Discussion Feed
10-04-2020
11:26 PM
Hi Pranabesh, It is required to install Machine agent with the bundled JRE , then only we can able to pass the parameters to machine agent service. If you would like to points to JRE located on your host , need to change the Java home parameter & path accordingly. Thanks Naren
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06-03-2020
05:02 AM
Hi @Vamsi.Nandula Thanks for the update. Can you log a new help desk ticket and enclose the configuration files , application logs and agent logs (if any) to analyse the issue. Thanks Naren
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06-02-2020
06:40 AM
Hi @Vamsi.Nandula Yes, keep in double quotes and check the beaviour. If any concerns , please log a help desk ticket along with the logs to analyse the issue. Thanks Naren
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11-09-2018
12:56 AM
Hi Ronald,
This article is intended to enable javaagent on Akana environment. But, this will not discover the business transactions . To discover the business transactions , we need to identify the type of transactions you are expecting (servlet , webservices,jms , struts etc).
If you are not sure about that , then we suggest you to follow the below KB article to discover the transactions.
KB#
https://community.appdynamics.com/t5/Knowledge-Base/How-do-I-find-and-configure-entry-points/ta-p/14065
Thanks
Naren
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10-03-2018
10:08 AM
Hi Jack,
Thanks for the update.
Yes , you can use below node properties for the same.
jmx-gc-minorCollectionBean
jmx-gc-majorCollectionBean
Thanks
Naren
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09-03-2018
12:14 AM
1 Kudo
Hi Joao,
Can you restart the JVM by including the below startup parameter to resolve the issue.
-Dappdynamics.agent.log4j2.disabled=true
Thanks
Naren
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08-28-2018
08:51 AM
When configuring a Java agent to monitor a Spring Boot application, you need to configure the Java agent parameter before the Spring Boot application jar file.
Example:
java -javaagent:<agent-install-dir>/ver4.x.x/javaagent.jar -jar application.jar
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08-20-2018
05:31 PM
Issue
On some of your JVM environments, Garbage Collection (GC) metrics are not reporting out of the box.
Observations
The agent collects and reports the GC metrics based on the related MBeans exposed by the underlying JVM. If the JVM does not return the related Mbeans, then GC metrics will not be reported by the agent.
In this case, the agent logs will report the messages below:
[Thread-0] 06 Feb 2018 07:06:23,529 WARN MemoryMetricGenerator - Current JVM GC MX Beans - GPGC New, GPGC Old, not registered with JMX Service.Please add the appropriate minor collection bean name to JMX Service property key name : jmx-gc-minorCollectionBean
[Thread-0] 06 Feb 2018 07:06:23,529 WARN MemoryMetricGenerator - Current JVM GC MX Beans - GPGC New, GPGC Old, not registered with JMX Service.Please add the appropriate major collection bean name to JMX Service property key name : jmx-gc-minorCollectionBean
Solution 1
You will need to analyze the GC mechanisms used by the JVM by verifying with JConsole or any other JMX tool. Refer to the attached screenshots for an example.
Identify the GC mechanism and configure it in the " app-agent-config.xml " file under "JMXService" configurations.
Example:
<agent-service name="JMXService" enabled="true">
<configuration-properties>
<property name="jmx-gc-minorCollectionBean" value="PS MarkSweep"/>
<property name="jmx-gc-majorCollectionBean" value="PS MarkSweep"/>
<property name="jmx-server-metrics-update-interval-in-seconds" value="60"/>
</configuration-properties>
Restart the JVM for the changes to take effect.
Solution 2
You can create custom JMX metrics as follows, although you may need to use the JMX browser to confirm the exact names.
Minor Collection
Major Collection
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08-15-2018
11:06 AM
Issue
Business transactions are being marked as errors, but the error details are not showing on transaction snapshots.
Observation
This could be due to the error registration limit on the agent side. In the agent logs, you may see this message:
INFO ErrorRegistry - ErrorRegistry ADD registration limit has been reached, dropping error object
Resolution
If you see this error, you will need to register the node property below and set the value to >500.
Node Property : max-error-add-registration-limit
Type : Int
Value : 500 (default)
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- business transactions
- Java
- registration limit
- Snapshots
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08-01-2018
02:17 AM
Hi Rakesh,
You can configure the javaagent on <Liberty_Home>/usr/servers/<Liberty_Server_Name>/jvm.options and check the behaviour once.
Thanks
Naren
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Latest Activity
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Community Stats
Date Registered | 04-28-2013 11:42 PM |
Date Last Visited | 02-24-2021 06:08 AM |
Total Messages Posted | 41 |
Total Kudos Received | 5 |