XsdUtils.getLocalTimeString not thread safe
-------------------------------------------
Key: MUSE-297
URL: https://issues.apache.org/jira/browse/MUSE-297
Project: Muse
Issue Type: Bug
Components: WSDM Event Format (WEF)
Affects Versions: 2.2.0
Environment: Discovered on MacOS 10.5.5. But I believe it happens on
all platforms
Reporter: Hang Sun
Assignee: Dan Jemiolo
Priority: Blocker
The XsdUtils class uses a static SimpleDateFormat object to format date objects
(see below). According to JDK:
>>>
Synchronization
Date formats are not synchronized. It is recommended to create separate format
instances for each thread. If multiple threads access a format concurrently, it
must be synchronized externally.
<<<
We did observe strange exceptions from that class when the code runs in
multi-threaded environment. This forces us to put a hard sync. on unmarshal
ManagementEvent objects.
------
public class XsdUtils
{
//
// Used to format dates in the XMLSchema dateTime format
//
private static DateFormat _FORMATTER =
new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss");
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