cassandra-commits mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Daniel Smedegaard Buus (JIRA)" <>
Subject [jira] [Commented] (CASSANDRA-6404) Tools emit ERRORs and WARNINGs about missing javaagent
Date Sun, 09 Feb 2014 14:23:19 GMT


Daniel Smedegaard Buus commented on CASSANDRA-6404:

I know this reads, "Fixed", but I'm using 2.0.4 on Ubuntu 14.04, and I see this when running
"nodetool ring".

Should I be concerned about that, or?

Thanks :)

> Tools emit ERRORs and WARNINGs about missing javaagent 
> -------------------------------------------------------
>                 Key: CASSANDRA-6404
>                 URL:
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Tools
>            Reporter: Sam Tunnicliffe
>            Assignee: Sam Tunnicliffe
>            Priority: Minor
>             Fix For: 1.2.14, 2.0.4
>         Attachments: 0001-Set-javaagent-when-running-tools-in-bin.patch
> The combination of CASSANDRA-6107 & CASSANDRA-6293 has lead to a number of the tools
shipped in bin/ to display the following warnings when run:
> {code}
> ERROR 15:21:47,337 Unable to initialize MemoryMeter (jamm not specified as javaagent).
 This means Cassandra will be unable to measure object sizes accurately and may consequently
>  WARN 15:21:47,506 MemoryMeter uninitialized (jamm not specified as java agent); KeyCache
size in JVM Heap will not be calculated accurately. Usually this means disabled
jamm because you are u
> {code}
> Although harmless, these are a bit disconcerting. The simplest fix seems to be to set
the javaagent switch as we do for the main C* launch.

This message was sent by Atlassian JIRA

View raw message