Troubleshooting "Agent Hang-ups": A Masterclass in the New Apex Error Console 🛠️🩺
By Shruthi MN | April 8, 2026
Reading Time: 8 minutes
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In the past, we had to dig through thousands of lines in the Developer Console, hoping to find a "heap limit" or a "null pointer." But for Agentforce, we have a new secret weapon: The Apex Error Console.
Here is how to use it like an Architect to diagnose and fix AI "Hang-ups" in record time.
The Anatomy of an "Agent Hang-up" 🧠❌
An Agent hang-up usually occurs when the Atlas Reasoning Engine sends a request to an Apex Action that:
Exceeds a timeout (usually due to a slow SOQL query or external API).
Returns a malformed JSON that the AI can't parse.
Hits a "Soft Limit" that doesn't trigger a standard email alert but kills the Agent’s reasoning path.
The Solution: The Apex Error Console 🖥️
The new Error Console isn't just a log viewer; it’s an Intelligence Dashboard. It groups errors by "Agent Impact," showing you exactly which Apex Actions are causing the most friction for your AI.
🏗️ The "Full-Stack" Diagnostic Framework
To achieve a 10/10 troubleshooting flow, follow these three steps:
1. The "Reasoning Path" Filter
In the Apex Error Console, filter by Context: Agentforce. This ignores your standard triggers and batch jobs, focusing only on the code that is actively feeding your AI. Look for the "Reasoning Blocked" status.
2. Exception Handling with "AI Context"
Stop using empty catch blocks. Use the new AI-Aware Logging pattern. This ensures that when an error occurs, the Error Console captures the exact "Prompt State" that caused the failure.
try {
// Your Complex AI Logic
List<Opportunity> results = myCursor.fetch(0, 200);
} catch (Exception e) {
// 10/10 Architect Move: Log with AI Context
ApexErrorConsole.logAgentException(e, 'Action: GetOppContext', 'PromptID: AX-742');
throw new AuraHandledException('Agent encountered a data mapping error. Check Error Console.');
}
3. Heap Profiling in Real-Time
The Error Console now allows you to see a Heap Snapshot at the exact moment of the hang-up. If your Apex Cursors or JSON Stream Parsers are misconfigured, this is where you will see the spike.
Why the Error Console is a Game Changer:
| Feature | Old Developer Console | New Apex Error Console |
| Visibility | Individual Logs | Aggregated AI Impact |
| Context | Code Only | Code + AI Reasoning Path |
| Resolution | Manual Search | Suggested Fixes (LLM-Powered) |
| Alerting | Generic Emails | Real-Time Agent Health Alerts |
Final Thoughts: Performance is Resilience
As a Salesforce professional, your value isn't just in writing code that works—it's in writing code that stays working. Mastering the Apex Error Console ensures that your Agentforce implementations are resilient, transparent, and ready for the enterprise.
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