# Getting 'failed to derive xcontent' when on \_mget with 'source' query param **URL:** \ **Category:** Elasticsearch\ **Created:** [January 26, 2014, 11:17pm UTC](https://discuss.elastic.co/t/getting-failed-to-derive-xcontent-when-on--mget-with-source-query-param/15425 "2014-01-26T23:17:55Z")\ **Posts on this page:** 9\ **Page:** 1
**Author:** ![Nikita\_Tovstoles](https://avatars.discourse-cdn.com/v4/letter/n/f17d59/32.png) [@Nikita\_Tovstoles](https://discuss.elastic.co/u/Nikita_Tovstoles)\ **Post date:** [January 26, 2014, 11:17pm UTC](https://discuss.elastic.co/t/getting-failed-to-derive-xcontent-when-on--mget-with-source-query-param/15425/1 "2014-01-26T23:17:55Z")
...trying to get docs by ids. works if I POST with body: curl -XPOST [http://localhost:9200/admin/brands/\_mget](http://localhost:9200/admin/brands/_mget) -d '{"ids": ["555"]}' ...but can't get when I move the above body to 'source' query param. is 'source' query param supported for bulk ops? curl -XGET [http://localhost:9200/admin/brands/\_mget?source={"ids"%3A%20["555"]}](http://localhost:9200/admin/brands/_mget?source=%7B%22ids%22%3A%20%5B%22555%22%5D%7D) {"error":"Failed to derive xcontent from org.elasticsearch.common.bytes.BytesArray@0"} thank you, -nikita -- You received this message because you are subscribed to the Google Groups "elasticsearch" group. To unsubscribe from this group and stop receiving emails from it, send an email to [elasticsearch+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com). To view this discussion on the web visit [https://groups.google.com/d/msgid/elasticsearch/b67d9951-c50d-4ca2-8b1b-36f2c455a0fb%40googlegroups.com](https://groups.google.com/d/msgid/elasticsearch/b67d9951-c50d-4ca2-8b1b-36f2c455a0fb%40googlegroups.com). For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out). ---
**Author:** ![dadoonet](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dadoonet/32/137187_2.png) [@dadoonet](https://discuss.elastic.co/u/dadoonet)\ **Post date:** [January 27, 2014, 1:09am UTC](https://discuss.elastic.co/t/getting-failed-to-derive-xcontent-when-on--mget-with-source-query-param/15425/2 "2014-01-27T01:09:52Z")
Where did you see that you can use a source parameter? -- David 😉 Twitter : @dadoonet / @elasticsearchfr / @scrutmydocs Le 27 janv. 2014 à 00:17, Nikita Tovstoles [nikita.tovstoles@gmail.com](mailto:nikita.tovstoles@gmail.com) a écrit : ...trying to get docs by ids. works if I POST with body: curl -XPOST [http://localhost:9200/admin/brands/\_mget](http://localhost:9200/admin/brands/_mget) -d '{"ids": ["555"]}' ...but can't get when I move the above body to 'source' query param. is 'source' query param supported for bulk ops? curl -XGET [http://localhost:9200/admin/brands/\_mget?source={"ids"%3A%20["555"]}](http://localhost:9200/admin/brands/_mget?source=%7B%22ids%22%3A%20%5B%22555%22%5D%7D) {"error":"Failed to derive xcontent from org.elasticsearch.common.bytes.BytesArray@0"} thank you, -nikita -- You received this message because you are subscribed to the Google Groups "elasticsearch" group. To unsubscribe from this group and stop receiving emails from it, send an email to [elasticsearch+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com). To view this discussion on the web visit [https://groups.google.com/d/msgid/elasticsearch/b67d9951-c50d-4ca2-8b1b-36f2c455a0fb%40googlegroups.com](https://groups.google.com/d/msgid/elasticsearch/b67d9951-c50d-4ca2-8b1b-36f2c455a0fb%40googlegroups.com). For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out). -- You received this message because you are subscribed to the Google Groups "elasticsearch" group. To unsubscribe from this group and stop receiving emails from it, send an email to [elasticsearch+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com). To view this discussion on the web visit [https://groups.google.com/d/msgid/elasticsearch/BBBB34D9-151E-4A18-BD1C-DAC2F3F49AA0%40pilato.fr](https://groups.google.com/d/msgid/elasticsearch/BBBB34D9-151E-4A18-BD1C-DAC2F3F49AA0%40pilato.fr). For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out). ---
**Author:** ![Nikita\_Tovstoles](https://avatars.discourse-cdn.com/v4/letter/n/f17d59/32.png) [@Nikita\_Tovstoles](https://discuss.elastic.co/u/Nikita_Tovstoles)\ **Post date:** [January 27, 2014, 6:09am UTC](https://discuss.elastic.co/t/getting-failed-to-derive-xcontent-when-on--mget-with-source-query-param/15425/3 "2014-01-27T06:09:09Z")
From the reference docs ;- am I misreading those? (see bottom here: > **[Elasticsearch Platform — Find real-time answers at scale](https://www.elastic.co)** > > Power insights and outcomes with the Elasticsearch Platform and AI. See into your data and find answers that matter with enterprise solutions designed to help you build, observe, and protect. Try Elasticsearch free today. ) On Jan 26, 2014 5:10 PM, "David Pilato" [david@pilato.fr](mailto:david@pilato.fr) wrote: > Where did you see that you can use a source parameter? > > -- > David 😉 > Twitter : @dadoonet / @elasticsearchfr / @scrutmydocs > > Le 27 janv. 2014 à 00:17, Nikita Tovstoles [nikita.tovstoles@gmail.com](mailto:nikita.tovstoles@gmail.com) a > écrit : > > ...trying to get docs by ids. works if I POST with body: > > curl -XPOST [http://localhost:9200/admin/brands/\_mget](http://localhost:9200/admin/brands/_mget) -d '{"ids": ["555"]}' > > ...but can't get when I move the above body to 'source' query param. is > 'source' query param supported for bulk ops? > > curl -XGET > [http://localhost:9200/admin/brands/\_mget?source={"ids"%3A%20["555"]}](http://localhost:9200/admin/brands/_mget?source=%7B%22ids%22%3A%20%5B%22555%22%5D%7D) > > {"error":"Failed to derive xcontent from > org.elasticsearch.common.bytes.BytesArray@0"} > > thank you, > > -nikita > > -- > You received this message because you are subscribed to the Google Groups > "elasticsearch" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [elasticsearch+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com). > To view this discussion on the web visit > [https://groups.google.com/d/msgid/elasticsearch/b67d9951-c50d-4ca2-8b1b-36f2c455a0fb%40googlegroups.com](https://groups.google.com/d/msgid/elasticsearch/b67d9951-c50d-4ca2-8b1b-36f2c455a0fb%40googlegroups.com) > . > For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out). > > -- > You received this message because you are subscribed to a topic in the > Google Groups "elasticsearch" group. > To unsubscribe from this topic, visit > [https://groups.google.com/d/topic/elasticsearch/GaX8rlStGDs/unsubscribe](https://groups.google.com/d/topic/elasticsearch/GaX8rlStGDs/unsubscribe). > To unsubscribe from this group and all its topics, send an email to > [elasticsearch+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com). > To view this discussion on the web visit > [https://groups.google.com/d/msgid/elasticsearch/BBBB34D9-151E-4A18-BD1C-DAC2F3F49AA0%40pilato.fr](https://groups.google.com/d/msgid/elasticsearch/BBBB34D9-151E-4A18-BD1C-DAC2F3F49AA0%40pilato.fr) > . > For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out). -- You received this message because you are subscribed to the Google Groups "elasticsearch" group. To unsubscribe from this group and stop receiving emails from it, send an email to [elasticsearch+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com). To view this discussion on the web visit [https://groups.google.com/d/msgid/elasticsearch/CAJwaA214r\_XvyUwftsvKea-KNnq%3De%2BzjOKJffXAukesKmWF%3DXg%40mail.gmail.com](https://groups.google.com/d/msgid/elasticsearch/CAJwaA214r_XvyUwftsvKea-KNnq%3De%2BzjOKJffXAukesKmWF%3DXg%40mail.gmail.com). For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out). ---
**Author:** ![dadoonet](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dadoonet/32/137187_2.png) [@dadoonet](https://discuss.elastic.co/u/dadoonet)\ **Post date:** [January 27, 2014, 7:52am UTC](https://discuss.elastic.co/t/getting-failed-to-derive-xcontent-when-on--mget-with-source-query-param/15425/4 "2014-01-27T07:52:37Z")
Thanks! Sounds like it's not in code. May be you could open an issue? -- David Pilato | Technical Advocate | [Elasticsearch.com](http://Elasticsearch.com) @dadoonet | @elasticsearchfr Le 27 janvier 2014 at 07:09:11, Nikita Tovstoles ([nikita.tovstoles@gmail.com](mailto:nikita.tovstoles@gmail.com)) a écrit: From the reference docs ;- am I misreading those? (see bottom here: [http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/common-options.html](http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/common-options.html)) On Jan 26, 2014 5:10 PM, "David Pilato" [david@pilato.fr](mailto:david@pilato.fr) wrote: Where did you see that you can use a source parameter? -- David 😉 Twitter : @dadoonet / @elasticsearchfr / @scrutmydocs Le 27 janv. 2014 à 00:17, Nikita Tovstoles [nikita.tovstoles@gmail.com](mailto:nikita.tovstoles@gmail.com) a écrit : ...trying to get docs by ids. works if I POST with body: curl -XPOST [http://localhost:9200/admin/brands/\_mget](http://localhost:9200/admin/brands/_mget) -d '{"ids": ["555"]}' ...but can't get when I move the above body to 'source' query param. is 'source' query param supported for bulk ops? curl -XGET [http://localhost:9200/admin/brands/\_mget?source={"ids"%3A%20["555"]}](http://localhost:9200/admin/brands/_mget?source=%7B%22ids%22%3A%20%5B%22555%22%5D%7D) {"error":"Failed to derive xcontent from org.elasticsearch.common.bytes.BytesArray@0"} thank you, -nikita ## -- You received this message because you are subscribed to the Google Groups "elasticsearch" group. To unsubscribe from this group and stop receiving emails from it, send an email to [elasticsearch+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com). To view this discussion on the web visit [https://groups.google.com/d/msgid/elasticsearch/b67d9951-c50d-4ca2-8b1b-36f2c455a0fb%40googlegroups.com](https://groups.google.com/d/msgid/elasticsearch/b67d9951-c50d-4ca2-8b1b-36f2c455a0fb%40googlegroups.com). For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out). ## You received this message because you are subscribed to a topic in the Google Groups "elasticsearch" group. To unsubscribe from this topic, visit [https://groups.google.com/d/topic/elasticsearch/GaX8rlStGDs/unsubscribe](https://groups.google.com/d/topic/elasticsearch/GaX8rlStGDs/unsubscribe). To unsubscribe from this group and all its topics, send an email to [elasticsearch+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com). To view this discussion on the web visit [https://groups.google.com/d/msgid/elasticsearch/BBBB34D9-151E-4A18-BD1C-DAC2F3F49AA0%40pilato.fr](https://groups.google.com/d/msgid/elasticsearch/BBBB34D9-151E-4A18-BD1C-DAC2F3F49AA0%40pilato.fr). For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out). You received this message because you are subscribed to the Google Groups "elasticsearch" group. To unsubscribe from this group and stop receiving emails from it, send an email to [elasticsearch+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com). To view this discussion on the web visit [https://groups.google.com/d/msgid/elasticsearch/CAJwaA214r\_XvyUwftsvKea-KNnq%3De%2BzjOKJffXAukesKmWF%3DXg%40mail.gmail.com](https://groups.google.com/d/msgid/elasticsearch/CAJwaA214r_XvyUwftsvKea-KNnq%3De%2BzjOKJffXAukesKmWF%3DXg%40mail.gmail.com). For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out). -- You received this message because you are subscribed to the Google Groups "elasticsearch" group. To unsubscribe from this group and stop receiving emails from it, send an email to [elasticsearch+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com). To view this discussion on the web visit [https://groups.google.com/d/msgid/elasticsearch/etPan.52e61045.74b0dc51.a826%40MacBook-Air-de-David.local](https://groups.google.com/d/msgid/elasticsearch/etPan.52e61045.74b0dc51.a826%40MacBook-Air-de-David.local). For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out). ---
**Author:** ![dadoonet](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dadoonet/32/137187_2.png) [@dadoonet](https://discuss.elastic.co/u/dadoonet)\ **Post date:** [January 27, 2014, 7:55am UTC](https://discuss.elastic.co/t/getting-failed-to-derive-xcontent-when-on--mget-with-source-query-param/15425/5 "2014-01-27T07:55:58Z")
Could you try with \_source instead of source? -- David Pilato | Technical Advocate | [Elasticsearch.com](http://Elasticsearch.com) @dadoonet | @elasticsearchfr Le 27 janvier 2014 at 08:52:37, David Pilato (david@pilato.fr) a écrit: Thanks! Sounds like it's not in code. May be you could open an issue? -- David Pilato | Technical Advocate | [Elasticsearch.com](http://Elasticsearch.com) @dadoonet | @elasticsearchfr Le 27 janvier 2014 at 07:09:11, Nikita Tovstoles ([nikita.tovstoles@gmail.com](mailto:nikita.tovstoles@gmail.com)) a écrit: From the reference docs ;- am I misreading those? (see bottom here: [http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/common-options.html](http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/common-options.html)) On Jan 26, 2014 5:10 PM, "David Pilato" [david@pilato.fr](mailto:david@pilato.fr) wrote: Where did you see that you can use a source parameter? -- David 😉 Twitter : @dadoonet / @elasticsearchfr / @scrutmydocs Le 27 janv. 2014 à 00:17, Nikita Tovstoles [nikita.tovstoles@gmail.com](mailto:nikita.tovstoles@gmail.com) a écrit : ...trying to get docs by ids. works if I POST with body: curl -XPOST [http://localhost:9200/admin/brands/\_mget](http://localhost:9200/admin/brands/_mget) -d '{"ids": ["555"]}' ...but can't get when I move the above body to 'source' query param. is 'source' query param supported for bulk ops? curl -XGET [http://localhost:9200/admin/brands/\_mget?source={"ids"%3A%20["555"]}](http://localhost:9200/admin/brands/_mget?source=%7B%22ids%22%3A%20%5B%22555%22%5D%7D) {"error":"Failed to derive xcontent from org.elasticsearch.common.bytes.BytesArray@0"} thank you, -nikita ## -- You received this message because you are subscribed to the Google Groups "elasticsearch" group. 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**Author:** ![dadoonet](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dadoonet/32/137187_2.png) [@dadoonet](https://discuss.elastic.co/u/dadoonet)\ **Post date:** [January 27, 2014, 8:06am UTC](https://discuss.elastic.co/t/getting-failed-to-derive-xcontent-when-on--mget-with-source-query-param/15425/6 "2014-01-27T08:06:20Z")
Forget it. It does not work with \_source. Sorry. -- David Pilato | Technical Advocate | [Elasticsearch.com](http://Elasticsearch.com) @dadoonet | @elasticsearchfr Le 27 janvier 2014 at 08:55:57, David Pilato (david@pilato.fr) a écrit: Could you try with \_source instead of source? -- David Pilato | Technical Advocate | [Elasticsearch.com](http://Elasticsearch.com) @dadoonet | @elasticsearchfr Le 27 janvier 2014 at 08:52:37, David Pilato (david@pilato.fr) a écrit: Thanks! Sounds like it's not in code. May be you could open an issue? -- David Pilato | Technical Advocate | [Elasticsearch.com](http://Elasticsearch.com) @dadoonet | @elasticsearchfr Le 27 janvier 2014 at 07:09:11, Nikita Tovstoles ([nikita.tovstoles@gmail.com](mailto:nikita.tovstoles@gmail.com)) a écrit: From the reference docs ;- am I misreading those? (see bottom here: [http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/common-options.html](http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/common-options.html)) On Jan 26, 2014 5:10 PM, "David Pilato" [david@pilato.fr](mailto:david@pilato.fr) wrote: Where did you see that you can use a source parameter? -- David 😉 Twitter : @dadoonet / @elasticsearchfr / @scrutmydocs Le 27 janv. 2014 à 00:17, Nikita Tovstoles [nikita.tovstoles@gmail.com](mailto:nikita.tovstoles@gmail.com) a écrit : ...trying to get docs by ids. works if I POST with body: curl -XPOST [http://localhost:9200/admin/brands/\_mget](http://localhost:9200/admin/brands/_mget) -d '{"ids": ["555"]}' ...but can't get when I move the above body to 'source' query param. is 'source' query param supported for bulk ops? curl -XGET [http://localhost:9200/admin/brands/\_mget?source={"ids"%3A%20["555"]}](http://localhost:9200/admin/brands/_mget?source=%7B%22ids%22%3A%20%5B%22555%22%5D%7D) {"error":"Failed to derive xcontent from org.elasticsearch.common.bytes.BytesArray@0"} thank you, -nikita ## -- You received this message because you are subscribed to the Google Groups "elasticsearch" group. 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**Author:** ![dadoonet](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dadoonet/32/137187_2.png) [@dadoonet](https://discuss.elastic.co/u/dadoonet)\ **Post date:** [January 27, 2014, 8:25am UTC](https://discuss.elastic.co/t/getting-failed-to-derive-xcontent-when-on--mget-with-source-query-param/15425/7 "2014-01-27T08:25:53Z")
Issue opened here: [https://github.com/elasticsearch/elasticsearch/issues/4892](https://github.com/elasticsearch/elasticsearch/issues/4892) -- David Pilato | Technical Advocate | [Elasticsearch.com](http://Elasticsearch.com) @dadoonet | @elasticsearchfr Le 27 janvier 2014 at 09:06:18, David Pilato (david@pilato.fr) a écrit: Forget it. It does not work with \_source. Sorry. -- David Pilato | Technical Advocate | [Elasticsearch.com](http://Elasticsearch.com) @dadoonet | @elasticsearchfr Le 27 janvier 2014 at 08:55:57, David Pilato (david@pilato.fr) a écrit: Could you try with \_source instead of source? -- David Pilato | Technical Advocate | [Elasticsearch.com](http://Elasticsearch.com) @dadoonet | @elasticsearchfr Le 27 janvier 2014 at 08:52:37, David Pilato (david@pilato.fr) a écrit: Thanks! Sounds like it's not in code. May be you could open an issue? -- David Pilato | Technical Advocate | [Elasticsearch.com](http://Elasticsearch.com) @dadoonet | @elasticsearchfr Le 27 janvier 2014 at 07:09:11, Nikita Tovstoles ([nikita.tovstoles@gmail.com](mailto:nikita.tovstoles@gmail.com)) a écrit: From the reference docs ;- am I misreading those? (see bottom here: [http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/common-options.html](http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/common-options.html)) On Jan 26, 2014 5:10 PM, "David Pilato" [david@pilato.fr](mailto:david@pilato.fr) wrote: Where did you see that you can use a source parameter? -- David 😉 Twitter : @dadoonet / @elasticsearchfr / @scrutmydocs Le 27 janv. 2014 à 00:17, Nikita Tovstoles [nikita.tovstoles@gmail.com](mailto:nikita.tovstoles@gmail.com) a écrit : ...trying to get docs by ids. works if I POST with body: curl -XPOST [http://localhost:9200/admin/brands/\_mget](http://localhost:9200/admin/brands/_mget) -d '{"ids": ["555"]}' ...but can't get when I move the above body to 'source' query param. is 'source' query param supported for bulk ops? curl -XGET [http://localhost:9200/admin/brands/\_mget?source={"ids"%3A%20["555"]}](http://localhost:9200/admin/brands/_mget?source=%7B%22ids%22%3A%20%5B%22555%22%5D%7D) {"error":"Failed to derive xcontent from org.elasticsearch.common.bytes.BytesArray@0"} thank you, -nikita ## -- You received this message because you are subscribed to the Google Groups "elasticsearch" group. 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To view this discussion on the web visit [https://groups.google.com/d/msgid/elasticsearch/CAJwaA214r\_XvyUwftsvKea-KNnq%3De%2BzjOKJffXAukesKmWF%3DXg%40mail.gmail.com](https://groups.google.com/d/msgid/elasticsearch/CAJwaA214r_XvyUwftsvKea-KNnq%3De%2BzjOKJffXAukesKmWF%3DXg%40mail.gmail.com). For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out). ## You received this message because you are subscribed to the Google Groups "elasticsearch" group. To unsubscribe from this group and stop receiving emails from it, send an email to [elasticsearch+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com). To view this discussion on the web visit [https://groups.google.com/d/msgid/elasticsearch/etPan.52e61045.74b0dc51.a826%40MacBook-Air-de-David.local](https://groups.google.com/d/msgid/elasticsearch/etPan.52e61045.74b0dc51.a826%40MacBook-Air-de-David.local). 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**Author:** ![Nikita\_Tovstoles](https://avatars.discourse-cdn.com/v4/letter/n/f17d59/32.png) [@Nikita\_Tovstoles](https://discuss.elastic.co/u/Nikita_Tovstoles)\ **Post date:** [January 27, 2014, 4:45pm UTC](https://discuss.elastic.co/t/getting-failed-to-derive-xcontent-when-on--mget-with-source-query-param/15425/8 "2014-01-27T16:45:37Z")
OK thanks, David. I saw you made some commits against that issue - impressive speed. -nikita On Mon, Jan 27, 2014 at 12:25 AM, David Pilato [david@pilato.fr](mailto:david@pilato.fr) wrote: > Issue opened here: > [mget REST API should support source parameter · Issue #4892 · elastic/elasticsearch · GitHub](https://github.com/elasticsearch/elasticsearch/issues/4892) > > -- > _David Pilato_ | _Technical Advocate_ | _[Elasticsearch.com](http://Elasticsearch.com)_ > @dadoonet [https://twitter.com/dadoonet](https://twitter.com/dadoonet) | @elasticsearchfr[https://twitter.com/elasticsearchfr](https://twitter.com/elasticsearchfr) > > Le 27 janvier 2014 at 09:06:18, David Pilato ([david@pilato.fr](mailto:david@pilato.fr)) a écrit: > > Forget it. It does not work with \_source. Sorry. > > ``` > -- > > ``` > > _David Pilato_ | _Technical Advocate_ | _[Elasticsearch.com](http://Elasticsearch.com)_ > @dadoonet [https://twitter.com/dadoonet](https://twitter.com/dadoonet) | @elasticsearchfr[https://twitter.com/elasticsearchfr](https://twitter.com/elasticsearchfr) > > Le 27 janvier 2014 at 08:55:57, David Pilato ([david@pilato.fr](mailto:david@pilato.fr)) a écrit: > > Could you try with \_source instead of source? > > ``` > -- > > ``` > > _David Pilato_ | _Technical Advocate_ | _[Elasticsearch.com](http://Elasticsearch.com)_ > @dadoonet [https://twitter.com/dadoonet](https://twitter.com/dadoonet) | @elasticsearchfr[https://twitter.com/elasticsearchfr](https://twitter.com/elasticsearchfr) > > Le 27 janvier 2014 at 08:52:37, David Pilato ([david@pilato.fr](mailto:david@pilato.fr)) a écrit: > > Thanks! > > Sounds like it's not in code. May be you could open an issue? > > ``` > -- > > ``` > > _David Pilato_ | _Technical Advocate_ | _[Elasticsearch.com](http://Elasticsearch.com)_ > @dadoonet [https://twitter.com/dadoonet](https://twitter.com/dadoonet) | @elasticsearchfr[https://twitter.com/elasticsearchfr](https://twitter.com/elasticsearchfr) > > Le 27 janvier 2014 at 07:09:11, Nikita Tovstoles ( > [nikita.tovstoles@gmail.com](mailto:nikita.tovstoles@gmail.com)) a écrit: > > From the reference docs ;- am I misreading those? (see bottom here: > [Elasticsearch Platform — Find real-time answers at scale | Elastic](http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/common-options.html) > ) > On Jan 26, 2014 5:10 PM, "David Pilato" [david@pilato.fr](mailto:david@pilato.fr) wrote: > > > Where did you see that you can use a source parameter? > > > > -- > > David 😉 > > Twitter : @dadoonet / @elasticsearchfr / @scrutmydocs > > > > Le 27 janv. 2014 à 00:17, Nikita Tovstoles [nikita.tovstoles@gmail.com](mailto:nikita.tovstoles@gmail.com) > > a écrit : > > > > ...trying to get docs by ids. works if I POST with body: > > > > curl -XPOST [http://localhost:9200/admin/brands/\_mget](http://localhost:9200/admin/brands/_mget) -d '{"ids": > > ["555"]}' > > > > ...but can't get when I move the above body to 'source' query param. is > > 'source' query param supported for bulk ops? > > > > curl -XGET > > [http://localhost:9200/admin/brands/\_mget?source={"ids"%3A%20["555"]}](http://localhost:9200/admin/brands/_mget?source=%7B%22ids%22%3A%20%5B%22555%22%5D%7D) > > > > {"error":"Failed to derive xcontent from > > org.elasticsearch.common.bytes.BytesArray@0"} > > > > thank you, > > > > ## -nikita > > > > ## You received this message because you are subscribed to the Google Groups "elasticsearch" group. 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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\ **Post date:** [July 6, 2017, 1:54am UTC](https://discuss.elastic.co/t/getting-failed-to-derive-xcontent-when-on--mget-with-source-query-param/15425/9 "2017-07-06T01:54:33Z")