Tuesday Mar 13, 2012

Quicktime Killjoy for WLS

Installed the latest QuickTime recently as required for WebEx, then
today I could not start a new WebLogic domain. To save you all the
searching I went through, it turns out that the QuickTime adds
.;C:\Program Files (x86)\Java\jre6\lib\ext\QTJava.zip to the classpath,
which causes the following error starting WLS:


QTJava.zip was unexpected at this time


Remove
the classpath entry and the QTJAVA entry from your environment
variables if you have the same issue. If you are starting WebLogic from a
console you will need a new console session. If from an IDE, you will
need to restart the IDE afterward for the update to take effect.

Friday Mar 02, 2012

JRockit on Solaris

While JRockit is generally the preferred JDK for WebLogic Server, I ran across an environment that had poor performance for no discernible reason recently. I could make this post long by boring you with the details of how I decided to try switching to the Sun JDK, but instead I will just mention that it was WLS 10.3.4 on Solaris 10U6 with JRockit 6U28 and that switch to Sun JDK 6U24 resulted in a significant improvement.


There may be other factors involved in this (I have requested that a Solaris SME look at the environment), but wanted to add this as a debugging option for those who may run into a similar issue where none of the usual suspects of poor performance are present and it happens to be JRockit on Solaris. 


As someone commented, I did leave out the hardware, which was SPARC.

Tuesday Dec 27, 2011

WLS 10.3.x Silent Install Gotcha

I ran into an issue where I couldn't figure out why I was getting the
following error when running a WebLogic Server 10.3.2 upgrade in silent
mode pert the documentation:


C:\temp\ten_two_domain1>java
weblogic.Upgrade -mode silent -type domain

Calling Wizard
framework for upgrade: args2: [-mode=silent,
-file=wcf/plugin_silent_wizard.xml,
-p:plugin:plugin.silent.response.file=weblog

ic-upgrade-domain-responses.xml,
-log=stdout, -p:plugin:plugin.executionPlan.file=weblogic/upgrade/domain/execplan.xml,
-p:plugin:I18N_PLUGI

N=weblogic/upgrade/i18n_upgrade,
-p:plugin:TARGET_VERSION=10.3.2.0]

2011-05-03
12:12:25,926 ERROR [inputAdapter_silent]
com.bea.plateng.wizard.WizardController - Uncaught Exception

java.lang.ArrayIndexOutOfBoundsException:
0

     
  at
weblogic.upgrade.domain.directoryselection.SelectWebLogicVersionPlugIn.validateInputAdapter(SelectWebLogicVersionPlugIn.java:50)

     
  at com.bea.plateng.wizard.plugin.silent.tasks.InputAdapterSilentTask.execute(InputAdapterSilentTask.java:178)

     
  at
com.bea.plateng.wizard.silent.tasks.AbstractSilentTask.run(AbstractSilentTask.java:28)

     
  at java.lang.Thread.run(Thread.java:619)

A fatal error has
occurred.  This application will terminate.
I thought I had followed the example from http://docs.oracle.com/cd/E15523_01/web.1111/e13754/xml_ref.htm#g1066162 perfectly:


Example E-3 Sample Silent-Mode XML Script for Upgrading a Domain


<?xml version="1.0" encoding="UTF-8"?>

<plugin-silent-responses>
</plugin-silent-responses>

<!-- SAMPLE BELOW -->
<!--
<plugin-silent-responses>
<group name="DomainSelectionGroup">
<plugin name="SelectWebLogicVersionPlugIn">
<input-adapter name="ChoiceIA">
<bind-property name="selectedChoiceIds">
<value>__WEBLOGIC_VERSION__</value>
</bind-property>
</input-adapter>
</plugin>
<plugin name="DomainDirectorySelectionPlugIn">
<input-adapter name="IA">
<bind-property name="selectedFile">
<value>__DOMAIN_DIR__</value>
</bind-property>
</input-adapter>
</plugin>
</group>
<group name="PostDirSelectionGroup">
<plugin name="AdminServerSelectionPlugIn">
<input-adapter name="IA">
<bind-property name="selectedChoiceIds">
<value>__ADMIN_SERVER_NAME__</value>
</bind-property>
</input-adapter>
</plugin>
<plugin name="NodeManagerCredentialsPlugIn">
<input-adapter name="UsernameIA">
<bind-property name="value">
<value>__NODE_MANAGER_USERNAME__</value>
</bind-property>
</input-adapter>
<input-adapter name="PasswordIA">
<bind-property name="value">
<value>__NODE_MANAGER_PASSWORD__</value>
</bind-property>
</input-adapter>
<input-adapter name="PasswordConfirmIA">
<bind-property name="value">
<value>__NODE_MANAGER_PASSWORD__</value>
</bind-property>
</input-adapter>
</plugin>
<plugin name="OptionalGroupsSelectionPlugIn">
<input-adapter name="IA">
<bind-property name="selectedChoiceIds">
<value>__OPTIONAL_ACTION_1__</value>
<value> . . . </value>
</bind-property>
</input-adapter>
</plugin>
</group>
<group name="PostDirSelectionPost81Group">
<plugin name="AdminServerSelectionPlugIn">
<input-adapter name="IA">
<bind-property name="selectedChoiceIds">
<value>__ADMIN_SERVER_NAME__</value>
</bind-property>
</input-adapter>
</plugin>
<plugin name="OptionalGroupsSelectionPlugIn">
<input-adapter name="IA">
<bind-property name="selectedChoiceIds">
<value>__OPTIONAL_ACTION_1__</value>
<value> . . . </value>
</bind-property>
</input-adapter>
</plugin>
</group>
<group name="DomainBackupGroup">
<plugin name="DomainDirectoryBackupPlugIn">
<input-adapter name="FileSelectionIA">
<bind-property name="selectedFileNames">
<value>__BACKUP_DIR__</value>
</bind-property>
</input-adapter>
<input-adapter name="TextIA">
<bind-property name="value">
<value>___BACKUP_FILE_NAME__</value>
</bind-property>
</input-adapter>
</plugin>
</group>
</plugin-silent-responses>

-->



But, as it turns out, where I wanted to be literal on the  SelectWebLogicVersionPlugIn value with 10.2, the correct format is to be a bit broader, with:


   
<plugin name="SelectWebLogicVersionPlugIn">

     
<input-adapter name="ChoiceIA">

     
  <bind-property name="selectedChoiceIds">

     
    <value>9.0 or higher</value>

     
  </bind-property>

     
</input-adapter>

   
</plugin>


I hope this saves some folks the time I spent figuring it out :)

Tuesday Aug 16, 2011

Excellent WLS LDAP Tuning Post

Following my previous post, the next step was tuning LDAP, which I did mostly based on the excellent blog post at http://fusionsecurity.blogspot.com/2011/08/tuning-weblogic-ldap-authentication.html

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