Code-assist doesn't work on existing DSL definitions

[sabbyanandan]

As a user, I created the following stream definitions by copy+pasting it in the textual DSL section; however, on ctrl+tab over the DSL portion for an app, I don't see any code-assist results, and a part of the stream definition vanishes.

1. Original:

2. Now, hit ctrl+tab on the 2nd stream after the transform app — nothing happens. No dropdown with options to select:

3. Now, hit ctrl+tab on the 2nd stream after the transform next to the --, then it breaks the stream definitions.

[sabbyanandan]

FWIW, I see this error on the backend when the operation failed:

2020-01-14 08:32:50.456 ERROR 18588 --- [nio-9393-exec-3] o.s.c.d.s.c.RestControllerAdvice         : Caught exception while handling a request

java.lang.IllegalArgumentException: did not tigger after dash-dash
	at org.springframework.util.Assert.isTrue(Assert.java:118)

[BoykoAlex]

There doesn't seem to be any CA supported for minutes and seconds streams... I do see the exception above but no text is inserted by the CA... Looks like with channels CA isn't supported... I couldn't get it to insert garbage text though. @sabbyanandan I'd say we should fix this on the server side as CA for channel case DSL isn't working... you'd probably get the same in the shell...