problem about postgresql and jdbc
| От | Yousry Abdallah |
|---|---|
| Тема | problem about postgresql and jdbc |
| Дата | |
| Msg-id | 001501c1c11d$3017e810$8615b3ac@wwwwh13x9ln7t6 обсуждение исходный текст |
| Ответы |
Re: problem about postgresql and jdbc
|
| Список | pgsql-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).
(using the actual cygwin distribution and j2sdk1.4.0).
The Database sends following error message after connection:
PacketReceiveFragment: read() failed: Connection reset by peer
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
---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
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