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YARN-9512. [JDK11] TestAuxServices#testCustomizedAuxServiceClassPath fails because of ClassCastException. (#1806)

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Akira Ajisaka 2020-01-16 12:21:50 +09:00 committed by GitHub
parent d7c4f8ab21
commit 14c2c3d69d
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1 changed files with 15 additions and 7 deletions
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hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/TestAuxServices.java
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@ -61,10 +61,11 @@ import java.util.ArrayList;
import java.util.Arrays; import java.util.Arrays;
import java.util.Collection; import java.util.Collection;
import java.util.HashSet; import java.util.HashSet;
import java.util.List;
import java.util.Map; import java.util.Map;
import java.util.Map.Entry; import java.util.Map.Entry;
import java.util.Set; import java.util.Set;
import java.util.stream.Collectors;
import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileStatus; import org.apache.hadoop.fs.FileStatus;
import org.apache.hadoop.fs.FileSystem; import org.apache.hadoop.fs.FileSystem;
@ -242,13 +243,20 @@ public class TestAuxServices {
@Override @Override
public ByteBuffer getMetaData() { public ByteBuffer getMetaData() {
ClassLoader loader = Thread.currentThread().getContextClassLoader(); ClassLoader loader = Thread.currentThread().getContextClassLoader();
URL[] urls = ((URLClassLoader)loader).getURLs(); try {
List<String> urlString = new ArrayList<String>(); URL[] urls = ((URLClassLoader) loader).getURLs();
for (URL url : urls) { String joinedString = Arrays.stream(urls)
urlString.add(url.toString()); .map(URL::toString)
} .collect(Collectors.joining(","));
String joinedString = StringUtils.join(",", urlString);
return ByteBuffer.wrap(joinedString.getBytes()); return ByteBuffer.wrap(joinedString.getBytes());
} catch (ClassCastException e) {
// In Java 11+, Thread.currentThread().getContextClassLoader()
// returns jdk.internal.loader.ClassLoaders$AppClassLoader
// by default and it cannot cast to URLClassLoader.
// This exception does not happen when the custom class loader is
// used from AuxiliaryServiceWithCustomClassLoader.
return super.meta;
}
} }
} }