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Oracle Solaris Cluster Data Service for Apache Tomcat Guide     Oracle Solaris Cluster 4.0
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Document Information

Preface

1.  Installing and Configuring Oracle Solaris Cluster HA for Apache Tomcat

Installing and Configuring Oracle Solaris Cluster HA for Apache Tomcat

Oracle Solaris Cluster HA for Apache Tomcat

Planning the Oracle Solaris Cluster HA for Apache Tomcat Installation and Configuration

Apache Tomcat and Solaris Zones

About Horizontal Scalability

Oracle Solaris Cluster HA for Apache Tomcat as a scalable configuration

Oracle Solaris Cluster HA for Apache Tomcat as a multiple master configuration

Configuration Restrictions

Restriction to deploy Oracle Solaris Cluster HA for Apache Tomcat in a scalable configuration

Restriction for the Load_balancing_policy

Restriction for Scalable Services and Solaris Zones

Restriction for the Apache Tomcat smf Service Name in a Failover Zone

Restriction for Apache Tomcat 5.5.28, 6.0.28, 6.0.29, and 7.06

Configuration Requirements

Location of the Tomcat Home Directory for Scalable or Multiple Masters Configurations

Load Balancing for Multiple Master Configurations

Location of the Tomcat Home Directory for Failover Configurations

Location of the wget Command for Apache Tomcat 5.5.28, 6.0.28, 6.0.29, and 7.06

Apache Tomcat Component Dependencies

HA for Apache Tomcat Configuration and Registration Files

Installing and Configuring Apache Tomcat

How to Enable Apache Tomcat to run in a Global Zone Configuration

How to Install and Configure Apache Tomcat in the Global Zone

How to Enable Apache Tomcat to run in Failover Zone Configuration

How to Install and Configure Apache Tomcat in a Failover Zone

Verifying the Installation and Configuration of Apache Tomcat

How to Verify the Installation and Configuration of Apache Tomcat

How to Deploy the Apache Tomcat Application

Installing the HA for Apache Tomcat Package

How to Install the HA for Apache Tomcat Package

Registering and Configuring Oracle Solaris Cluster HA for Apache Tomcat

How to Register and Configure Oracle Solaris Cluster HA for Apache Tomcat as a Failover Data Service

How to Register and Configure Oracle Solaris Cluster HA for Apache Tomcat as a Multiple Masters Data Service

How to Register and Configure Oracle Solaris Cluster HA for Apache Tomcat as a Scalable Data Service

Configuring Oracle Solaris Cluster HA for Apache Tomcat in a Failover Zone

Configuring Oracle Solaris Cluster HA for Apache Tomcat in a Failover Zone

How to Register Oracle Solaris Cluster HA for Apache Tomcat in a Failover Zone

How to Modify Parameters in the Oracle Solaris Cluster HA for Apache Tomcat Manifest

How to Remove an Oracle Solaris Cluster HA for Apache Tomcat Resource From a Failover Zone

Verifying the Oracle Solaris Cluster HA for Apache Tomcat Installation and Configuration

How to Verify the Oracle Solaris Cluster HA for Apache Tomcat Installation and Configuration

Understanding the Oracle Solaris Cluster Apache Tomcat HA Parameter File

Structure of the Apache Tomcat HA parameter file

Strategy to Choose the TestCmd and the ReturnString Variable

Understanding Oracle Solaris Cluster HA for Apache Tomcat Fault Monitor

Resource Properties

Probing Algorithm and Functionality

Debugging HA for Apache Tomcat

How to Activate Debugging for HA for Apache Tomcat

A.  Deployment Example: Installing Apache Tomcat in the Global Zone

B.  Deployment Example: Installing Apache Tomcat in a Failover Zone

Index

Debugging HA for Apache Tomcat

HA for Apache Tomcat has a file named config that enables you to activate debugging for Apache Tomcat resources. This file is in the /opt/SUNWsctomcat/etc directory.

How to Activate Debugging for HA for Apache Tomcat

  1. Determine whether you are in a global zone or in a failover zone configuration.

    If your operating system is Oracle Solaris 11 and your Apache Tomcat resource is dependent on a Solaris Zone boot component resource, you are in a failover zone configuration.

  2. Determine whether debugging for HA for Apache Tomcat is active.
    # grep daemon /etc/syslog.conf
    *.err;kern.debug;daemon.notice;mail.crit        /var/adm/messages
    *.alert;kern.err;daemon.err                     operator
    #

    If debugging is inactive, daemon.notice is set in the /etc/syslog.conf file of the appropriate zone.

  3. If debugging is inactive, edit the /etc/syslog.conf file in the appropriate zone to change daemon.notice to daemon.debug.
  4. Confirm that debugging for HA for Apache Tomcat is active.

    If debugging is active, daemon.debug is set in the /etc/syslog.conf file.

    # grep daemon /etc/syslog.conf
    *.err;kern.debug;daemon.debug;mail.crit        /var/adm/messages
    *.alert;kern.err;daemon.err                    operator
    #
  5. Restart the syslogd daemon in the appropriate zone.
    # svcadm refresh svc:/system/system-log:default
  6. Edit the /opt/SUNWsczone/sczbt/etc/config file to change the DEBUG= variable according to one of the examples:
    • DEBUG=ALL

    • DEBUG=resource name

    • DEBUG=resource name,resource name, ...

    # cat /opt/SUNWsctomcat/etc/config
    #
    # Copyright 2006, 2012, Oracle and/or its affiliates.  All rights reserved.
    #
    # Usage:
    #       DEBUG=<RESOURCE_NAME> or ALL
    #
    DEBUG=ALL
    #

    Note - To deactivate debugging, repeat steps 1–6, changing daemon.debug to daemon.notice and changing the DEBUG variable to DEBUG=.