Problem With Connection in SQL Developer

(Doc ID 603917.1)

Last updated on MARCH 28, 2018

Applies to:

Oracle SQL Developer - Version 1.5 to 1.5 [Release 1.5.0]
Information in this document applies to any platform.
***Checked for relevance on 16-May-2014***


***Checked for relevance on 08-Apr-2011***

When you launch SQL Developer, you may have problems to load your previously defined connections.

Sometimes, your defined connections may not appear or errors appear in the Logging Page.

Error you can get:

at java.util.TimeZone.parseCustomTimeZone(
at java.util.TimeZone.getTimeZone(
at java.util.TimeZone.getTimeZone(
at oracle.jdbc.driver.PhysicalConnection.setDbTzCalendar(
at oracle.jdbc.driver.PhysicalConnection.setSessionTimeZone(
at oracle.javatools.db.ora.Oracle8i.initOC(
at oracle.javatools.db.ora.Oracle8i.<init>(
at oracle.javatools.db.ora.Oracle9i.<init>(
at oracle.javatools.db.ora.Oracle9iR2.<init>(
at oracle.javatools.db.ora.Oracle10g.<init>(
at oracle.javatools.db.ora.Oracle10gR2.<init>(
at oracle.javatools.db.ora.Oracle10gR2XE.<init>(
at oracle.javatools.db.ora.OracleDatabaseFactory.createDatabaseImpl(
at oracle.javatools.db.DatabaseFactory.createDatabaseImpl(
at oracle.javatools.db.DatabaseFactory.createDatabase(
at oracle.jdeveloper.db.DatabaseConnections.getDatabase(
at oracle.jdeveloper.db.DatabaseConnections.getDatabase(
at oracle.dbtools.raptor.utils.Connections$ConnectionInfo$ConnectRunnable.doWork(


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