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From "Stepan Pilschikov (JIRA)" <j...@apache.org>
Subject [jira] [Created] (IGNITE-9620) MVCC: select throwing `Transaction is already completed` exception after mvcc missmatch
Date Mon, 17 Sep 2018 15:03:00 GMT
Stepan Pilschikov created IGNITE-9620:
-----------------------------------------

             Summary: MVCC: select  throwing `Transaction is already completed` exception
after mvcc missmatch
                 Key: IGNITE-9620
                 URL: https://issues.apache.org/jira/browse/IGNITE-9620
             Project: Ignite
          Issue Type: Bug
          Components: mvcc
    Affects Versions: 2.7
            Reporter: Stepan Pilschikov


Using sqlline with autoCommit=false

{code}
switch to first user
- select * from test:
    result: [[1, 1, test_1]]
switch to second user
- insert into test(id, field_int, field_var) values (2, 2, 'test_2'):
- commit:
- select * from test:
    result: [[1, 1, test_1], [2, 2, test_2]]
switch to first user
- insert into test(id, field_int, field_var) values (2, 2, 'test_2'):
    error: Mvcc version mismatch.
- select * from test
{code}

During last select throwing exception
{code}
0: jdbc:ignite:thin://127.0.0.1:10800> select * from test;
select * from test;
Error: Transaction is already completed. (state=25000,code=0)
java.sql.SQLException: Transaction is already completed.
	at org.apache.ignite.internal.jdbc.thin.JdbcThinConnection.sendRequest(JdbcThinConnection.java:764)
	at org.apache.ignite.internal.jdbc.thin.JdbcThinStatement.execute0(JdbcThinStatement.java:212)
	at org.apache.ignite.internal.jdbc.thin.JdbcThinStatement.execute(JdbcThinStatement.java:475)
	at sqlline.Commands.execute(Commands.java:823)
	at sqlline.Commands.sql(Commands.java:733)
	at sqlline.SqlLine.dispatch(SqlLine.java:795)
	at sqlline.SqlLine.begin(SqlLine.java:668)
	at sqlline.SqlLine.start(SqlLine.java:373)
	at sqlline.SqlLine.main(SqlLine.java:265)
{code}

Exception in node logs:
{code}
[17:44:36,234][SEVERE][jdbc-request-handler-worker-#61][JdbcRequestHandler] Failed to execute
SQL query [reqId=0, req=JdbcQueryExecuteRequest [schemaName=PUBLIC, pageSize=1024, maxRows=0,
sqlQry=select * from test, args=Object[] [], stmtType=ANY_STATEMENT_TYPE, autoCommit=false]]
class org.apache.ignite.internal.processors.query.IgniteSQLException: Transaction is already
completed.
	at org.apache.ignite.internal.processors.cache.mvcc.MvccUtils.checkActive(MvccUtils.java:623)
	at org.apache.ignite.internal.processors.cache.mvcc.MvccUtils.requestSnapshot(MvccUtils.java:780)
	at org.apache.ignite.internal.processors.cache.mvcc.MvccUtils.mvccTracker(MvccUtils.java:761)
	at org.apache.ignite.internal.processors.cache.mvcc.MvccUtils.mvccTracker(MvccUtils.java:744)
	at org.apache.ignite.internal.processors.query.h2.IgniteH2Indexing.runQueryTwoStep(IgniteH2Indexing.java:1731)
	at org.apache.ignite.internal.processors.query.h2.IgniteH2Indexing.doRunDistributedQuery(IgniteH2Indexing.java:2521)
	at org.apache.ignite.internal.processors.query.h2.IgniteH2Indexing.querySqlFields(IgniteH2Indexing.java:2074)
	at org.apache.ignite.internal.processors.query.GridQueryProcessor$4.applyx(GridQueryProcessor.java:2139)
	at org.apache.ignite.internal.processors.query.GridQueryProcessor$4.applyx(GridQueryProcessor.java:2134)
	at org.apache.ignite.internal.util.lang.IgniteOutClosureX.apply(IgniteOutClosureX.java:36)
	at org.apache.ignite.internal.processors.query.GridQueryProcessor.executeQuery(GridQueryProcessor.java:2711)
	at org.apache.ignite.internal.processors.query.GridQueryProcessor.querySqlFields(GridQueryProcessor.java:2148)
	at org.apache.ignite.internal.processors.odbc.jdbc.JdbcRequestHandler.executeQuery(JdbcRequestHandler.java:511)
	at org.apache.ignite.internal.processors.odbc.jdbc.JdbcRequestHandler.doHandle(JdbcRequestHandler.java:245)
	at org.apache.ignite.internal.processors.odbc.jdbc.JdbcRequestHandlerWorker.body(JdbcRequestHandlerWorker.java:90)
	at org.apache.ignite.internal.util.worker.GridWorker.run(GridWorker.java:110)
	at java.lang.Thread.run(Thread.java:748)
{code}

Works for any query which are throwing mvcc missmatch exception
After commit select query works again



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