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Posted to derby-dev@db.apache.org by "Rick Hillegas (JIRA)" <ji...@apache.org> on 2014/04/25 15:36:15 UTC
[jira] [Issue Comment Deleted] (DERBY-6554) Too much contention
followed by assert failure when accessing sequence in transaction that
created it
[ https://issues.apache.org/jira/browse/DERBY-6554?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Rick Hillegas updated DERBY-6554:
---------------------------------
Comment: was deleted
(was: The regression was backported to the 10.9 branch also. The script fails in the same way on the head of the 10.9 branch. However, it runs correctly on 10.9.1.0.
The regression was not backported to 10.8. The script runs correctly on the head of the 10.8 branch and it runs correctly on the new 10.8.3.0 release.)
> Too much contention followed by assert failure when accessing sequence in transaction that created it
> -----------------------------------------------------------------------------------------------------
>
> Key: DERBY-6554
> URL: https://issues.apache.org/jira/browse/DERBY-6554
> Project: Derby
> Issue Type: Bug
> Components: SQL
> Affects Versions: 10.11.0.0
> Reporter: Knut Anders Hatlen
>
> {noformat}
> ij version 10.11
> ij> connect 'jdbc:derby:memory:db;create=true' as c1;
> ij> autocommit off;
> ij> create sequence seq;
> 0 rows inserted/updated/deleted
> ij> values next value for seq;
> 1
> -----------
> ERROR X0Y84: Too much contention on sequence SEQ. This is probably caused by an uncommitted scan of the SYS.SYSSEQUENCES catalog. Do not query this catalog directly. Instead, use the SYSCS_UTIL.SYSCS_PEEK_AT_SEQUENCE function to view the current value of a query generator.
> ij> rollback;
> ERROR 08003: No current connection.
> ij> connect 'jdbc:derby:memory:db' as c2;
> ij(C2)> autocommit off;
> ij(C2)> create sequence seq;
> 0 rows inserted/updated/deleted
> ij(C2)> values next value for seq;
> 1
> -----------
> ERROR 38000: The exception 'org.apache.derby.shared.common.sanity.AssertFailure: ASSERT FAILED Identity being changed on a live cacheable. Old uuidString = 0ddd00a9-0145-98ba-79df-000007d88b08' was thrown while evaluating an expression.
> ERROR XJ001: Java exception: 'ASSERT FAILED Identity being changed on a live cacheable. Old uuidString = 0ddd00a9-0145-98ba-79df-000007d88b08: org.apache.derby.shared.common.sanity.AssertFailure'.
> {noformat}
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