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The following FAQ is specific to non-High Availability Controller environments. For production Controllers that will not start, contact Support and include the Controller logs located in the installation directory. Questions I completed the Contro...
The following article explains the considerations and challenges when using any application that is a heavy user of I/O, like AppDynamics Controllers running on Virtual Machines (VMs). It is applicable to AppDynamics version 4.3.x. AppDynamics’ me...
Question How do I provide a username and password for an HTTP proxy for use with the Apache Web Server Agent or C/C++ SDK? Scope This article applies only to those versions of the Apache Web Server Agent and C/C++ SDK that utilize the standalone J...
How do I enable or disable Health Rules and policies using an API? Is there a way to delete Health Rules? In this article... HR Disable APIHR Enable APIPolicy Disable APIPolicy Enable API How do I delete Health Rules?Related Links APIs for enab...
Beginning with AppDynamics version 4.3.x, a user can enable and disable Collectors that they have created. Newly created Collectors are enabled by default. Users who want to discontinue monitoring a database without deleting the Collector prof...
How do I resolve a non-admin user permissions errors in ALD, OIT, or custom memory structures? Problem When a non-admin user runs automatic leak detections (ALD), object instance tracking(OIT), or Custom memory structures, they may see the followi...
When running WebSphere with Security Enabled, the user must provide permissions to the Java Agent, to ensure a seamless interaction between the two. Add the following snippet to the security policy file: grant codeBase "file:\* AGENT_DEPLOYMENT_...
In order to view the SQL statements in transaction snapshots related to Postgres database, apply the following node properties. See: How to Add a Registered Node Property Property: jdbc-connectionsValue: org.postgresql.jdbc.PgConnectionProperty...
Problem: Users find JNI-related warning messages in application logs. Example: WARNING: JNI local refs: 76306, exceeds capacity: 32 at sun.instrument.InstrumentationImpl.getAllLoadedClasses0(Native Method) at sun.instrument.InstrumentationI...
Problem: Scenario 1: The Agent stops collecting or sending metrics to the Controller intermittently, but the Agent is shown as "running." All, or nearly all collectors are temporarily disabled via the UI. Agent logs include error messages sim...
When the Java or Database Agent stops communicating, or cannot communicate, with the Controller, and an error message appears in the agent logs, how do I disable the SSL certification validation between the agent and Controller? In this article... S...
Users running low on Events Service disk space may see an impact on production monitoring. These users may wish to delete historical data to recover disk space, when adding more space is not an option. Beginning with version 4.3, the Controller...
My application is start-up is taking longer after I added an AppDynamics Agent. Why does this happen and how do I resolve it? Delays in application start-up time after adding an Agent can be due to the Agent requesting configuration details from t...
Users can configure the display names for pages and iframes in the Controller UI. If the default naming configuration is enabled, AppDynamics will name a page using the first two segments of the page URL. It is possible to modify the default confi...
As of version 4.3, the admin information URL for on-premise EUM Servers (http://eum-host:port/eumaggregator/info) is disabled by default for security reasons. Users who wish to access this information can start the EUM Server with dev mode by addi...
Users with applications using a java.util.concurrent.Future package while making asynchronous calls can track their async call activity as follows: Open the Application Agent config file located at <agent-install-dir>\ver4.x.x.x\conf\app-agent-con...
Rulebooks are core to Universal Agent functionality. If rulebooks are not formatted properly, Universal Agent behavior is impacted when deploying Java or Machine agents. Use a JSON validator, such as JSON Lint, to ensure the rulebooks are formatte...
Problem: All Java Agents under the application have been registered successfully, but are reporting status as down. From the Agent logs: log file Solution: First, check if the Agents have been disabled? In the Controller UI, click on the A...
Users who want to increase or decrease the default metric registration limits for Machine or Application Agents can configure the maxMetrics property. Note: Changing these limits can affect the resource consumption of your deployment. Before you c...
Issue While running the docker-compose up command, the Docker container for the Machine Agent is not running. The following permission error is shown. Could not start up the machine agent due to: Failed to get a response from /info using a GET req...
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