JMSRealtimeTrigger​J​M​S​Realtime​Trigger

Trigger a flow execution on a JMS message.

This trigger listens to a JMS queue or topic and starts a new flow for each message.

yaml
type: "io.kestra.plugin.jms.JMSRealtimeTrigger"

Start a flow for each message on a specific JMS queue.

yaml
id: jms-realtime-flow
namespace: at.conapi.dev

tasks:
  - id: log-message
    type: io.kestra.plugin.core.log.Log
    message: "Received from JMS: {{ trigger.data }}"

triggers:
  - id: jms-trigger
    type: io.kestra.plugin.jms.JMSRealtimeTrigger
    connectionFactoryConfig:
      type: DIRECT
      providerJarPaths: kestra:///jms/activemq-client.jar
      connectionFactoryClass: org.apache.activemq.ActiveMQConnectionFactory
    destination:
      name: "kestra.events"
      destinationType: QUEUE
Properties

The destination to consume messages from.

List of conditions in order to limit the flow trigger.

Message selector to only consume specific messages.

A JMS message selector expression to filter messages. Uses SQL-92 syntax (e.g., "JMSPriority > 5 AND type = 'order'").

Default STRING
Possible Values
STRINGJSONBYTES

The format for deserializing the message body.

SubType string
Possible Values
CREATEDRUNNINGPAUSEDRESTARTEDKILLINGSUCCESSWARNINGFAILEDKILLEDCANCELLEDQUEUEDRETRYINGRETRIEDSKIPPEDBREAKPOINT

List of execution states after which a trigger should be stopped (a.k.a. disabled).

The message's content encoding.

The message's content type.

The JMS Correlation ID.

The deserialized message body.

The JMS delivery mode (1 for non-persistent, 2 for persistent).

Format duration

The duration until the message expires.

A map of message headers (JMS properties).

The unique JMS Message ID.

The message priority level.

The name of the destination to which a reply should be sent.

Possible Values
QUEUETOPIC

The type of the replyTo destination (QUEUE or TOPIC).

Format date-time

The timestamp when the message was sent.

Format partial-time

SLA daily deadline

Use it only for DAILY_TIME_DEADLINE SLA.

Format partial-time

SLA daily end time

Use it only for DAILY_TIME_WINDOW SLA.

Format partial-time

SLA daily start time

Use it only for DAILY_TIME_WINDOW SLA.

Default DURATION_WINDOW
Possible Values
DAILY_TIME_DEADLINEDAILY_TIME_WINDOWDURATION_WINDOWSLIDING_WINDOW

The type of the SLA

The default SLA is a sliding window (DURATION_WINDOW) with a window of 24 hours.

Format duration

The duration of the window

Use it only for DURATION_WINDOW or SLIDING_WINDOW SLA. See ISO_8601 Durations for more information of available duration value. The start of the window is always based on midnight except if you set windowAdvance parameter. Eg if you have a 10 minutes (PT10M) window, the first window will be 00: 00 to 00: 10 and a new window will be started each 10 minutes

Format duration

The window advance duration

Use it only for DURATION_WINDOW SLA. Allow to specify the start time of the window Eg: you want a window of 6 hours (window=PT6H), by default the check will be done between: 00: 00 and 06: 00, 06: 00 and 12: 00, 12: 00 and 18: 00, and 18: 00 and 00: 00. If you want to check the window between 03: 00 and 09: 00, 09: 00 and 15: 00, 15: 00 and 21: 00, and 21: 00 and 3: 00, you will have to shift the window of 3 hours by settings windowAdvance: PT3H

The flow id.

The namespace of the flow.

The namespace of the flow or the prefix if prefix is true.

Default false

If we must look at the flow namespace by prefix (checked using startsWith). The prefix is case sensitive.

JNDI Connection Factory Name

JNDI Initial Context Factory

JNDI Provider URL

Connection Properties

Additional (Pojo) properties to set on the Direct/JNDI ConnectionFactory instance.

JNDI Credentials

JNDI Principal

The password for broker authentication.

This is used when creating the connection to the JMS broker. Omit for JNDI if credentials are embedded in the ConnectionFactory.

SubType string

Provider JAR Path(s)

The path to the JMS provider's JAR file(s). This can be a single path or a list of paths (JARs). (e.g., 'file:///app/plugins/jms-libs/client.jar').If not specified, all jar files in the 'jms-libs' sub folder of your plugins location will be added to the classpath.

Default false

Use Filtered ClassLoader

Enable this for JMS providers that bundle JMS API classes in their JAR (e.g., SonicMQ/Aurea Messenger). When enabled, JMS API classes are loaded from the parent classloader to prevent ClassCastException. Leave disabled (default: false) for well-behaved providers like RabbitMQ, ActiveMQ, Artemis, etc. Only enable this if you encounter ClassCastException with javax.jms or jakarta.jms classes.

The username for broker authentication.

This is used when creating the connection to the JMS broker. Omit for JNDI if credentials are embedded in the ConnectionFactory.

The flow id.

The namespace of the flow.

Format time

The time to test must be after this one.

Must be a valid ISO 8601 time with offset.

Format time

The time to test must be before this one.

Must be a valid ISO 8601 time with offset.

Default {{ trigger.date }}

The time to test.

Can be any variable or any valid ISO 8601 time. By default, it will use the trigger date.

List of labels to match in the execution.

Default {{ trigger.date }}

The date to test.

Can be any variable or any valid ISO 8601 datetime. By default, it will use the trigger date.

The name of the JMS queue or topic.

Default QUEUE
Possible Values
QUEUETOPIC

The type of the destination.

Min items 1

The list of conditions to validate.

If any condition is true, it will allow the event's execution.

String against which to match the execution namespace depending on the provided comparison.

Possible Values
EQUALSPREFIXSUFFIX

Comparison to use when checking if namespace matches. If not provided, it will use EQUALS by default.

Default false

Whether to look at the flow namespace by prefix. Shortcut for comparison: PREFIX.

Only used when comparison is not set

SubType

The list of preconditions to wait for

The key must be unique for a trigger because it will be used to store the previous evaluation result.

Validation RegExp ^[a-zA-Z0-9][a-zA-Z0-9_-]*
Min length 1

A unique id for the condition

Default true

Whether to reset the evaluation results of SLA conditions after a first successful evaluation within the given time period.

By default, after a successful evaluation of the set of SLA conditions, the evaluation result is reset, so, the same set of conditions needs to be successfully evaluated again in the same time period to trigger a new execution. This means that to create multiple executions, the same set of conditions needs to be evaluated to true multiple times. You can disable this by setting this property to false so that, within the same period, each time one of the conditions is satisfied again after a successful evaluation, it will trigger a new execution.

Default { "type": "DURATION_WINDOW" }

Define the time period (or window) for evaluating preconditions.

You can set the type of sla to one of the following values:

  1. DURATION_WINDOW: this is the default type. It uses a start time (windowAdvance) and end time (window) that are moving forward to the next interval whenever the evaluation time reaches the end time, based on the defined duration window. For example, with a 1-day window (the default option: window: PT1D), the SLA conditions are always evaluated during 24h starting at midnight (i.e. at time 00: 00: 00) each day. If you set windowAdvance: PT6H, the window will start at 6 AM each day. If you set windowAdvance: PT6H and you also override the window property to PT6H, the window will start at 6 AM and last for 6 hours — as a result, Kestra will check the SLA conditions during the following time periods: 06: 00 to 12: 00, 12: 00 to 18: 00, 18: 00 to 00: 00, and 00: 00 to 06: 00, and so on.
  2. SLIDING_WINDOW: this option also evaluates SLA conditions over a fixed time window, but it always goes backward from the current time. For example, a sliding window of 1 hour (window: PT1H) will evaluate executions for the past hour (so between now and one hour before now). It uses a default window of 1 day.
  3. DAILY_TIME_DEADLINE: this option declares that some SLA conditions should be met "before a specific time in a day". With the string property deadline, you can configure a daily cutoff for checking conditions. For example, deadline: "09: 00: 00" means that the defined SLA conditions should be met from midnight until 9 AM each day; otherwise, the flow will not be triggered.
  4. DAILY_TIME_WINDOW: this option declares that some SLA conditions should be met "within a given time range in a day". For example, a window from startTime: "06: 00: 00" to endTime: "09: 00: 00" evaluates executions within that interval each day. This option is particularly useful for declarative definition of freshness conditions when building data pipelines. For example, if you only need one successful execution within a given time range to guarantee that some data has been successfully refreshed in order for you to proceed with the next steps of your pipeline, this option can be more useful than a strict DAG-based approach. Usually, each failure in your flow would block the entire pipeline, whereas with this option, you can proceed with the next steps of the pipeline as soon as the data is successfully refreshed at least once within the given time range.
Min items 1

The list of conditions to exclude.

If any condition is true, it will prevent the event's execution.

Connection Factory Class

The fully qualified class name of the JMS ConnectionFactory.

Connection Properties

Additional (Pojo) properties to set on the Direct/JNDI ConnectionFactory instance.

The password for broker authentication.

This is used when creating the connection to the JMS broker. Omit for JNDI if credentials are embedded in the ConnectionFactory.

SubType string

Provider JAR Path(s)

The path to the JMS provider's JAR file(s). This can be a single path or a list of paths (JARs). (e.g., 'file:///app/plugins/jms-libs/client.jar').If not specified, all jar files in the 'jms-libs' sub folder of your plugins location will be added to the classpath.

Default false

Use Filtered ClassLoader

Enable this for JMS providers that bundle JMS API classes in their JAR (e.g., SonicMQ/Aurea Messenger). When enabled, JMS API classes are loaded from the parent classloader to prevent ClassCastException. Leave disabled (default: false) for well-behaved providers like RabbitMQ, ActiveMQ, Artemis, etc. Only enable this if you encounter ClassCastException with javax.jms or jakarta.jms classes.

The username for broker authentication.

This is used when creating the connection to the JMS broker. Omit for JNDI if credentials are embedded in the ConnectionFactory.

Possible Values
FIRSTLASTSECONDTHIRDFOURTH

Are you looking for the first or the last day in the month?

Possible Values
MONDAYTUESDAYWEDNESDAYTHURSDAYFRIDAYSATURDAYSUNDAY

The day of week.

Default {{ trigger.date }}

The date to test.

Can be any variable or any valid ISO 8601 datetime. By default, it will use the trigger date.

Possible Values
MONDAYTUESDAYWEDNESDAYTHURSDAYFRIDAYSATURDAYSUNDAY

The day of week.

Default {{ trigger.date }}

The date to test.

Can be any variable or any valid ISO 8601 datetime. By default, it will use the trigger date.

SubType string
Possible Values
CREATEDRUNNINGPAUSEDRESTARTEDKILLINGSUCCESSWARNINGFAILEDKILLEDCANCELLEDQUEUEDRETRYINGRETRIEDSKIPPEDBREAKPOINT

List of states that are authorized.

SubType string
Possible Values
CREATEDRUNNINGPAUSEDRESTARTEDKILLINGSUCCESSWARNINGFAILEDKILLEDCANCELLEDQUEUEDRETRYINGRETRIEDSKIPPEDBREAKPOINT

List of states that aren't authorized.

Format date-time

The date to test must be after this one.

Must be a valid ISO 8601 datetime with the zone identifier (use 'Z' for the default zone identifier).

Format date-time

The date to test must be before this one.

Must be a valid ISO 8601 datetime with the zone identifier (use 'Z' for the default zone identifier).

Default {{ trigger.date }}

The date to test.

Can be any variable or any valid ISO 8601 datetime. By default, it will use the trigger date.

SubType string
Possible Values
CREATEDRUNNINGPAUSEDRESTARTEDKILLINGSUCCESSWARNINGFAILEDKILLEDCANCELLEDQUEUEDRETRYINGRETRIEDSKIPPEDBREAKPOINT

List of states that are authorized.

SubType string
Possible Values
CREATEDRUNNINGPAUSEDRESTARTEDKILLINGSUCCESSWARNINGFAILEDKILLEDCANCELLEDQUEUEDRETRYINGRETRIEDSKIPPEDBREAKPOINT

List of states that aren't authorized.

ISO 3166-1 alpha-2 country code. If not set, it uses the country code from the default locale.

It uses the Jollyday library for public holiday calendar that supports more than 70 countries.

Default {{ trigger.date }}

The date to test.

Can be any variable or any valid ISO 8601 datetime. By default, it will use the trigger date.

ISO 3166-2 country subdivision (e.g., provinces and states) code.

It uses the Jollyday library for public holiday calendar that supports more than 70 countries.