我们有一个以非群集模式在生产中运行的akka应用程序（不是akka群集）。 我们正在尝试将此应用程序停靠，并遇到问题。我们正在使用docker主机网络，并且由于各种其他原因，我们尚未准备好使用其他类型的网络。
应用程序绑定到端口9080上的0.0.0.0接口，并自行执行简单的http运行状况检查。 此运行状况检查失败，因为我们看到连接重置错误。我们只在docker容器内看到这个。
在启动期间，应用程序绑定到0：0：0：0：0：0：0：0：9080。 2018-04-13T08：29：54.921-0700 [INFO] - 绑定到/ 0：0：0：0：0：0：0：0：9080
akka logs：
2018-04-13T08:34:25.311-0700 [DEBUG] akka.io.TcpListener [15:34:25.311UTC] - New connection accepted
2018-04-13T08:34:25.312-0700 [DEBUG] akka.io.SelectionHandler [15:34:25.312UTC] - now supervising Actor[akka://appname/system/IO-TCP/selectors/$d/12#394551476]
2018-04-13T08:34:25.312-0700 [DEBUG] akka.io.TcpIncomingConnection [15:34:25.312UTC] - started (akka.io.TcpIncomingConnection@1dafecc7)
2018-04-13T08:34:25.312-0700 [DEBUG] akka.io.TcpIncomingConnection [15:34:25.312UTC] - now watched by Actor[akka://appname/system/IO-TCP/selectors/$d#992175932]
2018-04-13T08:34:25.312-0700 [DEBUG] akka.io.TcpIncomingConnection [15:34:25.312UTC] - now watched by Actor[akka://appname/user/IO-HTTP/listener-0/88#-1187840999]
2018-04-13T08:34:25.313-0700 [DEBUG] akka.io.SelectionHandler [15:34:25.313UTC] - now supervising Actor[akka://appname/system/IO-TCP/selectors/$h/11#789402148]
2018-04-13T08:34:25.313-0700 [DEBUG] akka.io.TcpOutgoingConnection [15:34:25.313UTC] - started (akka.io.TcpOutgoingConnection@62c77639)
2018-04-13T08:34:25.313-0700 [DEBUG] akka.io.TcpOutgoingConnection [15:34:25.313UTC] - now watched by Actor[akka://appname/system/IO-TCP/selectors/$h#227381172]
2018-04-13T08:34:25.313-0700 [DEBUG] akka.io.TcpOutgoingConnection [15:34:25.313UTC] - Attempting connection to [/0.0.0.0:9080]
2018-04-13T08:34:25.313-0700 [DEBUG] akka.io.TcpListener [15:34:25.313UTC] - New connection accepted
2018-04-13T08:34:25.313-0700 [DEBUG] akka.io.TcpOutgoingConnection [15:34:25.313UTC] - Connection established to [/0.0.0.0:9080]
2018-04-13T08:34:25.314-0700 [DEBUG] akka.io.TcpOutgoingConnection [15:34:25.314UTC] - now watched by Actor[akka://appname/user/IO-HTTP/group-0/52#1518564728]
2018-04-13T08:34:25.314-0700 [DEBUG] akka.io.SelectionHandler [15:34:25.314UTC] - now supervising Actor[akka://appname/system/IO-TCP/selectors/$h/12#1641348988]
2018-04-13T08:34:25.314-0700 [DEBUG] akka.io.TcpIncomingConnection [15:34:25.314UTC] - started (akka.io.TcpIncomingConnection@65bac45)
2018-04-13T08:34:25.314-0700 [DEBUG] akka.io.TcpIncomingConnection [15:34:25.314UTC] - now watched by Actor[akka://appname/system/IO-TCP/selectors/$h#227381172]
2018-04-13T08:34:26.327-0700 [DEBUG] akka.io.TcpIncomingConnection [15:34:26.327UTC] - now watched by Actor[akka://appname/user/IO-HTTP/listener-0/89#-1079090421]
2018-04-13T08:34:26.327-0700 [DEBUG] akka.io.TcpIncomingConnection [15:34:26.327UTC] - stopped
2018-04-13T08:34:26.327-0700 [DEBUG] akka.io.TcpOutgoingConnection [15:34:26.327UTC] - Closing connection due to IO error java.io.IOException: Connection reset by peer
2018-04-13T08:34:26.327-0700 [DEBUG] akka.io.TcpOutgoingConnection [15:34:26.327UTC] - stopped
2018-04-13T08:34:26.328-0700 [DEBUG] akka.io.TcpIncomingConnection [15:34:26.328UTC] - stopped
喷雾日志：
2018-04-13T08:35:39.168-0700 - Dispatching GET request to http://10.4.4.178:9080/admin/health to handler Actor[akka://appname/system/IO-TCP/selectors/$b/20#-595408603]
2018-04-13T08:35:45.296-0700 - Dispatching GET request to http://10.4.4.178:9080/admin/health to handler Actor[akka://appname/system/IO-TCP/selectors/$d/19#721242322]
2018-04-13T08:35:51.372-0700 - Dispatching GET request to http://10.4.4.178:9080/admin/health to handler Actor[akka://appname/system/IO-TCP/selectors/$c/16#1510321611]
2018-04-13T08:35:57.436-0700 - Dispatching GET request to http://10.4.4.178:9080/admin/health to handler Actor[akka://appname/system/IO-TCP/selectors/$g/22#1994752981]
2018-04-13T08:36:03.622-0700 - Dispatching GET request to http://10.4.4.178:9080/admin/health to handler Actor[akka://appname/system/IO-TCP/selectors/$f/20#-1450294853]
健康检查记录
2018-04-13T08:32:53.356-0700 [INFO ] - [BEGIN] Health check
2018-04-13T08:32:53.356-0700 [DEBUG] - Memory : SUCCESS
2018-04-13T08:32:54.378-0700 [DEBUG] - HTTP : FAILURE, spray.can.Http$ConnectionException: ErrorClosed(Connection reset by peer)
2018-04-13T08:32:54.378-0700 [ERROR] - spray.can.Http$ConnectionException: ErrorClosed(Connection reset by peer)
at spray.can.client.HttpHostConnectionSlot.reportDisconnection(HttpHostConnectionSlot.scala:228)
at spray.can.client.HttpHostConnectionSlot$$anonfun$connected$1.applyOrElse(HttpHostConnectionSlot.scala:161)
at akka.actor.Actor$class.aroundReceive(Actor.scala:465)
at spray.can.client.HttpHostConnectionSlot.aroundReceive(HttpHostConnectionSlot.scala:33)
at akka.actor.ActorCell.receiveMessage(ActorCell.scala:516)
at akka.actor.ActorCell.invoke_aroundBody0(ActorCell.scala:487)
at akka.actor.ActorCell$AjcClosure1.run(ActorCell.scala:1)
at org.aspectj.runtime.reflect.JoinPointImpl.proceed(JoinPointImpl.java:149)
at akka.instrumentation.ActorCellInstrumentation.aroundBehaviourInvoke(ActorCellInstrumentation.scala:66)
at akka.actor.ActorCell.invoke(ActorCell.scala:483)
at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:238)
at akka.dispatch.Mailbox.run(Mailbox.scala:220)
at akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(AbstractDispatcher.scala:393)
at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)
at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
2018-04-13T08:32:54.378-0700 [INFO ] - [END ] Status: Failed (1022 ms)
Dockerfile：
FROM java-base:0.2.3
EXPOSE 9080 9081
ENV MAIN_CLASS="akka.kernel.Main" \
ADMIN_PORT="9080" \
HEALTHCHECK_URI="/admin/health" \
TEMPLATES="/app/templates/override.settings.tmpl:/app/conf/override.settings /app/templates/environment.conf.tmpl:/app/conf/environment.conf" \
JMX_PORT="9081" \
APP_NAME="appname" \
APP_VERSION="1.34.0" \
CLASSPATH="/app/conf" \
ENV_FILES="/app/conf/override.settings" \
INSTRUMENTATION_PATH="/app/ext" \
JVM_MISC_OPTS="-Dpid=1 \
-Dlog4j.configuration=file:///app/conf/log4j.xml \
-javaagent:\${INSTRUMENTATION_PATH}/aspectjweaver-1.7.4.jar \
-Dlog4j.configuration=file:///app/conf/log4j.xml \
-Dlogs.dir=/app/logs \
-Dakka.home=/app \
-Dakka.kernel.quiet=false \
-Dconfig.file=/app/conf/environment.conf" \
MAIN_CLASS_ARGS=appname.Boot
ADD ext /app/ext
ADD deps /app/libs
ADD templates/ /app/templates/
Docker-compose文件：
version: '3.3'
services:
appname:
container_name: appname
image: appname:1.34.0
network_mode: host
restart: unless-stopped
ulimits:
nofile:
soft: 65535
hard: 65535
environment:
UID:
SDLC_ENVIRONMENT:
REGION:
PARTITION:
TAGS:
INTERNAL_IP:
CONSUL_ADDRESS:
DOCKER_GID:
MAIN_CLASS_ARGS: appname.Boot
volumes:
- "./logs:/app/logs"
Akka Config：
2018-04-17T11:39:17.753-0700 [DEBUG] akka.event.EventStream [18:39:17.713UTC] - Default Loggers started
2018-04-17T11:39:17.755-0700 [INFO ] akka.actor.ActorSystemImpl [18:39:17.738UTC] - {
"akka" : {
"actor" : {
"creation-timeout" : "20s",
"debug" : {
"autoreceive" : "off",
"event-stream" : "off",
"fsm" : "off",
"lifecycle" : "off",
"receive" : "off",
"router-misconfiguration" : "off",
"unhandled" : "off"
},
"default-dispatcher" : {
"attempt-teamwork" : "on",
"default-executor" : {
"fallback" : "fork-join-executor"
},
"executor" : "default-executor",
"fork-join-executor" : {
"parallelism-factor" : 16,
"parallelism-min" : 8,
"task-peeking-mode" : "FIFO"
},
"mailbox-requirement" : "",
"shutdown-timeout" : "1s",
"thread-pool-executor" : {
"allow-core-timeout" : "on",
"core-pool-size-factor" : 3,
"core-pool-size-max" : 64,
"core-pool-size-min" : 8,
"keep-alive-time" : "60s",
"max-pool-size-factor" : 3,
"max-pool-size-max" : 64,
"max-pool-size-min" : 8,
"task-queue-size" : -1,
"task-queue-type" : "linked"
},
"throughput" : 1,
"throughput-deadline-time" : "0ms",
"type" : "Dispatcher"
},
"default-mailbox" : {
"mailbox-capacity" : 1000,
"mailbox-push-timeout-time" : "10s",
"mailbox-type" : "akka.dispatch.UnboundedMailbox",
"stash-capacity" : -1
},
"deployment" : {
"default" : {
"dispatcher" : "",
"mailbox" : "",
"nr-of-instances" : 1,
"resizer" : {
"backoff-rate" : 0.1,
"backoff-threshold" : 0.3,
"enabled" : "off",
"lower-bound" : 1,
"messages-per-resize" : 10,
"pressure-threshold" : 1,
"rampup-rate" : 0.2,
"upper-bound" : 10
},
"routees" : {
"paths" : []
},
"router" : "from-code",
"tail-chopping-router" : {
"interval" : "10 milliseconds"
},
"virtual-nodes-factor" : 10,
"within" : "5 seconds"
}
},
"dsl" : {
"default-timeout" : "5s",
"inbox-size" : 1000
},
"guardian-supervisor-strategy" : "akka.actor.DefaultSupervisorStrategy",
"mailbox" : {
"bounded-deque-based" : {
"mailbox-type" : "akka.dispatch.BoundedDequeBasedMailbox"
},
"bounded-queue-based" : {
"mailbox-type" : "akka.dispatch.BoundedMailbox"
},
"requirements" : {
"akka.dispatch.BoundedDequeBasedMessageQueueSemantics" : "akka.actor.mailbox.bounded-deque-based",
"akka.dispatch.BoundedMessageQueueSemantics" : "akka.actor.mailbox.bounded-queue-based",
"akka.dispatch.DequeBasedMessageQueueSemantics" : "akka.actor.mailbox.unbounded-deque-based",
"akka.dispatch.MultipleConsumerSemantics" : "akka.actor.mailbox.unbounded-queue-based",
"akka.dispatch.UnboundedDequeBasedMessageQueueSemantics" : "akka.actor.mailbox.unbounded-deque-based",
"akka.dispatch.UnboundedMessageQueueSemantics" : "akka.actor.mailbox.unbounded-queue-based"
},
"unbounded-deque-based" : {
"mailbox-type" : "akka.dispatch.UnboundedDequeBasedMailbox"
},
"unbounded-queue-based" : {
"mailbox-type" : "akka.dispatch.UnboundedMailbox"
}
},
"provider" : "akka.actor.LocalActorRefProvider",
"reaper-interval" : "5s",
"router" : {
"type-mapping" : {
"balancing-pool" : "akka.routing.BalancingPool",
"broadcast-group" : "akka.routing.BroadcastGroup",
"broadcast-pool" : "akka.routing.BroadcastPool",
"consistent-hashing-group" : "akka.routing.ConsistentHashingGroup",
"consistent-hashing-pool" : "akka.routing.ConsistentHashingPool",
"from-code" : "akka.routing.NoRouter",
"random-group" : "akka.routing.RandomGroup",
"random-pool" : "akka.routing.RandomPool",
"round-robin-group" : "akka.routing.RoundRobinGroup",
"round-robin-pool" : "akka.routing.RoundRobinPool",
"scatter-gather-group" : "akka.routing.ScatterGatherFirstCompletedGroup",
"scatter-gather-pool" : "akka.routing.ScatterGatherFirstCompletedPool",
"smallest-mailbox-pool" : "akka.routing.SmallestMailboxPool",
"tail-chopping-group" : "akka.routing.TailChoppingGroup",
"tail-chopping-pool" : "akka.routing.TailChoppingPool"
}
},
"serialization-bindings" : {
"[B" : "bytes",
"java.io.Serializable" : "java"
},
"serialize-creators" : "off",
"serialize-messages" : "off",
"serializers" : {
"bytes" : "akka.serialization.ByteArraySerializer",
"java" : "akka.serialization.JavaSerializer"
},
"typed" : {
"timeout" : "5s"
},
"unstarted-push-timeout" : "10s"
},
"daemonic" : "off",
"extensions" : [],
"home" : "/app",
"io" : {
"pinned-dispatcher" : {
"executor" : "thread-pool-executor",
"thread-pool-executor" : {
"allow-core-pool-timeout" : "off",
"allow-core-timeout" : "off"
},
"type" : "PinnedDispatcher"
},
"tcp" : {
"batch-accept-limit" : 10,
"direct-buffer-pool-limit" : 1000,
"direct-buffer-size" : "128 KiB",
"file-io-dispatcher" : "akka.actor.default-dispatcher",
"file-io-transferTo-limit" : "512 KiB",
"finish-connect-retries" : 5,
"management-dispatcher" : "akka.actor.default-dispatcher",
"max-channels" : 256000,
"max-received-message-size" : "unlimited",
"nr-of-selectors" : 10,
"register-timeout" : "5s",
"selector-association-retries" : 10,
"selector-dispatcher" : "akka.io.pinned-dispatcher",
"trace-logging" : "off",
"windows-connection-abort-workaround-enabled" : "off",
"worker-dispatcher" : "akka.actor.default-dispatcher"
},
"udp" : {
"direct-buffer-pool-limit" : 1000,
"direct-buffer-size" : "128 KiB",
"management-dispatcher" : "akka.actor.default-dispatcher",
"max-channels" : 4096,
"nr-of-selectors" : 1,
"receive-throughput" : 3,
"received-message-size-limit" : "unlimited",
"select-timeout" : "infinite",
"selector-association-retries" : 10,
"selector-dispatcher" : "akka.io.pinned-dispatcher",
"trace-logging" : "off",
"worker-dispatcher" : "akka.actor.default-dispatcher"
},
"udp-connected" : {
"direct-buffer-pool-limit" : 1000,
"direct-buffer-size" : "128 KiB",
"management-dispatcher" : "akka.actor.default-dispatcher",
"max-channels" : 4096,
"nr-of-selectors" : 1,
"receive-throughput" : 3,
"received-message-size-limit" : "unlimited",
"select-timeout" : "infinite",
"selector-association-retries" : 10,
"selector-dispatcher" : "akka.io.pinned-dispatcher",
"trace-logging" : "off",
"worker-dispatcher" : "akka.actor.default-dispatcher"
}
},
"jvm-exit-on-fatal-error" : "on",
"kernel" : {
"quiet" : "true"
},
"log-config-on-start" : "on",
"log-dead-letters" : 10,
"log-dead-letters-during-shutdown" : "on",
"logger-startup-timeout" : "5s",
"loggers" : [
"akka.event.slf4j.Slf4jLogger"
],
"loglevel" : "DEBUG",
"scheduler" : {
"implementation" : "akka.actor.LightArrayRevolverScheduler",
"shutdown-timeout" : "5s",
"tick-duration" : "10ms",
"ticks-per-wheel" : 512
},
"stdout-loglevel" : "WARNING",
"version" : "2.3.16"
},
"awt" : {
"toolkit" : "sun.awt.X11.XToolkit"
},
"java" : {
"version" : "1.8.0_121",
"vm" : {
"info" : "mixed mode",
"name" : "Java HotSpot(TM) 64-Bit Server VM",
"specification" : {
"name" : "Java Virtual Machine Specification",
"vendor" : "Oracle Corporation",
"version" : "1.8"
},
"vendor" : "Oracle Corporation",
"version" : "25.121-b13"
}
}
"pid" : "1",
"spray" : {
"can" : {
"client" : {
"chunkless-streaming" : "off",
"connecting-timeout" : "10s",
"idle-timeout" : "610s",
"max-encryption-chunk-size" : "1m",
"parsing" : {
"header-cache" : {
"Content-MD5" : 0,
"Date" : 0,
"If-Match" : 0,
"If-Modified-Since" : 0,
"If-None-Match" : 0,
"If-Range" : 0,
"If-Unmodified-Since" : 0,
"User-Agent" : 32,
"default" : 12
},
"illegal-header-warnings" : "off",
"incoming-auto-chunking-threshold-size" : "infinite",
"max-chunk-ext-length" : 256,
"max-chunk-size" : "1m",
"max-content-length" : "8m",
"max-header-count" : 64,
"max-header-name-length" : 64,
"max-header-value-length" : "8k",
"max-response-reason-length" : 64,
"max-uri-length" : "2k",
"ssl-session-info-header" : "off",
"uri-parsing-mode" : "strict"
},
"proxy" : {
"http" : "default",
"https" : "default"
},
"reaping-cycle" : "250 ms",
"request-header-size-hint" : 512,
"request-timeout" : "605s",
"response-chunk-aggregation-limit" : "5m",
"ssl-tracing" : "off",
"user-agent-header" : "spray-can/1.3.2"
},
"connection-dispatcher" : "akka.actor.default-dispatcher",
"host-connector" : {
"client" : {
"chunkless-streaming" : "off",
"connecting-timeout" : "10s",
"idle-timeout" : "60 s",
"max-encryption-chunk-size" : "1m",
"parsing" : {
"header-cache" : {
"Content-MD5" : 0,
"Date" : 0,
"If-Match" : 0,
"If-Modified-Since" : 0,
"If-None-Match" : 0,
"If-Range" : 0,
"If-Unmodified-Since" : 0,
"User-Agent" : 32,
"default" : 12
},
"illegal-header-warnings" : "on",
"incoming-auto-chunking-threshold-size" : "infinite",
"max-chunk-ext-length" : 256,
"max-chunk-size" : "1m",
"max-content-length" : "8m",
"max-header-count" : 64,
"max-header-name-length" : 64,
"max-header-value-length" : "8k",
"max-response-reason-length" : 64,
"max-uri-length" : "2k",
"ssl-session-info-header" : "off",
"uri-parsing-mode" : "strict"
},
"proxy" : {
"http" : "default",
"https" : "default"
},
"reaping-cycle" : "250 ms",
"request-header-size-hint" : 512,
"request-timeout" : "20 s",
"response-chunk-aggregation-limit" : "1m",
"ssl-tracing" : "off",
"user-agent-header" : "spray-can/1.3.2"
},
"idle-timeout" : "30 s",
"max-connections" : 100,
"max-redirects" : 0,
"max-retries" : 0,
"pipelining" : "off"
},
"host-connector-dispatcher" : "akka.actor.default-dispatcher",
"listener-dispatcher" : "akka.actor.default-dispatcher",
"manager-dispatcher" : "akka.actor.default-dispatcher",
"parsing" : {
"header-cache" : {
"Content-MD5" : 0,
"Date" : 0,
"If-Match" : 0,
"If-Modified-Since" : 0,
"If-None-Match" : 0,
"If-Range" : 0,
"If-Unmodified-Since" : 0,
"User-Agent" : 32,
"default" : 12
},
"illegal-header-warnings" : "off",
"incoming-auto-chunking-threshold-size" : "infinite",
"max-chunk-ext-length" : 256,
"max-chunk-size" : "1m",
"max-content-length" : "8m",
"max-header-count" : 64,
"max-header-name-length" : 64,
"max-header-value-length" : "8k",
"max-response-reason-length" : 64,
"max-uri-length" : "2k",
"ssl-session-info-header" : "off",
"uri-parsing-mode" : "strict"
},
"server" : {
"automatic-back-pressure-handling" : "on",
"back-pressure" : {
"noack-rate" : 10,
"reading-low-watermark" : "infinite"
},
"bind-timeout" : "1s",
"chunkhandler-registration-timeout" : "500 ms",
"chunkless-streaming" : "off",
"default-host-header" : "",
"idle-timeout" : "610s",
"max-encryption-chunk-size" : "1m",
"parsing" : {
"header-cache" : {
"Content-MD5" : 0,
"Date" : 0,
"If-Match" : 0,
"If-Modified-Since" : 0,
"If-None-Match" : 0,
"If-Range" : 0,
"If-Unmodified-Since" : 0,
"User-Agent" : 32,
"default" : 12
},
"illegal-header-warnings" : "off",
"incoming-auto-chunking-threshold-size" : "infinite",
"max-chunk-ext-length" : 256,
"max-chunk-size" : "1m",
"max-content-length" : "8m",
"max-header-count" : 64,
"max-header-name-length" : 64,
"max-header-value-length" : "16k",
"max-response-reason-length" : 64,
"max-uri-length" : "2k",
"ssl-session-info-header" : "off",
"uri-parsing-mode" : "relaxed-with-raw-query"
},
"parsing-error-abort-timeout" : "2s",
"pipelining-limit" : 1,
"raw-request-uri-header" : "off",
"reaping-cycle" : "250 ms",
"registration-timeout" : "1s",
"remote-address-header" : "on",
"request-chunk-aggregation-limit" : "1m",
"request-timeout" : "605s",
"response-header-size-hint" : 512,
"server-header" : "BlueJeans Proxy",
"ssl-encryption" : "off",
"ssl-tracing" : "off",
"stats-support" : "on",
"timeout-handler" : "",
"timeout-timeout" : "2 s",
"transparent-head-requests" : "on",
"unbind-timeout" : "1s",
"verbose-error-messages" : "off"
},
"settings-group-dispatcher" : "akka.actor.default-dispatcher"
}
"version" : "1.3.2"
}
}
2018-04-17T11:39:20.980-0700 [DEBUG] akka.io.TcpListener [18:39:20.979UTC] - Successfully bound to /10.4.4.178:9080
版本： akka - 2.3.0 喷雾 - 1.3.2 在docker容器内的alpine linux上运行。
任何指针都会有所帮助。提前谢谢。
答案 0 :(得分：2)
在docker-compose文件中，在appname。下定义端口映射。
ports:
9080:9080