# \[Novice\] - Serizalization error

**URL:** <https://discuss.elastic.co/t/novice-serizalization-error/14014>\
**Category:** Elasticsearch\
**Created:** [October 18, 2013, 11:51am UTC](https://discuss.elastic.co/t/novice-serizalization-error/14014 "2013-10-18T11:51:48Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Toni\_Alfirevic](https://avatars.discourse-cdn.com/v4/letter/t/a4c791/32.png) [@Toni\_Alfirevic](https://discuss.elastic.co/u/Toni_Alfirevic)\
**Post date:** [October 18, 2013, 11:51am UTC](https://discuss.elastic.co/t/novice-serizalization-error/14014/1 "2013-10-18T11:51:48Z")

</div>

Hello,

so I've just started today with elasticsearch and here is a problem that  
I've come across.

(I found no way to beautify this code...)

[2013-10-18 13:42:03,533][DEBUG][action.index] [unicorv17]  
[toni.alfirevic§[gmail.com](http://gmail.com)][4], node[lKOFQ\_VDTvS4GhmgIU8ECA], [P],  
s[STARTED]: Failed to execute [index  
{[ivan.bernatovic§corvus.hr][logmessages][Hq2p4hE2TEWKnCQjz9rdEw], source[{  
"logDate": "2013-10-18T11:42:04.7924333Z",  
"message": "Failed Index Insert",  
"descriptors": {  
"Serialized object:":  
"{"LogDate":"2013-10-18T11:42:04.7924333Z","Message":"User Addresses  
view -  
load","Descriptors":{"HttpContext":["USER\_DATA","ExistingIndices","UserName","XXXXX\_XXXX","PhysicalUserSignedContract"]}}"  
}  
}]}]  
org.elasticsearch.index.mapper.MapperParsingException: failed to parse  
[descriptors]  
at  
org.elasticsearch.index.mapper.core.AbstractFieldMapper.parse(AbstractFieldMapper.java:396)  
at  
org.elasticsearch.index.mapper.object.ObjectMapper.serializeObject(ObjectMapper.java:515)  
at  
org.elasticsearch.index.mapper.object.ObjectMapper.parse(ObjectMapper.java:457)  
at  
org.elasticsearch.index.mapper.DocumentMapper.parse(DocumentMapper.java:508)  
at  
org.elasticsearch.index.mapper.DocumentMapper.parse(DocumentMapper.java:452)  
at  
org.elasticsearch.index.shard.service.InternalIndexShard.prepareCreate(InternalIndexShard.java:320)  
at  
org.elasticsearch.action.index.TransportIndexAction.shardOperationOnPrimary(TransportIndexAction.java:211)  
at  
org.elasticsearch.action.support.replication.TransportShardReplicationOperationAction$AsyncShardOperationAction.performOnPrimary(TransportShardReplicationOperationAction.java:533)  
at  
org.elasticsearch.action.support.replication.TransportShardReplicationOperationAction$AsyncShardOperationAction$1.run(TransportShardReplicationOperationAction.java:418)  
at  
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)  
at  
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)  
at java.lang.Thread.run(Thread.java:679)  
Caused by: org.elasticsearch.ElasticSearchIllegalArgumentException: unknown  
property [Serialized object:]  
at  
org.elasticsearch.index.mapper.core.StringFieldMapper.parseCreateField(StringFieldMapper.java:280)  
at  
org.elasticsearch.index.mapper.core.AbstractFieldMapper.parse(AbstractFieldMapper.java:385)  
... 11 more

I have not created any mappings yet...

Any direction will be appreciated

ES: Version is 0.90.5  
JAVA: [root@devred logs]# java -d64 -version  
java version "1.6.0\_24"  
OpenJDK Runtime Environment (IcedTea6 1.11.11)  
(rhel-1.61.1.11.11.el6\_4-x86\_64)  
OpenJDK 64-Bit Server VM (build 20.0-b12, mixed mode)

Also, should I be using newer java version?

Cheers,  
T.

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---

<div class="post-metadata">

**Author:** ![jprante](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/jprante/32/44941_2.png) [@jprante](https://discuss.elastic.co/u/jprante)\
**Post date:** [October 18, 2013, 3:33pm UTC](https://discuss.elastic.co/t/novice-serizalization-error/14014/2 "2013-10-18T15:33:54Z")

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1. You can not use "Serialized Object:" as a field name. Use  
"SerializedObject" (no space, no colon)

2. Yes, use Java 7.

Jörg

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<div class="post-metadata">

**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, 2:11am UTC](https://discuss.elastic.co/t/novice-serizalization-error/14014/3 "2017-07-06T02:11:43Z")

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