Wildfly 14 + Singleton群集不起作用

Question

在域模式下配置了wildfly14（在域模式下配置了两个服务器）。还为两台服务器配置了s3_ping。创建了一个我已实现单例群集的应用程序。现在，我使用管理控制台“运行时”->“拓扑”选项一起启动这两个服务器。在同时启动两个服务器之后，单例群集开始在两个服务器上执行。

以下是JGroups配置。

<subsystem xmlns="urn:jboss:domain:jgroups:6.0">
            <channels default="ee">
                <channel name="ee" stack="tcp" cluster="app-cluster"/>
            </channels>
            <stacks>
                <stack name="udp">
                    <transport type="UDP" socket-binding="jgroups-udp"/>
                    <protocol type="PING"/>
                    <protocol type="MERGE3"/>
                    <protocol type="FD_SOCK"/>
                    <protocol type="FD_ALL"/>
                    <protocol type="VERIFY_SUSPECT"/>
                    <protocol type="pbcast.NAKACK2"/>
                    <protocol type="UNICAST3"/>
                    <protocol type="pbcast.STABLE"/>
                    <protocol type="pbcast.GMS"/>
                    <protocol type="UFC"/>
                    <protocol type="MFC"/>
                    <protocol type="FRAG3"/>
                </stack>
                <stack name="tcp">
                    <transport type="TCP" socket-binding="jgroups-tcp">
                        <property name="max_bundle_size">
                            32k
                        </property>
                    </transport>
                    <protocol type="org.jgroups.aws.s3.NATIVE_S3_PING" module="org.jgroups.native-s3-ping">
                        <property name="bucket_name">
                            bucket-name
                        </property>
                        <property name="region_name">
                            region-name
                        </property>
                    </protocol>
                    <protocol type="MERGE3">
                         <property name="min_interval">
                            60000
                         </property>
                         <property name="max_interval">
                            90000
                         </property>
                    </protocol>
                    <protocol type="FD_SOCK" socket-binding="jgroups-tcp-fd"/>
                    <protocol type="FD_ALL">
                        <property name="timeout">
                            30000
                        </property>
                        <property name="interval">
                            15000
                        </property>
                        <property name="timeout_check_interval">
                            30000
                        </property>
                    </protocol>
                    <protocol type="VERIFY_SUSPECT">
                        <property name="timeout">
                            15000
                        </property>
                    </protocol>
                    <protocol type="pbcast.NAKACK2">
                        <property name="use_mcast_xmit">
                            false
                        </property>
                        <property name="use_mcast_xmit_req">
                            false
                        </property>
                        <property name="discard_delivered_msgs">
                            true
                        </property>
                        <property name="log_discard_msgs">
                            false
                        </property>
                        <property name="max_rebroadcast_timeout">
                            10000
                        </property>
                        <property name="log_not_found_msgs">
                            false
                        </property>
                    </protocol>
                    <protocol type="UNICAST3">
                        <property name="log_not_found_msgs">
                            false
                        </property>
                    </protocol>
                    <protocol type="pbcast.STABLE">
                        <property name="stability_delay">
                            10000
                        </property>
                        <property name="desired_avg_gossip">
                            50000
                        </property>
                        <property name="max_bytes">
                            4M
                        </property>
                    </protocol>
                    <protocol type="pbcast.GMS">
                        <property name="print_local_addr">
                            true
                        </property>
                        <property name="join_timeout">
                            10000
                        </property>
                        <property name="leave_timeout">
                            10000
                        </property>
                        <property name="view_bundling">
                            true
                        </property>
                        <property name="view_ack_collection_timeout">
                            10000
                        </property>
                        <property name="max_join_attempts">
                            10
                        </property>
                    </protocol>
                    <protocol type="MFC"/>
                    <protocol type="FRAG3">
                        <property name="frag_size">
                            25k
                        </property>
                    </protocol>
                </stack>
            </stacks>
        </subsystem>

有人可以帮我吗？