Github user yanghua commented on a diff in the pull request:
https://github.com/apache/flink/pull/6245#discussion_r200056172
--- Diff: flink-scala-shell/start-script/start-scala-shell.sh ---
@@ -19,6 +19,9 @@
# from scala-lang 2.10.4
+# Uncomment the following line to enable remote debug
+# export FLINK_SCALA_SHELL_JAVA_OPTS="-agentlib:jdwp=transport=dt_socket,server=y,suspend=y,address=5005"
--- End diff --
I know there is not a env variable named "FLINK_SCALA_SHELL_JAVA_OPTS" before you create.
I said, it is commented, but you always used in "java" command later.
About the bool flag, I mean we could add a flag named "remoteDebugMode" to control the
"export" operation.
for example :
```
if $remoteDebugMode then
export FLINK_SCALA_SHELL_JAVA_OPTS="-agentlib:jdwp=transport=dt_socket,server=y,suspend=y,address=5005"
fi
```
It's better than "comment" & "uncomment". Why do you think it hides the details of
remote debug info?
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