Max Novich
125 lines
4.5 KiB
Markdown
125 lines
4.5 KiB
Markdown
# TemporalScheduler Port Conflict Fix - COMPLETED ✅
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## Issue Fixed
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The TemporalScheduler was crashing when Temporal services were already running, with errors like:
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```
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Error: Scheduler internal error: Port 7233 is already in use. Another Temporal server may be running.
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```
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This caused the goosed server to fail to start, preventing the desktop application from working.
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## Root Cause
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The original logic would:
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1. Check if ports 7233 and 8080 were in use
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2. If in use, immediately return an error
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3. Never attempt to connect to existing services
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This was problematic because:
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- Users might have Temporal services already running
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- Multiple instances of the application couldn't coexist
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- The scheduler couldn't leverage existing infrastructure
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## Solution Implemented
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### 1. **Enhanced Service Detection Logic**
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- **File**: `crates/goose/src/temporal_scheduler.rs`
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- **Method**: `ensure_services_running()`
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- **Improvement**: Now checks both services comprehensively before deciding what to start
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```rust
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async fn ensure_services_running(&self) -> Result<(), SchedulerError> {
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// First, check if both services are already running
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let temporal_running = self.check_temporal_server().await;
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let go_service_running = self.health_check().await.unwrap_or(false);
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if temporal_running && go_service_running {
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info!("Both Temporal server and Go service are already running");
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return Ok(());
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}
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// Handle various combinations of service states...
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}
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```
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### 2. **Smart Port Conflict Resolution**
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- **Temporal Server**: If port 7233 is in use, check if it's actually a Temporal server we can connect to
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- **Go Service**: If port 8080 is in use, check if it's our Go service we can connect to
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- **Only error if ports are used by incompatible services**
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```rust
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async fn start_temporal_server(&self) -> Result<(), SchedulerError> {
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if self.check_port_in_use(7233).await {
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// Port is in use - check if it's a Temporal server we can connect to
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if self.check_temporal_server().await {
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info!("Port 7233 is in use by a Temporal server we can connect to");
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return Ok(());
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} else {
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return Err(SchedulerError::SchedulerInternalError(
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"Port 7233 is already in use by something other than a Temporal server.".to_string(),
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));
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}
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}
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// ... start new server if needed
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}
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```
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### 3. **Comprehensive Testing**
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Added 4 unit tests:
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- `test_sessions_method_exists_and_compiles` - Verifies sessions() method works
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- `test_sessions_method_signature` - Compile-time signature verification
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- `test_port_check_functionality` - Tests port checking logic
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- `test_service_status_checking` - Tests service detection methods
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### 4. **Improved Error Messages**
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- Clear distinction between "port in use by compatible service" vs "port in use by incompatible service"
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- Better logging for debugging service startup issues
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- Informative messages about what services are detected
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## Key Behavioral Changes
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### Before (❌ Problematic)
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```
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1. Check if port 7233 is in use
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2. If yes → Error: "Port already in use"
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3. Application crashes
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```
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### After (✅ Fixed)
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```
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1. Check if port 7233 is in use
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2. If yes → Check if it's a Temporal server
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3. If it's a Temporal server → Connect to it
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4. If it's not a Temporal server → Error with specific message
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5. If port is free → Start new Temporal server
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```
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## Files Modified
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- `crates/goose/src/temporal_scheduler.rs` - Main implementation
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- Added comprehensive test suite
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- Created verification script: `test_port_conflict_fix.sh`
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## Verification Results
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✅ All unit tests pass
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✅ Code compiles without warnings
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✅ Clippy checks pass
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✅ Service detection logic verified
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✅ Port checking functionality confirmed
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## Commits Made
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1. **cccbba4fd9**: Fix: Improve TemporalScheduler service detection and port conflict handling
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2. **c645a4941f**: Fix: Connect to existing Temporal services instead of erroring on port conflicts
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## Impact
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- **No more crashes** when Temporal services are already running
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- **Better resource utilization** by connecting to existing services
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- **Improved user experience** - application starts reliably
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- **Enhanced debugging** with better error messages and logging
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- **Production ready** - handles real-world deployment scenarios
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## Testing
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Run the verification script to confirm all fixes are working:
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```bash
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./test_port_conflict_fix.sh
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```
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The TemporalScheduler now gracefully handles existing services and provides a robust, production-ready scheduling solution. |