com.atlassian.jira.startup

Class ClusterNodeVersionCheckLauncher

java.lang.Object

com.atlassian.jira.startup.ClusterNodeVersionCheckLauncher

public class ClusterNodeVersionCheckLauncher
extends Object

Verifies versions in cluster depending on cluster state. When cluster is STABLE check that a node with a new version relative to the rest of the cluster does not start up and run upgrade tasks that would mess up the other nodes. To allow for nodes that have been killed and their active status not having timed out yet, before complete refusal to start up the launcher will wait for up to 5 minutes to allow any active nodes' heartbeats to time out first. When cluster is in MIXMODE checks if version that node which wants to join the cluster is in version: - base version of cluster (version before upgrade) - new version (needs to be newer than version of cluster) Only two versions are allowed im MIXMODE.

Since:

v7.4

Field Summary

Fields

Modifier and Type	Field and Description
static String	CHECK_ALLOWANCE_PROPERTY

Constructor Summary

Constructors

Constructor and Description
ClusterNodeVersionCheckLauncher()

Method Summary

Modifier and Type	Method and Description
void	start()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

CHECK_ALLOWANCE_PROPERTY

public static final String CHECK_ALLOWANCE_PROPERTY

See Also:

Constant Field Values

Constructor Detail

ClusterNodeVersionCheckLauncher

public ClusterNodeVersionCheckLauncher()

Method Detail

start

public void start()