Thanks Jochen,
increasing the timeout to 30 seconds solved the problem. Now the
System/Overview page displays correctly on the Graylog WebUI.
I will investigate if any particular errors appear on the server.log of
the nodes when that page is requested (it currently takes some 10
seconds to load... I have no idea if this is a reasonable time,
considering our setup).
Ciao
Lorenzo
Il 14/09/2015 16:51, Jochen Schalanda ha scritto:
Hi Lorenzo,
the error message you've seen ("[…] We expected HTTP 200, but got a
HTTP -1.") is usually a sign of a request timeout. By default the
request timeout for HTTP requests from the Graylog web interface to a
Graylog server node is 5 seconds and can be customized in the
configuration file of your Graylog web interface, see
https://github.com/Graylog2/graylog2-web-interface/blob/1.2.0/misc/graylog-web-interface.conf.example#L31-L32 for
details.
Of course it would also be interesting to find out why the request
worked in the past and is running into a timeout right now. You should
find some hints about this in your Graylog server node's log messages.
Cheers,
Jochen
On Monday, 14 September 2015 16:39:21 UTC+2, Lorenzo Marotta wrote:
Hello everyone,
i've been running Graylog (currently, version 1.1.6) on a three
node cluster for several months, and recently (i suspect, from
last week) the "System/Overview" page on the Web Interface has
stopped running.
The error is
*Reason:* Could not fetch system information. We expected
HTTP 200, but got a HTTP -1.
And the stack trace is
---cut---
* org.graylog2.restclient.lib.ApiClientImpl$ApiRequestBuilder#execute
(/ApiClientImpl.java:451/)
* org.graylog2.restclient.models.ClusterService#getNumberOfSystemMessages
(/ClusterService.java:128/)
* controllers.SystemController#index (/SystemController.java:69/)
*
Routes$$anonfun$routes$1$$anonfun$applyOrElse$41$$anonfun$apply$561#apply
(/routes_routing.scala:1931/)
*
Routes$$anonfun$routes$1$$anonfun$applyOrElse$41$$anonfun$apply$561#apply
(/routes_routing.scala:1931/)
* play.core.Router$HandlerInvokerFactory$$anon$4#resultCall
(/Router.scala:264/)
*
play.core.Router$HandlerInvokerFactory$JavaActionInvokerFactory$$anon$15$$anon$1#invocation
(/Router.scala:255/)
* play.core.j.JavaAction$$anon$1#call (/JavaAction.scala:55/)
* play.GlobalSettings$1#call (/GlobalSettings.java:67/)
* play.mvc.Security$AuthenticatedAction#call (/Security.java:44/)
* play.core.j.JavaAction$$anonfun$11#apply (/JavaAction.scala:82/)
* play.core.j.JavaAction$$anonfun$11#apply (/JavaAction.scala:82/)
* scala.concurrent.impl.Future$PromiseCompletingRunnable#liftedTree1$1
(/Future.scala:24/)
* scala.concurrent.impl.Future$PromiseCompletingRunnable#run
(/Future.scala:24/)
* play.core.j.HttpExecutionContext$$anon$2#run
(/HttpExecutionContext.scala:40/)
* play.api.libs.iteratee.Execution$trampoline$#execute
(/Execution.scala:46/)
* play.core.j.HttpExecutionContext#execute
(/HttpExecutionContext.scala:32/)
* scala.concurrent.impl.Future$#apply (/Future.scala:31/)
* scala.concurrent.Future$#apply (/Future.scala:485/)
* play.core.j.JavaAction$class#apply (/JavaAction.scala:82/)
*
play.core.Router$HandlerInvokerFactory$JavaActionInvokerFactory$$anon$15$$anon$1#apply
(/Router.scala:252/)
*
play.api.mvc.Action$$anonfun$apply$1$$anonfun$apply$4$$anonfun$apply$5#apply
(/Action.scala:130/)
*
play.api.mvc.Action$$anonfun$apply$1$$anonfun$apply$4$$anonfun$apply$5#apply
(/Action.scala:130/)
* play.utils.Threads$#withContextClassLoader (/Threads.scala:21/)
* play.api.mvc.Action$$anonfun$apply$1$$anonfun$apply$4#apply
(/Action.scala:129/)
* play.api.mvc.Action$$anonfun$apply$1$$anonfun$apply$4#apply
(/Action.scala:128/)
* scala.Option#map (/Option.scala:145/)
* play.api.mvc.Action$$anonfun$apply$1#apply (/Action.scala:128/)
* play.api.mvc.Action$$anonfun$apply$1#apply (/Action.scala:121/)
* play.api.libs.iteratee.Iteratee$$anonfun$mapM$1#apply
(/Iteratee.scala:483/)
* play.api.libs.iteratee.Iteratee$$anonfun$mapM$1#apply
(/Iteratee.scala:483/)
* play.api.libs.iteratee.Iteratee$$anonfun$flatMapM$1#apply
(/Iteratee.scala:519/)
* play.api.libs.iteratee.Iteratee$$anonfun$flatMapM$1#apply
(/Iteratee.scala:519/)
*
play.api.libs.iteratee.Iteratee$$anonfun$flatMap$1$$anonfun$apply$14#apply
(/Iteratee.scala:496/)
*
play.api.libs.iteratee.Iteratee$$anonfun$flatMap$1$$anonfun$apply$14#apply
(/Iteratee.scala:496/)
* scala.concurrent.impl.Future$PromiseCompletingRunnable#liftedTree1$1
(/Future.scala:24/)
* scala.concurrent.impl.Future$PromiseCompletingRunnable#run
(/Future.scala:24/)
* akka.dispatch.TaskInvocation#run (/AbstractDispatcher.scala:41/)
* akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask#exec
(/AbstractDispatcher.scala:393/)
* scala.concurrent.forkjoin.ForkJoinTask#doExec
(/ForkJoinTask.java:260/)
* scala.concurrent.forkjoin.ForkJoinPool$WorkQueue#runTask
(/ForkJoinPool.java:1339/)
* scala.concurrent.forkjoin.ForkJoinPool#runWorker
(/ForkJoinPool.java:1979/)
* scala.concurrent.forkjoin.ForkJoinWorkerThread#run
(/ForkJoinWorkerThread.java:107/)
---cut---
MongoDB runs as a replica set of 3 nodes, on the 3 servers which
also run graylog-server and graylog-web.
Apart from the unavailability of the system information,
everything seems to be OK.
I tried checking the configurationm files, and everything seems to
be OK; i've just reinstalled graylog-server and graylog-web on all
three nodes, but to no avail.
Has everyone here experienced a similar problem?
Could it be related with a corruption of the configuration data in
Mongodb? Just an idea...
The error appear on the web interface of all 3 nodes.
Long live and prosper,
Lorenzo
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