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Posted to issues@ozone.apache.org by GitBox <gi...@apache.org> on 2019/11/16 00:14:01 UTC
[GitHub] [hadoop-ozone] swagle commented on a change in pull request #199:
HDDS-2502. Close ScmClient in RatisInsight.
swagle commented on a change in pull request #199: HDDS-2502. Close ScmClient in RatisInsight.
URL: https://github.com/apache/hadoop-ozone/pull/199#discussion_r347059169
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File path: hadoop-ozone/insight/src/main/java/org/apache/hadoop/ozone/insight/datanode/RatisInsight.java
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@@ -47,22 +48,24 @@ public RatisInsight(OzoneConfiguration conf) {
public List<LoggerSource> getRelatedLoggers(boolean verbose) {
List<LoggerSource> result = new ArrayList<>();
try {
- ScmClient scmClient = createScmClient(conf);
- Pipeline pipeline = scmClient.listPipelines()
- .stream()
- .filter(d -> d.getNodes().size() > 1)
- .findFirst()
- .get();
- for (DatanodeDetails datanode : pipeline.getNodes()) {
- Component dn =
- new Component(Type.DATANODE, datanode.getUuid().toString(),
- datanode.getHostName(), 9882);
- result
- .add(new LoggerSource(dn, "org.apache.ratis.server.impl",
- defaultLevel(verbose)));
+ Optional<Pipeline> pipeline;
+ try (ScmClient scmClient = createScmClient(conf)) {
+ pipeline = scmClient.listPipelines()
+ .stream()
+ .filter(d -> d.getNodes().size() > 1)
+ .findFirst();
+ }
+ if (pipeline.isPresent()) {
+ for (DatanodeDetails datanode : pipeline.get().getNodes()) {
+ Component dn = new Component(
+ Type.DATANODE, datanode.getUuid().toString(),
+ datanode.getHostName(), 9882);
+ result.add(new LoggerSource(dn, "org.apache.ratis.server.impl",
+ defaultLevel(verbose)));
+ }
}
} catch (IOException e) {
- throw new RuntimeException("Can't enumerate required logs", e);
+ throw new ExceptionInInitializerError(e);
Review comment:
@adoroszlai Agree, much better exception to throw.
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