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Scylla JMX proxy
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Amnon Heiman 4e4589ba6f FailureDetector: check that states is not null before use 
When a node is part of a cluster but is down (like in the situation where
a cluster is taken down and up again but not all nodes are up). There is
no application_state information for that node.

This patch check that the information exists before using it to prevent
null pointer exception.

After this patch, a call to nodetool gossipinfo would return the
available information without failing.

See scylladb/scylla#3330

Signed-off-by: Amnon Heiman <amnon@scylladb.com>
Message-Id: <20180329115345.29357-1-amnon@scylladb.com>
2018-03-29 15:18:48 +03:00
dist Revert "dist: Rename package to scylla-enterprise-jmx" 2018-03-27 22:17:43 +03:00
scripts scylla-jmx: Uses bash explicitly as the interpreter 2018-01-29 15:23:21 +02:00
src/main/java FailureDetector: check that states is not null before use 2018-03-29 15:18:48 +03:00
git-archive-all-license.txt dist: make ubuntu package as 'debian non-native package' 2015-11-25 19:43:38 +09:00
LICENSE.AGPL Change license to AGPLv3 2015-09-22 13:33:24 +03:00
NOTICE Add a NOTICE file for the yammer library 2015-06-11 14:32:45 +03:00
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README.md README update 2017-03-03 12:35:00 +02:00
SCYLLA-VERSION-GEN Fix SCYLLA-VERSION-GEN permissions 2016-11-09 11:07:29 +02:00

README.md

Scylla JMX Server

Scylla JMX server implements the Apache Cassandra JMX interface for compatibility with tooling such as nodetool. The JMX server uses Scylla's REST API to communicate with a Scylla server.

Compiling

To compile JMX server, run:

$ mvn package

Running

To start the JMX server, run:

$ ./scripts/scylla-jmx

To get help on supported options:

$ ./scripts/scylla-jmx --help