wasmerio/wasmer · error

Exception is from another Store

Error message

Exception is from another Store

What it means

Error "Exception is from another Store" thrown in wasmerio/wasmer.

Source

Thrown at lib/api/src/backend/sys/entities/exception.rs:70

        Self { exnref }
    }

    pub fn exnref(&self) -> wasmer_vm::VMExceptionRef {
        self.exnref.clone()
    }

    pub fn from_exnref(exnref: wasmer_vm::VMExceptionRef) -> Self {
        Self { exnref }
    }

    pub fn is_from_store(&self, store: &impl AsStoreRef) -> bool {
        self.exnref.0.store_id() == store.as_store_ref().objects().id()
    }

    pub fn tag(&self, store: &impl AsStoreRef) -> crate::sys::tag::Tag {
        if !self.is_from_store(store) {
            panic!("Exception is from another Store");
        }
        let ctx = store.as_store_ref().objects().as_sys();
        let exception = self.exnref.0.get(ctx);
        let tag_handle = exception.tag();
        crate::sys::tag::Tag {
            handle: unsafe { StoreHandle::from_internal(ctx.id(), tag_handle) },
        }
    }

    pub fn payload(&self, store: &mut impl AsStoreMut) -> Vec<Value> {
        if !self.is_from_store(store) {
            panic!("Exception is from another Store");
        }
        let ctx = store.as_store_ref().objects().as_sys();
        let exception = self.exnref.0.get(ctx);
        let params_ty = exception.tag().get(ctx).signature.params().to_vec();
        let payload_ptr = exception.payload();

View on GitHub (pinned to 8c4b9ee9d3)

When it happens

Trigger: Thrown at lib/api/src/backend/sys/entities/exception.rs:70 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of wasmerio/wasmer@8c4b9ee9d3 (2026-09-01). Data as JSON: /api/errors/6381ae34a764cdde. Report an issue: GitHub.