Java エージェント - リリースノート

※最新情報については、リリースノート（英語ページ）をご参照ください。日本語版サイトでの最新情報はこちらをご参照ください。

バージョン 4.7.0

20-06-2018

Enhancements:

• Support for customizing transaction names via API
• Support for adding custom parameters in a transaction via API
• Support for distributed tracing
• Support for JettyHTTP client

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バージョン 4.6.0

20-06-2018

Enhancements:

• For dockers, complete container id is taken as host name to support host based licensing.
• Agent can now automatically identify AWS ECS environment.
• Agent logs can be written in STDOUT, if enabled.
• App parameter keynames can also contain DOT (.)

Issue fix:

• JVM metrics were displayed with negative values - this issue has been fixed.

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バージョン 4.5.0

20-06-2018

Enhancements:

• You can now track calls made to Elasticsearch via Transport client and Rest High Level client.
• HTTP request parameters are now captured at the end of transaction.
• Agent can now automatically identify GCE and AWS Fargate environments.

Issue fixes:

• Null pointer exceptions, that occur while processing Cassandra and MongoDB queries have been fixed.
• Retry interval in agent communication has been fixed.

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バージョン 4.4.1

05-03-2019

Issue fixes:

• Typo errors while capturing Postgres SQL queries has been fixed.
• Host details of the failed Cassandra queries are now captured by the agent.
• Agent can now support Jedis latest version 3.0
• Null pointer exceptions, that occur while processing SQL queries have been fixed.

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New Feature:

31-01-2019

• Context-based monitoring: Applications running on the same app server can be monitored as individual contexts. This would help you to view metrics for each context separately.

Issue fixes:

• Data mismatch in exception count and CPU time has been fixed.
• In case of 100% failure in background transaction, it's minimum response time was not captured properly. This has been fixed.
• While capturing logged exceptions, if error message is 'null', agent was throwing NullPointerException - this issue has been fixed.

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バージョン 4.3

31-12-2018

Enhancements:

• Monitoring support for applications running in Java 9, 10, and 11.

Issue fixes:

• Query strings were captured along with the transaction names in Play framework - this issue has been fixed.
• In case of SQL queries, table names were mis matched if SQL queries contained sub queries. This issue has been fixed and table names and operations of primary queries are now captured and displayed.
• Unlogged exceptions, captured by the agent are counted under the " Warning" category.

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バージョン 4.2

16-10-2018

Enhancements:

• With respect to deprecation of earlier TLS versions, users were requested to upgrade their application programming environments, for uninterrupted monitoring. But with Java agent version 4.2, users need not upgrade their programming environments. The agent is compatible with TLS version 1.2 and ensures un-interrupted monitoring service.

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バージョン 4.1

08-10-2018

Enhancements:

• Transaction traces are now captured in case of high exception count, new exception type and high SQL time, apart from default threshold configurations.
• In thread profiling, only high CPU consuming threads are profiled instead of dumping all threads.
• Table name is shown along with the corresponding SQL operation in Traces.
• For background transactions, exception metrics are captured. Also, instance level metrics for background transactions are shown in application dependency maps.

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バージョン 4.0

19-09-2018

Enhancements:

• Monitoring support for Filter framework has been re-introduced.

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バージョン 3.9

01-06-2018

New Feature:

• App Parameter support: Monitor the size of frequency of an operation or variable using App Parameters.

Enhancements:

• Exclude HTTP errors from monitoring to reduce noise in your monitoring environment

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バージョン 3.8

04-05-2018

Enhancements

• Proxy passwords have been encrypted and GDPR changes are implememted
• All internal components are merged into a single component under the name 'APP CODE'
• Number of component metrics per transaction is limited to 15.

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バージョン 3.7

13-03-2018

New Feature

• Agent can track external calls even when maximum tracking limit is reached ( Upper limit is set to twice the maximum limit )
• Complete query is shown for MongoDB calls
• Users can now exclude packages from instrumentation (using key 'exclude.packages' in apminsight.conf file, requires restart)

Enhancements

• External HTTP call url length restriction has been removed
• Host details added to Memcached & Redis calls in trace details
• Trace now shows method call count split-up as first line

Issue fixes

• Trace constructions failed when host details are received as empty string (possible while extracting from JDBC urls in DB trackers) - this issue has been fixed and now host details will be skipped, if value is empty

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バージョン 3.6

12-02-2018

New Feature

• Users can now use our API to monitor block of code in their application
• Users can prepend HTTP method to transaction name, if required

Enhancements

• In traces, additional rows are added to highlight un-instrumented block of code between instrumented method calls,
• Components HTTP CLIENT & HTTP CONNECTION are merged into a single component named HTTP CALL
• In thread profiling, default profiling and sampling intervals have been reduced. Now agent profiles every one hour for 5 minutes

Issue fixes

• Agent failed to capture Cassandra query on failure - issue has been addressed and fixed

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バージョン 3.5.1

2-11-2017

Issue Fixes

• Passing empty value for Exceptions to ignore, made agent drop all exceptions. It has been fixed.

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バージョン 3.5

1-11-2017

New Feature

• Agent can track transactions from JAX-WS framework
• Users can now exclude exceptions from tracking
• Agent can now track exceptions logged via Log4j2
• Users can now use our API for tracking exceptions in their applciation

Enhancements

• Error count for database metrics
• Host details for Cassandra queries are captured and displayed in traces and Service map
• Users can view performance data of Cassandra queriesin Database tab itslef
• Agent now supports tracking of SQL calls made via MySQL Client 5.x
• Optimized transaction filtering mechanism
• Agent can detect whether agent is running in Docker environment
• Every exception captured by the agent will be associated to a transaction
• Issue of getting empty stacktrace for exceptions has been fixed
• Auto-instrumentation will be enabled only in known environment (app server/framework)
• HTTP params will be captured in all frameworks & known servers, if enabled
• Incase of license expired or exceeded, agent will retry communication for 15 days before shutting itself down

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バージョン 3.4

18-08-2017

New Features

• Failed Components' count are captured for each transaction, which can be viewed in Service map
• Agent now can track requests to Restlet framework
• Agent can now track performance of MongoDB queries
• Exceptions handled by Spring framework ExceptionHandler (@ControllerAdvice, @ExceptionHandler) are now captured by the agent. These exceptions can be viewed under Exceptions tab
• Users can now provide name for the methods custom instrumented using agent annotation API. Method parameters can also be used for naming the methods

Issue Fixes

• HTTP Parameters in Jersey framework were inaccessible by the application, when capture request parameters was enabled. The issue has been addressed and fixed.

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バージョン 3.3.1

04-08-2017

New Feature

• Users can now customize agent polling interval (minimum interval is one minute)
• Metric thresholds have been modified to be uniform across all APM Insight agents

Issue Fixes

• HttpClient used by the agent printing logs in user application logs have been fixed
• Incorrect SQL query parsing regex blocked metric processing has been fixed

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バージョン 3.3

16-05-2017

NEW Feature

• Support for Java 1.5 has been deprecated. Agent will now work on Java 6 & above
• Thread profiling (Scheduled & On-demand)
• Agent auto-instruments slow performing methods identified by thread profiling
• Agent now filters application packages from native & thrid party packages, which helps in identifying application specific methods for tracking performance.

Enhancements

• Data collection will not be disabled when Smart sampler reaches its maximum threshold level

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バージョン 3.1

30-03-2017

New Feature

• Users can now exclude transactions from monitoring using regex
• Transaction merge patterns can now also applied to background transactions
• Agent now can track memory pools of IBM Java in JVM monitoring
• Native and application server packages are removed from stacktrace to provide clear view of the code flow
• No agent/server restart is required for any changes made in agent configuration files

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バージョン 3.0

11-01-2017

New Feature

• Smart Sampling - In(De)crease sampling factor based on CPU & memory usage of JVM
• Agent/server restart is not required for changes in custom_instrumentation.conf file to take effect

Enhancements

• Agent now tracks SQL calls made via MSSQL sqljdbc.jar

Issue Fixes

• Additional checks are introduced to avoid instrumenting abstract methods
• Fixed NullPointerException while extracting host address for calls made via Apache HttpClient

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バージョン 2.9.1

04-11-2016

New Feature

• External HTTP calls when treated as Background transaction, will use URL for naming the transaction
• Agent can identify applications hosted in cloud environment
• Agent can now track calls made via Apache HttpClient 4.x
• Option to provide license key via environment variable(S247_LICENSE_KEY)

Issue Fixes

• Some external HTTP calls were missing their hostname. It has been addressed

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バージョン 2.9

28-09-2016

Enhancements

• In case of agent communication failure, agent tries to reconnect at specific intervals

Issue Fixes

• Few EJB3 calls, which were not captured has now been addressed - agent can track all kind of EJB3 calls

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バージョン 2.8

18-08-2016

New Feature

• Users can now make agent configuration changes from Site24x7 web client
• Improved agent response time overhead

Issue Fixes

• Stack trace for failed DB queries were not shown previously - This has been fixed and user can see stack trace for the same in the web client

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バージョン 2.7.1

05-08-2016

New Feature:

• Agent can track EJB3 calls made in the application

Issue Fixes

• Fixed bad requests(HTTP code 400) send by agent to our servers

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バージョン 2.7

22-07-2016

New Feature

• Java agent auto-installation and basic troubleshooting options are provided
• Agent now tracks transactions in Play 2.5 framework
• Agent can monitor applications running on JAVA 8

Issue Fixes

• Avoid starting agent services, if duplicate javaagent arguments present

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バージョン 2.6

28-03-2016

New Feature

• Agent tracks HTTP response code for all web transactions
• Agent can track Cassandra queries made using Datastax client
• Traces are now captured based on various paramteres like Response time, external calls, CPU time.
• In traces, total method call count is shown in client.
• Agent now shows all external calls in Traces
• In traces, users can view Success and failed count of external components
• Stacktrace are captured and shown for exceptions in trace

Issue Fixes

• JVM metrics were collected when monitor is in Suspended state - This has been fixed

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バージョン 2.5

6 -01-2016

New Feature

• Agent start-up time has been reduced.
• Change log level at runtime without agent/server restart
• Agent version can be identified by executing the agent jar (java -jar apminsight-javaagent.jar)
• Log location can be identified in System.out along with agent hookup message

Issue Fixes

• CPU time calculation for individual transactions has been enhanced
• Bundled Log4j trying to initialise user's appenders during auto-initialisation
• Throughput per transaction for external components are calculated with precision
• Duplicate traces not captured though the option is enabled

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バージョン 2.4

5-11-2015

New Feature

• CPU time per transaction is tracked and shown
• Agent can now capture traces on violating external component throughput, CPU threshold, pointcut exception
• No restart required for changes in background_transactions.conf file
• Retransform classes that have loaded before agent initialization

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バージョン 2.3.1

1-10- 2015

New Feature

• Agent now tracks AWS calls made from the application using Amazon SDK

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バージョン 2.3

2 -09-2015

New Feature

• Exception count and error message are now tracked by the agent
• Agent can now track HTTP calls made via java.net package

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バージョン 2.2.1

24 -08- 2015

New Feature

• Users can now define and monitor custom components via custom instrumentation
• Agent now communicates using TSLv1 protocol

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バージョン 2.2

6 - 08 - 2015

New Feature

• Users can now custom instrumen specific methods using agent annotations
• Agent is now loaded in bootstrap classloader
• Agent can now monitor calls made to Memcached, Redis, Apache HttpClient, and Informix

Issue Fixes

• HttpPointcutPropertiesPool removed
• Remove threadlocal on dropping RootTracker
• Disable JVM collection in Unmanaged state
• Stacktrace depth limited to 7

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