Saturday Jul 25, 2015

JVM Language Summit — August 10th – 12th 2015

The Summit will take place from August 10 through August 12, 2015. The agenda will be similar to the 2014 program. Details will be posted here when available.

Notes on the Agenda

  • Talks will run in a single track, 45 minutes each (including questions).
  • Workshop sessions will run for 60 minutes, with two or more sessions in parallel. Workshops are scheduled so that informal discussions can carry on into the subsequent time slot.
  • Light breakfast and lunch are served on site.
  • Two or three breakout rooms are available for workshops, quiet conversation, and ad hoc consultations.

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For details please visit the registration page here.

WebLogic Partner Community

For regular information become a member in the WebLogic Partner Community please visit: http://www.oracle.com/partners/goto/wls-emea ( OPN account required). If you need support with your account please contact the Oracle Partner Business Center.

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Sunday Mar 10, 2013

Java Heap Space – JRockit VM by Pierre – Hugues Charbonneau

This article will provide you with an overview of the JRockit Java Heap Space vs. the HotSpot VM. It will also provide you some background on Oracle future plans regarding JRockit & HotSpot.
Oracle JRockit VM Java Heap: 2 different memory spaces
The JRockit VM memory is split between 2 memory spaces:

  • The Java Heap (YoungGen and OldGen)
  • The Native memory space (Classes pool, C-Heap, Threads...

Read the full article here.

WebLogic Partner Community

For regular information become a member in the WebLogic Partner Community please visit: http://www.oracle.com/partners/goto/wls-emea ( OPN account required). If you need support with your account please contact the Oracle Partner Business Center.

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Friday Mar 08, 2013

Redirecting JVM Output

The JVM in which a WebLogic Server instance runs, sends messages to standard error and standard out. Server as well as application code write directly to these streams instead of using the logging mechanism. Through a configuration option, you can redirect the JVM output to all the registered log destinations, like the server terminal console and log file. When enabled, a log entry appears as a message of NOTICE severity. Redirecting the JVM output does not capture output from native code, for example thread dumps from the JVM.
For example, to redirect the JVM standard out messages:

  • When you start the Administration Server, include the following Java option in the weblogic.Server command:

-Dweblogic.log.RedirectStdoutToServerLogEnabled=true

See "weblogic.Server Configuration Options" in Command Reference for Oracle WebLogic Server.

  • After the Administration Server has started, use the Administration Console to redirect the JVM standard out messages. See "Redirect JVM output" in the Oracle WebLogic Server Administration Console Online Help.
  • Use the WLST to change the value of the RedirectStdoutToServerLogEnabled property of the LogMBean and re-start the server.

The WLST commands in Example 3-6 redirect the JVM standard out messages in the Administration Server to the server logging destinations. Read the full documentation here.

WebLogic Partner Community

For regular information become a member in the WebLogic Partner Community please visit: http://www.oracle.com/partners/goto/wls-emea ( OPN account required). If you need support with your account please contact the Oracle Partner Business Center.

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