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The PreConfiguredTokenFilter#singletonWithVersion uses the version internally for the token filter factories but it registers only one instance in the cache and not one instance per version. This can lead to exceptions like the one described in #50734 since the singleton is created and cached using the version created of the first index that is processed. Remove the singletonWithVersion() methods and use the elasticsearchVersion() methods instead. Fixes: #50734 (cherry picked from commit 24e1858)
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server/src/test/java/org/elasticsearch/index/analysis/PreConfiguredTokenFilterTests.java
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| /* | ||
| * Licensed to Elasticsearch under one or more contributor | ||
| * license agreements. See the NOTICE file distributed with | ||
| * this work for additional information regarding copyright | ||
| * ownership. Elasticsearch licenses this file to you under | ||
| * the Apache License, Version 2.0 (the "License"); you may | ||
| * not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, | ||
| * software distributed under the License is distributed on an | ||
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| * KIND, either express or implied. See the License for the | ||
| * specific language governing permissions and limitations | ||
| * under the License. | ||
| */ | ||
| package org.elasticsearch.index.analysis; | ||
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| import org.apache.lucene.analysis.TokenFilter; | ||
| import org.elasticsearch.Version; | ||
| import org.elasticsearch.cluster.metadata.IndexMetaData; | ||
| import org.elasticsearch.common.settings.Settings; | ||
| import org.elasticsearch.env.Environment; | ||
| import org.elasticsearch.env.TestEnvironment; | ||
| import org.elasticsearch.index.IndexSettings; | ||
| import org.elasticsearch.test.ESTestCase; | ||
| import org.elasticsearch.test.IndexSettingsModule; | ||
| import org.elasticsearch.test.VersionUtils; | ||
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| import java.io.IOException; | ||
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| public class PreConfiguredTokenFilterTests extends ESTestCase { | ||
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| private final Settings emptyNodeSettings = Settings.builder() | ||
| .put(Environment.PATH_HOME_SETTING.getKey(), createTempDir().toString()) | ||
| .build(); | ||
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| public void testCachingWithSingleton() throws IOException { | ||
| PreConfiguredTokenFilter pctf = | ||
| PreConfiguredTokenFilter.singleton("singleton", randomBoolean(), | ||
| (tokenStream) -> new TokenFilter(tokenStream) { | ||
| @Override | ||
| public boolean incrementToken() { | ||
| return false; | ||
| } | ||
| }); | ||
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| IndexSettings indexSettings = IndexSettingsModule.newIndexSettings("test", Settings.EMPTY); | ||
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| Version version1 = VersionUtils.randomVersion(random()); | ||
| Settings settings1 = Settings.builder().put(IndexMetaData.SETTING_VERSION_CREATED, version1) | ||
| .build(); | ||
| TokenFilterFactory tff_v1_1 = | ||
| pctf.get(indexSettings, TestEnvironment.newEnvironment(emptyNodeSettings), "singleton", settings1); | ||
| TokenFilterFactory tff_v1_2 = | ||
| pctf.get(indexSettings, TestEnvironment.newEnvironment(emptyNodeSettings), "singleton", settings1); | ||
| assertSame(tff_v1_1, tff_v1_2); | ||
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| Version version2 = randomValueOtherThan(version1, () -> randomFrom(VersionUtils.allVersions())); | ||
| Settings settings2 = Settings.builder().put(IndexMetaData.SETTING_VERSION_CREATED, version2) | ||
| .build(); | ||
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| TokenFilterFactory tff_v2 = | ||
| pctf.get(indexSettings, TestEnvironment.newEnvironment(emptyNodeSettings), "singleton", settings2); | ||
| assertSame(tff_v1_1, tff_v2); | ||
| } | ||
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| public void testCachingWithElasticsearchVersion() throws IOException { | ||
| PreConfiguredTokenFilter pctf = | ||
| PreConfiguredTokenFilter.elasticsearchVersion("elasticsearch_version", randomBoolean(), | ||
| (tokenStream, esVersion) -> new TokenFilter(tokenStream) { | ||
| @Override | ||
| public boolean incrementToken() { | ||
| return false; | ||
| } | ||
| }); | ||
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| IndexSettings indexSettings = IndexSettingsModule.newIndexSettings("test", Settings.EMPTY); | ||
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| Version version1 = VersionUtils.randomVersion(random()); | ||
| Settings settings1 = Settings.builder().put(IndexMetaData.SETTING_VERSION_CREATED, version1) | ||
| .build(); | ||
| TokenFilterFactory tff_v1_1 = | ||
| pctf.get(indexSettings, TestEnvironment.newEnvironment(emptyNodeSettings), "elasticsearch_version", settings1); | ||
| TokenFilterFactory tff_v1_2 = | ||
| pctf.get(indexSettings, TestEnvironment.newEnvironment(emptyNodeSettings), "elasticsearch_version", settings1); | ||
| assertSame(tff_v1_1, tff_v1_2); | ||
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| Version version2 = randomValueOtherThan(version1, () -> randomFrom(VersionUtils.allVersions())); | ||
| Settings settings2 = Settings.builder().put(IndexMetaData.SETTING_VERSION_CREATED, version2) | ||
| .build(); | ||
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| TokenFilterFactory tff_v2 = | ||
| pctf.get(indexSettings, TestEnvironment.newEnvironment(emptyNodeSettings), "elasticsearch_version", settings2); | ||
| assertNotSame(tff_v1_1, tff_v2); | ||
| } | ||
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| public void testCachingWithLuceneVersion() throws IOException { | ||
| PreConfiguredTokenFilter pctf = | ||
| PreConfiguredTokenFilter.luceneVersion("lucene_version", randomBoolean(), | ||
| (tokenStream, luceneVersion) -> new TokenFilter(tokenStream) { | ||
| @Override | ||
| public boolean incrementToken() { | ||
| return false; | ||
| } | ||
| }); | ||
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| IndexSettings indexSettings = IndexSettingsModule.newIndexSettings("test", Settings.EMPTY); | ||
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| Version version1 = Version.CURRENT; | ||
| Settings settings1 = Settings.builder().put(IndexMetaData.SETTING_VERSION_CREATED, version1) | ||
| .build(); | ||
| TokenFilterFactory tff_v1_1 = | ||
| pctf.get(indexSettings, TestEnvironment.newEnvironment(emptyNodeSettings), "lucene_version", settings1); | ||
| TokenFilterFactory tff_v1_2 = | ||
| pctf.get(indexSettings, TestEnvironment.newEnvironment(emptyNodeSettings), "lucene_version", settings1); | ||
| assertSame(tff_v1_1, tff_v1_2); | ||
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| byte major = VersionUtils.getFirstVersion().major; | ||
| Version version2 = Version.fromString(major - 1 + ".0.0"); | ||
| Settings settings2 = Settings.builder().put(IndexMetaData.SETTING_VERSION_CREATED, version2) | ||
| .build(); | ||
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| TokenFilterFactory tff_v2 = | ||
| pctf.get(indexSettings, TestEnvironment.newEnvironment(emptyNodeSettings), "lucene_version", settings2); | ||
| assertNotSame(tff_v1_1, tff_v2); | ||
| } | ||
| } |