source[n/a, actual length: [8.5kb], max length: 2kb]该怎么解决

{"type": "server", "timestamp": "2020-04-07T08:16:34,941Z", "level": "DEBUG", "component": "o.e.a.b.TransportShardBulkAction", "cluster.name": "es", "node.name": "node01", "message": "[article][0] failed to execute bulk item (index) index {[article][_doc][1], source[n/a, actual length: [8.5kb], max length: 2kb]}", "cluster.uuid": "TQU9L3Q9Q6uKR8f4GM7cOg", "node.id": "kXC_EL1RRh-ZHUsvDj6JMw" , 

"stacktrace": ["java.lang.NullPointerException: null",

"at org.wltea.analyzer.dic.Dictionary.matchInQuantifierDict(Dictionary.java:358) ~[?:?]",

"at org.wltea.analyzer.core.CN_QuantifierSegmenter.processCount(CN_QuantifierSegmenter.java:175) ~[?:?]",

"at org.wltea.analyzer.core.CN_QuantifierSegmenter.analyze(CN_QuantifierSegmenter.java:83) ~[?:?]",

"at org.wltea.analyzer.core.IKSegmenter.next(IKSegmenter.java:113) ~[?:?]",

"at org.wltea.analyzer.lucene.IKTokenizer.incrementToken(IKTokenizer.java:88) ~[?:?]",

"at org.elasticsearch.index.analysis.PinyinTokenFilter.incrementToken(PinyinTokenFilter.java:81) ~[?:?]",

"at org.apache.lucene.analysis.miscellaneous.WordDelimiterFilter.incrementToken(WordDelimiterFilter.java:249) ~[lucene-analyzers-common-8.2.0.jar:8.2.0 31d7ec7bbfdcd2c4cc61d9d35e962165410b65fe - ivera - 2019-07-19 15:06:30]",

"at org.apache.lucene.index.DefaultIndexingChain$PerField.invert(DefaultIndexingChain.java:812) ~[lucene-core-8.2.0.jar:8.2.0 31d7ec7bbfdcd2c4cc61d9d35e962165410b65fe - ivera - 2019-07-19 15:05:56]",

"at org.apache.lucene.index.DefaultIndexingChain.processField(DefaultIndexingChain.java:442) ~[lucene-core-8.2.0.jar:8.2.0 31d7ec7bbfdcd2c4cc61d9d35e962165410b65fe - ivera - 2019-07-19 15:05:56]",

"at org.apache.lucene.index.DefaultIndexingChain.processDocument(DefaultIndexingChain.java:406) ~[lucene-core-8.2.0.jar:8.2.0 31d7ec7bbfdcd2c4cc61d9d35e962165410b65fe - ivera - 2019-07-19 15:05:56]",

"at org.apache.lucene.index.DocumentsWriterPerThread.updateDocument(DocumentsWriterPerThread.java:250) ~[lucene-core-8.2.0.jar:8.2.0 31d7ec7bbfdcd2c4cc61d9d35e962165410b65fe - ivera - 2019-07-19 15:05:56]",

"at org.apache.lucene.index.DocumentsWriter.updateDocument(DocumentsWriter.java:495) ~[lucene-core-8.2.0.jar:8.2.0 31d7ec7bbfdcd2c4cc61d9d35e962165410b65fe - ivera - 2019-07-19 15:05:56]",

"at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1594) ~[lucene-core-8.2.0.jar:8.2.0 31d7ec7bbfdcd2c4cc61d9d35e962165410b65fe - ivera - 2019-07-19 15:05:56]",

"at org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:1213) ~[lucene-core-8.2.0.jar:8.2.0 31d7ec7bbfdcd2c4cc61d9d35e962165410b65fe - ivera - 2019-07-19 15:05:56]",

"at org.elasticsearch.index.engine.InternalEngine.addDocs(InternalEngine.java:1138) ~[elasticsearch-7.4.2.jar:7.4.2]",

"at org.elasticsearch.index.engine.InternalEngine.indexIntoLucene(InternalEngine.java:1075) ~[elasticsearch-7.4.2.jar:7.4.2]",

"at org.elasticsearch.index.engine.InternalEngine.index(InternalEngine.java:911) ~[elasticsearch-7.4.2.jar:7.4.2]",

"at org.elasticsearch.index.shard.IndexShard.index(IndexShard.java:796) ~[elasticsearch-7.4.2.jar:7.4.2]",

"at org.elasticsearch.index.shard.IndexShard.applyIndexOperation(IndexShard.java:768) ~[elasticsearch-7.4.2.jar:7.4.2]",

"at org.elasticsearch.index.shard.IndexShard.applyIndexOperationOnPrimary(IndexShard.java:725) ~[elasticsearch-7.4.2.jar:7.4.2]",

"at org.elasticsearch.action.bulk.TransportShardBulkAction.executeBulkItemRequest(TransportShardBulkAction.java:258) [elasticsearch-7.4.2.jar:7.4.2]",

"at org.elasticsearch.action.bulk.TransportShardBulkAction$2.doRun(TransportShardBulkAction.java:161) [elasticsearch-7.4.2.jar:7.4.2]",

"at org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:37) [elasticsearch-7.4.2.jar:7.4.2]",

"at org.elasticsearch.action.bulk.TransportShardBulkAction.performOnPrimary(TransportShardBulkAction.java:193) [elasticsearch-7.4.2.jar:7.4.2]",

"at org.elasticsearch.action.bulk.TransportShardBulkAction.shardOperationOnPrimary(TransportShardBulkAction.java:118) [elasticsearch-7.4.2.jar:7.4.2]",

"at org.elasticsearch.action.bulk.TransportShardBulkAction.shardOperationOnPrimary(TransportShardBulkAction.java:79) [elasticsearch-7.4.2.jar:7.4.2]",

"at org.elasticsearch.action.support.replication.TransportReplicationAction$PrimaryShardReference.perform(TransportReplicationAction.java:917) [elasticsearch-7.4.2.jar:7.4.2]",

"at org.elasticsearch.action.support.replication.ReplicationOperation.execute(ReplicationOperation.java:108) [elasticsearch-7.4.2.jar:7.4.2]",

"at org.elasticsearch.action.support.replication.TransportReplicationAction$AsyncPrimaryAction.runWithPrimaryShardReference(TransportReplicationAction.java:394) [elasticsearch-7.4.2.jar:7.4.2]",

"at org.elasticsearch.action.support.replication.TransportReplicationAction$AsyncPrimaryAction.lambda$doRun$0(TransportReplicationAction.java:316) [elasticsearch-7.4.2.jar:7.4.2]",

"at org.elasticsearch.action.ActionListener$1.onResponse(ActionListener.java:62) [elasticsearch-7.4.2.jar:7.4.2]",

"at org.elasticsearch.index.shard.IndexShard.lambda$wrapPrimaryOperationPermitListener$21(IndexShard.java:2753) [elasticsearch-7.4.2.jar:7.4.2]",

"at org.elasticsearch.action.ActionListener$3.onResponse(ActionListener.java:112) [elasticsearch-7.4.2.jar:7.4.2]",

"at org.elasticsearch.index.shard.IndexShardOperationPermits.acquire(IndexShardOperationPermits.java:285) [elasticsearch-7.4.2.jar:7.4.2]",

"at org.elasticsearch.index.shard.IndexShardOperationPermits.acquire(IndexShardOperationPermits.java:237) [elasticsearch-7.4.2.jar:7.4.2]",

"at org.elasticsearch.index.shard.IndexShard.acquirePrimaryOperationPermit(IndexShard.java:2727) [elasticsearch-7.4.2.jar:7.4.2]",

"at org.elasticsearch.action.support.replication.TransportReplicationAction.acquirePrimaryOperationPermit(TransportReplicationAction.java:858) [elasticsearch-7.4.2.jar:7.4.2]",

"at org.elasticsearch.action.support.replication.TransportReplicationAction$AsyncPrimaryAction.doRun(TransportReplicationAction.java:312) [elasticsearch-7.4.2.jar:7.4.2]",

"at org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:37) [elasticsearch-7.4.2.jar:7.4.2]",

"at org.elasticsearch.action.support.replication.TransportReplicationAction.handlePrimaryRequest(TransportReplicationAction.java:275) [elasticsearch-7.4.2.jar:7.4.2]",

"at org.elasticsearch.xpack.security.transport.SecurityServerTransportInterceptor$ProfileSecuredRequestHandler$1.doRun(SecurityServerTransportInterceptor.java:257) [x-pack-security-7.4.2.jar:7.4.2]",

"at org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:37) [elasticsearch-7.4.2.jar:7.4.2]",

"at org.elasticsearch.xpack.security.transport.SecurityServerTransportInterceptor$ProfileSecuredRequestHandler.messageReceived(SecurityServerTransportInterceptor.java:315) [x-pack-security-7.4.2.jar:7.4.2]",

"at org.elasticsearch.transport.RequestHandlerRegistry.processMessageReceived(RequestHandlerRegistry.java:63) [elasticsearch-7.4.2.jar:7.4.2]",

"at org.elasticsearch.transport.TransportService$7.doRun(TransportService.java:752) [elasticsearch-7.4.2.jar:7.4.2]",

"at org.elasticsearch.common.util.concurrent.ThreadContext$ContextPreservingAbstractRunnable.doRun(ThreadContext.java:773) [elasticsearch-7.4.2.jar:7.4.2]",

"at org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:37) [elasticsearch-7.4.2.jar:7.4.2]",

"at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) [?:?]",

"at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) [?:?]",

"at java.lang.Thread.run(Thread.java:830) [?:?]"] }