**Build scan:**
https://gradle-enterprise.elastic.co/s/grxksvoe4wwo4/tests/:modules:ingest-geoip:yamlRestTest/org.elasticsearch.ingest.geoip.IngestGeoIpClientYamlTestSuiteIT/test%20%7Byaml=ingest_geoip%2F20_geoip_processor%2FTest%20geoip%20processor%20with%20lists,%20first%20only%7D

**Reproduction line:**
```
./gradlew ':modules:ingest-geoip:yamlRestTest' --tests "org.elasticsearch.ingest.geoip.IngestGeoIpClientYamlTestSuiteIT.test {yaml=ingest_geoip/20_geoip_processor/Test geoip processor with lists, first only}" -Dtests.seed=B669491F0F32585C -Dtests.locale=is-IS -Dtests.timezone=Asia/Manila -Druntime.java=20
```

**Applicable branches:**
main

**Reproduces locally?:**
No

**Failure history:**
https://gradle-enterprise.elastic.co/scans/tests?tests.container=org.elasticsearch.ingest.geoip.IngestGeoIpClientYamlTestSuiteIT&tests.test=test%20%7Byaml%3Dingest_geoip/20_geoip_processor/Test%20geoip%20processor%20with%20lists,%20first%20only%7D

**Failure excerpt:**
```
java.lang.NullPointerException: Cannot invoke "java.util.List.stream()" because the return value of "java.util.Map.get(Object)" is null

  at __randomizedtesting.SeedInfo.seed([B669491F0F32585C:3E3D76C5A1CE35A4]:0)
  at org.elasticsearch.ingest.geoip.IngestGeoIpClientYamlTestSuiteIT.lambda$waitForDatabases$3(IngestGeoIpClientYamlTestSuiteIT.java:82)
  at org.elasticsearch.test.ESTestCase.assertBusy(ESTestCase.java:1146)
  at org.elasticsearch.test.ESTestCase.assertBusy(ESTestCase.java:1131)
  at org.elasticsearch.ingest.geoip.IngestGeoIpClientYamlTestSuiteIT.waitForDatabases(IngestGeoIpClientYamlTestSuiteIT.java:72)
  at jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
  at java.lang.reflect.Method.invoke(Method.java:578)
  at com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1758)
  at com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:980)
  at com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:996)
  at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
  at org.apache.lucene.tests.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:48)
  at org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
  at org.apache.lucene.tests.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:45)
  at org.apache.lucene.tests.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:60)
  at org.apache.lucene.tests.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:44)
  at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
  at com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:390)
  at com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:843)
  at com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:490)
  at com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:955)
  at com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:840)
  at com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:891)
  at com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:902)
  at org.elasticsearch.test.cluster.local.LocalElasticsearchCluster$1.evaluate(LocalElasticsearchCluster.java:39)
  at org.junit.rules.ExternalResource$1.evaluate(ExternalResource.java:48)
  at org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
  at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
  at org.apache.lucene.tests.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:38)
  at com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
  at com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
  at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
  at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
  at org.apache.lucene.tests.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:53)
  at org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
  at org.apache.lucene.tests.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:44)
  at org.apache.lucene.tests.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:60)
  at org.apache.lucene.tests.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:47)
  at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
  at com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:390)
  at com.carrotsearch.randomizedtesting.ThreadLeakControl.lambda$forkTimeoutingTask$0(ThreadLeakControl.java:850)
  at java.lang.Thread.run(Thread.java:1623)

```
modules/ingest-geoip/src/yamlRestTest/java/org/elasticsearch/ingest/geoip/IngestGeoIpClientYamlTestSuiteIT.java
/*
 * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
 * or more contributor license agreements. Licensed under the Elastic License
 * 2.0 and the Server Side Public License, v 1; you may not use this file except
 * in compliance with, at your election, the Elastic License 2.0 or the Server
 * Side Public License, v 1.
 */
package org.elasticsearch.ingest.geoip;
import fixture.geoip.GeoIpHttpFixture;
import com.carrotsearch.randomizedtesting.annotations.Name;
import com.carrotsearch.randomizedtesting.annotations.ParametersFactory;
import org.apache.http.entity.ByteArrayEntity;
import org.apache.http.entity.ContentType;
import org.elasticsearch.client.Request;