SQL Developer - database connect problem

Hello
Just wanted to give SQL Developer a try, downloaded it, unzipped and pointed at Java SDK's java.exe.
It started, I created a TNS connection and successfully passed test. But when I try to connect to database - it errors with following
java.lang.ArithmeticException: / by zero
     at oracle.jdbc.driver.OraclePreparedStatement.<init>(OraclePreparedStatement.java:1233)
     at oracle.jdbc.driver.OracleCallableStatement.<init>(OracleCallableStatement.java:100)
     at oracle.jdbc.driver.T4CCallableStatement.<init>(T4CCallableStatement.java:27)
     at oracle.jdbc.driver.T4CDriverExtension.allocateCallableStatement(T4CDriverExtension.java:88)
     at oracle.jdbc.driver.PhysicalConnection.prepareCall(PhysicalConnection.java:3135)
     at oracle.jdbc.driver.PhysicalConnection.prepareCall(PhysicalConnection.java:3090)
     at oracle.dbtools.db.DBUtil.executeReturnOneCol(DBUtil.java:275)
     at oracle.dbtools.raptor.InitializeConnectionListener.initConnection(InitializeConnectionListener.java:137)
     at oracle.dbtools.raptor.InitializeConnectionListener$1.run(InitializeConnectionListener.java:85)
I googled for this error and found nothing suitable
Other development tools including SQL Plus connect an run fine.
I have 10g client, and I connect to 9.2.0.6 database. My OS is Vista Business SP1, so I though it might be UAC issue and tried running as both standard user and administrator, also allowed java.exe and sqldeveloper.exe through firewall. Nothing helped :(
Any settings and ideas that might help will be appreciated.
Thanks for help
Edited by: user8082464 on Apr 27, 2009 12:25 AM

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