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Published Jul. 2, 2025

Search portlet temporarily unavailable due to ClassCastException

Written By

John Park

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Issue

  • In DXP 7.0 with Elasticsearch 6, when using the search portlet, it becomes temporarily unavailable and the following stacktrace is seen in the logs.
Caused by: java.lang.ClassCastException: com.liferay.portal.search.elasticsearch6.internal.filter.ElasticsearchFilterTranslator cannot be cast to com.liferay.portal.search.filter.FilterVisitor
 at com.liferay.portal.search.filter.Filter.accept(Filter.java:30)
 at com.liferay.portal.search.elasticsearch6.internal.filter.BooleanFilterTranslatorImpl.translate(BooleanFilterTranslatorImpl.java:74)
 at com.liferay.portal.search.elasticsearch6.internal.filter.BooleanFilterTranslatorImpl.translate(BooleanFilterTranslatorImpl.java:60)
 at com.liferay.portal.search.elasticsearch6.internal.filter.ElasticsearchFilterTranslator.visit(ElasticsearchFilterTranslator.java:57)
 at com.liferay.portal.search.elasticsearch6.internal.filter.ElasticsearchFilterTranslator.visit(ElasticsearchFilterTranslator.java:43)
 at com.liferay.portal.kernel.search.filter.BooleanFilter.accept(BooleanFilter.java:34)
 at com.liferay.portal.search.elasticsearch6.internal.filter.BooleanFilterTranslatorImpl.translate(BooleanFilterTranslatorImpl.java:74)
 at com.liferay.portal.search.elasticsearch6.internal.filter.BooleanFilterTranslatorImpl.translate(BooleanFilterTranslatorImpl.java:60)
 at com.liferay.portal.search.elasticsearch6.internal.filter.ElasticsearchFilterTranslator.visit(ElasticsearchFilterTranslator.java:57)
 at com.liferay.portal.search.elasticsearch6.internal.filter.ElasticsearchFilterTranslator.visit(ElasticsearchFilterTranslator.java:43)
 at com.liferay.portal.kernel.search.filter.BooleanFilter.accept(BooleanFilter.java:34)
 at com.liferay.portal.search.elasticsearch6.internal.filter.BooleanFilterTranslatorImpl.translate(BooleanFilterTranslatorImpl.java:74)
 at com.liferay.portal.search.elasticsearch6.internal.filter.BooleanFilterTranslatorImpl.translate(BooleanFilterTranslatorImpl.java:44)
 at com.liferay.portal.search.elasticsearch6.internal.filter.ElasticsearchFilterTranslator.visit(ElasticsearchFilterTranslator.java:57)
 at com.liferay.portal.search.elasticsearch6.internal.filter.ElasticsearchFilterTranslator.visit(ElasticsearchFilterTranslator.java:43)
 at com.liferay.portal.kernel.search.filter.BooleanFilter.accept(BooleanFilter.java:34)
 at com.liferay.portal.search.elasticsearch6.internal.filter.ElasticsearchFilterTranslator.translate(ElasticsearchFilterTranslator.java:52)
 at com.liferay.portal.search.elasticsearch6.internal.filter.ElasticsearchFilterTranslator.translate(ElasticsearchFilterTranslator.java:43)
 at com.liferay.portal.search.elasticsearch6.internal.ElasticsearchIndexSearcher.doSearch(ElasticsearchIndexSearcher.java:528)
 at com.liferay.portal.search.elasticsearch6.internal.ElasticsearchIndexSearcher.doSearchHits(ElasticsearchIndexSearcher.java:577)
 at com.liferay.portal.search.elasticsearch6.internal.ElasticsearchIndexSearcher.search(ElasticsearchIndexSearcher.java:153)
 ... 233 more

Environment

  • Liferay DXP 7.0

Resolution

  • This is likely due to an older version of the Elasticsearch 6 Connector plugin version 1.0.0. Update to the latest version of the plugin for DXP 7.0 (version 1.1.0) to resolve the issue.

Additional Information

  • The Elasticsearch 6 Connector plugin may be downloaded from the Liferay Marketplace. Click here 
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