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problem with jpa+spring

 
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i am working a project with jpa+spring+maven+flex
i have this exception in a popup when my application runs :

in the console i have :
i attach to the subject persistence.xml and springconfiguration.xml please help me
 
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I cannot see: persistence.xml and springconfiguration.xml. Please, attach them.
 
hana jenhani
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this is applicationContext.xml

this is persistence.xml
 
Lucas Smith
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Post the code that tries to open hibernate session.
 
hana jenhani
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hana jenhani
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I think it is a problem of configuration not in the code no?
 
Lucas Smith
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Try if you can create DB connection with plain JDBC:
http://www.mkyong.com/jdbc/how-do-connect-to-postgresql-with-jdbc-driver-java/

Please, include the whole stacktrace, not just selected pieces.
 
hana jenhani
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but i should work with jpa
 
Lucas Smith
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Yes, I know, but we have to examine if there is any problem in the lower layer.

Please, include the whole stacktrace, not just selected pieces.
 
hana jenhani
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this is the result
1111111111.png
[Thumbnail for 1111111111.png]
 
hana jenhani
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result
22222222222222222.png
[Thumbnail for 22222222222222222.png]
 
Lucas Smith
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You have executed it incorrectly. You should give the name of the Main class:

C:\test>java -cp c:\test\postgresql-8.3-603.jdbc4.jar;c:\test JDBCExample

Where JDBCExample is the class with main method.
 
hana jenhani
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yes i excute it with the name of the class of the main
12.png
[Thumbnail for 12.png]
 
Lucas Smith
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No, because you do not have space between your classpath and Main class. You have just specified classpath.
 
hana jenhani
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i have made the space because i followed the tuto ,it doesn't workkkkkk :\
oooooooooooooooooo.png
[Thumbnail for oooooooooooooooooo.png]
 
Lucas Smith
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You should try this:
C:\test>java -cp c:\test\postgresql-8.1-404.jdbc3.jar;c:\test JDBCExample

NOT
C:\test>java -cp c:\test\postgresql-8.1-404.jdbc3.jar;c:\test\JDBCExample.java
AND NOT
C:\test>java -cp c:\test\postgresql-8.1-404.jdbc3.jar;c:\test\JDBCExample
 
hana jenhani
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thanks i have this result
looooooooooooooooooooooooooooooooo.png
[Thumbnail for looooooooooooooooooooooooooooooooo.png]
 
Lucas Smith
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You have typed BAD command once again. Please, stay focused and type:

java -cp c:\test\postgresql-8.1-404.jdbc3.jar;c:\test JDBCExample

Pay attention to every single sign and space!
 
hana jenhani
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it doesn't work please what is the error now ?
cccccccccccccccccccccccc.png
[Thumbnail for cccccccccccccccccccccccc.png]
 
Lucas Smith
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You have typed:

java -cp c:\test\postgresql-8.1-404.jdbc3.jar;c:\testJDBCExample

You SHOULD type:

java -cp c:\test\postgresql-8.1-404.jdbc3.jar;c:\test JDBCExample


 
hana jenhani
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it didn't work also :\ :\
naaaaaaaaaaaaaa.png
[Thumbnail for naaaaaaaaaaaaaa.png]
 
hana jenhani
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i have :-------- PostgreSQL JDBC Connection Testing ------------
PostgreSQL JDBC Driver Registered!
You made it, take control your database now!
 
hana jenhani
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how i can be sure that the problem is not from mey server?
 
Lucas Smith
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OK, we are sure that your DB is accessible from the code.

You gave us the exception:
org.springframework.transaction.CannotCreateTransactionException : Could not open JPA EntityManager for transaction; nested exception is javax.persistence.PersistenceException: org.hibernate.exception.GenericJDBCException: Cannot open connection
null

Please paste the full stack trace despite the fact that it can be very long.
 
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