Thread safety issues in AbandonedTrace class
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Key: DBCP-271
URL: https://issues.apache.org/jira/browse/DBCP-271
Project: Commons Dbcp
Issue Type: Bug
Reporter: Sebb
Fix For: 1.3
DBCP-270 implies that the AbandonedTrace class is called from multiple threads,
however it is not thread-safe:
* SimpleDateFormat is not threadsafe, but it is called without protection.
* various instance fields need to be made final to ensure that they are
published correctly (memory visibility)
* getLastUsed/setLastUsed need to be synchronized
Also, the Javadoc for printStackTrace() is wrong.
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