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Java agent release notesRSS

November 2, 2016
Java agent v3.33.0

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Improvements

  • Database instance reporting

    The agent now reports database instance information for most supported databases. With the additional database instance information, transaction traces and slow query traces will provide the database server and database name for the queries displayed. You will see instance-level information when connecting by using the following drivers:

    • Any JDBC driver, including those in our compatibility doc.
    • DataStax Cassandra driver (2.1.2, 3.0 to 3.1).
    • Jedis Redis driver (1.4 to 2.9).
    • Mongo (2.12.0 to 2.13.3, 3.1 to 3.3).
    • Spymemcached (2.11 to 2.12). Note that instance-level information is not reported for calls to the getBulk API method..

Bug fixes

  • Fixed a bug in Play 2.5 instrumentation that could cause the agent to report shorter response times when using Action.async.
  • SQL stored procedure names are now reported in more edge cases such as “exec @param = stored_procedure”
  • Fixed an issue where explain plans were not being executed for versions 9.0-9.3 of PostgreSQL.
  • Fixed an issue where the agent could cause a Mule application request to fail with a NotSerializableException reported in the application log.
  • Fixed an issue where JVM versions that do not support ThreadCpuTime() would throw an UnsupportedOperationException, preventing the JVM from starting.
  • Fixed a potential memory leak in versions of Jetty 7 and 8 when using CometD.
  • Fixed an issue where the Hystrix toObservable method was double counting metrics on newer versions of Java 7 and all versions of Java 8.

September 19, 2016
Java agent v3.32.0

Improvements

  • WebLogic

    This release adds official support for WebLogic versions 12.2.x

  • Performance Improvements

    Improvements in Java agent startup time, particularly on modular ClassLoader architectures (such as JBoss)

Fixes:

  • Fixed bug in spymemcached instrumentation that would incorrectly name segments in transaction traces that contained “get-and-touch” operations.

  • Improved Play 2.5 instrumentation

    • Fixed memory leak for large POST requests.
    • Fixed incorrect response times. Previously, large uploads could cause inflated response times.
    • The agent now tracks PlayRequestHandler and no longer shows the short-lived NettyDispatcher transactions.
  • Fixed a bug that could cause cross application tracing to display URLs as “Unknown” in transaction traces when the URL did not include the port number.

  • Fixed a bug in Jetty 9.3 instrumentation where transactions were not reported and memory was leaked if an incoming async request was wrapped by a framework or Jetty itself.

August 10, 2016
Java agent v3.31.1

Fixes

  • Fixed a bug that caused a StackOverflow exception for drivers that execute a query on Connection.getMetaData().

Note: This issue was introduced in Java agent version 3.30.0.

August 3, 2016
Java agent v3.31.0

Improvements

Fixes

  • Fixed an issue that was preventing Jetty JMX threads metrics from being pulled in later versions of Jetty 9.X.
  • Fixed bug in the recordMetric API that in rare cases could start an unwanted long running transaction.
  • Fixed a memory leak in the Async Servlet instrumentation.
  • Fixed a bug in the setRequestAndResponse API that could throw a java.lang.NumberFormatException in the customer’s application when the circuit breaker trips.

July 20, 2016
Java agent v3.30.1

Fixes

Fixed a security issue that could send external HTTP request parameters to New Relic via transaction traces for applications that do all of the following:

*For Java agent versions 3.6.0-3.25.0, this issue only affects cross-application traces.

Recommended for applications that may include sensitive information in external service call request parameters.

If you can’t upgrade the agent immediately, there are a few workarounds:

You can also delete existing transaction traces.

June 28, 2016
Java agent v3.30.0

Improvements

  • Mule ESB 3.4 - 3.6

    This release adds instrumentation for Mulesoft Mule ESB Server versions 3.4 through 3.6. Requests to an HTTP Transport will show in New Relic as web transactions. Mule ESB Server instances will appear as "dispatchers" on the overview page and the JVM metrics page. All of the usual features of New Relic APM are supported including alerting, error reporting, JMS puts and takes, cross application tracing, transaction traces, key transactions, external services, and database call reporting.

    NOTE: The newer HTTP operation-based Connector is not yet supported.

  • Play 2.5

    This release adds instrumentation for the Play 2.5 framework. The previous Java Agent release supports versions of Play up to 2.4.

  • Cassandra async 2.1.2+ and 3.x

    This release adds instrumentation for asynchronous queries in versions 2.1.2+ and 3.x of the Datastax Cassandra driver, including slow query support. You’ll see relevant breakdowns in the overview chart, entries on the Databases page, and segments in transaction traces.

  • Async Http Client 2.x

    This release adds instrumentation for external service calls made using Async Http Client versions 2.x. If the called external service is also running New Relic, you will see cross application tracing details as well. This instrumentation will also capture external calls made from Play WSAPI (which uses Async Http Client).

  • Transaction traces for key transactions

    If you set an Apdex value for a key transaction, the agent will now capture transaction traces based on that key transaction's Apdex value if it's smaller than the application’s Apdex value.

  • JDBC performance and overhead improved

    This release offers better performance and lower overhead of JDBC instrumentation, especially in situations with large numbers of connections.

Fixes:

  • Fixed multiple issues related to Java Agent logging including:

    • ClassCastExceptions thrown into customer application logs
    • Agent logging being diverted into customer application logs
  • Fixed a bug where transactions could timeout during agent harvest, resulting in missing metrics and logging: "Traced activity timed out after 600 seconds. The traced_activity_timeout configuration parameter can be used to adjust this timeout.”

  • Resolved Metric grouping issue in Spray/Akka tell instrumentation. The agent now names temporary actors "temp".

  • In rare cases a ClassCircularityError could be induced by the agent when running with a custom security manager.

  • Fixed issue where a database connection can get labeled as "JDBC" instead of the more specific, supported database type such as "MySQL" or "PostgreSQL". This issue specifically affects customers running with a proxying or delegating JDBC connection.

May 24, 2016
Java agent v3.29.0

Improvements

  • JDBC instrumentation

    • JDBC ResultSet instrumentation performance has been improved.
    • Instrumentation has been added for:
    • i-Net Merlia 7.0.3 database driver
    • Generic JDBC drivers
  • Cassandra

    This release adds instrumentation for the Cassandra Datastax 3.0 Driver including slow query support. You’ll see relevant breakdowns in the overview chart, entries in the Databases tab, and segments in transaction traces.

    Note: Uses of the client's async API are not currently supported.

Fixes:

  • Fixed a bug which caused some applications that use Play and Ning AsyncHttpClient to miss transactions.
  • Fixed an issue which would cause the thread profiler to not report data while profiling some Scala classes.
  • Fixed a rare bug where a RuntimeException is thrown during class transformation which can prevent some instrumentation from being applied.
  • Fixes a rare case where Tomcat ClassLoaders could leak memory when using a JDBC driver bundled in your application after reloading a web application.

April 20, 2016
Java agent v3.28.0

Improvements

  • Cassandra

    This release adds slow query tracking to Cassandra queries made via the Datastax driver. You’ll now see slow CQL queries on the Databases page and within Transaction Traces. You must add the following to your newrelic.yml configuration to enable this feature in High-security mode:

    transaction_tracer:
    slow_query_whitelist:
    'com.newrelic.instrumentation.cassandra-datastax-2.1.2'
  • MongoDB

    The Java agent now reports synchronous calls made via MongoDB Java driver 2.14. You will see MongoDB represented on the Overview page, on the Databases page, and in Transaction traces. Note: The asynchronous driver is not yet supported.

  • Apache Tomcat

    This release adds support for Tomcat 8.5

  • Akka

    • This release adds support for Akka forwarding and Akka broadcasting. The agent will now trace messages broadcast or forwarded to actors.
    • When the system sends a message to an Actor, the agent now reports the name of the actor system that sent the message. Previously, the agent reported “deadletters” under these circumstances.
  • Async performance

    This release adds performance enhancements for asynchronous frameworks, especially Hystrix. Performance in Hystrix will noticeably improve for most applications, and will be up to 3x faster when tracing low-latency requests (response time <3ms). Performance for low-latency Play applications will be up to 30% faster.

  • JDBC

    This release adds support for the following JDBC drivers:

    • MySQL 6.0.2 and higher
    • i-Net Oranxo 3.06
    • i-Net MERLIA 8.04.03 and 8.06

Fixes

  • Fixed a bug that could cause Akka Http instrumentation to throw a NullPointerException into customer code.
  • Fixed a bug in the Spymemcached instrumentation that would report operations with the name “None” instead of the correct operation name.
  • Fixed a bug that could cause highly asynchronous applications to experience a memory leak in the NewRelic TransactionService.

March 30, 2016
Java agent v3.27.0

Improvements

  • Spymemcached

    The Java agent now provides visibility into your applications’ usage of Memcached when using the Spymemcached client versions 2.11 to 2.12. You will see the calls in the application breakdown, in trace details, on the Databases page, in Transaction maps, and in Service maps.

  • JDBC Drivers

    This release adds support for the following JDBC drivers:

    • INet Oracle Driver (Oranxo) 3.14
    • Sybase (jConnect) JDBC 3 driver

Fixes

  • Fixed an issue where the agent treated HTTP headers as being case sensitive, causing CAT to miss under certain conditions.
  • Fixed an issue where error data could be dropped, causing 413 status code errors to be reported in the agent log.
  • Fixed a bug in spray-http and akka-http routing libraries where response times and/or route names could be reported incorrectly when using Futures within the route.
  • Fixed various issues related to the proper handling of multibyte character encoding.
  • Fixed a bug in Java agent version 3.26.x that could cause the Thread Profiler to time out.
  • Fixed a bug where an error could get printed to the agent log when making SQL queries from an asynchronous framework.

Notes

In support of an upcoming feature, the Java agent is now capable of reporting class metadata including class method signatures, method annotations, class annotations, field annotations, field types, and field names.

This reporting is on by default and can be explicitly disabled in the agent by setting the property in your newrelic.yml configuration file:

command_parser:
blacklist: send_module_metadata

February 25, 2016
Java agent v3.26.1

Improvements

  • PostgreSQL

    This release adds improved support for PostgreSQL 8.0+ with jdbc3+. All of these versions now include support for explain plans.

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