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Java Agent v2.2.3

February 14, 2023

New Feature New​

  • Added the spring-webflux-6.x tracing.

    whatap.conf
    weaving=webflux-6.0

  • Displayed the database connection close in the step.

    • List of the close displaying class data

      • org.apache.commons.dbcp.PoolingDataSource$PoolGuardConnectionWrapper.close()V

      • org.apache.tomcat.dbcp.dbcp.PoolingDataSource$PoolGuardConnectionWrapper.close()V

      • org.apache.tomcat.dbcp.dbcp2.PoolingDataSource$PoolGuardConnectionWrapper.close()V

      • org.apache.commons.dbcp2.PoolingDataSource$PoolGuardConnectionWrapper.close()V

      • com.zaxxer.hikari.pool.ProxyConnection.close()V

    • You can add a class to display the database connection close by setting patterns (Default true).

      whatap.conf
      hook_connection_close_default_enabled=true
      hook_connection_close_patterns=a.b.c.D

  • Added the JDBC URL display setting.

    • When set to jdbc_url_enabled=false, the database connection information traced by the Java agent appears as a class rather than a URL (Default true).

      whatap.conf
      jdbc_url_enabled=true

  • Added the setting to display the database connection pool class.

    • Added the setting to display the class name of the database connection pool behind the JDBC URL data to additionally check the information of the connection pool (Default false).

      whatap.conf
      trace_dbc_append_classname_enabled=false

    • Example for displaying the database connection information in detail

      Display of jdbc_url + "@class info" and connection close info

      whatap.conf
      trace_dbc_append_classname_enabled=true
      trace_dbc_close_enabled=true
      trace_dbc_wrap_enabled=true

  • Added the setting whether or not to connect the Kubernetes master agent (Default false).

    whatap.conf
    kube_agent_connect_enabled=false

  • (batch) Added the setting whether or not to collect active stacks (Default false).

    whatap.conf
    active_stack_enabled=false

  • (batch) Added the tracking function by separating transactions to a batch job (Default false).

    whatap.conf
    split_trace_enabled=false

  • (batch) Added the maximum step setting for the batch job's start transaction (Default 2000).

    whatap.conf
    trace_batch_main_step_max_count=2000

  • (batch) Real-time separated transaction tracing example

    whatap.conf
    trace_batch_main_step_max_count=2000
    split_trace_enabled=true

Update Change​

  • webflux-5.x update of the open source plug-in with the built-in Java agent

  • Changed the fetch time of ResultSet to the nanotime of JVM.

  • When registering transactions with service_patterns, the transaction name is displayed in the form of class#method.

  • When null SQL is delivered during SQL monitoring, sql is null is displayed in the step.

  • (batch) Deleted the DeadLock.

Bug Fixing Fixed​

  • Fixed the double counting bug in the ResultSet wrapper.

  • Fixed the Big Decimal collection bug in the SQL parameters.