arthas-watch
Verified for current stable LTS
Arthas Watch Command: Observe First Parameter Return Value
An engineer would use the `arthas-watch` command to monitor and log the return value of the first parameter passed to a specific method in a class, during real-time debugging of an application to ensure the method behaves as expected. Exact CLI syntax to observe first parameter return value using Arthas Watch.
When to use this: An engineer would use the `arthas-watch` command to monitor and log the return value of the first parameter passed to a specific method in a class, during real-time debugging of an application to ensure the method behaves as expected.
Command Syntax
watch <class-pattern> <method-pattern> '{< params[0],returnObj >}' -x 4watch <class-pattern> <method-pattern> "`{< params[0],returnObj >`}" -x 4Command Breakdown
-x- Command Option
- Tool-specific option used by this command invocation.
FAQ
Purpose: Exact syntax to observe first parameter return value using Arthas Watch.
Test path: Replace placeholders and run destructive commands in a disposable workspace first.
Flag behavior: Tool version, platform, and shell can change behavior.
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Related Operations
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