glean/error

Types

FinishReason

pub type FinishReason {
  Stop
  Length
  ContentFilter
  ToolCalls
  FinishError
  Other(String)
}

Constructors

```
Stop
```
```
Length
```
```
ContentFilter
```
```
ToolCalls
```
```
FinishError
```
```
Other(String)
```

GleanError

</>

pub type GleanError {
  ProviderError(
    provider: String,
    model: String,
    status: Int,
    message: String,
  )
  ToolNotFound(tool_name: String)
  ToolExecutionError(
    tool_name: String,
    tool_call_id: String,
    reason: String,
  )
  ToolInputValidationError(
    tool_name: String,
    tool_call_id: String,
    errors: List(ValidationError),
  )
  OutputValidationError(errors: List(ValidationError))
  MaxStepsExceeded(
    max_steps: Int,
    steps_taken: Int,
    messages: List(message.Message),
  )
  JsonParseError(input: String, message: String)
  Timeout(after_ms: Int)
  ConfigError(message: String)
}

Constructors

ProviderError(
  provider: String,
  model: String,
  status: Int,
  message: String,
)

Provider returned a non-200 status or network failure

```
ToolNotFound(tool_name: String)
```
Tool call referenced a tool name not in the toolset

ToolExecutionError(
  tool_name: String,
  tool_call_id: String,
  reason: String,
)

Tool execution returned an error

ToolInputValidationError(
  tool_name: String,
  tool_call_id: String,
  errors: List(ValidationError),
)

Tool input failed schema validation

OutputValidationError(errors: List(ValidationError))

Output validation failed

```
MaxStepsExceeded(
  max_steps: Int,
  steps_taken: Int,
  messages: List(message.Message),
)
```
Max steps exceeded in the agent loop The conversation so far, including every tool call and result, so it can be inspected or resumed with run.generate_messages.

JsonParseError(input: String, message: String)

JSON parsing failed

```
Timeout(after_ms: Int)
```
Request timed out
```
ConfigError(message: String)
```
Configuration error at agent build time

ValidationError

</>

pub type ValidationError {
  ValidationError(path: List(String), message: String)
}

Constructors

ValidationError(path: List(String), message: String)

Values

to_string

</>

pub fn to_string(error: GleanError) -> String

Convert a GleanError to a human-readable string.