https://issues.apache.org/bugzilla/show_bug.cgi?id=51150
Bug #: 51150
Summary: Add DecimalFormatCache.clean() method to prevent
memory leak with Tomcat
Product: Fop
Version: 1.0
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P2
Component: general
AssignedTo: [email protected]
ReportedBy: [email protected]
Classification: Unclassified
Fop should provide method to clean DecimalFormatCache (and other ThreadLocals,
if any).
Tomcat 7.0.11 complains about a memory leak:
SEVERE: The web application [/(snip)] created a ThreadLocal with key of type
[org.apache.fop.util.DecimalFormatCache.DecimalFormatThreadLocal] (value
[org.apache.fop.util.DecimalFormatCache$DecimalFormatThreadLocal@fb637b]) and a
value of type [java.text.DecimalFormat] (value [java.text.DecimalFormat@674dc])
but failed to remove it when the web application was stopped. Threads are going
to be renewed over time to try and avoid a probable memory leak.
When FOP is being used with Tomcat, user should be able to add
DecimalFormatCache.clean() in destroy method of ContextListener, and prevent
memory leak.
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