ERROR Uncaught exception in herder work thread, exiting:

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sdu...@cardinalcommerce.com

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Jan 18, 2018, 4:56:33 PM1/18/18
to Confluent Platform
Hello,

I am trying to setup SSL on my 3-Broker kafka cluster. I got my kafka brokers listening on SSL (9093) w/o any issues. But, my Kafka Connect is not starting when I add the SSL config to it. 

Here is my connect-distributed.properties file:

bootstrap.servers=kafka1:9093,kafka2:9093,kafka3:9093
security
.protocol=SSL
ssl
.truststore.location=/lib/certs-self/server.truststore.jks
ssl
.truststore.password=<password>
group.id=cc-connect-cluster

key
.converter=io.confluent.connect.avro.AvroConverter

value
.converter=io.confluent.connect.avro.AvroConverter
key
.converter.schemas.enable=true

value
.converter.schemas.enable=true
internal.key.converter=org.apache.kafka.connect.json.JsonConverter

internal.value.converter=org.apache.kafka.connect.json.JsonConverter
internal.key.converter.schemas.enable=false
internal.value.converter.schemas.enable=false
offset
.storage.topic=connect-offsets
offset
.storage.replication.factor=3
config
.storage.topic=connect-configs
config
.storage.replication.factor=3
status
.storage.topic=connect-status
status
.storage.replication.factor=3
offset
.flush.interval.ms=10000
key
.converter.schema.registry.url=http://worker1:8081
value
.converter.schema.registry.url=http://worker1:8081

consumer
.interceptor.classes=io.confluent.monitoring.clients.interceptor.MonitoringConsumerInterceptor

producer
.interceptor.classes=io.confluent.monitoring.clients.interceptor.MonitoringProducerInterceptor

format
.class=io.confluent.connect.hdfs.avro.AvroFormat


and below is the error that I am facing when I try to start my kafka connect:

[2018-01-18 21:41:31,900] INFO Started o.e.j.s.ServletContextHandler@475b7ba{/,null,AVAILABLE} (org.eclipse.jetty.server.handler.ContextHandler:744)
[2018-01-18 21:41:31,906] INFO Started ServerConnector@4336826f{HTTP/1.1}{0.0.0.0:8083} (org.eclipse.jetty.server.ServerConnector:266)
[2018-01-18 21:41:31,907] INFO Started @19042ms (org.eclipse.jetty.server.Server:379)
[2018-01-18 21:41:31,907] INFO REST server listening at http://172.30.1.21:8083/, advertising URL http://172.30.1.21:8083/ (org.apache.kafka.connect.runtime.rest.RestServer:150)
[2018-01-18 21:41:31,908] INFO Kafka Connect started (org.apache.kafka.connect.runtime.Connect:55)
[2018-01-18 21:41:41,774] INFO 52.6.13.210 - - [18/Jan/2018:21:41:41 +0000] "GET / HTTP/1.0" 200 54  122 (org.apache.kafka.connect.runtime.rest.RestServer:60)
[2018-01-18 21:41:51,819] INFO 52.6.13.210 - - [18/Jan/2018:21:41:51 +0000] "GET / HTTP/1.0" 200 54  2 (org.apache.kafka.connect.runtime.rest.RestServer:60)
[2018-01-18 21:42:01,718] INFO 52.6.13.210 - - [18/Jan/2018:21:42:01 +0000] "GET / HTTP/1.0" 200 54  2 (org.apache.kafka.connect.runtime.rest.RestServer:60)
[2018-01-18 21:42:11,639] INFO 52.6.13.210 - - [18/Jan/2018:21:42:11 +0000] "GET / HTTP/1.0" 200 54  3 (org.apache.kafka.connect.runtime.rest.RestServer:60)
[2018-01-18 21:42:21,700] INFO 52.6.13.210 - - [18/Jan/2018:21:42:21 +0000] "GET / HTTP/1.0" 200 54  2 (org.apache.kafka.connect.runtime.rest.RestServer:60)
[2018-01-18 21:42:31,717] INFO 52.6.13.210 - - [18/Jan/2018:21:42:31 +0000] "GET / HTTP/1.0" 200 54  2 (org.apache.kafka.connect.runtime.rest.RestServer:60)
[2018-01-18 21:42:41,803] INFO 52.6.13.210 - - [18/Jan/2018:21:42:41 +0000] "GET / HTTP/1.0" 200 54  1 (org.apache.kafka.connect.runtime.rest.RestServer:60)
[2018-01-18 21:42:51,622] INFO 52.6.13.210 - - [18/Jan/2018:21:42:51 +0000] "GET / HTTP/1.0" 200 54  2 (org.apache.kafka.connect.runtime.rest.RestServer:60)
[2018-01-18 21:43:01,634] INFO 52.6.13.210 - - [18/Jan/2018:21:43:01 +0000] "GET / HTTP/1.0" 200 54  2 (org.apache.kafka.connect.runtime.rest.RestServer:60)
[2018-01-18 21:43:11,845] INFO 52.6.13.210 - - [18/Jan/2018:21:41:41 +0000] "GET /connectors HTTP/1.0" 500 48  90020 (org.apache.kafka.connect.runtime.rest.RestServer:60)
[2018-01-18 21:43:12,022] INFO 52.6.13.210 - - [18/Jan/2018:21:43:12 +0000] "GET / HTTP/1.0" 200 54  2 (org.apache.kafka.connect.runtime.rest.RestServer:60)
[2018-01-18 21:43:21,899] INFO 52.6.13.210 - - [18/Jan/2018:21:43:21 +0000] "GET / HTTP/1.0" 200 54  3 (org.apache.kafka.connect.runtime.rest.RestServer:60)
[2018-01-18 21:43:31,156] ERROR Uncaught exception in herder work thread, exiting:  (org.apache.kafka.connect.runtime.distributed.DistributedHerder:206)
org.apache.kafka.connect.errors.ConnectException: Timed out while checking for or creating topic(s) 'connect-offsets'. This could indicate a connectivity issue, unavailable topic partitions, or if this is your first use of the topic it may have taken too long to create.
        at org.apache.kafka.connect.util.TopicAdmin.createTopics(TopicAdmin.java:241)
        at org.apache.kafka.connect.storage.KafkaOffsetBackingStore$1.run(KafkaOffsetBackingStore.java:99)
        at org.apache.kafka.connect.util.KafkaBasedLog.start(KafkaBasedLog.java:126)
        at org.apache.kafka.connect.storage.KafkaOffsetBackingStore.start(KafkaOffsetBackingStore.java:109)
        at org.apache.kafka.connect.runtime.Worker.start(Worker.java:146)
        at org.apache.kafka.connect.runtime.AbstractHerder.startServices(AbstractHerder.java:99)
        at org.apache.kafka.connect.runtime.distributed.DistributedHerder.run(DistributedHerder.java:194)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
Caused by: org.apache.kafka.common.errors.TimeoutException: Timed out waiting for a node assignment.
[2018-01-18 21:43:31,158] INFO Kafka Connect stopping (org.apache.kafka.connect.runtime.Connect:65)
[2018-01-18 21:43:31,158] INFO Stopping REST server (org.apache.kafka.connect.runtime.rest.RestServer:154)
[2018-01-18 21:43:41,952] INFO 52.6.13.210 - - [18/Jan/2018:21:42:11 +0000] "GET /connectors HTTP/1.0" 500 48  90002 (org.apache.kafka.connect.runtime.rest.RestServer:60)
[2018-01-18 21:43:51,776] INFO 52.6.13.210 - - [18/Jan/2018:21:42:21 +0000] "GET /connectors HTTP/1.0" 500 48  90003 (org.apache.kafka.connect.runtime.rest.RestServer:60)
[2018-01-18 21:44:01,727] INFO 52.6.13.210 - - [18/Jan/2018:21:42:31 +0000] "GET /connectors HTTP/1.0" 500 48  90002 (org.apache.kafka.connect.runtime.rest.RestServer:60)
[2018-01-18 21:44:11,757] INFO 52.6.13.210 - - [18/Jan/2018:21:42:41 +0000] "GET /connectors HTTP/1.0" 500 48  90003 (org.apache.kafka.connect.runtime.rest.RestServer:60)
[2018-01-18 21:44:11,888] INFO 52.6.13.210 - - [18/Jan/2018:21:42:41 +0000] "GET /connectors HTTP/1.0" 500 48  90003 (org.apache.kafka.connect.runtime.rest.RestServer:60)
[2018-01-18 21:44:31,162] INFO Stopped ServerConnector@4336826f{HTTP/1.1}{0.0.0.0:8083} (org.eclipse.jetty.server.ServerConnector:306)
[2018-01-18 21:44:31,173] INFO Stopped o.e.j.s.ServletContextHandler@475b7ba{/,null,UNAVAILABLE} (org.eclipse.jetty.server.handler.ContextHandler:865)
[2018-01-18 21:44:31,860] WARN  (org.eclipse.jetty.servlet.ServletHandler:620)
javax.servlet.ServletException: A MultiException has 1 exceptions.  They are:
1. java.lang.IllegalStateException: ServiceLocatorImpl(__HK2_Generated_0,1,1283299226) has been shut down

        at org.glassfish.jersey.servlet.WebComponent.serviceImpl(WebComponent.java:489)
        at org.glassfish.jersey.servlet.WebComponent.service(WebComponent.java:427)
        at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:388)
        at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:341)
        at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:228)
        at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:812)
        at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:587)
        at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:221)
        at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1127)
        at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515)
        at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
        at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1061)
        at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
        at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:110)
        at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
        at org.eclipse.jetty.server.handler.StatisticsHandler.handle(StatisticsHandler.java:159)
        at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
        at org.eclipse.jetty.server.Server.handle(Server.java:499)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:311)
        at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:257)
        at org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:544)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)
        at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)
        at java.lang.Thread.run(Thread.java:748)
Caused by: A MultiException has 1 exceptions.  They are:
1. java.lang.IllegalStateException: ServiceLocatorImpl(__HK2_Generated_0,1,1283299226) has been shut down

        at org.jvnet.hk2.internal.FactoryCreator.getFactoryHandle(FactoryCreator.java:106)
        at org.jvnet.hk2.internal.FactoryCreator.dispose(FactoryCreator.java:173)
        at org.jvnet.hk2.internal.SystemDescriptor.dispose(SystemDescriptor.java:526)
        at org.glassfish.jersey.process.internal.RequestScope$Instance.remove(RequestScope.java:532)
        at org.glassfish.jersey.process.internal.RequestScope$Instance.release(RequestScope.java:549)
        at org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:319)
        at org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:305)
        at org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:1154)
        at org.glassfish.jersey.servlet.WebComponent.serviceImpl(WebComponent.java:473)
        ... 23 more
Caused by: java.lang.IllegalStateException: ServiceLocatorImpl(__HK2_Generated_0,1,1283299226) has been shut down
        at org.jvnet.hk2.internal.ServiceLocatorImpl.checkState(ServiceLocatorImpl.java:2318)
        at org.jvnet.hk2.internal.ServiceLocatorImpl.getServiceHandleImpl(ServiceLocatorImpl.java:630)
        at org.jvnet.hk2.internal.ServiceLocatorImpl.getServiceHandle(ServiceLocatorImpl.java:623)
        at org.jvnet.hk2.internal.ServiceLocatorImpl.getServiceHandle(ServiceLocatorImpl.java:641)
        at org.jvnet.hk2.internal.FactoryCreator.getFactoryHandle(FactoryCreator.java:103)
        ... 31 more
[2018-01-18 21:44:31,861] INFO 52.6.13.210 - - [1516311781857] "GET /connectors HTTP/1.0" 500 48  90004 (org.apache.kafka.connect.runtime.rest.RestServer:60)
[2018-01-18 21:44:31,862] WARN /connectors (org.eclipse.jetty.server.HttpChannel:396)
javax.servlet.ServletException: javax.servlet.ServletException: A MultiException has 1 exceptions.  They are:
1. java.lang.IllegalStateException: ServiceLocatorImpl(__HK2_Generated_0,1,1283299226) has been shut down

        at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:130)
        at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
        at org.eclipse.jetty.server.handler.StatisticsHandler.handle(StatisticsHandler.java:159)
        at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
        at org.eclipse.jetty.server.Server.handle(Server.java:499)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:311)
        at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:257)
        at org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:544)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)
        at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)
        at java.lang.Thread.run(Thread.java:748)
Caused by: javax.servlet.ServletException: A MultiException has 1 exceptions.  They are:
1. java.lang.IllegalStateException: ServiceLocatorImpl(__HK2_Generated_0,1,1283299226) has been shut down

        at org.glassfish.jersey.servlet.WebComponent.serviceImpl(WebComponent.java:489)
        at org.glassfish.jersey.servlet.WebComponent.service(WebComponent.java:427)
        at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:388)
        at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:341)
        at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:228)
        at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:812)
        at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:587)
        at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:221)
        at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1127)
        at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515)
        at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
        at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1061)
        at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
        at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:110)
        ... 10 more
Caused by: A MultiException has 1 exceptions.  They are:
1. java.lang.IllegalStateException: ServiceLocatorImpl(__HK2_Generated_0,1,1283299226) has been shut down

        at org.jvnet.hk2.internal.FactoryCreator.getFactoryHandle(FactoryCreator.java:106)
        at org.jvnet.hk2.internal.FactoryCreator.dispose(FactoryCreator.java:173)
        at org.jvnet.hk2.internal.SystemDescriptor.dispose(SystemDescriptor.java:526)
        at org.glassfish.jersey.process.internal.RequestScope$Instance.remove(RequestScope.java:532)
        at org.glassfish.jersey.process.internal.RequestScope$Instance.release(RequestScope.java:549)
        at org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:319)
        at org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:305)
        at org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:1154)
        at org.glassfish.jersey.servlet.WebComponent.serviceImpl(WebComponent.java:473)
        ... 23 more
Caused by: java.lang.IllegalStateException: ServiceLocatorImpl(__HK2_Generated_0,1,1283299226) has been shut down
        at org.jvnet.hk2.internal.ServiceLocatorImpl.checkState(ServiceLocatorImpl.java:2318)
        at org.jvnet.hk2.internal.ServiceLocatorImpl.getServiceHandleImpl(ServiceLocatorImpl.java:630)
        at org.jvnet.hk2.internal.ServiceLocatorImpl.getServiceHandle(ServiceLocatorImpl.java:623)
        at org.jvnet.hk2.internal.ServiceLocatorImpl.getServiceHandle(ServiceLocatorImpl.java:641)
        at org.jvnet.hk2.internal.FactoryCreator.getFactoryHandle(FactoryCreator.java:103)
        ... 31 more
[2018-01-18 21:44:31,863] WARN Could not send response error 500: javax.servlet.ServletException: javax.servlet.ServletException: A MultiException has 1 exceptions.  They are:
1. java.lang.IllegalStateException: ServiceLocatorImpl(__HK2_Generated_0,1,1283299226) has been shut down
 (org.eclipse.jetty.server.HttpChannel:482)
[2018-01-18 21:44:42,077] WARN  (org.eclipse.jetty.servlet.ServletHandler:620)
javax.servlet.ServletException: A MultiException has 1 exceptions.  They are:
1. java.lang.IllegalStateException: ServiceLocatorImpl(__HK2_Generated_0,1,1283299226) has been shut down

        at org.glassfish.jersey.servlet.WebComponent.serviceImpl(WebComponent.java:489)
        at org.glassfish.jersey.servlet.WebComponent.service(WebComponent.java:427)
        at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:388)
        at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:341)
        at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:228)
        at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:812)
        at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:587)
        at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:221)
        at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1127)
        at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515)
        at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
        at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1061)
        at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
        at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:110)
        at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
        at org.eclipse.jetty.server.handler.StatisticsHandler.handle(StatisticsHandler.java:159)
        at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
        at org.eclipse.jetty.server.Server.handle(Server.java:499)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:311)
        at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:257)
        at org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:544)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)
        at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)
        at java.lang.Thread.run(Thread.java:748)
Caused by: A MultiException has 1 exceptions.  They are:
1. java.lang.IllegalStateException: ServiceLocatorImpl(__HK2_Generated_0,1,1283299226) has been shut down

        at org.jvnet.hk2.internal.FactoryCreator.getFactoryHandle(FactoryCreator.java:106)
        at org.jvnet.hk2.internal.FactoryCreator.dispose(FactoryCreator.java:173)
        at org.jvnet.hk2.internal.SystemDescriptor.dispose(SystemDescriptor.java:526)
        at org.glassfish.jersey.process.internal.RequestScope$Instance.remove(RequestScope.java:532)
        at org.glassfish.jersey.process.internal.RequestScope$Instance.release(RequestScope.java:549)
        at org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:319)
        at org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:305)
        at org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:1154)
        at org.glassfish.jersey.servlet.WebComponent.serviceImpl(WebComponent.java:473)
        ... 23 more
Caused by: java.lang.IllegalStateException: ServiceLocatorImpl(__HK2_Generated_0,1,1283299226) has been shut down
        at org.jvnet.hk2.internal.ServiceLocatorImpl.checkState(ServiceLocatorImpl.java:2318)
        at org.jvnet.hk2.internal.ServiceLocatorImpl.getServiceHandleImpl(ServiceLocatorImpl.java:630)
        at org.jvnet.hk2.internal.ServiceLocatorImpl.getServiceHandle(ServiceLocatorImpl.java:623)
        at org.jvnet.hk2.internal.ServiceLocatorImpl.getServiceHandle(ServiceLocatorImpl.java:641)
        at org.jvnet.hk2.internal.FactoryCreator.getFactoryHandle(FactoryCreator.java:103)
        ... 31 more
[2018-01-18 21:44:42,078] INFO 52.6.13.210 - - [1516311792074] "GET /connectors HTTP/1.0" 500 48  90004 (org.apache.kafka.connect.runtime.rest.RestServer:60)
[2018-01-18 21:44:42,078] WARN /connectors (org.eclipse.jetty.server.HttpChannel:396)
javax.servlet.ServletException: javax.servlet.ServletException: A MultiException has 1 exceptions.  They are:
1. java.lang.IllegalStateException: ServiceLocatorImpl(__HK2_Generated_0,1,1283299226) has been shut down

        at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:130)
        at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
        at org.eclipse.jetty.server.handler.StatisticsHandler.handle(StatisticsHandler.java:159)
        at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
        at org.eclipse.jetty.server.Server.handle(Server.java:499)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:311)
        at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:257)
        at org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:544)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)
        at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)
        at java.lang.Thread.run(Thread.java:748)
Caused by: javax.servlet.ServletException: A MultiException has 1 exceptions.  They are:
1. java.lang.IllegalStateException: ServiceLocatorImpl(__HK2_Generated_0,1,1283299226) has been shut down

        at org.glassfish.jersey.servlet.WebComponent.serviceImpl(WebComponent.java:489)
        at org.glassfish.jersey.servlet.WebComponent.service(WebComponent.java:427)
        at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:388)
        at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:341)
        at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:228)
        at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:812)
        at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:587)
        at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:221)
        at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1127)
        at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515)
        at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
        at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1061)
        at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
        at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:110)
        ... 10 more
Caused by: A MultiException has 1 exceptions.  They are:
1. java.lang.IllegalStateException: ServiceLocatorImpl(__HK2_Generated_0,1,1283299226) has been shut down

        at org.jvnet.hk2.internal.FactoryCreator.getFactoryHandle(FactoryCreator.java:106)
        at org.jvnet.hk2.internal.FactoryCreator.dispose(FactoryCreator.java:173)
        at org.jvnet.hk2.internal.SystemDescriptor.dispose(SystemDescriptor.java:526)
        at org.glassfish.jersey.process.internal.RequestScope$Instance.remove(RequestScope.java:532)
        at org.glassfish.jersey.process.internal.RequestScope$Instance.release(RequestScope.java:549)
        at org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:319)
        at org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:305)
        at org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:1154)
        at org.glassfish.jersey.servlet.WebComponent.serviceImpl(WebComponent.java:473)
        ... 23 more
Caused by: java.lang.IllegalStateException: ServiceLocatorImpl(__HK2_Generated_0,1,1283299226) has been shut down
        at org.jvnet.hk2.internal.ServiceLocatorImpl.checkState(ServiceLocatorImpl.java:2318)
        at org.jvnet.hk2.internal.ServiceLocatorImpl.getServiceHandleImpl(ServiceLocatorImpl.java:630)
        at org.jvnet.hk2.internal.ServiceLocatorImpl.getServiceHandle(ServiceLocatorImpl.java:623)
        at org.jvnet.hk2.internal.ServiceLocatorImpl.getServiceHandle(ServiceLocatorImpl.java:641)
        at org.jvnet.hk2.internal.FactoryCreator.getFactoryHandle(FactoryCreator.java:103)
        ... 31 more
[2018-01-18 21:44:42,079] WARN Could not send response error 500: javax.servlet.ServletException: javax.servlet.ServletException: A MultiException has 1 exceptions.  They are:
1. java.lang.IllegalStateException: ServiceLocatorImpl(__HK2_Generated_0,1,1283299226) has been shut down
 (org.eclipse.jetty.server.HttpChannel:482)
[2018-01-18 21:44:51,971] WARN  (org.eclipse.jetty.servlet.ServletHandler:620)
javax.servlet.ServletException: A MultiException has 1 exceptions.  They are:
1. java.lang.IllegalStateException: ServiceLocatorImpl(__HK2_Generated_0,1,1283299226) has been shut down

        at org.glassfish.jersey.servlet.WebComponent.serviceImpl(WebComponent.java:489)
        at org.glassfish.jersey.servlet.WebComponent.service(WebComponent.java:427)
        at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:388)
        at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:341)
        at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:228)
        at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:812)
        at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:587)
        at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:221)
        at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1127)
        at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515)
        at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
        at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1061)
        at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
        at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:110)
        at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
        at org.eclipse.jetty.server.handler.StatisticsHandler.handle(StatisticsHandler.java:159)
        at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
        at org.eclipse.jetty.server.Server.handle(Server.java:499)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:311)
        at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:257)
        at org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:544)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)
        at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)
        at java.lang.Thread.run(Thread.java:748)
Caused by: A MultiException has 1 exceptions.  They are:
1. java.lang.IllegalStateException: ServiceLocatorImpl(__HK2_Generated_0,1,1283299226) has been shut down

        at org.jvnet.hk2.internal.FactoryCreator.getFactoryHandle(FactoryCreator.java:106)
        at org.jvnet.hk2.internal.FactoryCreator.dispose(FactoryCreator.java:173)
        at org.jvnet.hk2.internal.SystemDescriptor.dispose(SystemDescriptor.java:526)
        at org.glassfish.jersey.process.internal.RequestScope$Instance.remove(RequestScope.java:532)
        at org.glassfish.jersey.process.internal.RequestScope$Instance.release(RequestScope.java:549)
        at org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:319)
        at org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:305)
        at org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:1154)
        at org.glassfish.jersey.servlet.WebComponent.serviceImpl(WebComponent.java:473)
        ... 23 more
Caused by: java.lang.IllegalStateException: ServiceLocatorImpl(__HK2_Generated_0,1,1283299226) has been shut down
        at org.jvnet.hk2.internal.ServiceLocatorImpl.checkState(ServiceLocatorImpl.java:2318)
        at org.jvnet.hk2.internal.ServiceLocatorImpl.getServiceHandleImpl(ServiceLocatorImpl.java:630)
        at org.jvnet.hk2.internal.ServiceLocatorImpl.getServiceHandle(ServiceLocatorImpl.java:623)
        at org.jvnet.hk2.internal.ServiceLocatorImpl.getServiceHandle(ServiceLocatorImpl.java:641)
        at org.jvnet.hk2.internal.FactoryCreator.getFactoryHandle(FactoryCreator.java:103)
        ... 31 more
[2018-01-18 21:44:51,972] INFO 52.6.13.210 - - [1516311801968] "GET /connectors HTTP/1.0" 500 48  90004 (org.apache.kafka.connect.runtime.rest.RestServer:60)
[2018-01-18 21:44:51,972] WARN /connectors (org.eclipse.jetty.server.HttpChannel:396)
javax.servlet.ServletException: javax.servlet.ServletException: A MultiException has 1 exceptions.  They are:
1. java.lang.IllegalStateException: ServiceLocatorImpl(__HK2_Generated_0,1,1283299226) has been shut down

        at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:130)
        at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
        at org.eclipse.jetty.server.handler.StatisticsHandler.handle(StatisticsHandler.java:159)
        at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
        at org.eclipse.jetty.server.Server.handle(Server.java:499)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:311)
        at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:257)
        at org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:544)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)
        at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)
        at java.lang.Thread.run(Thread.java:748)
Caused by: javax.servlet.ServletException: A MultiException has 1 exceptions.  They are:
1. java.lang.IllegalStateException: ServiceLocatorImpl(__HK2_Generated_0,1,1283299226) has been shut down

        at org.glassfish.jersey.servlet.WebComponent.serviceImpl(WebComponent.java:489)
        at org.glassfish.jersey.servlet.WebComponent.service(WebComponent.java:427)
        at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:388)
        at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:341)
        at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:228)
        at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:812)
        at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:587)
        at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:221)
        at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1127)
        at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515)
        at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
        at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1061)
        at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
        at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:110)
        ... 10 more
Caused by: A MultiException has 1 exceptions.  They are:
1. java.lang.IllegalStateException: ServiceLocatorImpl(__HK2_Generated_0,1,1283299226) has been shut down

        at org.jvnet.hk2.internal.FactoryCreator.getFactoryHandle(FactoryCreator.java:106)
        at org.jvnet.hk2.internal.FactoryCreator.dispose(FactoryCreator.java:173)
        at org.jvnet.hk2.internal.SystemDescriptor.dispose(SystemDescriptor.java:526)
        at org.glassfish.jersey.process.internal.RequestScope$Instance.remove(RequestScope.java:532)
        at org.glassfish.jersey.process.internal.RequestScope$Instance.release(RequestScope.java:549)
        at org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:319)
        at org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:305)
        at org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:1154)
        at org.glassfish.jersey.servlet.WebComponent.serviceImpl(WebComponent.java:473)
        ... 23 more
Caused by: java.lang.IllegalStateException: ServiceLocatorImpl(__HK2_Generated_0,1,1283299226) has been shut down
        at org.jvnet.hk2.internal.ServiceLocatorImpl.checkState(ServiceLocatorImpl.java:2318)
        at org.jvnet.hk2.internal.ServiceLocatorImpl.getServiceHandleImpl(ServiceLocatorImpl.java:630)
        at org.jvnet.hk2.internal.ServiceLocatorImpl.getServiceHandle(ServiceLocatorImpl.java:623)
        at org.jvnet.hk2.internal.ServiceLocatorImpl.getServiceHandle(ServiceLocatorImpl.java:641)
        at org.jvnet.hk2.internal.FactoryCreator.getFactoryHandle(FactoryCreator.java:103)
        ... 31 more
[2018-01-18 21:44:51,973] WARN Could not send response error 500: javax.servlet.ServletException: javax.servlet.ServletException: A MultiException has 1 exceptions.  They are:
1. java.lang.IllegalStateException: ServiceLocatorImpl(__HK2_Generated_0,1,1283299226) has been shut down
 (org.eclipse.jetty.server.HttpChannel:482)
[2018-01-18 21:44:51,974] WARN FAILED org.eclipse.jetty.server.Server@36077f7e: java.util.concurrent.TimeoutException (org.eclipse.jetty.util.component.AbstractLifeCycle:212)
java.util.concurrent.TimeoutException
        at org.eclipse.jetty.util.FutureCallback.get(FutureCallback.java:128)
        at org.eclipse.jetty.util.FutureCallback.get(FutureCallback.java:30)
        at org.eclipse.jetty.server.Server.doStop(Server.java:426)
        at org.eclipse.jetty.util.component.AbstractLifeCycle.stop(AbstractLifeCycle.java:89)
        at org.eclipse.jetty.util.thread.ShutdownThread.run(ShutdownThread.java:138)
[2018-01-18 21:44:51,974] INFO REST server stopped (org.apache.kafka.connect.runtime.rest.RestServer:165)
[2018-01-18 21:44:51,974] INFO Herder stopping (org.apache.kafka.connect.runtime.distributed.DistributedHerder:377)
[2018-01-18 21:44:56,975] INFO Herder stopped (org.apache.kafka.connect.runtime.distributed.DistributedHerder:397)
[2018-01-18 21:44:56,975] INFO Kafka Connect stopped (org.apache.kafka.connect.runtime.Connect:70)


I do not understand what is going on here. Please help. 

Thank you.

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