pub enum PrepareError {
Show 13 variants
Prevalidation(String),
Preparation(String),
RuntimeConstruction(String),
JobError(String),
TimedOut,
IoErr(String),
CreateTmpFile(String),
RenameTmpFile {
err: String,
src: Option<String>,
dest: Option<String>,
},
OutOfMemory,
ClearWorkerDir(String),
JobDied {
err: String,
job_pid: i32,
},
Kernel(String),
CouldNotDecompressCodeBlob(String),
}
Expand description
An error that occurred during the prepare part of the PVF pipeline.
Variants§
Prevalidation(String)
During the prevalidation stage of preparation an issue was found with the PVF.
Preparation(String)
Compilation failed for the given PVF.
RuntimeConstruction(String)
Instantiation of the WASM module instance failed.
JobError(String)
An unexpected error has occurred in the preparation job.
TimedOut
Failed to prepare the PVF due to the time limit.
IoErr(String)
An IO error occurred. This state is reported by either the validation host or by the worker.
CreateTmpFile(String)
The temporary file for the artifact could not be created at the given cache path. This state is reported by the validation host (not by the worker).
RenameTmpFile
The response from the worker is received, but the file cannot be renamed (moved) to the final destination location. This state is reported by the validation host (not by the worker).
OutOfMemory
Memory limit reached
ClearWorkerDir(String)
The response from the worker is received, but the worker cache could not be cleared. The worker has to be killed to avoid jobs having access to data from other jobs. This state is reported by the validation host (not by the worker).
JobDied
The preparation job process died, due to OOM, a seccomp violation, or some other factor.
Kernel(String)
Some error occurred when interfacing with the kernel.
CouldNotDecompressCodeBlob(String)
Code blob failed to decompress
Implementations§
source§impl PrepareError
impl PrepareError
sourcepub fn is_deterministic(&self) -> bool
pub fn is_deterministic(&self) -> bool
Returns whether this is a deterministic error, i.e. one that should trigger reliably. Those errors depend on the PVF itself and the sc-executor/wasmtime logic.
Non-deterministic errors can happen spuriously. Typically, they occur due to resource starvation, e.g. under heavy load or memory pressure. Those errors are typically transient but may persist e.g. if the node is run by overwhelmingly underpowered machine.
Trait Implementations§
source§impl Clone for PrepareError
impl Clone for PrepareError
source§fn clone(&self) -> PrepareError
fn clone(&self) -> PrepareError
1.0.0 · source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
source
. Read moresource§impl Debug for PrepareError
impl Debug for PrepareError
source§impl Decode for PrepareError
impl Decode for PrepareError
source§fn decode<__CodecInputEdqy>(
__codec_input_edqy: &mut __CodecInputEdqy,
) -> Result<PrepareError, Error>where
__CodecInputEdqy: Input,
fn decode<__CodecInputEdqy>(
__codec_input_edqy: &mut __CodecInputEdqy,
) -> Result<PrepareError, Error>where
__CodecInputEdqy: Input,
§fn decode_into<I>(
input: &mut I,
dst: &mut MaybeUninit<Self>,
) -> Result<DecodeFinished, Error>where
I: Input,
fn decode_into<I>(
input: &mut I,
dst: &mut MaybeUninit<Self>,
) -> Result<DecodeFinished, Error>where
I: Input,
§fn skip<I>(input: &mut I) -> Result<(), Error>where
I: Input,
fn skip<I>(input: &mut I) -> Result<(), Error>where
I: Input,
§fn encoded_fixed_size() -> Option<usize>
fn encoded_fixed_size() -> Option<usize>
source§impl Display for PrepareError
impl Display for PrepareError
source§impl Encode for PrepareError
impl Encode for PrepareError
source§fn size_hint(&self) -> usize
fn size_hint(&self) -> usize
source§fn encode_to<__CodecOutputEdqy>(
&self,
__codec_dest_edqy: &mut __CodecOutputEdqy,
)where
__CodecOutputEdqy: Output + ?Sized,
fn encode_to<__CodecOutputEdqy>(
&self,
__codec_dest_edqy: &mut __CodecOutputEdqy,
)where
__CodecOutputEdqy: Output + ?Sized,
§fn using_encoded<R, F>(&self, f: F) -> R
fn using_encoded<R, F>(&self, f: F) -> R
§fn encoded_size(&self) -> usize
fn encoded_size(&self) -> usize
source§impl Error for PrepareError
impl Error for PrepareError
1.30.0 · source§fn source(&self) -> Option<&(dyn Error + 'static)>
fn source(&self) -> Option<&(dyn Error + 'static)>
1.0.0 · source§fn description(&self) -> &str
fn description(&self) -> &str
source§impl From<PrepareError> for ValidationError
impl From<PrepareError> for ValidationError
source§fn from(error: PrepareError) -> Self
fn from(error: PrepareError) -> Self
impl EncodeLike for PrepareError
Auto Trait Implementations§
impl Freeze for PrepareError
impl RefUnwindSafe for PrepareError
impl Send for PrepareError
impl Sync for PrepareError
impl Unpin for PrepareError
impl UnwindSafe for PrepareError
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impl<T> AnySync for T
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