tillrohrmann commented on a change in pull request #9856: [FLINK-14337][hs]
Better handling of failed fetches
URL: https://github.com/apache/flink/pull/9856#discussion_r333626933
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/history/FsJobArchivist.java
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@@ -112,12 +112,19 @@ public static Path archiveJob(Path rootPath, JobID
jobId, Collection<ArchivedJso
JsonNode archive =
mapper.readTree(output.toByteArray());
Collection<ArchivedJson> archives = new ArrayList<>();
- for (JsonNode archivePart : archive.get(ARCHIVE)) {
- String path = archivePart.get(PATH).asText();
- String json = archivePart.get(JSON).asText();
+ for (JsonNode archivePart :
failOnNull(archive.get(ARCHIVE))) {
+ String path =
failOnNull(archivePart.get(PATH)).asText();
+ String json =
failOnNull(archivePart.get(JSON)).asText();
archives.add(new ArchivedJson(path, json));
}
return archives;
}
}
+
+ private static <X> X failOnNull(X value) throws IOException {
+ if (value == null) {
+ throw new IOException("Job archive did not conform to
expected format.");
Review comment:
Maybe we could add which `file` contained the invalid format.
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