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04-15-2008, 11:02 PM
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 Postgresql 8.0, Tomcat 5.5 postgresql-8.0.309.jdbc3.jar and hiber Hi All, I am trying to upgrade a web app running postgres7.3, tomcat 4.1 to the above environment. I have installed the new postgres 8.0 port and the postgresql as a service under user postgres. I can deploy the application to tomcat and everything seems to be running ok until I try to open a database session. The program gets kicked out with no exceptions. ( I have the open session method sandwiched in a try-catch clause and there is also finally segment). As soon as I try to open a db session, the program goes to finally clause with no exception thrown and when looked into the postgres log, I see the following error message "2005-02-01 00:23:55 LOG: could not receive data from client: No connection could be made because the target machine actively refused it. 2005-02-01 00:23:55 LOG: unexpected EOF on client connection" Any help is greatly appreciated. Regards Kishore Kolli Siemens Subscriber Networks Email: <mailto:Kishore.Kolli@siemens.com> Kishore.Kolli@siemens.com      |
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04-15-2008, 11:02 PM
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| Re: Postgresql 8.0, Tomcat 5.5 postgresql-8.0.309.jdbc3.jar On Mon, 31 Jan 2005, Kolli, Kishore wrote: > I am trying to upgrade a web app running postgres7.3, tomcat 4.1 to the > above environment. I have installed the new postgres 8.0 port and the > postgresql as a service under user postgres. I can deploy the application to > tomcat and everything seems to be running ok until I try to open a database > session. The program gets kicked out with no exceptions. ( I have the open > session method sandwiched in a try-catch clause and there is also finally > segment). As soon as I try to open a db session, the program goes to finally > clause with no exception thrown and when looked into the postgres log, I see > the following error message > > "2005-02-01 00:23:55 LOG: could not receive data from client: No connection > could be made because the target machine actively refused it. > 2005-02-01 00:23:55 LOG: unexpected EOF on client connection" > The server code in question (src/backend/libpq/pqcomm.c) explains why no error is sent to the client. Why the error happens in the first place is beyond me though. Kris Jurka r = secure_read(MyProcPort, PqRecvBuffer + PqRecvLength, PQ_BUFFER_SIZE - PqRecvLength); if (r < 0) { if (errno == EINTR) continue; /* Ok if interrupted */ /* * Careful: an ereport() that tries to write to the client * would cause recursion to here, leading to stack overflow * and core dump! This message must go *only* to the * postmaster log. */ ereport(COMMERROR, (errcode_for_socket_access(), errmsg("could not receive data from client: %m"))); return EOF; } ---------------------------(end of broadcast)--------------------------- TIP 9: the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match |
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