# DocumentMissingException on bulk update **URL:** \ **Category:** Elasticsearch\ **Created:** [December 4, 2017, 5:13pm UTC](https://discuss.elastic.co/t/documentmissingexception-on-bulk-update/110186 "2017-12-04T17:13:24Z")\ **Posts on this page:** 2\ **Page:** 1
**Author:** ![matw](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/matw/32/13913_2.png) [@matw](https://discuss.elastic.co/u/matw)\ **Post date:** [December 4, 2017, 5:13pm UTC](https://discuss.elastic.co/t/documentmissingexception-on-bulk-update/110186/1 "2017-12-04T17:13:24Z")
On 2 identical installations of elastic search (5.6.1, single instance, 7 GB of HEAP, 16GB Memory, 8 core) i got a DocumentMissingException from time to time the setup is redis -\> logstash -\> elasticsearch recently, one of the machines had lots of DocumentMissingExceptions in the log how can i debug this? what is causing this exceptions? might this be a problem with storage? Adding Memory + CPU was no solution here's one exception for example: ``` [2017-12-04T09:46:48,956][DEBUG][o.e.a.b.TransportShardBulkAction] [node-1] [default-correlation-calls-2017.12.04][0] failed to execute bulk item (update) BulkShardRequest [[default-correlation-calls-2017.12.04][0]] containing [121] requests org.elasticsearch.index.engine.DocumentMissingException: [call][1512368178:134348487]: document missing at org.elasticsearch.action.update.UpdateHelper.prepare(UpdateHelper.java:93) ~[elasticsearch-5.6.1.jar:5.6.1] at org.elasticsearch.action.update.UpdateHelper.prepare(UpdateHelper.java:82) ~[elasticsearch-5.6.1.jar:5.6.1] at org.elasticsearch.action.bulk.TransportShardBulkAction.executeUpdateRequest(TransportShardBulkAction.java:277) ~[elasticsearch-5.6.1.jar:5.6.1] at org.elasticsearch.action.bulk.TransportShardBulkAction.executeBulkItemRequest(TransportShardBulkAction.java:162) [elasticsearch-5.6.1.jar:5.6.1] at org.elasticsearch.action.bulk.TransportShardBulkAction.shardOperationOnPrimary(TransportShardBulkAction.java:115) [elasticsearch-5.6.1.jar:5.6.1] at org.elasticsearch.action.bulk.TransportShardBulkAction.shardOperationOnPrimary(TransportShardBulkAction.java:70) [elasticsearch-5.6.1.jar:5.6.1] at org.elasticsearch.action.support.replication.TransportReplicationAction$PrimaryShardReference.perform(TransportReplicationAction.java:975) [elasticsearch-5.6.1.jar:5.6.1] at org.elasticsearch.action.support.replication.TransportReplicationAction$PrimaryShardReference.perform(TransportReplicationAction.java:944) [elasticsearch-5.6.1.jar:5.6.1] at org.elasticsearch.action.support.replication.ReplicationOperation.execute(ReplicationOperation.java:113) [elasticsearch-5.6.1.jar:5.6.1] at org.elasticsearch.action.support.replication.TransportReplicationAction$AsyncPrimaryAction.onResponse(TransportReplicationAction.java:345) [elasticsearch-5.6.1.jar:5.6.1] at org.elasticsearch.action.support.replication.TransportReplicationAction$AsyncPrimaryAction.onResponse(TransportReplicationAction.java:270) [elasticsearch-5.6.1.jar:5.6.1] at org.elasticsearch.action.support.replication.TransportReplicationAction$1.onResponse(TransportReplicationAction.java:924) [elasticsearch-5.6.1.jar:5.6.1] at org.elasticsearch.action.support.replication.TransportReplicationAction$1.onResponse(TransportReplicationAction.java:921) [elasticsearch-5.6.1.jar:5.6.1] at org.elasticsearch.index.shard.IndexShardOperationsLock.acquire(IndexShardOperationsLock.java:151) [elasticsearch-5.6.1.jar:5.6.1] at org.elasticsearch.index.shard.IndexShard.acquirePrimaryOperationLock(IndexShard.java:1659) [elasticsearch-5.6.1.jar:5.6.1] at ``` ... ---
**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\ **Post date:** [January 1, 2018, 5:13pm UTC](https://discuss.elastic.co/t/documentmissingexception-on-bulk-update/110186/2 "2018-01-01T17:13:28Z")
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