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top_hits fails with Null Pointer Exception when child of random_sampler agg #110134

Closed
#116957
Closed
top_hits fails with Null Pointer Exception when child of random_sampler agg#110134
#116957
Labels
:Analytics/AggregationsAggregations:mlMachine learning>bugTeam:AnalyticsMeta label for analytical engine team (ESQL/Aggs/Geo)Team:MLMeta label for the ML team
@benwtrent

Description

@benwtrent
benwtrent
opened on Jun 25, 2024

Elasticsearch Version

any

Installed Plugins

No response

Java Version

bundled

OS Version

any

Problem Description

When I use the top_hits aggregation as a child of a random_sampler aggregation, it triggers a shard request failure with an NPE. It only throws an NPE when sort is not defined - if I add it (e.g. { "sort": { "@timestamp": "desc" } }) it returns results.

Steps to Reproduce

GET logs-*/_search
{
  "track_total_hits": false,
  "size": 0,
  "query": {
    "bool": {
      "filter": [
        {
          "range": {
            "@timestamp": {
              "gte": "now-30s"
            }
          }
        }
      ]
    }
  },
  "aggs": {
    "message": {
      "categorize_text": {
        "size": 6,
        "field": "message"
      },
      "aggs": {
        "samples": {
          "top_hits": {
            "size": 1,
            "_source": [
              "message"
            ]
          }
        }
      }
    }
  }
}

Logs (if relevant)

Details 
{
  "error": {
    "root_cause": [
      {
        "type": "null_pointer_exception",
        "reason": """Cannot invoke "org.apache.lucene.search.Scorable.score()" because "this.scorer" is null""",
        "stack_trace": """org.elasticsearch.ElasticsearchException$1: Cannot invoke "org.apache.lucene.search.Scorable.score()" because "this.scorer" is null
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.ElasticsearchException.guessRootCauses(ElasticsearchException.java:704)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.action.search.SearchPhaseExecutionException.guessRootCauses(SearchPhaseExecutionException.java:160)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.ElasticsearchException.guessRootCauses(ElasticsearchException.java:686)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.ElasticsearchException.generateFailureXContent(ElasticsearchException.java:632)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.rest.RestResponse.build(RestResponse.java:186)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.rest.RestResponse.<init>(RestResponse.java:145)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.rest.RestResponse.<init>(RestResponse.java:116)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.rest.action.RestActionListener.onFailure(RestActionListener.java:53)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.rest.action.RestCancellableNodeClient$1.onFailure(RestCancellableNodeClient.java:96)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.tasks.TaskManager$1.onFailure(TaskManager.java:214)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.action.ActionListenerImplementations.safeAcceptException(ActionListenerImplementations.java:62)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.action.ActionListenerImplementations.safeOnFailure(ActionListenerImplementations.java:73)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.action.DelegatingActionListener.onFailure(DelegatingActionListener.java:31)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.action.ActionListenerImplementations$RunBeforeActionListener.onFailure(ActionListenerImplementations.java:317)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.action.ActionListenerImplementations.safeAcceptException(ActionListenerImplementations.java:62)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.action.ActionListenerImplementations.safeOnFailure(ActionListenerImplementations.java:73)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.action.DelegatingActionListener.onFailure(DelegatingActionListener.java:31)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.action.support.ContextPreservingActionListener.onFailure(ContextPreservingActionListener.java:39)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.action.ActionListenerImplementations.safeAcceptException(ActionListenerImplementations.java:62)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.action.ActionListenerImplementations.safeOnFailure(ActionListenerImplementations.java:73)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.action.DelegatingActionListener.onFailure(DelegatingActionListener.java:31)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.action.ActionListenerImplementations.safeAcceptException(ActionListenerImplementations.java:62)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.action.ActionListenerImplementations.safeOnFailure(ActionListenerImplementations.java:73)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.action.DelegatingActionListener.onFailure(DelegatingActionListener.java:31)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.action.ActionListenerImplementations.safeAcceptException(ActionListenerImplementations.java:62)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.action.ActionListenerImplementations.safeOnFailure(ActionListenerImplementations.java:73)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.action.DelegatingActionListener.onFailure(DelegatingActionListener.java:31)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.action.ActionListenerImplementations$RunAfterActionListener.onFailure(ActionListenerImplementations.java:278)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.action.search.AbstractSearchAsyncAction.raisePhaseFailure(AbstractSearchAsyncAction.java:747)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.action.search.AbstractSearchAsyncAction.onPhaseFailure(AbstractSearchAsyncAction.java:724)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.action.search.AbstractSearchAsyncAction.executeNextPhase(AbstractSearchAsyncAction.java:416)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.action.search.AbstractSearchAsyncAction.onPhaseDone(AbstractSearchAsyncAction.java:756)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.action.search.AbstractSearchAsyncAction.onShardFailure(AbstractSearchAsyncAction.java:509)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.action.search.AbstractSearchAsyncAction$1.onFailure(AbstractSearchAsyncAction.java:337)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.action.ActionListenerImplementations.safeAcceptException(ActionListenerImplementations.java:62)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.action.ActionListenerImplementations.safeOnFailure(ActionListenerImplementations.java:73)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.action.DelegatingActionListener.onFailure(DelegatingActionListener.java:31)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.action.ActionListenerResponseHandler.handleException(ActionListenerResponseHandler.java:53)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.action.search.SearchTransportService$ConnectionCountingHandler.handleException(SearchTransportService.java:672)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.transport.TransportService$UnregisterChildTransportResponseHandler.handleException(TransportService.java:1766)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.transport.TransportService$ContextRestoreResponseHandler.handleException(TransportService.java:1490)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.transport.InboundHandler.doHandleException(InboundHandler.java:474)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.transport.InboundHandler.handleException(InboundHandler.java:461)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.transport.InboundHandler.handlerResponseError(InboundHandler.java:452)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.transport.InboundHandler.executeResponseHandler(InboundHandler.java:146)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.transport.InboundHandler.messageReceived(InboundHandler.java:123)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.transport.InboundHandler.inboundMessage(InboundHandler.java:97)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.transport.TcpTransport.inboundMessage(TcpTransport.java:821)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.transport.InboundPipeline.forwardFragments(InboundPipeline.java:124)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.transport.InboundPipeline.doHandleBytes(InboundPipeline.java:96)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.transport.InboundPipeline.handleBytes(InboundPipeline.java:61)
	at org.elasticsearch.transport.netty4@8.15.0-SNAPSHOT/org.elasticsearch.transport.netty4.Netty4MessageInboundHandler.channelRead(Netty4MessageInboundHandler.java:57)
	at io.netty.transport@4.1.109.Final/io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
	at io.netty.transport@4.1.109.Final/io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
	at io.netty.transport@4.1.109.Final/io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
	at io.netty.codec@4.1.109.Final/io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
	at io.netty.transport@4.1.109.Final/io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
	at io.netty.transport@4.1.109.Final/io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
	at io.netty.transport@4.1.109.Final/io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
	at io.netty.handler@4.1.109.Final/io.netty.handler.ssl.SslHandler.unwrap(SslHandler.java:1475)
	at io.netty.handler@4.1.109.Final/io.netty.handler.ssl.SslHandler.decodeJdkCompatible(SslHandler.java:1338)
	at io.netty.handler@4.1.109.Final/io.netty.handler.ssl.SslHandler.decode(SslHandler.java:1387)
	at io.netty.codec@4.1.109.Final/io.netty.handler.codec.ByteToMessageDecoder.decodeRemovalReentryProtection(ByteToMessageDecoder.java:530)
	at io.netty.codec@4.1.109.Final/io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:469)
	at io.netty.codec@4.1.109.Final/io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:290)
	at io.netty.transport@4.1.109.Final/io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
	at io.netty.transport@4.1.109.Final/io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
	at io.netty.transport@4.1.109.Final/io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
	at io.netty.transport@4.1.109.Final/io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
	at io.netty.transport@4.1.109.Final/io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
	at io.netty.transport@4.1.109.Final/io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
	at io.netty.transport@4.1.109.Final/io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
	at io.netty.transport@4.1.109.Final/io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:166)
	at io.netty.transport@4.1.109.Final/io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:788)
	at io.netty.transport@4.1.109.Final/io.netty.channel.nio.NioEventLoop.processSelectedKeysPlain(NioEventLoop.java:689)
	at io.netty.transport@4.1.109.Final/io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:652)
	at io.netty.transport@4.1.109.Final/io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:562)
	at io.netty.common@4.1.109.Final/io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
	at io.netty.common@4.1.109.Final/io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
	at java.base/java.lang.Thread.run(Thread.java:1570)
Caused by: java.lang.NullPointerException: Cannot invoke "org.apache.lucene.search.Scorable.score()" because "this.scorer" is null
	at org.apache.lucene.search.TopScoreDocCollector$SimpleTopScoreDocCollector$1.collect(TopScoreDocCollector.java:72)
	at org.elasticsearch.search.aggregations.metrics.TopHitsAggregator$1.collect(TopHitsAggregator.java:158)
	at org.elasticsearch.search.aggregations.bucket.BucketsAggregator.collectBucket(BucketsAggregator.java:90)
	at org.elasticsearch.xpack.ml.aggs.categorization.CategorizeTextAggregator$1.processTokenStream(CategorizeTextAggregator.java:204)
	at org.elasticsearch.xpack.ml.aggs.categorization.CategorizeTextAggregator$1.collectFromSource(CategorizeTextAggregator.java:180)
	at org.elasticsearch.xpack.ml.aggs.categorization.CategorizeTextAggregator$1.collect(CategorizeTextAggregator.java:163)
	at org.elasticsearch.search.aggregations.bucket.BucketsAggregator.collectExistingBucket(BucketsAggregator.java:98)
	at org.elasticsearch.search.aggregations.bucket.sampler.random.RandomSamplerAggregator$1.collect(RandomSamplerAggregator.java:108)
	at org.elasticsearch.search.aggregations.LeafBucketCollector.collect(LeafBucketCollector.java:86)
	at org.apache.lucene.search.FilterLeafCollector.collect(FilterLeafCollector.java:42)
	at org.apache.lucene.search.MatchAllDocsQuery$1$1.score(MatchAllDocsQuery.java:63)
	at org.apache.lucene.search.ConstantScoreQuery$ConstantBulkScorer.score(ConstantScoreQuery.java:99)
	at org.elasticsearch.search.internal.CancellableBulkScorer.score(CancellableBulkScorer.java:45)
	at org.apache.lucene.search.BulkScorer.score(BulkScorer.java:38)
	at org.elasticsearch.search.internal.ContextIndexSearcher.searchLeaf(ContextIndexSearcher.java:436)
	at org.elasticsearch.search.internal.ContextIndexSearcher.search(ContextIndexSearcher.java:365)
	at org.elasticsearch.search.internal.ContextIndexSearcher.lambda$search$3(ContextIndexSearcher.java:350)
	at org.apache.lucene.search.TaskExecutor$TaskGroup.lambda$createTask$0(TaskExecutor.java:117)
	at java.util.concurrent.FutureTask.run(FutureTask.java:317)
	at org.elasticsearch.common.util.concurrent.TimedRunnable.doRun(TimedRunnable.java:33)
	at org.elasticsearch.common.util.concurrent.ThreadContext$ContextPreservingAbstractRunnable.doRun(ThreadContext.java:984)
	at org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:26)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
	at java.lang.Thread.run(Thread.java:1570)
"""
      }
    ],
    "type": "search_phase_execution_exception",
    "reason": "all shards failed",
    "phase": "query",
    "grouped": true,
    "failed_shards": [
      {
        "shard": 0,
        "index": ".ds-logs-foo-default-2024.06.25-000001",
        "node": "zVlBFBb8QqSNzSPZgqKNfg",
        "reason": {
          "type": "null_pointer_exception",
          "reason": """Cannot invoke "org.apache.lucene.search.Scorable.score()" because "this.scorer" is null""",
          "stack_trace": """java.lang.NullPointerException: Cannot invoke "org.apache.lucene.search.Scorable.score()" because "this.scorer" is null
	at org.apache.lucene.search.TopScoreDocCollector$SimpleTopScoreDocCollector$1.collect(TopScoreDocCollector.java:72)
	at org.elasticsearch.search.aggregations.metrics.TopHitsAggregator$1.collect(TopHitsAggregator.java:158)
	at org.elasticsearch.search.aggregations.bucket.BucketsAggregator.collectBucket(BucketsAggregator.java:90)
	at org.elasticsearch.xpack.ml.aggs.categorization.CategorizeTextAggregator$1.processTokenStream(CategorizeTextAggregator.java:204)
	at org.elasticsearch.xpack.ml.aggs.categorization.CategorizeTextAggregator$1.collectFromSource(CategorizeTextAggregator.java:180)
	at org.elasticsearch.xpack.ml.aggs.categorization.CategorizeTextAggregator$1.collect(CategorizeTextAggregator.java:163)
	at org.elasticsearch.search.aggregations.bucket.BucketsAggregator.collectExistingBucket(BucketsAggregator.java:98)
	at org.elasticsearch.search.aggregations.bucket.sampler.random.RandomSamplerAggregator$1.collect(RandomSamplerAggregator.java:108)
	at org.elasticsearch.search.aggregations.LeafBucketCollector.collect(LeafBucketCollector.java:86)
	at org.apache.lucene.search.FilterLeafCollector.collect(FilterLeafCollector.java:42)
	at org.apache.lucene.search.MatchAllDocsQuery$1$1.score(MatchAllDocsQuery.java:63)
	at org.apache.lucene.search.ConstantScoreQuery$ConstantBulkScorer.score(ConstantScoreQuery.java:99)
	at org.elasticsearch.search.internal.CancellableBulkScorer.score(CancellableBulkScorer.java:45)
	at org.apache.lucene.search.BulkScorer.score(BulkScorer.java:38)
	at org.elasticsearch.search.internal.ContextIndexSearcher.searchLeaf(ContextIndexSearcher.java:436)
	at org.elasticsearch.search.internal.ContextIndexSearcher.search(ContextIndexSearcher.java:365)
	at org.elasticsearch.search.internal.ContextIndexSearcher.lambda$search$3(ContextIndexSearcher.java:350)
	at org.apache.lucene.search.TaskExecutor$TaskGroup.lambda$createTask$0(TaskExecutor.java:117)
	at java.util.concurrent.FutureTask.run(FutureTask.java:317)
	at org.elasticsearch.common.util.concurrent.TimedRunnable.doRun(TimedRunnable.java:33)
	at org.elasticsearch.common.util.concurrent.ThreadContext$ContextPreservingAbstractRunnable.doRun(ThreadContext.java:984)
	at org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:26)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
	at java.lang.Thread.run(Thread.java:1570)
"""
        }
      }
    ],
    "caused_by": {
      "type": "null_pointer_exception",
      "reason": """Cannot invoke "org.apache.lucene.search.Scorable.score()" because "this.scorer" is null""",
      "caused_by": {
        "type": "null_pointer_exception",
        "reason": """Cannot invoke "org.apache.lucene.search.Scorable.score()" because "this.scorer" is null""",
        "stack_trace": """java.lang.NullPointerException: Cannot invoke "org.apache.lucene.search.Scorable.score()" because "this.scorer" is null
	at org.apache.lucene.search.TopScoreDocCollector$SimpleTopScoreDocCollector$1.collect(TopScoreDocCollector.java:72)
	at org.elasticsearch.search.aggregations.metrics.TopHitsAggregator$1.collect(TopHitsAggregator.java:158)
	at org.elasticsearch.search.aggregations.bucket.BucketsAggregator.collectBucket(BucketsAggregator.java:90)
	at org.elasticsearch.xpack.ml.aggs.categorization.CategorizeTextAggregator$1.processTokenStream(CategorizeTextAggregator.java:204)
	at org.elasticsearch.xpack.ml.aggs.categorization.CategorizeTextAggregator$1.collectFromSource(CategorizeTextAggregator.java:180)
	at org.elasticsearch.xpack.ml.aggs.categorization.CategorizeTextAggregator$1.collect(CategorizeTextAggregator.java:163)
	at org.elasticsearch.search.aggregations.bucket.BucketsAggregator.collectExistingBucket(BucketsAggregator.java:98)
	at org.elasticsearch.search.aggregations.bucket.sampler.random.RandomSamplerAggregator$1.collect(RandomSamplerAggregator.java:108)
	at org.elasticsearch.search.aggregations.LeafBucketCollector.collect(LeafBucketCollector.java:86)
	at org.apache.lucene.search.FilterLeafCollector.collect(FilterLeafCollector.java:42)
	at org.apache.lucene.search.MatchAllDocsQuery$1$1.score(MatchAllDocsQuery.java:63)
	at org.apache.lucene.search.ConstantScoreQuery$ConstantBulkScorer.score(ConstantScoreQuery.java:99)
	at org.elasticsearch.search.internal.CancellableBulkScorer.score(CancellableBulkScorer.java:45)
	at org.apache.lucene.search.BulkScorer.score(BulkScorer.java:38)
	at org.elasticsearch.search.internal.ContextIndexSearcher.searchLeaf(ContextIndexSearcher.java:436)
	at org.elasticsearch.search.internal.ContextIndexSearcher.search(ContextIndexSearcher.java:365)
	at org.elasticsearch.search.internal.ContextIndexSearcher.lambda$search$3(ContextIndexSearcher.java:350)
	at org.apache.lucene.search.TaskExecutor$TaskGroup.lambda$createTask$0(TaskExecutor.java:117)
	at java.util.concurrent.FutureTask.run(FutureTask.java:317)
	at org.elasticsearch.common.util.concurrent.TimedRunnable.doRun(TimedRunnable.java:33)
	at org.elasticsearch.common.util.concurrent.ThreadContext$ContextPreservingAbstractRunnable.doRun(ThreadContext.java:984)
	at org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:26)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
	at java.lang.Thread.run(Thread.java:1570)
"""
      },
      "stack_trace": """org.elasticsearch.ElasticsearchException$1: Cannot invoke "org.apache.lucene.search.Scorable.score()" because "this.scorer" is null
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.ElasticsearchException.guessRootCauses(ElasticsearchException.java:704)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.action.search.AbstractSearchAsyncAction.executeNextPhase(AbstractSearchAsyncAction.java:414)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.action.search.AbstractSearchAsyncAction.onPhaseDone(AbstractSearchAsyncAction.java:756)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.action.search.AbstractSearchAsyncAction.onShardFailure(AbstractSearchAsyncAction.java:509)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.action.search.AbstractSearchAsyncAction$1.onFailure(AbstractSearchAsyncAction.java:337)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.action.ActionListenerImplementations.safeAcceptException(ActionListenerImplementations.java:62)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.action.ActionListenerImplementations.safeOnFailure(ActionListenerImplementations.java:73)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.action.DelegatingActionListener.onFailure(DelegatingActionListener.java:31)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.action.ActionListenerResponseHandler.handleException(ActionListenerResponseHandler.java:53)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.action.search.SearchTransportService$ConnectionCountingHandler.handleException(SearchTransportService.java:672)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.transport.TransportService$UnregisterChildTransportResponseHandler.handleException(TransportService.java:1766)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.transport.TransportService$ContextRestoreResponseHandler.handleException(TransportService.java:1490)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.transport.InboundHandler.doHandleException(InboundHandler.java:474)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.transport.InboundHandler.handleException(InboundHandler.java:461)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.transport.InboundHandler.handlerResponseError(InboundHandler.java:452)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.transport.InboundHandler.executeResponseHandler(InboundHandler.java:146)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.transport.InboundHandler.messageReceived(InboundHandler.java:123)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.transport.InboundHandler.inboundMessage(InboundHandler.java:97)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.transport.TcpTransport.inboundMessage(TcpTransport.java:821)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.transport.InboundPipeline.forwardFragments(InboundPipeline.java:124)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.transport.InboundPipeline.doHandleBytes(InboundPipeline.java:96)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.transport.InboundPipeline.handleBytes(InboundPipeline.java:61)
	at org.elasticsearch.transport.netty4@8.15.0-SNAPSHOT/org.elasticsearch.transport.netty4.Netty4MessageInboundHandler.channelRead(Netty4MessageInboundHandler.java:57)
	at io.netty.transport@4.1.109.Final/io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
	at io.netty.transport@4.1.109.Final/io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
	at io.netty.transport@4.1.109.Final/io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
	at io.netty.codec@4.1.109.Final/io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
	at io.netty.transport@4.1.109.Final/io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
	at io.netty.transport@4.1.109.Final/io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
	at io.netty.transport@4.1.109.Final/io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
	at io.netty.handler@4.1.109.Final/io.netty.handler.ssl.SslHandler.unwrap(SslHandler.java:1475)
	at io.netty.handler@4.1.109.Final/io.netty.handler.ssl.SslHandler.decodeJdkCompatible(SslHandler.java:1338)
	at io.netty.handler@4.1.109.Final/io.netty.handler.ssl.SslHandler.decode(SslHandler.java:1387)
	at io.netty.codec@4.1.109.Final/io.netty.handler.codec.ByteToMessageDecoder.decodeRemovalReentryProtection(ByteToMessageDecoder.java:530)
	at io.netty.codec@4.1.109.Final/io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:469)
	at io.netty.codec@4.1.109.Final/io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:290)
	at io.netty.transport@4.1.109.Final/io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
	at io.netty.transport@4.1.109.Final/io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
	at io.netty.transport@4.1.109.Final/io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
	at io.netty.transport@4.1.109.Final/io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
	at io.netty.transport@4.1.109.Final/io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
	at io.netty.transport@4.1.109.Final/io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
	at io.netty.transport@4.1.109.Final/io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
	at io.netty.transport@4.1.109.Final/io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:166)
	at io.netty.transport@4.1.109.Final/io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:788)
	at io.netty.transport@4.1.109.Final/io.netty.channel.nio.NioEventLoop.processSelectedKeysPlain(NioEventLoop.java:689)
	at io.netty.transport@4.1.109.Final/io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:652)
	at io.netty.transport@4.1.109.Final/io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:562)
	at io.netty.common@4.1.109.Final/io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
	at io.netty.common@4.1.109.Final/io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
	at java.base/java.lang.Thread.run(Thread.java:1570)
Caused by: java.lang.NullPointerException: Cannot invoke "org.apache.lucene.search.Scorable.score()" because "this.scorer" is null
	at org.apache.lucene.search.TopScoreDocCollector$SimpleTopScoreDocCollector$1.collect(TopScoreDocCollector.java:72)
	at org.elasticsearch.search.aggregations.metrics.TopHitsAggregator$1.collect(TopHitsAggregator.java:158)
	at org.elasticsearch.search.aggregations.bucket.BucketsAggregator.collectBucket(BucketsAggregator.java:90)
	at org.elasticsearch.xpack.ml.aggs.categorization.CategorizeTextAggregator$1.processTokenStream(CategorizeTextAggregator.java:204)
	at org.elasticsearch.xpack.ml.aggs.categorization.CategorizeTextAggregator$1.collectFromSource(CategorizeTextAggregator.java:180)
	at org.elasticsearch.xpack.ml.aggs.categorization.CategorizeTextAggregator$1.collect(CategorizeTextAggregator.java:163)
	at org.elasticsearch.search.aggregations.bucket.BucketsAggregator.collectExistingBucket(BucketsAggregator.java:98)
	at org.elasticsearch.search.aggregations.bucket.sampler.random.RandomSamplerAggregator$1.collect(RandomSamplerAggregator.java:108)
	at org.elasticsearch.search.aggregations.LeafBucketCollector.collect(LeafBucketCollector.java:86)
	at org.apache.lucene.search.FilterLeafCollector.collect(FilterLeafCollector.java:42)
	at org.apache.lucene.search.MatchAllDocsQuery$1$1.score(MatchAllDocsQuery.java:63)
	at org.apache.lucene.search.ConstantScoreQuery$ConstantBulkScorer.score(ConstantScoreQuery.java:99)
	at org.elasticsearch.search.internal.CancellableBulkScorer.score(CancellableBulkScorer.java:45)
	at org.apache.lucene.search.BulkScorer.score(BulkScorer.java:38)
	at org.elasticsearch.search.internal.ContextIndexSearcher.searchLeaf(ContextIndexSearcher.java:436)
	at org.elasticsearch.search.internal.ContextIndexSearcher.search(ContextIndexSearcher.java:365)
	at org.elasticsearch.search.internal.ContextIndexSearcher.lambda$search$3(ContextIndexSearcher.java:350)
	at org.apache.lucene.search.TaskExecutor$TaskGroup.lambda$createTask$0(TaskExecutor.java:117)
	at java.util.concurrent.FutureTask.run(FutureTask.java:317)
	at org.elasticsearch.common.util.concurrent.TimedRunnable.doRun(TimedRunnable.java:33)
	at org.elasticsearch.common.util.concurrent.ThreadContext$ContextPreservingAbstractRunnable.doRun(ThreadContext.java:984)
	at org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:26)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
	at java.lang.Thread.run(Thread.java:1570)
"""
    },
    "stack_trace": """Failed to execute phase [query], all shards failed; shardFailures {[zVlBFBb8QqSNzSPZgqKNfg][.ds-logs-foo-default-2024.06.25-000001][0]: org.elasticsearch.transport.RemoteTransportException: [instance-0000000002][172.17.0.6:19830][indices:data/read/search[phase/query]]
Caused by: org.elasticsearch.search.query.QueryPhaseExecutionException: Query Failed [Failed to execute main query]
	at org.elasticsearch.search.query.QueryPhase.addCollectorsAndSearch(QueryPhase.java:229)
	at org.elasticsearch.search.query.QueryPhase.executeQuery(QueryPhase.java:135)
	at org.elasticsearch.search.query.QueryPhase.execute(QueryPhase.java:62)
	at org.elasticsearch.indices.IndicesService.lambda$loadIntoContext$38(IndicesService.java:1592)
	at org.elasticsearch.indices.IndicesService.lambda$cacheShardLevelResult$39(IndicesService.java:1658)
	at org.elasticsearch.indices.IndicesRequestCache$Loader.load(IndicesRequestCache.java:164)
	at org.elasticsearch.indices.IndicesRequestCache$Loader.load(IndicesRequestCache.java:147)
	at org.elasticsearch.common.cache.Cache.computeIfAbsent(Cache.java:439)
	at org.elasticsearch.indices.IndicesRequestCache.getOrCompute(IndicesRequestCache.java:110)
	at org.elasticsearch.indices.IndicesService.cacheShardLevelResult(IndicesService.java:1664)
	at org.elasticsearch.indices.IndicesService.loadIntoContext(IndicesService.java:1586)
	at org.elasticsearch.search.SearchService.loadOrExecuteQueryPhase(SearchService.java:528)
	at org.elasticsearch.search.SearchService.executeQueryPhase(SearchService.java:688)
	at org.elasticsearch.search.SearchService.lambda$executeQueryPhase$2(SearchService.java:557)
	at org.elasticsearch.action.ActionRunnable$3.accept(ActionRunnable.java:78)
	at org.elasticsearch.action.ActionRunnable$3.accept(ActionRunnable.java:75)
	at org.elasticsearch.action.ActionRunnable$4.doRun(ActionRunnable.java:100)
	at org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:26)
	at org.elasticsearch.common.util.concurrent.TimedRunnable.doRun(TimedRunnable.java:33)
	at org.elasticsearch.common.util.concurrent.ThreadContext$ContextPreservingAbstractRunnable.doRun(ThreadContext.java:984)
	at org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:26)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
	at java.lang.Thread.run(Thread.java:1570)
Caused by: java.lang.NullPointerException: Cannot invoke "org.apache.lucene.search.Scorable.score()" because "this.scorer" is null
	at org.apache.lucene.search.TopScoreDocCollector$SimpleTopScoreDocCollector$1.collect(TopScoreDocCollector.java:72)
	at org.elasticsearch.search.aggregations.metrics.TopHitsAggregator$1.collect(TopHitsAggregator.java:158)
	at org.elasticsearch.search.aggregations.bucket.BucketsAggregator.collectBucket(BucketsAggregator.java:90)
	at org.elasticsearch.xpack.ml.aggs.categorization.CategorizeTextAggregator$1.processTokenStream(CategorizeTextAggregator.java:204)
	at org.elasticsearch.xpack.ml.aggs.categorization.CategorizeTextAggregator$1.collectFromSource(CategorizeTextAggregator.java:180)
	at org.elasticsearch.xpack.ml.aggs.categorization.CategorizeTextAggregator$1.collect(CategorizeTextAggregator.java:163)
	at org.elasticsearch.search.aggregations.bucket.BucketsAggregator.collectExistingBucket(BucketsAggregator.java:98)
	at org.elasticsearch.search.aggregations.bucket.sampler.random.RandomSamplerAggregator$1.collect(RandomSamplerAggregator.java:108)
	at org.elasticsearch.search.aggregations.LeafBucketCollector.collect(LeafBucketCollector.java:86)
	at org.apache.lucene.search.FilterLeafCollector.collect(FilterLeafCollector.java:42)
	at org.apache.lucene.search.MatchAllDocsQuery$1$1.score(MatchAllDocsQuery.java:63)
	at org.apache.lucene.search.ConstantScoreQuery$ConstantBulkScorer.score(ConstantScoreQuery.java:99)
	at org.elasticsearch.search.internal.CancellableBulkScorer.score(CancellableBulkScorer.java:45)
	at org.apache.lucene.search.BulkScorer.score(BulkScorer.java:38)
	at org.elasticsearch.search.internal.ContextIndexSearcher.searchLeaf(ContextIndexSearcher.java:436)
	at org.elasticsearch.search.internal.ContextIndexSearcher.search(ContextIndexSearcher.java:365)
	at org.elasticsearch.search.internal.ContextIndexSearcher.lambda$search$3(ContextIndexSearcher.java:350)
	at org.apache.lucene.search.TaskExecutor$TaskGroup.lambda$createTask$0(TaskExecutor.java:117)
	at java.util.concurrent.FutureTask.run(FutureTask.java:317)
	... 6 more
}
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.action.search.AbstractSearchAsyncAction.onPhaseFailure(AbstractSearchAsyncAction.java:724)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.action.search.AbstractSearchAsyncAction.executeNextPhase(AbstractSearchAsyncAction.java:416)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.action.search.AbstractSearchAsyncAction.onPhaseDone(AbstractSearchAsyncAction.java:756)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.action.search.AbstractSearchAsyncAction.onShardFailure(AbstractSearchAsyncAction.java:509)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.action.search.AbstractSearchAsyncAction$1.onFailure(AbstractSearchAsyncAction.java:337)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.action.ActionListenerImplementations.safeAcceptException(ActionListenerImplementations.java:62)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.action.ActionListenerImplementations.safeOnFailure(ActionListenerImplementations.java:73)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.action.DelegatingActionListener.onFailure(DelegatingActionListener.java:31)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.action.ActionListenerResponseHandler.handleException(ActionListenerResponseHandler.java:53)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.action.search.SearchTransportService$ConnectionCountingHandler.handleException(SearchTransportService.java:672)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.transport.TransportService$UnregisterChildTransportResponseHandler.handleException(TransportService.java:1766)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.transport.TransportService$ContextRestoreResponseHandler.handleException(TransportService.java:1490)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.transport.InboundHandler.doHandleException(InboundHandler.java:474)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.transport.InboundHandler.handleException(InboundHandler.java:461)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.transport.InboundHandler.handlerResponseError(InboundHandler.java:452)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.transport.InboundHandler.executeResponseHandler(InboundHandler.java:146)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.transport.InboundHandler.messageReceived(InboundHandler.java:123)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.transport.InboundHandler.inboundMessage(InboundHandler.java:97)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.transport.TcpTransport.inboundMessage(TcpTransport.java:821)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.transport.InboundPipeline.forwardFragments(InboundPipeline.java:124)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.transport.InboundPipeline.doHandleBytes(InboundPipeline.java:96)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.transport.InboundPipeline.handleBytes(InboundPipeline.java:61)
	at org.elasticsearch.transport.netty4@8.15.0-SNAPSHOT/org.elasticsearch.transport.netty4.Netty4MessageInboundHandler.channelRead(Netty4MessageInboundHandler.java:57)
	at io.netty.transport@4.1.109.Final/io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
	at io.netty.transport@4.1.109.Final/io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
	at io.netty.transport@4.1.109.Final/io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
	at io.netty.codec@4.1.109.Final/io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
	at io.netty.transport@4.1.109.Final/io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
	at io.netty.transport@4.1.109.Final/io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
	at io.netty.transport@4.1.109.Final/io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
	at io.netty.handler@4.1.109.Final/io.netty.handler.ssl.SslHandler.unwrap(SslHandler.java:1475)
	at io.netty.handler@4.1.109.Final/io.netty.handler.ssl.SslHandler.decodeJdkCompatible(SslHandler.java:1338)
	at io.netty.handler@4.1.109.Final/io.netty.handler.ssl.SslHandler.decode(SslHandler.java:1387)
	at io.netty.codec@4.1.109.Final/io.netty.handler.codec.ByteToMessageDecoder.decodeRemovalReentryProtection(ByteToMessageDecoder.java:530)
	at io.netty.codec@4.1.109.Final/io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:469)
	at io.netty.codec@4.1.109.Final/io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:290)
	at io.netty.transport@4.1.109.Final/io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
	at io.netty.transport@4.1.109.Final/io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
	at io.netty.transport@4.1.109.Final/io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
	at io.netty.transport@4.1.109.Final/io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
	at io.netty.transport@4.1.109.Final/io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
	at io.netty.transport@4.1.109.Final/io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
	at io.netty.transport@4.1.109.Final/io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
	at io.netty.transport@4.1.109.Final/io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:166)
	at io.netty.transport@4.1.109.Final/io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:788)
	at io.netty.transport@4.1.109.Final/io.netty.channel.nio.NioEventLoop.processSelectedKeysPlain(NioEventLoop.java:689)
	at io.netty.transport@4.1.109.Final/io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:652)
	at io.netty.transport@4.1.109.Final/io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:562)
	at io.netty.common@4.1.109.Final/io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
	at io.netty.common@4.1.109.Final/io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
	at java.base/java.lang.Thread.run(Thread.java:1570)
Caused by: org.elasticsearch.ElasticsearchException$1: Cannot invoke "org.apache.lucene.search.Scorable.score()" because "this.scorer" is null
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.ElasticsearchException.guessRootCauses(ElasticsearchException.java:704)
	at org.elasticsearch.server@8.15.0-SNAPSHOT/org.elasticsearch.action.search.AbstractSearchAsyncAction.executeNextPhase(AbstractSearchAsyncAction.java:414)
	... 49 more
Caused by: java.lang.NullPointerException: Cannot invoke "org.apache.lucene.search.Scorable.score()" because "this.scorer" is null
	at org.apache.lucene.search.TopScoreDocCollector$SimpleTopScoreDocCollector$1.collect(TopScoreDocCollector.java:72)
	at org.elasticsearch.search.aggregations.metrics.TopHitsAggregator$1.collect(TopHitsAggregator.java:158)
	at org.elasticsearch.search.aggregations.bucket.BucketsAggregator.collectBucket(BucketsAggregator.java:90)
	at org.elasticsearch.xpack.ml.aggs.categorization.CategorizeTextAggregator$1.processTokenStream(CategorizeTextAggregator.java:204)
	at org.elasticsearch.xpack.ml.aggs.categorization.CategorizeTextAggregator$1.collectFromSource(CategorizeTextAggregator.java:180)
	at org.elasticsearch.xpack.ml.aggs.categorization.CategorizeTextAggregator$1.collect(CategorizeTextAggregator.java:163)
	at org.elasticsearch.search.aggregations.bucket.BucketsAggregator.collectExistingBucket(BucketsAggregator.java:98)
	at org.elasticsearch.search.aggregations.bucket.sampler.random.RandomSamplerAggregator$1.collect(RandomSamplerAggregator.java:108)
	at org.elasticsearch.search.aggregations.LeafBucketCollector.collect(LeafBucketCollector.java:86)
	at org.apache.lucene.search.FilterLeafCollector.collect(FilterLeafCollector.java:42)
	at org.apache.lucene.search.MatchAllDocsQuery$1$1.score(MatchAllDocsQuery.java:63)
	at org.apache.lucene.search.ConstantScoreQuery$ConstantBulkScorer.score(ConstantScoreQuery.java:99)
	at org.elasticsearch.search.internal.CancellableBulkScorer.score(CancellableBulkScorer.java:45)
	at org.apache.lucene.search.BulkScorer.score(BulkScorer.java:38)
	at org.elasticsearch.search.internal.ContextIndexSearcher.searchLeaf(ContextIndexSearcher.java:436)
	at org.elasticsearch.search.internal.ContextIndexSearcher.search(ContextIndexSearcher.java:365)
	at org.elasticsearch.search.internal.ContextIndexSearcher.lambda$search$3(ContextIndexSearcher.java:350)
	at org.apache.lucene.search.TaskExecutor$TaskGroup.lambda$createTask$0(TaskExecutor.java:117)
	at java.util.concurrent.FutureTask.run(FutureTask.java:317)
	at org.elasticsearch.common.util.concurrent.TimedRunnable.doRun(TimedRunnable.java:33)
	at org.elasticsearch.common.util.concurrent.ThreadContext$ContextPreservingAbstractRunnable.doRun(ThreadContext.java:984)
	at org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:26)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
	at java.lang.Thread.run(Thread.java:1570)
"""
  },
  "status": 500
}

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