Description:
Tibco Silver Fabric 5.7 HF-2 has been released.  You can download this HotFix from the TIBCO Product Support ftp server, mft.tibco.com. 
You will need to provide your  TSC (TIBCO Support Central) credentials.  You username is your email address  to access the server.

Please note you should use an FTP or SFTP client or command-line FTP. TIBCO employees must use a secure protocol.

Server name: mft.tibco.com
Credentials: use your TSC (TIBCO Support Central website) login.
Browser:  https://mft.tibco.com
FTP: port 21
SFTP: port 22

Once you have successfully logged into the server, go to '/AvailableDownloads/Silver/Fabric/5.7' to download the fix.

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Introduction

Hotfixes are cumulative.

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Affected Components for Silver Fabric 5.7 HF-2

The following components are updated by this hotfix:
Broker
Engine
CLI
VirtualRouter

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Closed Issues in Silver Fabric 5.7 HF-2 (This Release)

FS-9056
New Engines added after an upgrade but before all Engine Daemons have been
upgraded on the Broker show up in red as "Need Daemon Upgrade."
This problem is now fixed.

FS-9172
Using the "apply" action in the sf:patch Ant task no longer throws a
"java.lang.String cannot be cast to java.math.BigInteger" exception.

Admin API
FS-9044
Encrypted export variables set during activation will now properly export.

Admin UI
FS-9214
Eliminated redundant LDAP User Cache TTL input field on User Authentication
Admin UI for LDAP authentication mode.

Allocation Algorithms
FS-9204
Allocator thread no longer dies when running domain is not found. If allocation
thread dies due to an unexpected exception it is logged at SEVERE level and the
messages advises that allocation will not continue until the Broker is
restarted.

Ant Tasks
FS-9181
SourceAveraged stats now validate properly in the CLI/Ant.

FS-9211
Missing Stack properties no longer default to null on Ant package creation or
when creating a stack via ant or REST. If Ant package creation fails with an
exception it will now be displayed properly in the UI.

FS-9215
Now explicitly applying the shutdown property of the component dependency policy
when creating the ant package for a stack.

Broker
FS-9042
While cleaning stale archive artifacts a java.lang.NullPointerException can result
due to a missing .local-repo directory. This problem is now fixed.

FS-9163
A deadlock which causes Broker to run out of threads is fixed.

FS-9167
With an NFS shared Grid Library directory, failover may miss Grid Library updates that
happen when it's offline. This problem is now fixed.

FS-9176
A ConcurrentModificationException may result when many Engine Daemons log in at the
same time. This problem is now fixed.

FS-9185
Dynamic Variable Provider API now supports overloaded method that includes
Archive Context.

FS-9193
Deadlock involving calls to Engine Admin API that overlap the allocator
resulting in http thread exhaustion are eliminated.

Engine
FS-9040
Setting auto-smp in the Engine Daemon admin UI resulted in only one Engine instance.
This is now fixed and starts or reduces Engine count according to the number of processors.

FS-9196
Encrypted activation variables set during activation on the Engine are
no longer logged at any level.

Scripting
FS-9178
Jython classes are now loaded before Enabler classes for scripts to avoid
conflicting classes in the Enabler classpath.

Skyway
FS-9207
Skyway username/password no longer being logged at any level.

Tibco Silver Fabric 5.7 HF-2 has been released