Sandeep Kumar created AMBARI-26648:
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Summary: Service Configs Bug: all properties render read-only, and
JVM/command-line values incorrectly split into multi-line display
Key: AMBARI-26648
URL: https://issues.apache.org/jira/browse/AMBARI-26648
Project: Ambari
Issue Type: Story
Reporter: Sandeep Kumar
Assignee: Sandeep Kumar
*All config properties render as read-only regardless of permissions*
Steps to reproduce:
1. Log in as a user with SERVICE.MODIFY_CONFIGS authorization (e.g. admin).
2. Navigate to any service's Configs tab (e.g. ZooKeeper → Configs).
3. Observe every property's input field is disabled/read-only, even though the
user has permission to edit.
Expected: Properties should be editable when the user has
SERVICE.MODIFY_CONFIGS and no other restriction (read-only stack attribute,
editable-only-at-install, non-default version selected) applies.
Actual: Every property is read-only unconditionally.
*JVM/command-line config values wrongly rendered as multi-line*
Steps to reproduce:
1. Open a service's Configs tab where a property value looks like command-line
arguments, e.g. mapreduce.admin.map.child.java.opts = -server -XX:NewRatio=8
-Djava.net.preferIPv4Stack=true -Dhdp.version=${hdp.version}.
2. Observe the value is displayed as a multi-line textarea, split roughly one
argument per line, even though the stored value is a single line and the
backend did not declare a multi-line display type for it.
Expected: A property should only be rendered as multi-line when the backend
explicitly says so (displayType === "multiLine"), or, absent that, when the
value itself genuinely contains a newline (real or escaped) — matching the
reference Ember UI's behavior.
Actual: Any value that tokenized into more than one whitespace-separated
argument, where every token looked like a JVM flag (-X, -D, -XX:, -server,
-client, --add-opens=, --add-exports=), was treated as multi-line purely by
guessing from content shape — not because the value or its metadata called for
it.
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