Re: [JDBC] problem about postgresql and jdbc
От | Yousry Abdallah |
---|---|
Тема | Re: [JDBC] problem about postgresql and jdbc |
Дата | |
Msg-id | 001c01c1c41a$2b52b940$d27ab1ac@wwwwh13x9ln7t6 обсуждение исходный текст |
Список | pgsql-cygwin |
Hi, it was a configuration problem (something unusual ?). I forgot the database name in the url: jdbc:postgresql://localhost:5432/Database ---------- in Method java.sql.DriverManager.getConnection. Thanks, Yousry ----- Original Message ----- From: "# sriram #" <sriram@imsc.ernet.in> To: "Yousry Abdallah" <Yousry.Abdallah@epost.de> Sent: Tuesday, March 05, 2002 4:36 AM Subject: Re: [JDBC] problem about postgresql and jdbc > somewhat similar to what i experience... > check out if pgsql is still running when you execute the code > > On Fri, 1 Mar 2002, Yousry Abdallah wrote: > > !Date: Fri, 1 Mar 2002 13:32:43 +0100 > !From: Yousry Abdallah <Yousry.Abdallah@epost.de> > !To: pgsql-jdbc@postgresql.org, pgsql-cygwin@postgresql.org > !Subject: [JDBC] problem about postgresql and jdbc > ! > !Hi, > ! > !i have trouble using PostgreSQL7.1.3 via jdbc on my Windows XP System > !(using the actual cygwin distribution and j2sdk1.4.0). > ! > !The Database sends following error message after connection: > ! PacketReceiveFragment: read() failed: Connection reset by peer > ! > !The Java Program prints following stack trace: > ! ---Single simple object test and transaction test > ! pl.PlException: org.postgresql.util.PSQLException: > ! Something unusual has occured to cause the driver to fail. > ! Please report this exception: Exception: java.lang.NullPointerException > ! Stack Trace: > ! java.lang.NullPointerException > ! at org.postgresql.Connection.openConnection(Unknown Source) > ! at org.postgresql.Driver.connect(Unknown Source) > ! at java.sql.DriverManager.getConnection(DriverManager.java:512) > ! at java.sql.DriverManager.getConnection(DriverManager.java:171) > ! at pl.test.PostgresqlDatabase.getNewConnection(Unknown Source) > ! at pl.sql.RelationalDatabase.getConnection(RelationalDatabase.java:278) > ! at pl.PersistenceManager.getConnection(PersistenceManager.java:927) > ! at pl.PersistenceManager.saveObject(PersistenceManager.java:289) > ! at pl.PersistentObject.save(PersistentObject.java:133) > ! at pl.test.Test.performTest(Unknown Source) > ! at pl.test.Test.main(Unknown Source) > !End of Stack Trace > ! > !Thanks in advance, > !Yousry > ! > > ---------- > mAtScIeNcE > ---------- >
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