xwiki/xwiki-rendering — comment on commit 13e9d53fdfa599d05dfcd42298501212baeb6f98
File: xwiki-rendering-transformations/xwiki-rendering-transformation-linkchecker/src/main/java/org/xwiki/rendering/internal/transformation/linkchecker/DefaultHTTPChecker.java line 58
By vmassol:

Good point. However we don't need thread safety since DefaultHTTPChecker is executed on a single thread, the "Link checker Thread" so there's no concurrent HTTP connections going on.