From f8fbf1fa0cc2013cbd28de173734112bc6af805d Mon Sep 17 00:00:00 2001 From: Robert Muir Date: Mon, 29 Jun 2015 23:13:45 -0400 Subject: [PATCH 1/3] Fail startup (and tests) on jar hell --- .../elasticsearch/bootstrap/Bootstrap.java | 6 +- .../org/elasticsearch/bootstrap/JarHell.java | 102 ++++++++++++++++++ .../org/elasticsearch/bootstrap/Security.java | 2 +- .../action/bulk/BulkProcessorTests.java | 2 +- .../bootstrap/BootstrapForTesting.java | 7 ++ .../client/node/NodeClientHeadersTests.java | 7 +- .../collect/CopyOnWriteHashMapTests.java | 2 +- .../lucene/index/FreqTermsEnumTests.java | 4 +- .../index/store/CorruptedFileTest.java | 3 +- .../index/store/CorruptedTranslogTests.java | 2 +- .../elasticsearch/test/XContentTestUtils.java | 2 +- .../ContextAndHeaderTransportTests.java | 5 +- plugins/pom.xml | 5 - pom.xml | 7 ++ 14 files changed, 138 insertions(+), 18 deletions(-) create mode 100644 core/src/main/java/org/elasticsearch/bootstrap/JarHell.java diff --git a/core/src/main/java/org/elasticsearch/bootstrap/Bootstrap.java b/core/src/main/java/org/elasticsearch/bootstrap/Bootstrap.java index ecd2667391980..0d8ef3453368f 100644 --- a/core/src/main/java/org/elasticsearch/bootstrap/Bootstrap.java +++ b/core/src/main/java/org/elasticsearch/bootstrap/Bootstrap.java @@ -179,6 +179,9 @@ public void run() { // install any plugins into classpath setupPlugins(environment); + // look for jar hell + JarHell.checkJarHell(); + // install SM after natives, shutdown hooks, etc. setupSecurity(settings, environment); @@ -375,7 +378,8 @@ private static void setupPlugins(Environment environment) throws IOException { return; } - ClassLoader classLoader = ClassLoader.getSystemClassLoader(); + // note: there's only one classloader here, but Uwe gets upset otherwise. + ClassLoader classLoader = Bootstrap.class.getClassLoader(); Class classLoaderClass = classLoader.getClass(); Method addURL = null; while (!classLoaderClass.equals(Object.class)) { diff --git a/core/src/main/java/org/elasticsearch/bootstrap/JarHell.java b/core/src/main/java/org/elasticsearch/bootstrap/JarHell.java new file mode 100644 index 0000000000000..5ab6350e7295b --- /dev/null +++ b/core/src/main/java/org/elasticsearch/bootstrap/JarHell.java @@ -0,0 +1,102 @@ +/* + * 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.bootstrap; + +import org.elasticsearch.common.SuppressForbidden; +import org.elasticsearch.common.io.PathUtils; + +import java.io.IOException; +import java.net.URL; +import java.net.URLClassLoader; +import java.nio.file.FileVisitResult; +import java.nio.file.Files; +import java.nio.file.Path; +import java.nio.file.SimpleFileVisitor; +import java.nio.file.attribute.BasicFileAttributes; +import java.util.Enumeration; +import java.util.HashMap; +import java.util.HashSet; +import java.util.Map; +import java.util.Set; +import java.util.jar.JarEntry; +import java.util.jar.JarFile; + +/** Simple check for duplicate class files across the classpath */ +class JarHell { + + /** + * Checks the current classloader for duplicate classes + * @throws IllegalStateException if jar hell was found + */ + @SuppressForbidden(reason = "needs JarFile for speed, just reading entries") + static void checkJarHell() throws Exception { + ClassLoader loader = JarHell.class.getClassLoader(); + if (loader instanceof URLClassLoader == false) { + return; + } + final Map clazzes = new HashMap<>(32768); + Set seenJars = new HashSet<>(); + for (final URL url : ((URLClassLoader)loader).getURLs()) { + String path = url.getPath(); + if (path.endsWith(".jar")) { + if (!seenJars.add(path)) { + continue; // we can't fail because of sheistiness with joda-time + } + try (JarFile file = new JarFile(url.getPath())) { + Enumeration elements = file.entries(); + while (elements.hasMoreElements()) { + String entry = elements.nextElement().getName(); + if (entry.endsWith(".class")) { + checkClass(clazzes, entry, url); + } + } + } + } else { + Files.walkFileTree(PathUtils.get(url.toURI()), new SimpleFileVisitor() { + @Override + public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException { + String entry = file.toString(); + if (entry.endsWith(".class")) { + checkClass(clazzes, entry, url); + } + return super.visitFile(file, attrs); + } + }); + } + } + } + + @SuppressForbidden(reason = "proper use of URL to reduce noise") + static void checkClass(Map clazzes, String clazz, URL url) { + if (clazz.startsWith("org/apache/log4j")) { + return; // go figure, jar hell for what should be System.out.println... + } + if (clazz.equals("org/joda/time/base/BaseDateTime.class")) { + return; // apparently this is intentional... clean this up + } + URL previous = clazzes.put(clazz, url); + if (previous != null) { + throw new IllegalStateException("jar hell!" + System.lineSeparator() + + "class: " + clazz + System.lineSeparator() + + "jar1: " + previous.getPath() + System.lineSeparator() + + "jar2: " + url.getPath()); + } + } +} diff --git a/core/src/main/java/org/elasticsearch/bootstrap/Security.java b/core/src/main/java/org/elasticsearch/bootstrap/Security.java index 6bd000e37e401..3e4391aceac8f 100644 --- a/core/src/main/java/org/elasticsearch/bootstrap/Security.java +++ b/core/src/main/java/org/elasticsearch/bootstrap/Security.java @@ -81,7 +81,7 @@ static void configure(Environment environment) throws Exception { */ @SuppressForbidden(reason = "proper use of URL") static void setCodebaseProperties() { - ClassLoader loader = ClassLoader.getSystemClassLoader(); + ClassLoader loader = Security.class.getClassLoader(); if (loader instanceof URLClassLoader) { for (URL url : ((URLClassLoader)loader).getURLs()) { for (Map.Entry e : SPECIAL_JARS.entrySet()) { diff --git a/core/src/test/java/org/elasticsearch/action/bulk/BulkProcessorTests.java b/core/src/test/java/org/elasticsearch/action/bulk/BulkProcessorTests.java index ad1e9d977192d..358ffb820f918 100644 --- a/core/src/test/java/org/elasticsearch/action/bulk/BulkProcessorTests.java +++ b/core/src/test/java/org/elasticsearch/action/bulk/BulkProcessorTests.java @@ -19,7 +19,7 @@ package org.elasticsearch.action.bulk; -import com.carrotsearch.ant.tasks.junit4.dependencies.com.carrotsearch.randomizedtesting.generators.RandomPicks; +import com.carrotsearch.randomizedtesting.generators.RandomPicks; import org.elasticsearch.action.get.MultiGetItemResponse; import org.elasticsearch.action.get.MultiGetRequestBuilder; diff --git a/core/src/test/java/org/elasticsearch/bootstrap/BootstrapForTesting.java b/core/src/test/java/org/elasticsearch/bootstrap/BootstrapForTesting.java index 56d6e42fd4dc6..1fbb1462ac6b1 100644 --- a/core/src/test/java/org/elasticsearch/bootstrap/BootstrapForTesting.java +++ b/core/src/test/java/org/elasticsearch/bootstrap/BootstrapForTesting.java @@ -50,6 +50,13 @@ public class BootstrapForTesting { static { // just like bootstrap, initialize natives, then SM Bootstrap.initializeNatives(true, true, true); + + // check for jar hell + try { + JarHell.checkJarHell(); + } catch (Exception e) { + throw new RuntimeException("found jar hell in test classpath", e); + } // make sure java.io.tmpdir exists always (in case code uses it in a static initializer) Path javaTmpDir = PathUtils.get(Objects.requireNonNull(System.getProperty("java.io.tmpdir"), diff --git a/core/src/test/java/org/elasticsearch/client/node/NodeClientHeadersTests.java b/core/src/test/java/org/elasticsearch/client/node/NodeClientHeadersTests.java index be2df27197b87..429cafdef5402 100644 --- a/core/src/test/java/org/elasticsearch/client/node/NodeClientHeadersTests.java +++ b/core/src/test/java/org/elasticsearch/client/node/NodeClientHeadersTests.java @@ -19,10 +19,12 @@ package org.elasticsearch.client.node; -import com.carrotsearch.ant.tasks.junit4.dependencies.com.google.common.collect.ImmutableSet; +import com.google.common.collect.ImmutableSet; + import org.elasticsearch.action.ActionListener; import org.elasticsearch.action.ActionRequest; import org.elasticsearch.action.GenericAction; +import org.elasticsearch.action.support.ActionFilter; import org.elasticsearch.action.support.ActionFilters; import org.elasticsearch.action.support.TransportAction; import org.elasticsearch.client.AbstractClientHeadersTests; @@ -31,6 +33,7 @@ import org.elasticsearch.common.settings.Settings; import org.elasticsearch.threadpool.ThreadPool; +import java.util.Collections; import java.util.HashMap; /** @@ -38,7 +41,7 @@ */ public class NodeClientHeadersTests extends AbstractClientHeadersTests { - private static final ActionFilters EMPTY_FILTERS = new ActionFilters(ImmutableSet.of()); + private static final ActionFilters EMPTY_FILTERS = new ActionFilters(Collections.emptySet()); @Override protected Client buildClient(Settings headersSettings, GenericAction[] testedActions) { diff --git a/core/src/test/java/org/elasticsearch/common/collect/CopyOnWriteHashMapTests.java b/core/src/test/java/org/elasticsearch/common/collect/CopyOnWriteHashMapTests.java index f86f4cf85562f..6cdde46941896 100644 --- a/core/src/test/java/org/elasticsearch/common/collect/CopyOnWriteHashMapTests.java +++ b/core/src/test/java/org/elasticsearch/common/collect/CopyOnWriteHashMapTests.java @@ -19,7 +19,7 @@ package org.elasticsearch.common.collect; -import com.carrotsearch.ant.tasks.junit4.dependencies.com.google.common.collect.ImmutableMap; +import com.google.common.collect.ImmutableMap; import org.elasticsearch.test.ElasticsearchTestCase; import java.util.HashMap; diff --git a/core/src/test/java/org/elasticsearch/common/lucene/index/FreqTermsEnumTests.java b/core/src/test/java/org/elasticsearch/common/lucene/index/FreqTermsEnumTests.java index 02468f98ceebe..840ebd8e9b827 100644 --- a/core/src/test/java/org/elasticsearch/common/lucene/index/FreqTermsEnumTests.java +++ b/core/src/test/java/org/elasticsearch/common/lucene/index/FreqTermsEnumTests.java @@ -19,8 +19,8 @@ package org.elasticsearch.common.lucene.index; -import com.carrotsearch.ant.tasks.junit4.dependencies.com.google.common.collect.Lists; -import com.carrotsearch.ant.tasks.junit4.dependencies.com.google.common.collect.Maps; +import com.google.common.collect.Lists; +import com.google.common.collect.Maps; import com.google.common.collect.Sets; import org.apache.lucene.analysis.core.KeywordAnalyzer; diff --git a/core/src/test/java/org/elasticsearch/index/store/CorruptedFileTest.java b/core/src/test/java/org/elasticsearch/index/store/CorruptedFileTest.java index f98a775dfe808..0ee11bdce533c 100644 --- a/core/src/test/java/org/elasticsearch/index/store/CorruptedFileTest.java +++ b/core/src/test/java/org/elasticsearch/index/store/CorruptedFileTest.java @@ -18,10 +18,11 @@ */ package org.elasticsearch.index.store; -import com.carrotsearch.ant.tasks.junit4.dependencies.com.google.common.collect.Lists; import com.carrotsearch.randomizedtesting.generators.RandomPicks; import com.google.common.base.Charsets; import com.google.common.base.Predicate; +import com.google.common.collect.Lists; + import org.apache.lucene.codecs.CodecUtil; import org.apache.lucene.index.CheckIndex; import org.apache.lucene.index.IndexFileNames; diff --git a/core/src/test/java/org/elasticsearch/index/store/CorruptedTranslogTests.java b/core/src/test/java/org/elasticsearch/index/store/CorruptedTranslogTests.java index b03c7d903272e..ae37466981b49 100644 --- a/core/src/test/java/org/elasticsearch/index/store/CorruptedTranslogTests.java +++ b/core/src/test/java/org/elasticsearch/index/store/CorruptedTranslogTests.java @@ -19,7 +19,7 @@ package org.elasticsearch.index.store; -import com.carrotsearch.ant.tasks.junit4.dependencies.com.google.common.collect.Lists; +import com.google.common.collect.Lists; import com.carrotsearch.randomizedtesting.generators.RandomPicks; import org.elasticsearch.action.admin.cluster.node.stats.NodesStatsResponse; diff --git a/core/src/test/java/org/elasticsearch/test/XContentTestUtils.java b/core/src/test/java/org/elasticsearch/test/XContentTestUtils.java index 1f1b8eff710ed..917c66a452bec 100644 --- a/core/src/test/java/org/elasticsearch/test/XContentTestUtils.java +++ b/core/src/test/java/org/elasticsearch/test/XContentTestUtils.java @@ -19,7 +19,7 @@ package org.elasticsearch.test; -import com.carrotsearch.ant.tasks.junit4.dependencies.com.google.common.collect.Lists; +import com.google.common.collect.Lists; import org.elasticsearch.common.xcontent.ToXContent; import org.elasticsearch.common.xcontent.XContentBuilder; import org.elasticsearch.common.xcontent.XContentFactory; diff --git a/core/src/test/java/org/elasticsearch/transport/ContextAndHeaderTransportTests.java b/core/src/test/java/org/elasticsearch/transport/ContextAndHeaderTransportTests.java index db9219785c8d6..40cb626ce93d5 100644 --- a/core/src/test/java/org/elasticsearch/transport/ContextAndHeaderTransportTests.java +++ b/core/src/test/java/org/elasticsearch/transport/ContextAndHeaderTransportTests.java @@ -19,7 +19,6 @@ package org.elasticsearch.transport; -import com.carrotsearch.ant.tasks.junit4.dependencies.com.google.common.collect.ImmutableList; import org.apache.http.impl.client.CloseableHttpClient; import org.apache.http.impl.client.HttpClients; import org.elasticsearch.action.*; @@ -380,7 +379,9 @@ public String description() { @Override public Collection> modules() { - return ImmutableList.of(ActionLoggingModule.class); + Collection> classes = new ArrayList<>(); + classes.add(ActionLoggingModule.class); + return classes; } } diff --git a/plugins/pom.xml b/plugins/pom.xml index 00706f9c0887c..b40ebb74fac2f 100644 --- a/plugins/pom.xml +++ b/plugins/pom.xml @@ -29,11 +29,6 @@ hamcrest-all test - - junit - junit - test - org.apache.lucene lucene-test-framework diff --git a/pom.xml b/pom.xml index 31262ac3a829b..b637996bb0e90 100644 --- a/pom.xml +++ b/pom.xml @@ -163,6 +163,13 @@ org.apache.lucene lucene-test-framework ${lucene.maven.version} + + + + com.carrotsearch.randomizedtesting + junit4-ant + + From b58eb35dfa23abcd99ffd1cbdcd751734d90a4d4 Mon Sep 17 00:00:00 2001 From: Robert Muir Date: Tue, 30 Jun 2015 00:12:40 -0400 Subject: [PATCH 2/3] detect jar hell in tests better and fix more stuff --- .../java/org/elasticsearch/bootstrap/JarHell.java | 15 +++++++++++---- plugins/cloud-azure/pom.xml | 6 ++++++ plugins/cloud-gce/pom.xml | 6 ++++++ 3 files changed, 23 insertions(+), 4 deletions(-) diff --git a/core/src/main/java/org/elasticsearch/bootstrap/JarHell.java b/core/src/main/java/org/elasticsearch/bootstrap/JarHell.java index 5ab6350e7295b..a461b472a550b 100644 --- a/core/src/main/java/org/elasticsearch/bootstrap/JarHell.java +++ b/core/src/main/java/org/elasticsearch/bootstrap/JarHell.java @@ -64,16 +64,23 @@ static void checkJarHell() throws Exception { while (elements.hasMoreElements()) { String entry = elements.nextElement().getName(); if (entry.endsWith(".class")) { + // for jar format, the separator is defined as / + entry = entry.replace('/', '.').substring(0, entry.length() - 6); checkClass(clazzes, entry, url); } } } } else { - Files.walkFileTree(PathUtils.get(url.toURI()), new SimpleFileVisitor() { + // case for tests: where we have class files in the classpath + final Path root = PathUtils.get(url.toURI()); + final String sep = root.getFileSystem().getSeparator(); + Files.walkFileTree(root, new SimpleFileVisitor() { @Override public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException { - String entry = file.toString(); + String entry = root.relativize(file).toString(); if (entry.endsWith(".class")) { + // normalize with the os separator + entry = entry.replace(sep, ".").substring(0, entry.length() - 6); checkClass(clazzes, entry, url); } return super.visitFile(file, attrs); @@ -85,10 +92,10 @@ public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IO @SuppressForbidden(reason = "proper use of URL to reduce noise") static void checkClass(Map clazzes, String clazz, URL url) { - if (clazz.startsWith("org/apache/log4j")) { + if (clazz.startsWith("org.apache.log4j")) { return; // go figure, jar hell for what should be System.out.println... } - if (clazz.equals("org/joda/time/base/BaseDateTime.class")) { + if (clazz.equals("org.joda.time.base.BaseDateTime")) { return; // apparently this is intentional... clean this up } URL previous = clazzes.put(clazz, url); diff --git a/plugins/cloud-azure/pom.xml b/plugins/cloud-azure/pom.xml index f6c8b42601e38..ec48e39af9184 100644 --- a/plugins/cloud-azure/pom.xml +++ b/plugins/cloud-azure/pom.xml @@ -44,6 +44,12 @@ governing permissions and limitations under the License. --> com.microsoft.azure azure-management-compute 0.7.0 + + + stax + stax-api + + com.microsoft.azure diff --git a/plugins/cloud-gce/pom.xml b/plugins/cloud-gce/pom.xml index 926a94a2dab51..1640df984652d 100644 --- a/plugins/cloud-gce/pom.xml +++ b/plugins/cloud-gce/pom.xml @@ -43,6 +43,12 @@ governing permissions and limitations under the License. --> com.google.apis google-api-services-compute ${google.gce.version} + + + com.google.guava + guava-jdk5 + + From 46256e25f619d2287b555646d44a464db3e7a305 Mon Sep 17 00:00:00 2001 From: Robert Muir Date: Tue, 30 Jun 2015 00:55:11 -0400 Subject: [PATCH 3/3] fix licensing --- .../licenses/stax-api-1.0.1.jar.sha1 | 1 - plugins/cloud-gce/licenses/guava-LICENSE.txt | 202 ------------------ plugins/cloud-gce/licenses/guava-NOTICE.txt | 1 - .../licenses/guava-jdk5-13.0.jar.sha1 | 1 - 4 files changed, 205 deletions(-) delete mode 100644 plugins/cloud-azure/licenses/stax-api-1.0.1.jar.sha1 delete mode 100644 plugins/cloud-gce/licenses/guava-LICENSE.txt delete mode 100644 plugins/cloud-gce/licenses/guava-NOTICE.txt delete mode 100644 plugins/cloud-gce/licenses/guava-jdk5-13.0.jar.sha1 diff --git a/plugins/cloud-azure/licenses/stax-api-1.0.1.jar.sha1 b/plugins/cloud-azure/licenses/stax-api-1.0.1.jar.sha1 deleted file mode 100644 index cc1b8ce16ab1d..0000000000000 --- a/plugins/cloud-azure/licenses/stax-api-1.0.1.jar.sha1 +++ /dev/null @@ -1 +0,0 @@ -49c100caf72d658aca8e58bd74a4ba90fa2b0d70 diff --git a/plugins/cloud-gce/licenses/guava-LICENSE.txt b/plugins/cloud-gce/licenses/guava-LICENSE.txt deleted file mode 100644 index d645695673349..0000000000000 --- a/plugins/cloud-gce/licenses/guava-LICENSE.txt +++ /dev/null @@ -1,202 +0,0 @@ - - Apache License - Version 2.0, January 2004 - http://www.apache.org/licenses/ - - TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION - - 1. 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We also recommend that a - file or class name and description of purpose be included on the - same "printed page" as the copyright notice for easier - identification within third-party archives. - - Copyright [yyyy] [name of copyright owner] - - Licensed 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. diff --git a/plugins/cloud-gce/licenses/guava-NOTICE.txt b/plugins/cloud-gce/licenses/guava-NOTICE.txt deleted file mode 100644 index 8d1c8b69c3fce..0000000000000 --- a/plugins/cloud-gce/licenses/guava-NOTICE.txt +++ /dev/null @@ -1 +0,0 @@ - diff --git a/plugins/cloud-gce/licenses/guava-jdk5-13.0.jar.sha1 b/plugins/cloud-gce/licenses/guava-jdk5-13.0.jar.sha1 deleted file mode 100644 index f92a91191d5c9..0000000000000 --- a/plugins/cloud-gce/licenses/guava-jdk5-13.0.jar.sha1 +++ /dev/null @@ -1 +0,0 @@ -381ae6c8add7c98e9bcddb1e0b898400cd6fc3f7