akiyamaneko opened a new pull request #30119:
URL: https://github.com/apache/spark/pull/30119
### What changes were proposed in this pull request?
The page returned by /jobs in Spark UI will store the detail information of
each job in javascript like this:
```javascript
{
'className': 'executor added',
'group': 'executors',
'start': new Date(1602834008978),
'content': '<div class="executor-event-content"' +
'data-toggle="tooltip" data-placement="top"' +
'data-title="Executor 3<br>' +
'Added at 2020/10/16 15:40:08"' +
'data-html="true">Executor 3 added</div>'
}
```
if an application has a failed job, the failure reason corresponding to the
job will be stored in the ` content` field in the javascript . if the failure
reason contains the character: **'**, the javascript code will throw an
exception to cause the `event timeline url` had no response ， The following is
an example of error json:
```javascript
{
'className': 'executor removed',
'group': 'executors',
'start': new Date(1602925908654),
'content': '<div class="executor-event-content"' +
'data-toggle="tooltip" data-placement="top"' +
'data-title="Executor 2<br>' +
'Removed at 2020/10/17 17:11:48' +
'<br>Reason: Container from a bad node: ... 20/10/17 16:00:42 WARN
ShutdownHookManager: ShutdownHook **'$anon$2'** timeout..."' +
'data-html="true">Executor 2 removed</div>'
}
```
So we need to considier this special case , if the returned job info
contains the character:**'**, just remove it
### Why are the changes needed?
Ensure that the UI page can function normally
### Does this PR introduce _any_ user-facing change?
No
### How was this patch tested?
This pr only fixes an exception in a special case, manual test result as
blows:
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