188 lines
6.6 KiB
Markdown
188 lines
6.6 KiB
Markdown
# Logging
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Apache ActiveMQ Artemis uses the JBoss Logging framework to do its logging and is
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configurable via the `logging.properties` file found in the `etc` directory. This
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is configured by default to log to both the console and to a file.
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There are a handful of general loggers available:
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Logger | Description
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---|---
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org.jboss.logging|Logs any calls not handled by the Apache ActiveMQ Artemis loggers
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org.apache.activemq.artemis.core.server|Logs the core server
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org.apache.activemq.artemis.utils|Logs utility calls
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org.apache.activemq.artemis.journal|Logs Journal calls
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org.apache.activemq.artemis.jms|Logs JMS calls
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org.apache.activemq.artemis.integration.bootstrap|Logs bootstrap calls
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org.apache.activemq.audit.base|audit log. Disabled by default
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org.apache.activemq.audit.resource|resource audit log. Disabled by default
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org.apache.activemq.audit.message|message audit log. Disabled by default
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## Activating TRACE for a specific logger
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Sometimes it is necessary to get more detailed logs from a particular logger. For
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example, when you're trying to troublshoot an issue. Say you needed to get TRACE
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logging from the logger `org.foo`. First you would need to add `org.foo` to the
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`loggers` list at the top of `logging.properties`, e.g.:
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```
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loggers=...,org.foo
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```
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Then you need to configure the logging level for the `org.foo` logger to `TRACE`,
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e.g.:
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```
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logger.org.foo.level=TRACE
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```
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Lastly, you would need to update the `level` of the necessary `handler` to allow
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the `TRACE` logging through, e.g.:
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```
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handler.CONSOLE.level=TRACE
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```
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or
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```
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handler.FILE.level=TRACE
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```
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## Logging in a client or with an Embedded server
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Firstly, if you want to enable logging on the client side you need to
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include the JBoss logging jars in your library. If you are using Maven
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the simplest way is to use the "all" client jar.
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```xml
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<dependency>
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<groupId>org.jboss.logmanager</groupId>
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<artifactId>jboss-logmanager</artifactId>
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<version>2.1.10.Final</version>
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</dependency>
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<dependency>
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<groupId>org.apache.activemq</groupId>
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<artifactId>activemq-core-client-all</artifactId>
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<version>2.14.0</version>
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</dependency>
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```
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There are 2 properties you need to set when starting your java program,
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the first is to set the Log Manager to use the JBoss Log Manager, this
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is done by setting the `-Djava.util.logging.manager` property i.e.
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`-Djava.util.logging.manager=org.jboss.logmanager.LogManager`
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The second is to set the location of the logging.properties file to use,
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this is done via the `-Dlogging.configuration` for instance
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`-Dlogging.configuration=file:///home/user/projects/myProject/logging.properties`.
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> **Note:**
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>
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> The `logging.configuration` system property needs to be valid URL
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The following is a typical `logging.properties` for a client
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```
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# Root logger option
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loggers=org.jboss.logging,org.apache.activemq.artemis.core.server,org.apache.activemq.artemis.utils,org.apache.activemq.artemis.journal,org.apache.activemq.artemis.jms,org.apache.activemq.artemis.ra
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# Root logger level
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logger.level=INFO
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# Apache ActiveMQ Artemis logger levels
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logger.org.apache.activemq.artemis.core.server.level=INFO
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logger.org.apache.activemq.artemis.utils.level=INFO
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logger.org.apache.activemq.artemis.jms.level=DEBUG
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# Root logger handlers
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logger.handlers=FILE,CONSOLE
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# Console handler configuration
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handler.CONSOLE=org.jboss.logmanager.handlers.ConsoleHandler
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handler.CONSOLE.properties=autoFlush
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handler.CONSOLE.level=FINE
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handler.CONSOLE.autoFlush=true
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handler.CONSOLE.formatter=PATTERN
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# File handler configuration
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handler.FILE=org.jboss.logmanager.handlers.FileHandler
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handler.FILE.level=FINE
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handler.FILE.properties=autoFlush,fileName
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handler.FILE.autoFlush=true
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handler.FILE.fileName=activemq.log
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handler.FILE.formatter=PATTERN
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# Formatter pattern configuration
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formatter.PATTERN=org.jboss.logmanager.formatters.PatternFormatter
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formatter.PATTERN.properties=pattern
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formatter.PATTERN.pattern=%d{HH:mm:ss,SSS} %-5p [%c] %s%E%n
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```
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## Configuring Audit Logging
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There are 3 audit loggers that can be enabled separately and audit different types of events, these are:
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1. Base logger: This is a highly verbose logger that will capture most events that occur on JMX beans
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2. Resource logger: This logs creation, updates and deletion of resources such as Addresses and Queues and also authentication, the main purpose of this is to track console activity and access to broker.
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3. Message logger: this logs message production and consumption of messages and will have a potentially negative affect on performance
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These are disabled by default in the logging.properties configuration file:
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```$xslt
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logger.org.apache.activemq.audit.base.level=ERROR
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logger.org.apache.activemq.audit.base.handlers=AUDIT_FILE
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logger.org.apache.activemq.audit.base.useParentHandlers=false
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logger.org.apache.activemq.audit.resource.level=ERROR
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logger.org.apache.activemq.audit.resource.handlers=AUDIT_FILE
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logger.org.apache.activemq.audit.resource.useParentHandlers=false
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logger.org.apache.activemq.audit.message.level=ERROR
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logger.org.apache.activemq.audit.message.handlers=AUDIT_FILE
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logger.org.apache.activemq.audit.message.useParentHandlers=false
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...
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```
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To enable the audit log change the above level to INFO, like this:
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```$xslt
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logger.org.apache.activemq.audit.base.level=INFO
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logger.org.apache.activemq.audit.base.handlers=AUDIT_FILE
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logger.org.apache.activemq.audit.base.useParentHandlers=false
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...
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```
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The 3 audit loggers can be disable/enabled separately.
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Once enabled, all audit records are written into a separate log
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file (by default audit.log).
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### Logging the clients remote address
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It is possible to configure the audit loggers to log the remote address of any calling clients either through normal
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clients or through the console and JMX. This is configured by enabling a specific login module in the login config file.
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```$xslt
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org.apache.activemq.artemis.spi.core.security.jaas.AuditLoginModule optional
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debug=false;
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```
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> **Note:**
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>
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> This needs to be the first entry in the login.config file
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> **Note:**
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>
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> This login module does no authentication, it is used only to catch client information through which ever path a client takes
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## Use Custom Handlers
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To use a different handler than the built-in ones, you either pick one from
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existing libraries or you implement it yourself. All handlers must extends the
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java.util.logging.Handler class.
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To enable a custom handler you need to append it to the handlers list
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`logger.handlers` and add its configuration to the `logging.configuration`.
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Last but not least, once you get your own handler please [add it to the boot
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classpath](using-server.md#adding-bootstrap-dependencies) otherwise the log
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manager will fail to load it!
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