.action.RestFieldCapabilitiesAction.prepareRequest(RestFieldCapabilitiesAction.java:51)\n\tat org.elasticsearch.rest.BaseRestHandler.handleRequest(BaseRestHandler.java:86)\n\tat org.elasticsearch.rest.RestController.dispatchRequest(RestController.java:340)\n\tat org.elasticsearch.rest.RestController.tryAllHandlers(RestController.java:405)\n\tat org.elasticsearch.rest.RestController.dispatchRequest(RestController.java:252)\n\tat org.elasticsearch.http.AbstractHttpServerTransport.dispatchRequest(AbstractHttpServerTransport.java:384)\n\tat org.elasticsearch.http.AbstractHttpServerTransport.handleIncomingRequest(AbstractHttpServerTransport.java:478)\n\tat org.elasticsearch.http.AbstractHttpServerTransport.incomingRequest(AbstractHttpServerTransport.java:358)\n\tat org.elasticsearch.http.netty4.Netty4HttpRequestHandler.channelRead0(Netty4HttpRequestHandler.java:35)\n\tat org.elasticsearch.http.netty4.Netty4HttpRequestHandler.channelRead0(Netty4HttpRequestHandler.java:19)\n\tat io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)\n\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)\n\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)\n\tat org.elasticsearch.http.netty4.Netty4HttpPipeliningHandler.channelRead(Netty4HttpPipeliningHandler.java:48)\n\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:442)\n\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)\n\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)\n\tat io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)\n\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)\n\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)\n\tat io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n\tat io.netty.handler.codec.MessageToMessageCodec.channelRead(MessageToMessageCodec.java:111)\n\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:442)\n\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)\n\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)\n\tat io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)\n\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)\n\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)\n\tat io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)\n\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)\n\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)\n\tat io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:346)\n\tat io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:318)\n\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)\n\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)\n\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)\n\tat io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:442)\n\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)\n\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)\n\tat io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)\n\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)\n\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)\n\tat io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)\n\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)\n\tat io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n\tat io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:166)\n\tat io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:788)\n\tat io.netty.channel.nio.NioEventLoop.processSelectedKeysPlain(NioEventLoop.java:689)\n\tat io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:652)\n\tat io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:562)\n\tat io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)\n\tat io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n\tat java.base/java.lang.Thread.run(Thread.java:840)\n" }, "status" : 400 }

# TCP states: Established: 1815 TimeWait: 161 CloseWait: 7

# ThreadPool statistics: Worker: Busy: 3 Free: 32764 Min: 8 Max: 32767 IOCP: Busy: 0 Free: 1000 Min: 1 Max: 1000

flobernd commented 1 month ago

Hi @gtoth93 ,

you are mentioning 7.17 / 8.15 as the ES version.

Could you please confirm that the request fails for both versions? According to our specification, it should be allowed to pass the fields in the request body since version 8.5 which means that the request should only fail vs. the 7.17 instance.

github-actions[bot] commented 1 month ago

This issue is stale because it has been open 5 days with no activity. Remove stale label or comment or this will be closed in 2 days.

github-actions[bot] commented 1 month ago

This issue was closed because it has been stalled for 2 days with no activity.

gtoth93 commented 1 month ago

@flobernd I have retested this, and you are correct, the high level request does work with 8.15, this issue can be closed.