Insert data into a field where data contains some text between dollar and flower brackets

I need help with an issue that I am facing while inserting data into one of elastic index.
Im trying to insert data from a log file into elastic and that file contains some text within dollar and flower brackets.
Example : 2-Jul-2023 08:32:57.617 INFO [http-nio-8080-exec-328] org.apache.tomcat.util.http.parser.Cookie.logInvalidHeader A cookie header was received [${jndi:dns://MDEDiscoveryc17a4d2e0fCookie-8080}] that contained an invalid cookie. That cookie will be ignored.
Because of which data insertion keeps failing.
Please help with a solution for same.


What exactly is failing? And where?

Elasticsearch can support whatever string content so my guess is that the ingest layer creates this issue but we can't tell more without knowing all details.

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