我们一直在使用HA中的neo4j 2.2，出于某种原因，当我们的第一台服务器发生故障并且服务器2成为主服务器时，我们开始收到以下错误：MasterClient214无法连接到IP_ADDRESS：6001其中IP_ADDRESS是服务器1的IP地址即使重启服务器1后，错误仍然存在。一切恢复正常的唯一方法是手动使服务器2失效，以便服务器1再次成为主服务器。
我能够从server2 ping服务器1，反之亦然。我还确保没有任何防火墙问题。关于如何解决问题或在哪里寻找的任何建议都会很棒。
编辑1
服务器1
neo4j.properties
# Default values for the low-level graph engine
#neostore.nodestore.db.mapped_memory=25M
#neostore.relationshipstore.db.mapped_memory=50M
#neostore.propertystore.db.mapped_memory=90M
#neostore.propertystore.db.strings.mapped_memory=130M
#neostore.propertystore.db.arrays.mapped_memory=130M
neostore.nodestore.db.mapped_memory=1024M
neostore.relationshipstore.db.mapped_memory=2048M
neostore.propertystore.db.mapped_memory=6144M
neostore.propertystore.db.strings.mapped_memory=512M
neostore.propertystore.db.arrays.mapped_memory=512M
neostore.relationshipgroupstore.db.mapped_memory=10M
# Autoindexing
# Enable auto-indexing for nodes, default is false
node_auto_indexing=true
# The node property keys to be auto-indexed, if enabled
node_keys_indexable=uid,email,status,approved
# Enable auto-indexing for relationships, default is false
#relationship_auto_indexing=true
# The relationship property keys to be auto-indexed, if enabled
#relationship_keys_indexable=name,age
# Keep logical logs, helps debugging but uses more disk space, enabled for
# legacy reasons To limit space needed to store historical logs use values such
# as: "7 days" or "100M size" instead of "true"
keep_logical_logs=7 days
# Enable online backups to be taken from this database.
online_backup_enabled=true
# Port to listen to for incoming backup requests.
online_backup_server=0.0.0.0:6362
# Uncomment and specify these lines for running Neo4j in High Availability mode.
# See the High availability setup tutorial for more details on these settings
# http://neo4j.com/docs/2.1.4/ha-setup-tutorial/
# ha.server_id is the number of each instance in the HA cluster. It should be
# an integer (e.g. 1), and should be unique for each cluster instance.
ha.server_id=1
# ha.initial_hosts is a comma-separated list (without spaces) of the host:port
# where the ha.cluster_server of all instances will be listening. Typically
# this will be the same for all cluster instances.
ha.initial_hosts=PUBLIC_IP_S1:5001,PUBLIC_IP_S2:5001,PUBLIC_IP_S3:5001
# IP and port for this instance to listen on, for communicating cluster status
# information iwth other instances (also see ha.initial_hosts). The IP
# must be the configured IP address for one of the local interfaces.
#ha.cluster_server=192.168.0.1:5001
# IP and port for this instance to listen on, for communicating transaction
# data with other instances (also see ha.initial_hosts). The IP
# must be the configured IP address for one of the local interfaces.
#ha.server=192.168.0.1:6001
# The interval at which slaves will pull updates from the master. Comment out
# the option to disable periodic pulling of updates. Unit is seconds.
ha.pull_interval=1
# Amount of slaves the master will try to push a transaction to upon commit
# (default is 1). The master will optimistically continue and not fail the
# transaction even if it fails to reach the push factor. Setting this to 0 will
# increase write performance when writing through master but could potentially
# lead to branched data (or loss of transaction) if the master goes down.
ha.tx_push_factor=1
# Strategy the master will use when pushing data to slaves (if the push factor
# is greater than 0). There are two options available "fixed" (default) or
# "round_robin". Fixed will start by pushing to slaves ordered by server id
# (highest first) improving performance since the slaves only have to cache up
# one transaction at a time.
#ha.tx_push_strategy=fixed
# Enable this to be able to upgrade a store from an older version.
#allow_store_upgrade=true
# Enable this to specify a parser other than the default one.
#cypher_parser_version=2.0
# Enable shell server so that remote clients can connect via Neo4j shell.
#remote_shell_enabled=true
# The network interface IP the shell will listen on (use 0.0.0 for all interfaces)
#remote_shell_host=127.0.0.1
# The port the shell will listen on, default is 1337
#remote_shell_port=1337
neo4j-server.properties
################################################################
# Neo4j configuration
#
################################################################
# Disable authorization
dbms.security.auth_enabled=true
#***************************************************************
# Server configuration
#***************************************************************
# location of the database directory
org.neo4j.server.database.location=data/graph.db
# Let the webserver only listen on the specified IP. Default is localhost (only
# accept local connections). Uncomment to allow any connection. Please see the
# security section in the neo4j manual before modifying this.
org.neo4j.server.webserver.address=0.0.0.0
#
# HTTP Connector
#
# http port (for all data, administrative, and UI access)
org.neo4j.server.webserver.port=7474
#
# HTTPS Connector
#
# Turn https-support on/off
org.neo4j.server.webserver.https.enabled=true
# https port (for all data, administrative, and UI access)
org.neo4j.server.webserver.https.port=7473
# Certificate location (auto generated if the file does not exist)
org.neo4j.server.webserver.https.cert.location=conf/ssl/snakeoil.cert
# Private key location (auto generated if the file does not exist)
org.neo4j.server.webserver.https.key.location=conf/ssl/snakeoil.key
# Internally generated keystore (don't try to put your own
# keystore there, it will get deleted when the server starts)
org.neo4j.server.webserver.https.keystore.location=data/keystore
#*****************************************************************
# Administration client configuration
#*****************************************************************
# location of the servers round-robin database directory. possible values:
# - absolute path like /var/rrd
# - path relative to the server working directory like data/rrd
# - commented out, will default to the database data directory.
org.neo4j.server.webadmin.rrdb.location=data/rrd
# REST endpoint for the data API
# Note the / in the end is mandatory
org.neo4j.server.webadmin.data.uri=/db/data/
# REST endpoint of the administration API (used by Webadmin)
org.neo4j.server.webadmin.management.uri=/db/manage/
# Low-level graph engine tuning file
org.neo4j.server.db.tuning.properties=conf/neo4j.properties
# The console services to be enabled
org.neo4j.server.manage.console_engines=shell
# Allowed values:
# HA - High Availability
# SINGLE - Single mode, default.
# To run in High Availability mode, configure the
# neo4j.properties config file, then uncomment this line:
org.neo4j.server.database.mode=HA
# Comma separated list of JAX-RS packages containing JAX-RS resources, one
# package name for each mountpoint. The listed package names will be loaded
# under the mountpoints specified. Uncomment this line to mount the
# org.neo4j.examples.server.unmanaged.HelloWorldResource.java from
# neo4j-server-examples under /examples/unmanaged, resulting in a final URL of
# http://localhost:7474/examples/unmanaged/helloworld/{nodeId}
#org.neo4j.server.thirdparty_jaxrs_classes=org.neo4j.examples.server.unmanaged=/examples/unmanaged
#*****************************************************************
# HTTP logging configuration
#*****************************************************************
# HTTP logging is disabled. HTTP logging can be enabled by setting this
# property to 'true'.
org.neo4j.server.http.log.enabled=true
# Logging policy file that governs how HTTP log output is presented and
# archived. Note: changing the rollover and retention policy is sensible, but
# changing the output format is less so, since it is configured to use the
# ubiquitous common log format
org.neo4j.server.http.log.config=conf/neo4j-http-logging.xml
# Max Threads
org.neo4j.server.webserver.maxthreads=200
服务器2
neo4j.properties
# Default values for the low-level graph engine
#neostore.nodestore.db.mapped_memory=25M
#neostore.relationshipstore.db.mapped_memory=50M
#neostore.propertystore.db.mapped_memory=90M
#neostore.propertystore.db.strings.mapped_memory=130M
#neostore.propertystore.db.arrays.mapped_memory=130M
neostore.nodestore.db.mapped_memory=1024M
neostore.relationshipstore.db.mapped_memory=2048M
neostore.propertystore.db.mapped_memory=6144M
neostore.propertystore.db.strings.mapped_memory=512M
neostore.propertystore.db.arrays.mapped_memory=512M
neostore.relationshipgroupstore.db.mapped_memory=10M
# Autoindexing
# Enable auto-indexing for nodes, default is false
node_auto_indexing=true
# The node property keys to be auto-indexed, if enabled
node_keys_indexable=uid,email,status,approved
# Enable auto-indexing for relationships, default is false
#relationship_auto_indexing=true
# The relationship property keys to be auto-indexed, if enabled
#relationship_keys_indexable=name,age
# Keep logical logs, helps debugging but uses more disk space, enabled for
# legacy reasons To limit space needed to store historical logs use values such
# as: "7 days" or "100M size" instead of "true"
keep_logical_logs=7 days
# Enable online backups to be taken from this database.
online_backup_enabled=true
# Port to listen to for incoming backup requests.
online_backup_server=0.0.0.0:6362
# Uncomment and specify these lines for running Neo4j in High Availability mode.
# See the High availability setup tutorial for more details on these settings
# http://neo4j.com/docs/2.1.4/ha-setup-tutorial/
# ha.server_id is the number of each instance in the HA cluster. It should be
# an integer (e.g. 1), and should be unique for each cluster instance.
ha.server_id=2
# ha.initial_hosts is a comma-separated list (without spaces) of the host:port
# where the ha.cluster_server of all instances will be listening. Typically
# this will be the same for all cluster instances.
ha.initial_hosts=PUBLIC_IP_S1:5001,PUBLIC_IP_S2:5001,PUBLIC_IP_S3:5001
# IP and port for this instance to listen on, for communicating cluster status
# information iwth other instances (also see ha.initial_hosts). The IP
# must be the configured IP address for one of the local interfaces.
#ha.cluster_server=192.168.0.1:5001
# IP and port for this instance to listen on, for communicating transaction
# data with other instances (also see ha.initial_hosts). The IP
# must be the configured IP address for one of the local interfaces.
#ha.server=192.168.0.1:6001
# The interval at which slaves will pull updates from the master. Comment out
# the option to disable periodic pulling of updates. Unit is seconds.
ha.pull_interval=1
# Amount of slaves the master will try to push a transaction to upon commit
# (default is 1). The master will optimistically continue and not fail the
# transaction even if it fails to reach the push factor. Setting this to 0 will
# increase write performance when writing through master but could potentially
# lead to branched data (or loss of transaction) if the master goes down.
ha.tx_push_factor=1
# Strategy the master will use when pushing data to slaves (if the push factor
# is greater than 0). There are two options available "fixed" (default) or
# "round_robin". Fixed will start by pushing to slaves ordered by server id
# (highest first) improving performance since the slaves only have to cache up
# one transaction at a time.
#ha.tx_push_strategy=fixed
# Enable this to be able to upgrade a store from an older version.
#allow_store_upgrade=true
# Enable this to specify a parser other than the default one.
#cypher_parser_version=2.0
# Enable shell server so that remote clients can connect via Neo4j shell.
#remote_shell_enabled=true
# The network interface IP the shell will listen on (use 0.0.0 for all interfaces)
#remote_shell_host=127.0.0.1
# The port the shell will listen on, default is 1337
#remote_shell_port=1337
neo4j-server.properties
################################################################
# Neo4j configuration
#
################################################################
# Disable authorization
dbms.security.auth_enabled=true
#***************************************************************
# Server configuration
#***************************************************************
# location of the database directory
org.neo4j.server.database.location=data/graph.db
# Let the webserver only listen on the specified IP. Default is localhost (only
# accept local connections). Uncomment to allow any connection. Please see the
# security section in the neo4j manual before modifying this.
org.neo4j.server.webserver.address=0.0.0.0
#
# HTTP Connector
#
# http port (for all data, administrative, and UI access)
org.neo4j.server.webserver.port=7474
#
# HTTPS Connector
#
# Turn https-support on/off
org.neo4j.server.webserver.https.enabled=true
# https port (for all data, administrative, and UI access)
org.neo4j.server.webserver.https.port=7473
# Certificate location (auto generated if the file does not exist)
org.neo4j.server.webserver.https.cert.location=conf/ssl/snakeoil.cert
# Private key location (auto generated if the file does not exist)
org.neo4j.server.webserver.https.key.location=conf/ssl/snakeoil.key
# Internally generated keystore (don't try to put your own
# keystore there, it will get deleted when the server starts)
org.neo4j.server.webserver.https.keystore.location=data/keystore
#*****************************************************************
# Administration client configuration
#*****************************************************************
# location of the servers round-robin database directory. possible values:
# - absolute path like /var/rrd
# - path relative to the server working directory like data/rrd
# - commented out, will default to the database data directory.
org.neo4j.server.webadmin.rrdb.location=data/rrd
# REST endpoint for the data API
# Note the / in the end is mandatory
org.neo4j.server.webadmin.data.uri=/db/data/
# REST endpoint of the administration API (used by Webadmin)
org.neo4j.server.webadmin.management.uri=/db/manage/
# Low-level graph engine tuning file
org.neo4j.server.db.tuning.properties=conf/neo4j.properties
# The console services to be enabled
org.neo4j.server.manage.console_engines=shell
# Allowed values:
# HA - High Availability
# SINGLE - Single mode, default.
# To run in High Availability mode, configure the
# neo4j.properties config file, then uncomment this line:
org.neo4j.server.database.mode=HA
# Comma separated list of JAX-RS packages containing JAX-RS resources, one
# package name for each mountpoint. The listed package names will be loaded
# under the mountpoints specified. Uncomment this line to mount the
# org.neo4j.examples.server.unmanaged.HelloWorldResource.java from
# neo4j-server-examples under /examples/unmanaged, resulting in a final URL of
# http://localhost:7474/examples/unmanaged/helloworld/{nodeId}
#org.neo4j.server.thirdparty_jaxrs_classes=org.neo4j.examples.server.unmanaged=/examples/unmanaged
#*****************************************************************
# HTTP logging configuration
#*****************************************************************
# HTTP logging is disabled. HTTP logging can be enabled by setting this
# property to 'true'.
org.neo4j.server.http.log.enabled=true
# Logging policy file that governs how HTTP log output is presented and
# archived. Note: changing the rollover and retention policy is sensible, but
# changing the output format is less so, since it is configured to use the
# ubiquitous common log format
org.neo4j.server.http.log.config=conf/neo4j-http-logging.xml
# Max Threads
org.neo4j.server.webserver.maxthreads=200