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Knowledge Base Articles

Controller Install Log

Question How can I debug my controller install?   Answer The Controller installer actually keeps a verbose log of what it is doing on every platform. The filename is of the general format i4j_log_Controller_nnnnnnnnnnnnnnnnnnn.log.   On Linux, you ca...

pclark by AppDynamics Team (Retired)
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Tier and Node Life Cycle

This topic describes the tier and node life cycle within AppDynamics. Phase 1 - Agent Startup Phase 2 - Registration Phase 3 - Metric Registration Phase 4 - Metric Reporting Phase 5 - Metric Rollup   A combination of agent logs and REST logs reveal t...

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pclark by AppDynamics Team (Retired)
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Error Detection Life Cycle

Understanding the AppDynamics error detection life cycle can help you to troubleshoot missing errors and related error metrics. Use agent log files to search for evidence of each phase of error detection and reporting.   Errors and exceptions are cou...

error-detection-life-cycle.png search-results-errors-registered.png
pclark by AppDynamics Team (Retired)
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Async Thread Detection Life Cycle

Understanding the AppDynamics asynchronous (async) thread detection life cycle can help you to troubleshoot missing threads and related async metrics. Use agent log files to search for evidence of each phase of thread detection and reporting.   The p...

pclark by AppDynamics Team (Retired)
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Confirming BT Instrumentation for Web Frameworks

This flowchart describes the steps to confirm BT instrumentation when you are using a web framework. For a complete description of the BT Life Cycle, see: Business Transaction Discovery Life Cycle.     Supported Framework? First check our lists of s...

bt-discovery-web-tkb.png
pclark by AppDynamics Team (Retired)
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What is the Business Transaction discovery life cycle?

To troubleshoot business transaction discovery it is helpful to have an understanding of the AppDynamics entity life cycle. A business transaction is a discrete piece of business application functionality that is tracked from beginning to end, potent...

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pclark by AppDynamics Team (Retired)
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What is the backend discovery life cycle?

Confirming Backend Discovery and Instrumentation This article describes the backend discovery life cycle. Understanding these details can help you debug instrumentation issues of backends that are not automatically discovered. The phases referred to ...

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pclark by AppDynamics Team (Retired)
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AppDynamics Auto-Discovery Life Cycle

AppDynamics automatically discovers various entities that make up your web applications, such as app servers, databases, and remote services. Other activity in your application, such as errors, exceptions, async activity, and business transactions ar...

entity-life-cycle.png entity-life-cycle-plus-metric-rollup.png
pclark by AppDynamics Team (Retired)
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How do I exclude errors and exceptions from detection?

Content revised  8/1/18 You may want to configure Error Detection to ignore known exceptions. For example, you may see a recurring exception thrown from a framework you are using. If the exception is well-known and insignificant, you might want to el...

Screen Shot 2018-06-28 at 1.25.21 PM.png File not found logged error message.png Ignoring Error Example 1.png Configuration to ignore the error message.png
pclark by AppDynamics Team (Retired)
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