Java Agent v2.1.1
2022-07-12
New features
Sending alert messages upon slow HTTP or SQL
Added the function to send alert messages upon slow HTTP or SQL calls.
Adjustment of error levels of transactions and HTTP calls
A function has been added to recognize the status of transactions or HTTP calls as normal.
# Default value
transaction_status_mode=normal
httpc_status_mode=normal
# Ignorance of errors
transaction_status_mode=info
httpc_status_mode=info
2022-06-30
Update
Modification of the Java agent meta option name
Modified the name of the Java agent meta tag option.
# Default value
agent_meta_tags_enabled=true
Bugs
Fixed the bug upon ID extraction from the container
Fixed the ID extraction bug in the container environment.
2022-06-22
Update
Modification of the license key option in the agent settings
Modified whatap.conf to use both license and accesskey options.
# Same function
license=
accesskey=
2022-06-16
Update
Modification of the agent execution logo
The logo content has been modified while the Java agent is running.
The Best Observability in Java
Modified the asynchronous HTTP call error notification message.
The notification message has been modified to display the status code when an asynchronous HTTP call error occurs.
Bugs
Fixed the class signature verification bug
Fixed the NullPointException case when requesting to display the class signature in the Agent CONFIG. menu.
2022-05-18
New features
Addition of the netstat function
Added the netstat function by using the OSHI library.
Update
Update in error notification settings
Added the settings related to transaction error notification and modified the setting name.
# Default value
# Whether the error notification is enabled
exception_alert_enabled=false
# Whether the transaction error notification is enabled
exception_alert_service_enabled=false
# Whether the error notification is enabled upon HTTP call
exception_alert_httpc_enabled=false
# Whether the error notification is enabled upon JDBC call
exception_alert_jdbc_enabled=false
# Length of the stack displayed in the error notification message
exception_alert_stack_size=50
# Period of disabling the error notification message = 5 minutes (30000ms)
exception_alert_silent_time=300000
# Status code to ignore in the transaction error notification
status_alert_ignore=403
# url:status_code combinations to ignore in the transaction error notification
status_alert_ignore_set=/api/test/timeout:408
# Status code to ignore in the HTTP call error notification
httpc_status_alert_ignore=408,500
# url:status code combinations to ignore in the HTTP call error notification
httpc_status_url_alert_ignore_set=/api/test/timeout:408
Bugs
Fixing the bug upon displaying the agent log
Fixed the bug when recording timestamp logs.
Fixed the class detail view error in JDK15.
Fixed the bug of not being able to view class signatures from the agent configuration screen.
2022-05-16
Update
Addition of the error notification message
Transaction URL has been added to the error notification messages.
Bugs
Bug that cannot trace the local date when tracing SQLs
Fixed the bug where java.time.LocalDate is not traced.
2022-05-11
Update
Addition of the error notification message
The status code has been added to the error notification message. The number of ignored notifications has been added to the error notification message.
2022-04-25
New features
Adding the Alibaba Druid connection pool tracing function
The function to trace the Alibaba Druid connection pool has been added.
# Default
druid_pool_enabled=false
Adding an alert upon HTTP call error
Added the function to send notifications upon HTTP call error.
# Default
httpc_event_detail_enable=false
2022-03-24
New features
Adding the HTTP call error notification
The function has been added to receive a notification when an error occurs upon HTTP call.
The function can be enabled by setting exception_alert_enabled to true. You can receive an error stack as a notification message according to the value specified in the exception_alert_stack_size option.
Once the notification is triggered, you can disable the error notification for the period specified in the exception_alert_silent_time option.
# Default
exception_alert_enabled=false
exception_alert_buffer_size=5
exception_alert_stack_size=50
# 5 minutes (30000 ms)
exception_alert_silent_time=300000
2022-03-18
Update
Saving the database call URL
Modified to save the database call URL.
Deletion of the database call hash value
Deleted the database call hash value from an error text.
New features
Adding the linked service tracing function
The linked service status tracing function has been added so that the target IP or service connection status can be checked in liveTail of log monitoring.
You can enable the function by setting logsink_rt_enabled to true, which collects logs with the #RemoteTrace category.
-
In case of a normal response, the level is ok. In case of error, the level is error.
-
In case of a normal response, logs are recorded according to
logsink_rt_ok_interval. The default value is 30 seconds. -
In case of an error response, logs are recorded according to
logsink_rt_ok_interval. The default value is 5 seconds.
# Default
logsink_rt_enabled=false
logsink_rt_error_interval=5000
logsink_rt_ok_interval=30000
2022-02-18
Bugs
Fixing the HTTP error time setting bug
Fixed the bug where an error appears even if the maximum error time is set to 0 when calling an HTTP.
Update
Adding the display setting for the active stack's thread name
Added the setting to display the active stack's thread name.
# Default
active_stack_thread_name_enabled=false
If the Yard version is low and the value is set to true, the agent connection is disconnected continually due to a protocol error.
Adding the setting to display the asynchronous thread name
Added the setting to display the thread ID and name of the asynchronous thread.
# Default
debug_async_thread_enabled=false
2022-02-11
Bugs
Fixing the .x plug-in int recognition error
Fixed the bug where int values could not be used in the plug-ins that use the x extension.
Fixing the batch agent's getResultSet error
Fixed the TraceSQL.getResultSet error of the batch agent.
Update
Adding automation options for the filenames including logging
Added the function to automatically disable the hooking option when using a file name including the logging string as a plug-in.
Adding the transaction data from the Java agent to the log
Added the function to add transaction data to the log by the Java agent, not by the plug-in.
Application of HttpClient Timeout and error handling
Added the function to apply timeout to HttpClient and handle errors upon timeout.
Adding the JMX pool setting
The default value of the JMX pool object. An option to determine whether or not to use the data source name of the JMX pool has been added.
If the data source name is registered, the JNDI method is executed. If the name is not registered, the default URL method is executed.
jmx_pool_dsname_enabled=false
jmx_pool_object="*:type=DataSource,class=*,name=*"
Adding the heapdump file path option
The log-root option has been added to set the heapdump file path.
# Default
log_root=${WHATAP_HOME}/dump
Modification of the active start part of the batch agent
Modified the batch agent to leave an active stack on the main thread of the batch process.
2022-01-12
Update
Adding the number of DB call errors in the real-time statistics
If an error occurs during database call, the setting has been added to add the number of errors in the real-time statistics.
Adding the HTTP and DB connection's real-time logs
The real-time logs have been added for HTTP and DB connections.
Display of oname specified in the agent log
Even when oname is specified using the -D option, the setting has been modified to display the agent name instead of the PID in the agent logs.
Adding the JDBC URL extraction delimiter
Modified to truncate based on "?" and ";" when extracting JDBC URL.
Added ";"
Adding the automatic recognition function upon use of logsink and log4j plug-ins
Added the function to automatically disable the hooking option when using logsink and log4j plug-ins.
Adding the logsink collection data
The data collected in logsink has been added. According to the configuration, you can determine whether the transaction ID, login ID, and HTTP host data are to be collected.
# Default
_logtag_enabled = false # tag
logtag_txid_enabled=false # transation id
logtag_login_enabled=false # login id
logtag_httphost_enabled=false # http host
2022-01-03
Update
Modification of collection monitoring
In the manner of hooking an existing collection class, it has been modified to retrieve the collection class data indirectly through CollectionHolder.
By adding the class that creates the collection to the collection_nonstatic_holders setting, you can see it in the collection map.
collection_nonstatic_holders=org.apache.catalina.session.ManagerBase
2021-12-21
Update
Adding the thread stop setting
An item has been added to set whether or not to stop the thread when the thread operation time exceeds the set value. The default values is false.
auto_thread_kill_enabled=false # default value
The item, "Cookie" has been excluded from the HTTP header.
Modified to exclude the item, "Cookie" from the HTTP header.
(Previous) cookie,accept,user-agent,referer
(To-be) Cookie,cookie,accept,user-agent,referer
2021-12-17
Update
Adding the weaving setting
The weaving setting has been added to trace plug-ins. As the weaving_reserved setting, the weaving or weaving_reserved setting works the same.
weaving=tomcat10
Adding the exclusions for the agent environment variables
The function has been added to exclude from the search items when a specific key value is entered in the environment variable search function. It can be used in connection with the agent_env_system_enabled and agent_env_jvm_enabled settings.
agent_env_system_enabled=false
agent_env_jvm_enabled=true
agent_env_ignore_keys=user.timezone,user.name,user.language