Derby update operation does not timeout until the locks are released.
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Key: DERBY-4863
URL: https://issues.apache.org/jira/browse/DERBY-4863
Project: Derby
Issue Type: Bug
Components: Network Server
Affects Versions: 10.6.2.1
Environment: windows 7, jdk 1.5.0_22, derby 10.6.2.1
Reporter: Florin Herinean
Derby update statements do not timeout until the (write) locks are released.
The scenario involves 2 threads starting 2 separate transactions/connections,
each of them attempting to update the same row. The first thread starts the
transaction, locks the row (via update) then waits 40 seconds. The second
thread is started 5 seconds later and it has a 5 seconds timeout set on the
statement. Upon attempting to update the same row as the first thread, it times
out after 35 seconds (40 - 5) and not after the expected 5 seconds as specified
in the statement timeout.
A test case is attached.
Oracle and DB2 behaves as expected.
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