client.admin().indices().prepareRefresh(TEST_INDEX).execute().actionGet();

        // Delete by query
        boolean result = SuggestUtil.deleteByQuery(client, settings, TEST_INDEX, QueryBuilders.termQuery("field", "value1"));
        assertTrue(result);

        // Verify deletion
        client.admin().indices().prepareRefresh(TEST_INDEX).execute().actionGet();

    @AfterClass
    public static void afterClass() throws Exception {
        runner.close();
        runner.clean();
    }

    @Before
    public void before() throws Exception {
        runner.admin().indices().prepareDelete("_all").execute().actionGet();
        runner.refresh();
        suggester = Suggester.builder().build(runner.client(), "SuggestRequestBuilderTest");
        suggester.createIndexIfNothing();
    }

import org.codelibs.opensearch.runner.OpenSearchRunner;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.opensearch.action.admin.indices.get.GetIndexResponse;
import org.opensearch.action.bulk.BulkRequestBuilder;
import org.opensearch.action.index.IndexAction;
import org.opensearch.action.index.IndexRequestBuilder;

            assertTrue(result.contains("IllegalArgumentException"));
            assertTrue(result.contains(rootMessage));
            assertTrue(result.contains("at ")); // Stack trace indicator
        }

        @Test
        @DisplayName("Should handle root cause without message")
        void testToStringWithRootCauseNoMessage() {
            Exception rootCause = new NullPointerException();

import org.opensearch.index.analysis.CharFilterFactory;
import org.opensearch.index.analysis.TokenFilterFactory;
import org.opensearch.index.analysis.TokenizerFactory;
import org.opensearch.indices.analysis.AnalysisModule.AnalysisProvider;
import org.opensearch.plugins.AnalysisPlugin;
import org.opensearch.plugins.Plugin;

public class ExtensionPlugin extends Plugin implements AnalysisPlugin {

    @Override

        } catch (final ExtractException e) {
            assertTrue("Error message should mention ZIP archive", e.getMessage().contains("ZIP archive"));
            assertTrue("Error message should indicate failure",
                    e.getMessage().contains("Failed to extract") || e.getMessage().contains("No entries could be processed"));
        }
    }

    /**

        }, "Circuit breaker should throw CIFSException when open");

        assertTrue(exception.getMessage().contains("Circuit breaker 'test' is open"), "Exception message should indicate circuit is open");
    }

    @Test
    public void testCircuitResetsAfterTimeout() throws Exception {
        // Open the circuit
        circuitBreaker.trip();

## Pre-Migration Planning

### 1. Assessment Phase

Before starting migration, assess your current system:

- **Document Count**: Total number of indexed documents
- **Index Size**: Storage requirements for search indices
- **Crawl Sources**: URLs, file shares, databases being indexed
- **Custom Configurations**: URL patterns, security rules, metadata fields
- **Search Features**: Facets, suggestions, security filtering, ranking rules

 */
package org.codelibs.fess.crawler.util;

/**
 * Configuration class for OpenSearch crawler settings.
 * This class provides configuration for index names, shards, and replicas
 * for the queue, data, and filter indices used by the crawler.
 */
public class OpenSearchCrawlerConfig {
    /**
     * Constructs a new OpenSearchCrawlerConfig.
     */
    public OpenSearchCrawlerConfig() {
        // Default constructor
    }

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