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DATAES-515 - Override Elasticsearch's JarHell for tests.
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src/test/java/org/elasticsearch/bootstrap/JarHell.java
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src/test/java/org/elasticsearch/bootstrap/JarHell.java
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/*
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* Copyright 2018 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.elasticsearch.bootstrap;
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import java.io.IOException;
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import java.net.URISyntaxException;
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import java.net.URL;
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import java.util.Collections;
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import java.util.Set;
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import java.util.function.Consumer;
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/**
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* No words – No words can describe this piece of code and why we cannot opt-in/opt-out from JarHell check.
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* <p/>
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* Elasticsearch wants to raise awareness if there are two classes with the exact same name (class name and package
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* name) to avoid downstream issues. Turns out, in some case, such as Java 9 module descriptors, it's perfectly fine to
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* have exactly same class names (such as {@code module-info.class}) yet JarHell goes awry and prevents startup.
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* <p>
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* This class is here to be loaded before ES's JarHell class and to anyone that wants to survive JarHell, leave it here
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* or you will die a slow and painful death.
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* <p>
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* Oh, by the way: If Elasticsearch decides to upgrade JarHell with new method signatures, we should adapt to these.
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*
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* @author Mark Paluch
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*/
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public class JarHell {
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private JarHell() {}
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/**
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* Empty stub. Leave it here or you will die a slow and painful death.
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*
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* @param output
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* @throws IOException
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* @throws URISyntaxException
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*/
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public static void checkJarHell(Consumer<String> output) throws IOException, URISyntaxException {}
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/**
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* Empty stub. Leave it here or you will die a slow and painful death.
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*
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* @return
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*/
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public static Set<URL> parseClassPath() {
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return Collections.emptySet();
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}
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/**
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* Empty stub. Leave it here or you will die a slow and painful death.
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*
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* @param urls
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* @param output
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* @throws URISyntaxException
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* @throws IOException
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*/
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public static void checkJarHell(Set<URL> urls, Consumer<String> output) throws URISyntaxException, IOException {}
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/**
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* Empty stub. Leave it here or you will die a slow and painful death.
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*
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* @param targetVersion
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*/
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public static void checkVersionFormat(String targetVersion) {}
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/**
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* Empty stub. Leave it here or you will die a slow and painful death.
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*
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* @param resource
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* @param targetVersion
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*/
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public static void checkJavaVersion(String resource, String targetVersion) {}
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}
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