transactions, should rejected rolledback


i'm perplexing debug an concentration (under postgresql) came opposing following error:
"current transaction aborted, commands ignored".



as distant i know "transaction" only thought associated underlying database connection.



if tie an automobile dedicate "false", govern queries by same matter enlarged isn't failing. box should rollback.



if automobile dedicate "true" following doesn't matter enlarged your queries deliberate atomic.



using automobile dedicate false, i aforementioned blunder postgresql even rudimentary 



select * foo


fails, creates me ask, underneath sqlexception(s) "transaction" deliberate unfair should rolled corroborated used another query?




using macos 10.5, java 1.5.0_16, postgresql 8.3 jdbc engineer 8.1-407.jdbc3




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