https://issues.apache.org/bugzilla/show_bug.cgi?id=50265
Summary: FormatDateSupport.dateFormatCache lazy init is not
safe
Product: Taglibs
Version: unspecified
Platform: PC
OS/Version: Windows XP
Status: NEW
Severity: normal
Priority: P2
Component: Standard Taglib
AssignedTo: dev@tomcat.apache.org
ReportedBy: s...@apache.org
FormatDateSupport.dateFormatCache is private and static.
It is initialised in the createFormatter method, however access is not
synchronised, so the field might not be published correctly.
This can result in different threads getting different instances.
If this is acceptable, then this should be documented in the code.
Otherwise consider using IODH idiom.
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