• Welcome to Universal Messaging
•  About this Documentation
  • Online Information and Support
  • Data Protection
•  Release Notes
  •  Overview
    • Documentation roadmap
    • License Types and Feature Sets
  •  What's New in Universal Messaging 10.15
    • New Features
    • Changed Features
    • Deprecated Features
    •  Removed Features
      • Removed Functionality
      • Removed Properties
      • Removed APIs
    • Documentation Changes
  •  What's New in Universal Messaging 10.11
    • New Features
    • Changed Features
    • Deprecated Features
    •  Removed Features
      • Removed Functionality
      • Removed Properties
      • Removed APIs
    • Documentation Changes
  • What's New in Universal Messaging 10.7
  • What's New in Universal Messaging 10.5
  • What's New in Universal Messaging 10.4
  • What's New in Universal Messaging 10.3
  • What's New In Universal Messaging 10.2
  • What's New In Universal Messaging 10.1
  • What's New In Universal Messaging 10.0
  • What's New In Universal Messaging 9.12
  • What's New In Universal Messaging 9.10
  • Migration Notes
•  Installation Guide
  • Installation Overview
  • Installation Using the Software AG Installer
  • Starting the Realm Server
  • Stopping the Realm Server
  •  Post-Installation Procedures
    • Server Memory Modes
    • JMS Configuration
    • How to access the Universal Messaging log file
    • The Dump file for Out-of-Memory Errors (OOME)
    • How to Administer a Remote Universal Messaging Realm
    • License Management
  • Universal Messaging Instance Manager
  •  Using Containers
    • Universal Messaging Container Images on the Software AG Container Repository
    • Building a Universal Messaging Container Image
    • Creating Universal Messaging Container Images Using Software AG Installer
•  Concepts
  •  Architecture
    • Architecture Overview
    • Realms
    •  Zones
      • Overview of Zones
      • Administration of Zones
      • Examples of Message Propagation
    • umTransport API
    • Communication Protocols and RNAMEs
    • Support for Open Standards
  • Administration and Management
  •  Deployment
    • Deployment
    • Bi-directional Client and Server Compatibility
    • Bi-directional Admin Client and Server Compatibility
    •  Server
      • Server Failover / High Availability
      • Data Routing using Channel Joins
      • Data Routing using Interest Propagation
      • Federation Of Servers
      • Proxy Servers and Firewalls
      • Server Memory for Deployment
      • Server Parameters
      • Server Security for Deployment
      • Deployment
      • Connecting to Multiple Realms Using SSL
      • Periodic Logging of Server Status
    •  Client
      • Using HTTP/HTTPS
      • Browser / Applet Deployment
      • Browser Plugins
      • Client Jars
      • Client Security
      • Client Parameters
      • Multiplexing Sessions
    •  Language Deployment Tips
      • JavaScript Application Deployment
  •  Security
    • Security Overview
    •  Authentication
      • Authentication Overview
      •  Server-Side Authentication
        • Configuring Authentication and Client Negotiation
        • Reverse Hostname Resolution for localhost
      •  Client-Side Authentication
        • Enabling Reverse Hostname Resolution for localhost
      •  Server JAAS Authentication with Software AG Security Infrastructure
        • Enabling JAAS Authentication
        • Supported SIN JAAS Login Modules
        • SIN Authentication Templates for JAAS
      •  JAAS Authentication with HTTP Headers
        • Configuring JAAS Authentication with HTTP Headers
        • Enabling Authentication with HTTP Headers
        • Usage Notes for HTTP Header Configuration
        • Enabling Authentication Without a Password
      •  Directory Backend (Deprecated)
        • Internal User Repository
        • LDAP
    •  Access Control Lists
      • Security Policies
      • Access Control Lists (ACLs)
    •  Using SSL
      • SSL Concepts
      • SSL Encryption
      • Server SSL Configuration
      • Client SSL Configuration
      • JMS Client SSL Configuration
    • Setting up and using FIPS
  •  Performance, Scalability and Resilience
    • Overview of Performance, Scalabilty and Resilience
    •  Performance Tuning
      • Overview of Tuning
      • The Realm Server
      • The Java Virtual Machine (JVM)
      •  Tuning the Linux Operating System
        •  Configuring User Limits
          • Temporarily Increasing Limits Using the ulimit Command
          • Permanently Increasing User Limits
        • Configuring Mapped Memory Regions
        • Disabling Processor Power Saving States
        • Stopping the Interrupt Request Balance Service
      • The Network
    • Multicast: An Overview
    • Shared Memory (SHM)
    • Realm Benchmarks
    • Failover
    • Connections Scalability
    •  Load Balancing
      • Limitations of Using a Load Balancer with an Active/Active Cluster
    •  Horizontal Scalability
      • Overview
      • URL Syntax for Horizontal Scalability
      • Usage Notes for Horizontal Scalability
      • Horizontal Scalability Behavior in a Mixed Landscape
      • Restrictions
    • Event Fragmentation
  •  Messaging Paradigms
    • Overview
    • Publish/Subscribe Using Channels and Topics
    • Message Queues
    • Details of Usage for Software Developers
  •  Durable Subscriptions
    • Overview of Durable Subscriptions
    • Types of Durable Subscription
    • Using Durable Subscriptions with Multiple Clients
    • Using the Prefetch API
    • Durable Event Browsing and Purging
  •  Clustered Server Concepts
    • Clusters: An Overview
    •  Active/Active Clustering
      • About Active/Active Clustering
      •  Working with an Active/Active Cluster
        • Client Connection
        • Masters and Slaves
        • Quorum
        • Election of a new Master
        • Message Passing
        • Outages and Recovery
        • Creating Clustered Resources
        • Inter-Cluster Connections
        • Setting Up a High Availability (HA) Failover Cluster
        • Separating Client and Cluster Communication
    •  Active/Passive Clustering
      • About Active/Passive Clustering
      • Working with an Active/Passive Cluster
    •  Active/Active Clustering with Sites
      • About Active/Active Clustering with Sites
      • Disaster Recovery using Clusters with Sites
  • MQTT: An Overview
  •  AMQP
    •  Overview of AMQP
      • About AMQP
      • AMQP Plugin Configuration
      • AMQP Security Configuration
      • AMQP Message Transformation
    •  AMQP Guide
      • Universal Messaging Support for AMQP
      • AMQP Overview
      • Transport and Connection Security
      • AMQP Frame Transport
      • Message Transport
      •  Delivery States
        • Supported Delivery States
        • Intermediate Delivery States
        • Terminal Delivery States
      • Flow Control
      • AMQP Messages
      • AMQP Transactions
      • Supported AMQP Client Libraries
      • Appendix A: AMQP Terminology to Universal Messaging Terminology
      • Appendix B: AMQP Messages to Universal Messaging Message Mappings
      • Appendix C: Universal Messaging Support for AMQP 1.0
  • Product Usage Metrics
  •  Commonly Used Features
    • Overview
    • Sessions
    • Channel Attributes
    • Storage Properties of Channels and Queues
    • Channel Publish Keys
    • Queue Attributes
    •  Multi-File Disk Stores
      •  About Multi-File Disk Stores
        • Usage Notes for Multi-File Disk Stores
      • Sizing Recommendation
      • How to Calculate File Descriptor and Mapped Memory Requirements per Store
      • Cache Recommendation
      • Multi-file Disk Stores do not Use Manual or Auto-Maintenance
    •  Events
      • Introduction to Events
      • Event Filtering
      • Event Filtering using Selectors
      • Event Filtering using Subjects and Principals
      • Event Dictionaries
      • Behavior of Transient Events
      • Event Lifecycle Logging
    • Native Communication Protocols
    • Comet Communication Protocols
    • Google Protocol Buffers
    • Using the Shared Memory Protocol
    • Rollback
    • Out-of-Memory Protection
    • Pause Publishing
    • Priority Messaging
•  Administration Guide
  • Overview
  •  Universal Messaging Enterprise Manager
    • About the Enterprise Manager
    • Starting the Enterprise Manager
    • Tab-by-Tab Overview
    • About the Enterprise View
    •  Realm Administration
      • Creating and Starting a Realm Server
      • Viewing a Realm
      •  Monitoring a Realm
        • About Monitoring a Realm
        • The Enterprise Manager Logs Panel
        • Realm Connections
        • Threads Status
        • The Top Tab
        • The Audit Tab
        • The Metrics Tab
      • Updating Connection Information
      • Working with Realm Profiles
      • Realm Federation
      • Realm Configuration
      • Connecting to Multiple Realms
      • Disconnecting from Realms
      • Interface Status
    • Zone Administration
    •  Cluster Administration
      • Viewing the Available Clusters
      • Viewing Information for a Cluster
      •  Creating Clusters
        • Before Creating a Cluster
        • Creating a Cluster
      • Deleting a Cluster
      • Adding and Removing Cluster Members
      • Creating Cluster Channels
      • Creating Cluster Queues
      •  Setting Up Inter-Realm Communication
        • Setting Up Non-Encrypted Inter-Realm Communication
        • Setting Up Encrypted Inter-Realm Communication
        • Switching from Non-Encrypted to Encrypted Inter-Realm Communication
        • Note on Public/Private Keys Used for Inter-Realm Handshake
      • Interconnecting Two Clusters
      • Creating Clusters with Sites
      • Case Study: Migrating Between Single-Node and Multi-Node Active/Active Cluster
    •  Channel Administration
      • About Channel Administration
      • Viewing the Channel Status
      •  Creating Channels
        • Valid Channel and Queue Names
      • Editing Channels
      • Updating Protobuf Descriptors
      • Exporting Protobuf Descriptors
      • Copying Channels
      • Creating Channel Joins
      • Viewing Channel Connections
      •  Snooping on a Channel
        • Viewing Details About Snooped Events on a Channel
        • Purging Events from a Channel
      •  Publishing Events on a Channel
        • Publishing a New Event on a Channel
        • Republishing Events on a Channel
      • Viewing and Managing Durables for a Channel
      • Deleting Channels and Queues
    •  Queue Administration
      • Creating Queues
      •  Viewing Queues
        • Viewing the Queue Status
        • Viewing Queue Joins
        • Viewing Consumer Information
      • Editing Queues
      • Copying Queues
      •  Snooping on a Queue
        • Viewing Details About Snooped Events on a Queue
        • Purging Events from a Queue
      •  Publishing Events on a Queue
        • Publishing a New Event on a Queue
        • Republishing Events on a Queue
    •  Container Administration
      • Viewing the Container Status
      • Monitoring Container Usage
    •  Using ACLs for Role-Based Security
      • About Realm ACL Permissions
      • About Channel ACL Permissions
      • About Queue ACL Permissions
      • Adding and Removing ACL Subjects
      • Modifying ACL Permissions
      • Creating Security Groups
      •  About Interface VIA Lists
        • Managing Interface VIA Lists
    •  Integration with JNDI
      • About Integration with JNDI
      • The Initial JNDI Context and the JNDI Namespace
      •  Creating Connection Factories
        • The URL Syntax of a Horizontal Scalability Connection Factory
      • Creating References to Topics and Queues
      • Viewing and Editing JNDI Settings of a Connection Factory
      • Using Channel Snoop to View JNDI Settings
    •  Administering TCP Interfaces, IP Multicast, and Shared Memory
      • About Working with Interfaces
      •  Creating Interfaces
        • Usage of 0.0.0.0 When Defining Interfaces
      • Basic Attributes for an Interface
      • Starting and Stopping Interfaces
      • Modifying Interface Attributes
      • JavaScript Configuration Properties
      • About SSL Interfaces
      • Creating an SSL-Enabled Interface
      • How to Generate Certificates for Use
      •  Adding a Multicast Configuration
        • Considerations When Using Multicast
        • Advanced Multicast Settings
      • Adding a Shared Memory Configuration
    •  Plugins
      • File Plugin
      • XML Plugin
      • Proxy Passthrough Plugin
      • REST Plugin
      • Servlet Plugin
      • Health Monitor Plugin
    •  Exporting and Importing Realm XML Configurations
      • Exporting a Realm Configuration into an XML File
      •  Importing a Realm Configuration from an XML File
        • Version Compatibility Issues
      • Sample XML File for Import
    • Using the Enterprise Viewer
  •  Using Command Central to Manage Universal Messaging
    • About Using Command Central to Manage Universal Messaging
    •  Managing Universal Messaging Server Instances
      • Creating a Universal Messaging Server Instance
      • Deleting a Universal Messaging Server Instance
    • Starting, Stopping, and Restarting Universal Messaging
    •  Securing Communication Between Command Central and Universal Messaging
      • How does Command Central Connect to Universal Messaging?
      • About Securing Communication Between Command Central and Universal Messaging
      • Considerations When Using System Properties to Specify Truststore and Keystore Files
      • Configuring the JSSE System Properties
      • Configuring the Universal Messaging Client Properties
      • Switching Off the System Properties Mode
    •  Configuring Universal Messaging
      • About Configuring Universal Messaging
      • Working with Universal Messaging Configuration Types
      • Channels
      •  Clustering
        • Before You Create a Universal Messaging Cluster
        • Cluster Configuration Properties
        • Supported Cluster Configuration Tasks
        • Cluster Migration
      • General Properties
      • Groups
      • Internal Users
      • JNDI Connection Factories
      • JNDI Destinations
      • JVM Options
      • Java System Properties
      • License Keys
      • Memory
      •  Ports
        • NSP Ports
        • NHP Ports
        • NHPS Ports
        • NSPS Ports
        • SHM Ports
      • Queues
      • Realm ACL
      • Zones
    •  Securing Access to Command Central
      • Changing the Authentication Mode
      • Verifying the Outbound Authentication Settings
      • Using Unix Shell Scripts to Change Connection Credentials for Managed Products
      • Enabling Basic Authentication for Universal Messaging Users
    •  Administering Universal Messaging
      • Administering Channels
      • Administering Durable Subscribers
      • Administering Queues
      •  Snooping on Channels
        • Considerations When Snooping on Channels
        • Starting the Channel Snoop
        • Stopping the Channel Snoop
        • Viewing Channel Event Details
        • Purging Snooped Events from a Channel
      •  Snooping on Queues
        • Considerations When Snooping on Queues
        • Starting the Queue Snoop
        • Stopping the Queue Snoop
        • Viewing Queue Event Details
        • Purging Snooped Events from a Queue
      •  Publishing Events
        • Publishing Events on a Channel or Queue
        • Publishing Protobuf Events
        • Republishing Events on a Channel or Queue
    • Viewing Universal Messaging Run-time Monitoring Statuses
    • Viewing Universal Messaging KPIs
    • Viewing Universal Messaging Logs
    • Viewing Universal Messaging Inventory
    • Configuration Types That the Universal Messaging Server Supports
    •  Using the Command Line to Manage Universal Messaging
      •  Universal Messaging Instance Management
        • Create Instances
        • Update Instances
        • Delete Instances
        • Migrate Instances
      •  User Configuration
        • Create Users
        • List Users
        • Update Users
        • Delete Users
      •  License Configuration
        • Add License Keys
        • Get License Details
        • Update License Keys
      •  Port Configuration
        • Create Ports
        • Update Ports
        • Delete Ports
      •  Security Group Configuration
        • Get Security Group Configuration Data
      •  Realm ACL Configuration
        • Get Realm ACL Configuration Data
      •  General Properties Configuration
        • Get Configuration Properties
        • Update Configuration Properties
      •  JNDI Connection Factories Configuration
        • Create Connection Factories
        • Get Connection Factory Data
        • Update Connection Factories
        • Delete Connection Factories
      •  JNDI Destinations Configuration
        • Create Destinations
        • Get Destination Data
        • Delete Destinations
      •  Channel Configuration
        • Create Channels
        • Get Channel Data
        • Update Channels
      •  Queue Configuration
        • Create Queues
        • Get Queue Data
        • Update Queues
      •  Zone Configuration
        • Create Zones
        • Get Zone Data
        • Update Zones
        • Delete Zones
      •  Java System Properties Configuration
        • Get Java System Properties
        • Update Java System Properties
      •  JVM Options Configuration
        • Get JVM Options
        • Update JVM Options
      •  Cluster Configuration
        • Before You Create or Update a Cluster
        • Create Clusters
        • View Cluster Details
        • Update Clusters
        • Delete Clusters
        • Migrate Clusters
      •  Channel and Queue Monitoring
        • List Administration Namespaces
        • List Monitoring Options
        • List Channels or Queues
        • Get Channel or Queue Status
      •  Durable Subscribers Monitoring
        • View Administration Namespaces
        • View Monitoring Options
        • List Durable Subscribers
        • List Durable Subscriber Attributes
        • List Events
        • Purge Events
        • Delete a Durable Subscriber
      •  Channel Snoop
        • Start Snooping on a Channel
        • List Snooped Events on a Channel
        • View Details of a Snooped Event on a Channel
        • Purge Snooped Events from a Channel
        • Stop Snooping on a Channel
      •  Queue Snoop
        • Start Snooping on a Queue
        • List Snooped Events on a Queue
        • View Details of a Snooped Event on a Queue
        • Purge Snooped Events from a Queue
        • Stop Snooping on a Queue
      •  Event Publishing
        • Publish Events
        • Republish Events
      •  Server Inventory Commands
        • Get Server Inventory
        • List Server Inventory
      •  Asset Deployment
        • List Assets
        • Install Assets
    • Lifecycle Actions for Universal Messaging Server
    • Run-time Monitoring States for Universal Messaging Server
    • Run-time Monitoring Statuses for Universal Messaging Server
    •  Deployment of Universal Messaging Assets
      • On-Premise Deployment of Assets
      • Asset Deployment in the Cloud
    • Templates for Provisioning Universal Messaging
  • Comparison of Enterprise Manager and Command Central Features
  •  Setting up Active/Passive Clustering with Shared Storage
    •  About Active/Passive Clustering
      • Active/Passive Clustering Requirements
      • Universal Messaging Capabilities for Active/Passive Clustering
      • Virtual IP Address of an Active/Passive Cluster
      • Failover Mechanism in an Active/Passive Cluster
      • Cluster Verification
      • Roles and Responsibilities for Configuring an Active/Passive Cluster
    •  Overview of Active/Passive Clustering on Windows
      • How Does Universal Messaging Run in a Windows Cluster?
      • Active/Passive Cluster Configuration on Windows Server
    •  Overview of Active/Passive Clustering on UNIX
      • Cluster Monitoring Scripts
      • Summary of Active/Passive Cluster Configuration on UNIX
    •  Configuring a Universal Messaging Active/Passive Cluster on UNIX
      • Install Universal Messaging on Cluster Nodes
      • Verify the Universal Messaging Server Installation
      • Configure the Start, Stop, and Status Scripts
      • Verify Failover in the Cluster
  •  Command Line Administration Tools
    • Introduction to the Administration Tools
    • Starting the Tools using the Tools Runner Application
    • Performing Standard Administration Tasks on Realms and Clusters
    • Running a Configuration Health Check
    • The "Realm Information Collector" Diagnostic Tool
    • The ExportEventsFromOfflineMemFile Tool
    • The RepublishEventsFromOfflineFile Tool
    • The ServerReleaseVersion Tool
    • Tools for Removing and Modifying Offline Cluster Members
    •  Syntax reference for command line tools
      • Syntax: Store Tools
      • Syntax: Cluster Tools
      • Syntax: Interface Tools
      • Syntax: Publish Tools
      • Syntax: Subscribe Tools
      • Syntax: Security Tools
      • Syntax: Zone Tools
      • Syntax: JMS Tools
      • Syntax: Recovery Tools
      • Syntax: Durable Tools
      • Syntax: Miscellaneous Tools
      • Syntax: Site Tools
      • Syntax: Diagnostic Tools
  •  Universal Messaging Administration API
    • Introduction
    • Administration API Package Documentation
    •  Namespace Objects
      • nRealmNode
      • nLeafNode (Channels and Queues)
      • nDurableNode
      • Realm Federation
      • Channel Join
    •  Realm Server Management
      • Interfaces
      • Config
      • Clustering
      • Multicast
    •  Security
      • Access Control Lists
      • Nirvana Admin API - Nirvana Security Groups
      • Realm Access Control List (nACL)
      • Channel Access Control List (nACL)
      • Queue Access Control List
    •  Management Information
      • nRealmNode
      • nClusterNode
      • nLeafNode
      • Connection Information
  • Configuring the Java Service Wrapper
  •  Configuring the JVM Heap Size and Direct Memory
    • Recommendations on Configuring the JVM Heap Size and Direct Memory
  •  Using JMX to Monitor Universal Messaging
    • About Using JMX to Monitor Universal Messaging
    •  Enabling JMX
      • Set the EnableJMX Property
      • Use the Admin API
    • Configuring a JMX RMI Connection
    • Disabling the Local JMX Port
    • Universal Messaging JMX Beans
    • Universal Messaging JMX Metrics
  •  Monitoring Universal Messaging Using Prometheus
    • Using Prometheus
    •  Enable and Configure the JMX Exporter Agent
      • Updatе the jmx_sag_um_exporter File when Applying Fixes
    • Set Up the JMX Exporter Port
    • Connect with Prometheus
    • Modify Filters in jmx_sag_um_exporter.yaml
    • Add New JMX Metrics to jmx_sag_um_exporter.yaml
    • Execute Queries in Prometheus
    • JMX Metrics in jmx_sag_um_exporter.yaml
    • Notes on Health Monitoring with Prometheus
  • Thread Pool Monitoring
  • Migrating from IPv4 to IPv6
  •  Using Nginx with Universal Messaging
    • About Using Nginx with Universal Messaging
    • Configure Nginx to Direct HTTP Requests to Universal Messaging
    • Nginx Directives Configuration
    • Configure Nginx to Direct HTTPS Requests to Universal Messaging
    • Forward Requests Based on URL Matches
  • Data Protection and Privacy
•  Developer Guide
  • Universal Messaging Client Development
  •  Enterprise APIs
    • Overview of the Enterprise Client APIs
    • Running the Sample Applications
    •  Enterprise Developer's Guide for Java
      •  General Features
        • Creating a Session
        • Events
        • Event Dictionaries
        • Channel Joins
        • Google Protocol Buffers
      •  Publish / Subscribe Using Channels/Topics
        • Creating a Channel
        • Finding a Channel
        • Publishing events to a Channel
        • Publishing Protobuf Events to a Channel
        • Asynchronous Subscriber
        • Channel Iterator
        • Batched Subscribe
        • Batched Find
        • Using Durable Subscriptions
        • The Merge Engine and Event Deltas
        • Using Priority Messaging
      •  Message Queues
        • Creating a Queue
        • Finding a Queue
        • Queue Publish
        • Asynchronous Queue Consuming
        • Synchronous Queue Consuming
        • Asynchronous Transactional Queue Consuming
        • Synchronous Transactional Queue Consuming
        • Queue Browsing / Peeking
        • Request Response
      •  Provider for JMS
        • Overview of the Provider for JMS
        • JMSAdmin: Sample application for creating realm resources
        • JMS Client SSL Configuration
        • JMS Message / Event Mapping
        • JMS Message Type Conversion
        • Fanout Engine
        • Resource Adapter for JMS
        • Support for XA Transactions
        • Automatic purging of individual events
      •  Basic Authentication
        • Client-side Authentication APIs
      •  Code Examples
        •  Pub/Sub Channels
          • Java Client: Channel Publisher
          • Java Client: Transactional Channel Publisher
          • Java Client: Asynchronous Channel Consumer
          • Java Client: Synchronous Channel Consumer
          • Java Client: Asynchronous Durable Channel Consumer
          • Java Client: Synchronous Durable Channel Consumer
          • Java Client: Event Delta Delivery
          • Java Client: Batching Server Calls
          • Java Client: Batching Subscribe Calls
        •  Administration API
          • Java Client: Add a Queue ACL Entry
          • Java Client: Modify a Channel ACL Entry
          • Java Client: Delete a Realm ACL Entry
          • Java Client: Simple authentication server
          • Java Client: Monitor realms for cluster creation, and cluster events
          • Java Client: Monitor realms for client connections coming and going
          • Java Client: Copy a channel and its attributes
          • Java Client: Monitor the remote realm log and audit file
          • Java Client: Export a realm to XML
          • Java Client: Import a realm's configuration information
          • Java Client: Console-based Realm Monitor
          • Java Client: Realm Monitor
          • Java Client: Create Cluster
          • Java Client: Create Security Group
          • Java Client: Add Security Group Subject
          • Java Client: Delete Security Group Subject
          • Java Client: Delete Security Group
        •  Provider for JMS
          • Using the JMS Sample Applications with AMQP
          • Java Client: JMS BytesMessage Publisher
          • Java Client: JMS BytesMessage Subscriber
          • Java Client: JMS MapMessage Publisher
          • Java Client: JMS MapMessage Subscriber
          • Java Client: JMS ObjectMessage Publisher
          • Java Client: JMS ObjectMessage Subscriber
          • Java Client: JMS StreamMessage Publisher
          • Java Client: JMS StreamMessage Subscriber
          • Java Client: JMS BytesMessage Queue Publisher
          • Java Client: JMS BytesMessage Queue Subscriber
          • Java Client: JMS Queue Browser
        •  Channel / Queue / Realm Management
          • Java Client: Creating a Channel
          • Java Client: Deleting a Channel
          • Java Client: Creating a Queue
          • Java Client: Deleting a Queue
          • Java Client: Create a Channel Join
          • Java Client: Delete a Channel Join
          • Java Client: Purge events from a channel
          • Java Client: Find the event id of the last event
          • Java Client: Add a realm to another realm
          • Java Client: Multiplex a Session
      • Client API Package Documentation
    •  Enterprise Developer's Guide for C++
      •  General Features
        • Creating a Session
        • Universal Messaging Events
        • Event Dictionaries
        • Channel Joins
        • Google Protocol Buffers
      •  Publish / Subscribe using Channel Topics
        • Publish / Subscribe Using Channels/Topics
        • Creating a Channel
        • Finding a Channel
        • How to publish events to a Channel
        • Asynchronous Subscriber
        • Channel Iterator
        • Batched Subscribe
        • Batched Find
        • The Merge Engine and Event Deltas
        • Using Priority Messaging
      •  Message Queues
        • Message Queues
        • Creating a Queue
        • Finding a Queue
        • Queue Publish
        • Asynchronous Queue Consuming
        • Synchronous Queue Consuming
        • Asynchronous Transactional Queue Consuming
        • Synchronous Transactional Queue Consuming
        • Queue Browsing / Peeking
      •  Code Examples for C++
        •  Publish / Subscribe using Channel Topics
          • C++ Client: Channel Publisher
          • C++ Client: Transactional Channel Publisher
          • C++ Client: Asynchronous Channel Consumer
          • C++ Client: Synchronous Channel Consumer
          • C++ Client: Event Delta Delivery
          • C++ Client: Batching Server Calls
          • C++ Client: Batching Subscribe Calls
        •  Message Queues
          • C++ Client: Queue Publisher
          • C++ Client: Transactional Queue Publisher
          • C++ Client: Asynchronous Queue Consumer
          • C++ Client: Synchronous Queue Consumer
          • C++ Client: Peek Events on a Queue
        •  Channel / Queue / Realm Management
          • C++ Client: Creating a Channel
          • C++ Client: Deleting a Channel
          • C++ Client: Creating a Queue
          • C++ Client: Deleting a Queue
          • C++ Client: Create Channel Join
          • C++ Client: Delete a Channel Join
          • C++ Client: Purge Events From a Channel
          • C++ Client: Create Queue Join
          • C++ Client: Delete Queue Join
      •  C++ Prerequisites
        • Prerequisites
        • Client SSL Configuration
        • Environment Setup: Windows
        • Environment Setup: Linux
    •  Enterprise Developer's Guide for C#
      •  General Features
        • Creating a Session for C#
        • Universal Messaging Events
        • Universal Messaging Event Dictionaries
        • Channel Joins
      •  Publish / Subscribe using Channel Topics
        • Creating a Channel
        • Finding a Channel
        • Publishing Events to a Channel
        • Publishing Protobuf Events to a Channel
        • Subscribe Asynchronously to a Channel
        • Synchronous Consumers
        • Batched Subscribe
        • Batched Find
        • Using Durable Objects
        • The Merge Engine and Event Deltas
        • Consuming a JMS Map Message
        • Using Priority Messaging
      •  Message Queues
        • Message Queues
        • Creating a Queue
        • Finding a Queue
        • Publishing events to a Queue
        • Asynchronously Consuming a Queue
        • Synchronously Consuming a Queue
        • Asynchronous Transactional Queue Consumption
        • Synchronous Transactional Queue Consumption
        • Browse (Peek) a Universal Messaging Queue
        • Request Response
      •  Basic Authentication
        • Overview
        • Prerequisites for Basic Authentication
        • Client-Side Authentication
        • Server-side Authentication
      • Google Protocol Buffers
      •  Examples
        •  Publish / Subscribe using Channel Topics
          • Publish / Subscribe
          • Channel Publisher
          • Transactional Channel Publisher
          • Asynchronous Channel Consumer
          • Synchronous Channel Consumer
          • C# Client: Asynchronous Durable Channel Consumer
          • C# Client: Synchronous Durable Channel Consumer
          • Batching Server Calls
          • Batching Subscribe Calls
        •  Message Queues
          • Queue Publisher
          • Transactional Queue Publisher
          • Asynchronous Queue Consumer
          • Synchronous Queue Consumer
          • Peek Events on a Queue
        •  MyChannels.Nirvana API
          • MyChannels.Nirvana Queue Publisher
          • MyChannels.Nirvana Topic Publisher
          • MyChannels.Nirvana Queue Consumer
          • MyChannels.Nirvana Topic Subscriber
          • RX Topic Subscriber
          • RX Queue Consumer
        •  Channel / Queue / Realm Management
          • Creating a Channel
          • Deleting a Channel
          • Creating a Queue
          • Deleting a Queue
          • Create Channel Join
          • Delete a Channel Join
          • Purge Events From a Channel
          • Create Queue Join
          • Delete Queue Join
      •  Prerequisites
        • C# Prerequisites
        • C# Client SSL Configuration
        • Globally Accessible DLLs
        • Using UM API Libraries for .NET in .NET Standard Projects
      •  Messaging API
        • MyChannels.Nirvana API: Creating and Disposing of a Session
        • MyChannels.Nirvana API: Producers
        • MyChannels.Nirvana API: Consumers
        • MyChannels.Nirvana API: Reactive Extensions
    •  Enterprise Developer's Guide for VBA
      •  Publish / Subscribe
        • Publish/Subscribe
        •  Subscribing Tasks
          • Subscribing to a Channel
        •  Publishing Tasks
          • Creating a Session
          • Finding a Channel
          • Universal Messaging Events
          • Publishing Events to a Channel
        •  Learn More
          • Event Properties
          • How the RTD Server Works
          • Setting the RTD Throttle Interval
          • Internal Event Processing
          • Universal Messaging RTD Server Internal Queues
          • OnChange() Event Using RTD
      • Prerequisites
  •  Mobile Clients
    • Overview of Mobile Clients
    • iPhone Applications
    • Android Applications
  •  Web Client APIs
    • Overview of Web Client APIs
    •  Web Developer's Guide for Javascript
      • Overview
      •  Server Configuration for JavaScript
        • Server Configuration for HTTP Delivery
        • Server Configuration for HTTPS Delivery
        • Serving From Another Webserver
      •  Web Client Development in JavaScript
        • Creating a Session
        •  Publish/Subscribe Tasks
          • Overview of using Publish/Subscribe
          • Using a Universal Messaging Channel
          • Subscribing to a Channel
          • Publishing Events to a Channel
          • Transactional Publish
        •  Message Queue Tasks
          • Overview of using Message Queues
          • Using a Queue
          • Subscribing to a Queue
          • Publishing Events to a Queue
          • Asynchronous Transactional Queue Consuming
      •  JavaScript Objects
        • Universal Messaging Events
        • Universal Messaging Event Attributes
        • Event Dictionaries
      •  Optimizing Throughput
        • The Merge Engine and Event Deltas
      •  JavaScript Communication Drivers and Protocols
        • Communication Drivers
        • WebSocket Delivery Mode
        • WebSocket over a Forward Proxy
        • WebSocket over a Reverse Proxy
        • Comet Streaming Delivery Mode
        • Comet LongPolling Delivery Mode
        • Comet Forever IFrame Delivery Mode
      • Example: Implementing a Simple Pub/Sub Client
    •  Web Developer's Guide for Java
      • Web Developer's Guide for Java
      • Deploying Java Applications using Java Web Start
      • Applet Javascript Bridge Example
  • API Language Comparisons
•  Operations Guide
  • Introduction
  • Installation
  • Startup, Shutdown, Planned Outages and Changes
  • Backup and Recovery
  • Monitoring
  •  Running, Administering, and Monitoring Universal Messaging Containers
    • Running Universal Messaging Containers
    •  Administering Universal Messaging Containers
      • Importing a Realm Configuration from a File
    • Logging
    • Using the Log4J2 Logging Framework
    •  Monitoring Universal Messaging Containers
      • Checking Universal Messaging Container Health
      •  Monitoring Universal Messaging Containers with Prometheus
        • Disabling Monitoring
    • Persisting Container Data
    • Universal Messaging Image License
  •  Handling Multiple Connections
    • Handling Many Connections on the Client Side
    • Handling Many Connections on the Server Side
    • Restricting Connections on the Server Side
    • Server Behavior when Authenticating Connections
  • Contacting Software AG Technical Support
  •  Logging
    • Server-Side Journal Logging
    • Using the RealmInformationCollector to Collect Server Logs
    • Configuring Logging in the Server_Common.conf File
    • Audit Logging
    • Client-Side Logging
  • Troubleshooting
  • Purging and Archiving
•  Reference Guide
  • Overview
  • Glossary
  • Universal Messaging API Documentation for Developers
• Copyright

Welcome to Universal Messaging

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