s1monw commented on a change in pull request #637: LUCENE-8754: Prevent
ConcurrentModificationException in SegmentInfo
URL: https://github.com/apache/lucene-solr/pull/637#discussion_r273822504
##########
File path: lucene/core/src/java/org/apache/lucene/index/SegmentInfo.java
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@@ -111,12 +112,12 @@ public SegmentInfo(Directory dir, Version version,
Version minVersion, String na
this.maxDoc = maxDoc;
this.isCompoundFile = isCompoundFile;
this.codec = codec;
- this.diagnostics = Objects.requireNonNull(diagnostics);
+ this.diagnostics = Collections.unmodifiableMap(new
HashMap<>(Objects.requireNonNull(diagnostics)));
this.id = id;
if (id.length != StringHelper.ID_LENGTH) {
throw new IllegalArgumentException("invalid id: " + Arrays.toString(id));
}
- this.attributes = Objects.requireNonNull(attributes);
+ this.attributes = Collections.unmodifiableMap(new
HashMap<>(Objects.requireNonNull(attributes)));
Review comment:
++ I will be able to help here
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