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Java Agent v2.2.4

May 25, 2023

New Feature New​

  • Added the function to modify the trace URL name.

    whatap.conf
    # The full path of the call method and wildcard (*) can be used.
    hook_tx_name_patterns=ab.cd.ef.GH.ij

    # Select one of class, method, string, and return.
    hook_tx_name_mode=method

    As an example, the method how to call a specific URL and a specific method

    • In case of calling the test100000() method upon calling the URL registered in io.home.test.TestController.test1: /api/100000+test1+test100000

  • Addition of the trace data sampling function

    whatap.conf
    # Default value
    # Whether or not to collect the trace sampling data
    trace_sampling_enabled=false

    # Trace data sampling count
    # Data exceeding the set sampling count is not transmitted.
    # Resets every 5 seconds
    trace_sampling_tps=10000

    # Whether or not to transmit the trace data
    trace_send_enabled=true

    # Trace data sampling debugging option
    debug_trace_samling=false

  • Added the function to ignore the collected SQL data.

    whatap.conf
    # The SQL statement that matches the registered SQL hash value is ignored.
    ignore_sql_hash_set=

  • Added the function to ignore specific exceptional cases in a specific service.

    whatap.conf
    # Register exception:service_url.
    # Use comma (,) as the delimiter.
    # For example, java.util.concurrent.TimeoutException:/api/test/timeout,org.springframework.web.util.NestedServletException:/api/posts/test/cexception
    ignore_exception_tx_pattern=

Update Change​

  • Updated webflux-5.x and webflux-6.x of the open source plugins with the embedded Java agent.

    Modified the spring-webflux plugin to trace the spring-r2dbc.

  • Added the driver information in the remote call. e.g. RabbitMQ, AMQP, Kafka, …

  • Added the driver information in the HTTP call. e.g. ApacheClient, UrlCon, Webflux, …

  • Modified the #RemoteTrace category name of LogSink to #RemoteAccessStatus.

  • Modified to use the logsink on/off without restarting.

    whatap.conf
    # Default value
    hooklog_enabled=true

  • Added the function to trace upon initial call of HttpURLConnection and WebLogic URLConnection.

    whatap.conf
    # Default value
    hook_HttpURLConnection_startup_enabled=false
    hook_HttpURLConnection_weblogic_startup_enabled=false

Bug Fixing Fixed​

  • Fixed the BigDecimal (SQL parameter) collection issue.

  • Fixed the error occurred when calling non-existent key value in the ECS environment.

  • Fixed the RemoteIP based user counting bug upon using Webflux.