Version 3.2.20.09: Expanding Tables still hangs.

Question

This is similar to: https://forums.oracle.com/thread/2204388
I just downloaded a new version of SQL Developer for my new computer.
I was able to set up my connections, but when I go to expand the tables tree node, SQL Developer just hangs.
I've tried adding the line: AddVMOption -Doracle.net.disableOob=true
to the .conf file as specified in the post.  However, this does not help.
Just a note, I am on Windows 7 and over VPN...both contributing factors to the problem according to the post.
If anyone has any ideas, it would be appreciated.

Answer 1

Here is a full dump of the About section in SQL Developer.
I have redacted my username, as it is not important to the conversation.  I have replaced it with **REDACTED**:
About
Oracle SQL Developer 3.2.20.09
Version 3.2.20.09
Build MAIN-09.87
Copyright ©  2005, 2012 Oracle.  All Rights Reserved.
IDE Version: 11.1.1.4.37.59.48
Product ID: oracle.sqldeveloper
Product Version: 11.2.0.09.87
Version
Component Version
========= =======
Java(TM) Platform 1.7.0_25
Oracle IDE 3.2.20.09.87
Versioning Support 3.2.20.09.87
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Name Value
==== =====
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ide.bootstrap.start 1850305877367
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ide.config_pathname C:\Program Files\sqldeveloper\sqldeveloper\bin\sqldeveloper.conf
ide.debugbuild false
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ide.pref.dir.base C:\Users\**REDACTED**\AppData\Roaming
ide.product oracle.sqldeveloper
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ide.startingcwd C:\Program Files\sqldeveloper
ide.user.dir C:\Users\**REDACTED**\AppData\Roaming\SQL Developer
ide.user.dir.var IDE_USER_DIR
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ide.work.dir C:\Users\**REDACTED**\Documents\SQL Developer
ide.work.dir.base C:\Users\**REDACTED**\Documents
ilog.propagatesPropertyEditors false
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java.class.path ..\..\ide\lib\ide-boot.jar
java.class.version 51.0
java.endorsed.dirs C:\Program Files\Java\jdk1.7.0_25\jre\lib\endorsed
java.ext.dirs C:\Program Files\Java\jdk1.7.0_25\jre\lib\ext;C:\windows\Sun\Java\lib\ext
java.home C:\Program Files\Java\jdk1.7.0_25\jre
java.io.tmpdir C:\Users\**REDACTED**\AppData\Local\Temp\
java.library.path C:\Program Files\sqldeveloper;C:\windows\Sun\Java\bin;C:\windows\system32;C:\windows;C:\windows\system32;C:\windows;C:\windows\System32\Wbem;C:\windows\System32\WindowsPowerShell\v1.0\;C:\Program Files\Java\jdk1.7.0_25;.
java.naming.factory.initial oracle.javatools.jndi.LocalInitialContextFactory
java.protocol.handler.pkgs oracle.jdevimpl.handler
java.runtime.name Java(TM) SE Runtime Environment
java.runtime.version 1.7.0_25-b17
java.specification.name Java Platform API Specification
java.specification.vendor Oracle Corporation
java.specification.version 1.7
java.util.logging.config.file logging.conf
java.vendor Oracle Corporation
java.vendor.url http://java.oracle.com/
java.vendor.url.bug http://bugreport.sun.com/bugreport/
java.version 1.7.0_25
java.vm.info mixed mode
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java.vm.specification.name Java Virtual Machine Specification
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java.vm.vendor Oracle Corporation
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oracle.home C:\Program Files\sqldeveloper
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oracle.translated.locales de,es,fr,it,ja,ko,pt_BR,zh_CN,zh_TW
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user.name **REDACTED**
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