Steve Loughran created HADOOP-19299:
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Summary: ConcurrentModificationException in HttpReferrerAuditHeader
Key: HADOOP-19299
URL: https://issues.apache.org/jira/browse/HADOOP-19299
Project: Hadoop Common
Issue Type: Bug
Components: fs/s3
Affects Versions: 3.4.1
Reporter: Steve Loughran
Surfaced during a test run doing vector iO, where multiple parallel GETs were
being issued within the same audit span, just when the header is built by
enumerating the attributes.
{code}
queries = attributes.entrySet().stream()
.filter(e -> !filter.contains(e.getKey()))
.map(e -> e.getKey() + "=" + e.getValue())
.collect(Collectors.joining("&"));
{code}
Hypothesis: multiple GET requests are conflicting in updating/reading the
header.
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