Redeploying Elasticsearch Connector: "java.util.ServiceConfigurationError: org.elasticsearch.common.xcontent.XContentBuilderExtension: Provider org.elasticsearch.common.xcontent.XContentElasticsearchExtension not a subtype"

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: Master
• Fix Version/s: 7.2.0 GA1
• Component/s: Search Infrastructure > Elasticsearch Connector
• Labels: None
• Fix Priority: 4
• Epic Link: Search capabilities in 7.2
• Sprint: Search | S02 Sprint 16
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/71554

Steps to reproduce

Gogo Shell.

Stop the OSGi bundle: "Liferay Portal Search Elasticsearch 6 Implementation".

Start it again.

Expected: Search operates normally, clean logs.

Observed: Search ceases operation. Logs as follows. Must restart Liferay.

java.util.ServiceConfigurationError: org.elasticsearch.common.xcontent.XContentBuilderExtension: Provider org.elasticsearch.common.xcontent.XContentElasticsearchExtension not a subtype
at java.util.ServiceLoader.fail(ServiceLoader.java:239)
at java.util.ServiceLoader.access$300(ServiceLoader.java:185)
at java.util.ServiceLoader$LazyIterator.nextService(ServiceLoader.java:376)
at java.util.ServiceLoader$LazyIterator.next(ServiceLoader.java:404)
at java.util.ServiceLoader$1.next(ServiceLoader.java:480)
at org.elasticsearch.common.xcontent.XContentBuilder.<clinit>(XContentBuilder.java:118)
at org.elasticsearch.common.settings.Setting.arrayToParsableString(Setting.java:1257)
at org.elasticsearch.common.settings.Setting.access$800(Setting.java:87)
at org.elasticsearch.common.settings.Setting$ListSetting.innerGetRaw(Setting.java:1292)
at org.elasticsearch.common.settings.Setting.getRaw(Setting.java:450)
at org.elasticsearch.common.settings.Setting.get(Setting.java:402)
at org.elasticsearch.common.settings.Setting.get(Setting.java:398)
at org.elasticsearch.env.Environment.<init>(Environment.java:116)
at org.elasticsearch.env.Environment.<init>(Environment.java:94)
at com.liferay.portal.search.elasticsearch6.internal.connection.PluginManagerFactoryImpl.doCreatePluginManager(PluginManagerFactoryImpl.java:42)
at com.liferay.portal.search.elasticsearch6.internal.connection.PluginManagerFactoryImpl.createPluginManager(PluginManagerFactoryImpl.java:33)
at com.liferay.portal.search.elasticsearch6.internal.connection.EmbeddedElasticsearchPluginManager.removeObsoletePlugin(EmbeddedElasticsearchPluginManager.java:67)
at com.liferay.portal.search.elasticsearch6.internal.connection.EmbeddedElasticsearchConnection.removeObsoletePlugin(EmbeddedElasticsearchConnection.java:424)
at com.liferay.portal.search.elasticsearch6.internal.connection.EmbeddedElasticsearchConnection.installPlugins(EmbeddedElasticsearchConnection.java:387)
at com.liferay.portal.search.elasticsearch6.internal.connection.EmbeddedElasticsearchConnection.createClient(EmbeddedElasticsearchConnection.java:293)
at com.liferay.portal.search.elasticsearch6.internal.connection.BaseElasticsearchConnection.connect(BaseElasticsearchConnection.java:65)
at com.liferay.portal.search.elasticsearch6.internal.connection.ElasticsearchConnectionManager.connect(ElasticsearchConnectionManager.java:59)
at com.liferay.portal.search.elasticsearch6.internal.ElasticsearchEngineConfigurator.initialize(ElasticsearchEngineConfigurator.java:92)
at com.liferay.portal.kernel.search.BaseSearchEngineConfigurator$1.dependenciesFulfilled(BaseSearchEngineConfigurator.java:79)
at com.liferay.registry.dependency.ServiceDependencyManager.verifyDependencies(ServiceDependencyManager.java:146)
at com.liferay.registry.dependency.ServiceDependencyManager$ServiceDependencyServiceTrackerCustomizer.addingService(ServiceDependencyManager.java:242)
at com.liferay.registry.internal.ServiceTrackerCustomizerAdapter.addingService(ServiceTrackerCustomizerAdapter.java:35)
at org.osgi.util.tracker.ServiceTracker$Tracked.customizerAdding(ServiceTracker.java:943)
at org.osgi.util.tracker.ServiceTracker$Tracked.customizerAdding(ServiceTracker.java:1)
at org.osgi.util.tracker.AbstractTracked.trackAdding(AbstractTracked.java:256)
at org.osgi.util.tracker.AbstractTracked.trackInitial(AbstractTracked.java:183)
at org.osgi.util.tracker.ServiceTracker.open(ServiceTracker.java:321)