[doc][xxxxx], source[n/a, actual length: [5.1kb], max length: 2kb]}]

liweigao · May 3, 2018, 10:01am

Hello Everyone, I have a trouble.
This is my logs

[2018-05-03T16:47:04,105][DEBUG][o.e.a.b.TransportShardBulkAction] [sc_cms_api-2018.05.03][4] failed to execute bulk item (index) BulkShardRequest [[sc_cms_api-2018.05.03][4]] containing [index {[sc_cms_api-2018.05.03][doc][NXYuJWMBc68fiDfs88Wm], source[n/a, actual length: [5.1kb], max length: 2kb]}] org.elasticsearch.index.mapper.MapperParsingException: failed to parse [data.star] at org.elasticsearch.index.mapper.FieldMapper.parse(FieldMapper.java:302) ~[elasticsearch-6.2.3.jar:6.2.3] at org.elasticsearch.index.mapper.DocumentParser.parseObjectOrField(DocumentParser.java:485) ~[elasticsearch-6.2.3.jar:6.2.3] at org.elasticsearch.index.mapper.DocumentParser.parseObject(DocumentParser.java:500) ~[elasticsearch-6.2.3.jar:6.2.3] at org.elasticsearch.index.mapper.DocumentParser.parseNonDynamicArray(DocumentParser.java:584) ~[elasticsearch-6.2.3.jar:6.2.3] at org.elasticsearch.index.mapper.DocumentParser.parseArray(DocumentParser.java:542) ~[elasticsearch-6.2.3.jar:6.2.3] at org.elasticsearch.index.mapper.DocumentParser.innerParseObject(DocumentParser.java:396) ~[elasticsearch-6.2.3.jar:6.2.3] at org.elasticsearch.index.mapper.DocumentParser.parseObjectOrNested(DocumentParser.java:384) ~[elasticsearch-6.2.3.jar:6.2.3] at org.elasticsearch.index.mapper.DocumentParser.parseObjectOrField(DocumentParser.java:482) ~[elasticsearch-6.2.3.jar:6.2.3] at org.elasticsearch.index.mapper.DocumentParser.parseObject(DocumentParser.java:500) ~[elasticsearch-6.2.3.jar:6.2.3] at org.elasticsearch.index.mapper.DocumentParser.innerParseObject(DocumentParser.java:394) ~[elasticsearch-6.2.3.jar:6.2.3] at org.elasticsearch.index.mapper.DocumentParser.parseObjectOrNested(DocumentParser.java:384) ~[elasticsearch-6.2.3.jar:6.2.3] at org.elasticsearch.index.mapper.DocumentParser.internalParseDocument(DocumentParser.java:93) ~[elasticsearch-6.2.3.jar:6.2.3] at org.elasticsearch.index.mapper.DocumentParser.parseDocument(DocumentParser.java:67) ~[elasticsearch-6.2.3.jar:6.2.3] at org.elasticsearch.index.mapper.DocumentMapper.parse(DocumentMapper.java:261) ~[elasticsearch-6.2.3.jar:6.2.3] at org.elasticsearch.index.shard.IndexShard.prepareIndex(IndexShard.java:714) ~[elasticsearch-6.2.3.jar:6.2.3] at org.elasticsearch.index.shard.IndexShard.applyIndexOperation(IndexShard.java:692) ~[elasticsearch-6.2.3.jar:6.2.3] at org.elasticsearch.index.shard.IndexShard.applyIndexOperationOnPrimary(IndexShard.java:673) ~[elasticsearch-6.2.3.jar:6.2.3] at org.elasticsearch.action.bulk.TransportShardBulkAction.executeIndexRequestOnPrimary(TransportShardBulkAction.java:548) ~[elasticsearch-6.2.3.jar:6.2.3] at org.elasticsearch.action.bulk.TransportShardBulkAction.executeIndexRequest(TransportShardBulkAction.java:140) ~[elasticsearch-6.2.3.jar:6.2.3] at org.elasticsearch.action.bulk.TransportShardBulkAction.executeBulkItemRequest(TransportShardBulkAction.java:236) ~[elasticsearch-6.2.3.jar:6.2.3] at org.elasticsearch.action.bulk.TransportShardBulkAction.performOnPrimary(TransportShardBulkAction.java:123) ~[elasticsearch-6.2.3.jar:6.2.3] at org.elasticsearch.action.bulk.TransportShardBulkAction.shardOperationOnPrimary(TransportShardBulkAction.java:110) ~[elasticsearch-6.2.3.jar:6.2.3] at org.elasticsearch.action.bulk.TransportShardBulkAction.shardOperationOnPrimary(TransportShardBulkAction.java:72) ~[elasticsearch-6.2.3.jar:6.2.3] at org.elasticsearch.action.support.replication.TransportReplicationAction$PrimaryShardReference.perform(TransportReplicationAction.java:1034) ~[elasticsearch-6.2.3.jar:6.2.3] at org.elasticsearch.action.support.replication.TransportReplicationAction$PrimaryShardReference.perform(TransportReplicationAction.java:1012) ~[elasticsearch-6.2.3.jar:6.2.3] at org.elasticsearch.action.support.replication.ReplicationOperation.execute(ReplicationOperation.java:103) ~[elasticsearch-6.2.3.jar:6.2.3] ... Caused by: java.lang.IllegalStateException: Can't get text on a START_OBJECT at 1:4018 at org.elasticsearch.common.xcontent.json.JsonXContentParser.text(JsonXContentParser.java:85) ~[elasticsearch-6.2.3.jar:6.2.3] at org.elasticsearch.common.xcontent.support.AbstractXContentParser.textOrNull(AbstractXContentParser.java:237) ~[elasticsearch-6.2.3.jar:6.2.3] at org.elasticsearch.index.mapper.TextFieldMapper.parseCreateField(TextFieldMapper.java:345) ~[elasticsearch-6.2.3.jar:6.2.3] at org.elasticsearch.index.mapper.FieldMapper.parse(FieldMapper.java:297) ~[elasticsearch-6.2.3.jar:6.2.3] ... 63 more

Some of the data I have found are of type errors. Some say there is a length limit. From the log, it is too long. Is there any restriction on elasticsearch?
help! thanks.

polyfractal · May 3, 2018, 4:07pm

Hm, I think it's some kind of parsing issue with the document. Do you have a copy of a doc that causes this problem? This exception:

Can't get text on a START_OBJECT

Makes me think there is something malformed about the JSON. The exception about length is a red herring; when an IndexRequest is turned into a string for logging purposes, there's a limit on how large that string can be:

github.com

elastic/elasticsearch/blob/master/server/src/main/java/org/elasticsearch/action/index/IndexRequest.java#L562-L575


public String toString() {
    String sSource = "_na_";
    try {
        if (source.length() > MAX_SOURCE_LENGTH_IN_TOSTRING) {
            sSource = "n/a, actual length: [" + new ByteSizeValue(source.length()).toString() + "], max length: " +
                new ByteSizeValue(MAX_SOURCE_LENGTH_IN_TOSTRING).toString();
        } else {
            sSource = XContentHelper.convertToJson(source, false);
        }
    } catch (Exception e) {
        // ignore
    }
    return "index {[" + index + "][" + type + "][" + id + "], source[" + sSource + "]}";
}

That's just a safety feature, to prevent 100mb documents/bulk requests from blowing out the log with gigabytes of text as it serializes the entire document. It also saves a bunch of heap memory.

So you can ignore that exception, I think the real issue is that "Can't get text" exception.

liweigao · May 4, 2018, 2:32am

Thank you for your reply. I have found the problem. I did not specify mapping. The default text of the field is longer than the length.

system · June 1, 2018, 2:39am

This topic was automatically closed 28 days after the last reply. New replies are no longer allowed.

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[doc][xxxxx], source[n/a, actual length: [5.1kb], max length: 2kb]}]

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