Thomas Smith created MYFACES-4671:
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Summary: PushImpl.ts Socket#onerror attempting to use undefined
variable
Key: MYFACES-4671
URL: https://issues.apache.org/jira/browse/MYFACES-4671
Project: MyFaces Core
Issue Type: Bug
Affects Versions: 4.1.0-RC2, 4.0.2
Environment: OS: Windows 11
Java version 17.0.7
Reporter: Thomas Smith
While running some OpenLiberty FAT tests, specifically
io.openliberty.org.apache.myfaces.4.0_fat/WebSocketTests, we discovered a small
bug where JSON.parse(event.data) was running where event.data was undefined.
Here is the line it occurs:
[https://github.com/apache/myfaces/blob/dae36dde5cc42208d034dda23107ad79f68ecc3a/api/src/client/typescript/faces/impl/PushImpl.ts#L156]
Volodymyr created a GitHub issue describing the issue here: [Faces 4.0 Fix
WebSocketTests so that "onerror listener" occurs - Issue #27598 -
OpenLiberty/open-liberty
(github.com)|https://github.com/OpenLiberty/open-liberty/issues/27598]
Proposed Solution: Change
{code:java}
JSON.parse(event.data) {code}
to
{code:java}
JSON.parse(event.data === undefined ? null : event.data){code}
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