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Retry when dependency resolution fails in ModifiedClassPathClassLoader

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Closes gh-22763
This commit is contained in:
Andy Wilkinson
2020-08-06 15:12:20 +01:00
parent 63f7c75b61
commit 07699ea6ff
1 changed files with 23 additions and 15 deletions
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38
spring-boot-project/spring-boot-tools/spring-boot-test-support/src/main/java/org/springframework/boot/testsupport/classpath/ModifiedClassPathClassLoader.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2012-2019 the original author or authors.
* Copyright 2012-2020 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -66,6 +66,8 @@ final class ModifiedClassPathClassLoader extends URLClassLoader {
private static final Pattern INTELLIJ_CLASSPATH_JAR_PATTERN = Pattern.compile(".*classpath(\\d+)?\\.jar");
private static final int MAX_RESOLUTION_ATTEMPTS = 5;
private final ClassLoader junitLoader;
ModifiedClassPathClassLoader(URL[] urls, ClassLoader parent, ClassLoader junitLoader) {
@@ -191,6 +193,7 @@ final class ModifiedClassPathClassLoader extends URLClassLoader {
}
private static List<URL> resolveCoordinates(String[] coordinates) {
Exception latestFailure = null;
DefaultServiceLocator serviceLocator = MavenRepositorySystemUtils.newServiceLocator();
serviceLocator.addService(RepositoryConnectorFactory.class, BasicRepositoryConnectorFactory.class);
serviceLocator.addService(TransporterFactory.class, HttpTransporterFactory.class);
@@ -198,22 +201,27 @@ final class ModifiedClassPathClassLoader extends URLClassLoader {
DefaultRepositorySystemSession session = MavenRepositorySystemUtils.newSession();
LocalRepository localRepository = new LocalRepository(System.getProperty("user.home") + "/.m2/repository");
session.setLocalRepositoryManager(repositorySystem.newLocalRepositoryManager(session, localRepository));
CollectRequest collectRequest = new CollectRequest(null, Arrays.asList(
new RemoteRepository.Builder("central", "default", "https://repo.maven.apache.org/maven2").build()));
collectRequest.setDependencies(createDependencies(coordinates));
DependencyRequest dependencyRequest = new DependencyRequest(collectRequest, null);
try {
DependencyResult result = repositorySystem.resolveDependencies(session, dependencyRequest);
List<URL> resolvedArtifacts = new ArrayList<>();
for (ArtifactResult artifact : result.getArtifactResults()) {
resolvedArtifacts.add(artifact.getArtifact().getFile().toURI().toURL());
for (int i = 0; i < MAX_RESOLUTION_ATTEMPTS; i++) {
CollectRequest collectRequest = new CollectRequest(null,
Arrays.asList(
new RemoteRepository.Builder("central", "default", "https://repo.maven.apache.org/maven2")
.build()));
collectRequest.setDependencies(createDependencies(coordinates));
DependencyRequest dependencyRequest = new DependencyRequest(collectRequest, null);
try {
DependencyResult result = repositorySystem.resolveDependencies(session, dependencyRequest);
List<URL> resolvedArtifacts = new ArrayList<>();
for (ArtifactResult artifact : result.getArtifactResults()) {
resolvedArtifacts.add(artifact.getArtifact().getFile().toURI().toURL());
}
return resolvedArtifacts;
}
catch (Exception ex) {
latestFailure = ex;
}
return resolvedArtifacts;
}
catch (Exception ignored) {
return Collections.emptyList();
}
throw new IllegalStateException("Resolution failed after " + MAX_RESOLUTION_ATTEMPTS + " attempts",
latestFailure);
}
private static List<Dependency> createDependencies(String[] allCoordinates) {