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HADOOP-15764. Addendum patch: Fix NPE in SecurityUtil.

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Akira Ajisaka 2018-09-28 10:02:56 +09:00
parent 2a5d4315bf
commit 5c8d90763c
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1 changed files with 6 additions and 4 deletions
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hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/SecurityUtil.java
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@ -586,12 +586,14 @@ public InetAddress getByName(String host) throws UnknownHostException {
* hadoop.security.token.service.use_ip=false * hadoop.security.token.service.use_ip=false
*/ */
protected static class QualifiedHostResolver implements HostResolver { protected static class QualifiedHostResolver implements HostResolver {
private List<String> searchDomains; private List<String> searchDomains = new ArrayList<>();
{ {
ResolverConfig resolverConfig = ResolverConfig.getCurrentConfig(); ResolverConfig resolverConfig = ResolverConfig.getCurrentConfig();
searchDomains = new ArrayList<>(); Name[] names = resolverConfig.searchPath();
for (Name name : resolverConfig.searchPath()) { if (names != null) {
searchDomains.add(name.toString()); for (Name name : names) {
searchDomains.add(name.toString());
}
} }
} }