aura:systemError
Indicates that an error has occurred.
This event is fired when an error is encountered during the execution of a server-side action. Handle this event using the aura:handler tag.
1<aura:handler event="aura:systemError" action="{!c.handleError}" />This example shows a button that triggers an error and a handler for the aura:systemError event.
1<aura:component controller="myController">
2 <aura:handler event="aura:systemError" action="{!c.showSystemError}" />
3 <aura:attribute name="response" type="Aura.Action" />
4 <!-- Other component markup here -->
5 <lightning:button aura:id="trigger" label="Trigger error" onclick="{!c.trigger}" />
6</aura:component>This client-side controller triggers the firing of an error and handles that error.
1({
2 trigger: function (cmp, event) {
3 // Call an Apex controller that throws an error
4 var action = cmp.get("c.throwError");
5 action.setCallback(cmp, function (response) {
6 cmp.set("v.response", response);
7 });
8 $A.enqueueAction(action);
9 },
10 showSystemError: function (cmp, event) {
11 // Handle system error
12 },
13});| Name | Description | Type | Default | Required |
|---|---|---|---|---|
error | The system error that’s returned. | string | ||
message | The message to be displayed during an error. | string |
