You need to start with a clean MongoDB and ElasticSearch when
migrating from Graylog2 v0.1x to v0.2x. Sorry about that - There are
migration paths for any future version but the step to v0.20 was just
too big.

On Fri, Mar 14, 2014 at 4:07 PM, Terron Williams
<[email protected]> wrote:
> Salutations Lennart,
>
> Thanks for your reply! I believe you are correct partner. I had an older
> installation on my system.
> Should I install the 0.20.1 fresh, or can I recover what I have?
>
> Cheers!
>
> Terron
>
>
> On Thursday, March 13, 2014 6:14:41 PM UTC-4, lennart wrote:
>>
>> Hey Terron,
>>
>> before we dig deeper into the issue: Could it be that you upgraded an
>> old Graylog2 installation to the 0.20 series?
>>
>> Thanks,
>> Lennart
>>
>> On Wed, Mar 12, 2014 at 4:45 PM, Terron Williams
>> <[email protected]> wrote:
>> > Friends,
>> >
>> > I just installed graylog2-server-0.20.1 & graylog2-web-interface-0.20.1,
>> > and
>> > when I perform a search from the Graylog web interface, I receive an
>> > exception. Please see below. Any ideas? Please forgive if this issue is
>> > previously known.
>> >
>> > Thanks much in advance!
>> >
>> > Terron
>> >
>> > <Load line Up>
>> > *graylog2-server-0.20.1
>> > *graylog2-web-interface-0.20.1
>> > *Linux version 2.6.32-431.5.1.el6.x86_64
>> > ([email protected]) (gcc version 4.4.7 20120313 (Red Hat
>> > 4.4.7-4) (GCC) ) #1 SMP Wed Feb 12 00:41:43 UTC 2014
>> > *java version "1.7.0_51"
>> > *rpm -qpil elasticsearch-0.90.10.noarch.rpm
>> > *MongoDB version: 2.4.9
>> >
>> > //graylog2-server-0.20.1 config
>> >
>> > grep -v "#" /etc/graylog2.conf | egrep -v "^[[:space:]]*$"
>> >
>> > *is_master = true
>> > *node_id_file = /etc/graylog2-server-node-id
>> > *password_secret =
>> >
>> > VrjK7vEqdABVMk93mDrW1WxcNzitWXOHzjJ3Mgzs6a3YnPqO5chfdn5xm7vtBAtxVl6jCilBXKLeIoV3rVNpNq7ZwTW0qjiY
>> > *root_password_sha2 =
>> > d2c3c5a9fa646162d110cda388a251171d65b4ddb1d74443c62fa7da6b56d31b
>> > * plugin_dir = plugin
>> > *rest_listen_uri = http://127.0.0.1:12900/
>> > *elasticsearch_max_docs_per_index = 20000000
>> > *elasticsearch_max_number_of_indices = 20
>> > *retention_strategy = delete
>> > *elasticsearch_shards = 1
>> > *elasticsearch_replicas = 0
>> > *elasticsearch_index_prefix = graylog2
>> > *allow_leading_wildcard_searches = false
>> > *elasticsearch_cluster_name = elasticsearch
>> > *elasticsearch_analyzer = standard
>> > *output_batch_size = 5000
>> > *processbuffer_processors = 5
>> > *outputbuffer_processors = 5
>> > *processor_wait_strategy = blocking
>> > *ring_size = 1024
>> > *dead_letters_enabled = false
>> > *mongodb_useauth = false
>> > *mongodb_host = 127.0.0.1
>> > *mongodb_database = graylog2
>> > *mongodb_port = 27017
>> > *mongodb_max_connections = 100
>> > *mongodb_threads_allowed_to_block_multiplier = 5
>> > *transport_email_enabled = false
>> > *transport_email_hostname = mail.example.com
>> > *transport_email_port = 587
>> > *transport_email_use_auth = true
>> > *transport_email_use_tls = true
>> > *transport_email_use_ssl = true
>> > *transport_email_auth_username = [email protected]
>> > *transport_email_auth_password = secret
>> > *transport_email_subject_prefix = [graylog2]
>> > *transport_email_from_email = [email protected]
>> >
>> > //graylog2-web-interface-0.20.1 config
>> >
>> > # grep -v "#"
>> >
>> > /root/Downloads/graylog2-web-interface-0.20.1/conf/graylog2-web-interface.conf
>> > | egrep -v "^[[:space:]]*$"
>> >
>> > *graylog2-server.uris="http://127.0.0.1:12900/";
>> >
>> > *application.secret=gnBBVpVKWMoS2NlWBlQhcwPdeB3qJyK9f1axCLkYCOPAlDVV2ztkeNuOmfLxH2hziyBLwQbvLetZMM5LKTWhFRFM7CSzjNQE
>> > *field_list_limit=0
>> > *application.global=lib.Global
>> >
>> > //Starting graylog server
>> >
>> > tail -f graylog2-server.log
>> >         at
>> >
>> > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>> >          at java.lang.Thread.run(Thread.java:744)
>> > 2014-03-11 14:21:54,191 INFO : org.graylog2.Main - Graylog2 0.20.1
>> > starting
>> > up. (JRE: Oracle Corporation 1.7.0_51 on Linux
>> > 2.6.32-431.5.1.el6.x86_64)
>> > 2014-03-11 14:21:54,662 INFO : org.graylog2.plugin.system.NodeId - Node
>> > ID:
>> > bcfdcd43-addc-451f-bca4-2d88852ccb09
>> >  2014-03-11 14:21:54,664 INFO : org.graylog2.Core - No
>> > rest_transport_uri
>> > set. Falling back to [http://172.17.23.157:12900].
>> > 2014-03-11 14:21:56,208 INFO : org.graylog2.buffers.ProcessBuffer -
>> > Initialized ProcessBuffer with ring size <1024> and wait strategy
>> > <BlockingWaitStrategy>.
>> >  2014-03-11 14:21:56,228 INFO : org.graylog2.buffers.OutputBuffer -
>> > Initialized OutputBuffer with ring size <1024> and wait strategy
>> > <BlockingWaitStrategy>.
>> > 2014-03-11 14:21:58,700 INFO : org.elasticsearch.node -
>> > [graylog2-server]
>> > version[0.90.10], pid[3171], build[0a5781f/2014-01-10T10:18:37Z]
>> >  2014-03-11 14:21:58,700 INFO : org.elasticsearch.node -
>> > [graylog2-server]
>> > initializing ...
>> > 2014-03-11 14:21:58,853 INFO : org.elasticsearch.plugins -
>> > [graylog2-server]
>> > loaded [], sites []
>> > 2014-03-11 14:22:09,571 INFO : org.elasticsearch.node -
>> > [graylog2-server]
>> > initialized
>> >  2014-03-11 14:22:09,571 INFO : org.elasticsearch.node -
>> > [graylog2-server]
>> > starting ...
>> > 2014-03-11 14:22:09,711 INFO : org.elasticsearch.transport -
>> > [graylog2-server] bound_address {inet[/0:0:0:0:0:0:0:0:9350]},
>> > publish_address {inet[/10.22.23.48:9350]}
>> >  2014-03-11 14:22:12,734 WARN : org.elasticsearch.discovery -
>> > [graylog2-server] waited for 3s and no initial state was set by the
>> > discovery
>> > 2014-03-11 14:22:12,734 INFO : org.elasticsearch.discovery -
>> > [graylog2-server] elasticsearch/BzASbvxgRS-xxP1bfMLxkA
>> >  2014-03-11 14:22:12,735 INFO : org.elasticsearch.node -
>> > [graylog2-server]
>> > started
>> > 2014-03-11 14:22:12,971 INFO : org.elasticsearch.cluster.service -
>> > [graylog2-server] detected_master
>> > [graylog2-server][VWdvN_zxRtiWuRFdwz0kcw][inet[/10.22.23.48:9300]],
>> > added
>> > {[graylog2-server][VWdvN_zxRtiWuRFdwz0kcw][inet[/10.22.23.48:9300]],},
>> > reason: zen-disco-receive(from master
>> > [[graylog2-server][VWdvN_zxRtiWuRFdwz0kcw][inet[/10.22.23.48:9300]]])
>> >  2014-03-11 14:22:13,912 INFO : org.graylog2.Core - Setting up
>> > deflector.
>> > 2014-03-11 14:22:13,928 INFO : org.graylog2.indexer.Deflector - Found
>> > deflector alias <graylog2_deflector>. Using it.
>> > 2014-03-11 14:22:13,956 INFO :
>> > org.graylog2.initializers.DroolsInitializer -
>> > Not using rules
>> >  2014-03-11 14:22:13,957 INFO : org.graylog2.initializers.Initializers -
>> > Initialized initializer <org.graylog2.initializers.DroolsInitializer>.
>> > 2014-03-11 14:22:13,963 INFO : org.graylog2.initializers.Initializers -
>> > Initialized initializer
>> > <org.graylog2.initializers.HostCounterCacheWriterInitializer>.
>> >  2014-03-11 14:22:13,969 INFO : org.graylog2.initializers.Initializers -
>> > Initialized initializer
>> > <org.graylog2.initializers.ThroughputCounterInitializer>.
>> > 2014-03-11 14:22:13,971 INFO : org.graylog2.initializers.Initializers -
>> > Initialized initializer <org.graylog2.initializers.NodePingInitializer>.
>> >  2014-03-11 14:22:13,973 INFO : org.graylog2.initializers.Initializers -
>> > Initialized initializer
>> > <org.graylog2.initializers.AlarmScannerInitializer>.
>> > 2014-03-11 14:22:13,974 INFO : org.graylog2.initializers.Initializers -
>> > Initialized initializer
>> > <org.graylog2.initializers.DeflectorThreadsInitializer>.
>> >  2014-03-11 14:22:13,976 INFO : org.graylog2.initializers.Initializers -
>> > Initialized initializer
>> > <org.graylog2.initializers.AnonymousInformationCollectorInitializer>.
>> > 2014-03-11 14:22:13,986 INFO : org.graylog2.initializers.Initializers -
>> > Initialized initializer
>> > <org.graylog2.initializers.IndexRetentionInitializer>.
>> >  2014-03-11 14:22:13,992 INFO : org.graylog2.initializers.Initializers -
>> > Initialized initializer
>> > <org.graylog2.initializers.MasterCacheWorkersInitializer>.
>> > 2014-03-11 14:22:13,998 INFO : org.graylog2.initializers.Initializers -
>> > Initialized initializer
>> > <org.graylog2.initializers.ClusterHealthCheckInitializer>.
>> >  2014-03-11 14:22:14,005 INFO : org.graylog2.initializers.Initializers -
>> > Initialized initializer
>> > <org.graylog2.initializers.StreamThroughputCounterInitializer>.
>> > 2014-03-11 14:22:14,244 INFO : org.graylog2.initializers.Initializers -
>> > Initialized initializer
>> > <org.graylog2.initializers.VersionCheckInitializer>.
>> >  2014-03-11 14:22:14,281 INFO : org.graylog2.initializers.Initializers -
>> > Initialized initializer
>> > <org.graylog2.initializers.DeadLetterInitializer>.
>> > 2014-03-11 14:22:14,281 INFO : org.graylog2.outputs.OutputRegistry -
>> > Initialized output <org.graylog2.outputs.ElasticSearchOutput>.
>> >  2014-03-11 14:22:14,677 INFO : org.graylog2.inputs.InputRegistry -
>> > Starting
>> > [org.graylog2.inputs.syslog.udp.SyslogUDPInput] input with ID
>> > <531f55d00cf2d233ccd13197>
>> > 2014-03-11 14:22:15,393 INFO :
>> > org.graylog2.inputs.syslog.udp.SyslogUDPInput
>> > - Started syslog UDP input server on /0.0.0.0:514
>> >  2014-03-11 14:22:15,703 INFO : org.graylog2.inputs.InputRegistry -
>> > Completed starting [org.graylog2.inputs.syslog.udp.SyslogUDPInput] input
>> > with ID <531f55d00cf2d233ccd13197>
>> >
>> > //Starting web interface
>> >
>> > [root@debugger graylog2-web-interface-0.20.1]#
>> > bin/graylog2-web-interface
>> > Play server process ID is 3380
>> > [debug] application - Loading timeout value into cache from
>> > configuration
>> > for key DEFAULT: Not configured, falling back to default.
>> >  [debug] application - Loading timeout value into cache from
>> > configuration
>> > for key node_refresh: Not configured, falling back to default.
>> > [info] play - Application started (Prod)
>> > [info] play - Listening for HTTP on /0:0:0:0:0:0:0:0:9000
>> >
>> > //Logged into web interface- Cool
>> >
>> > //Added syslog input attributes and confirmed event data is being
>> > received
>> >
>> > //Perform search query and exception occurs
>> >
>> > //Exception caught in graylog2-server.log when trying to search
>> >
>> > 2014-03-11 13:31:49,413 ERROR:
>> > org.graylog2.plugin.rest.AnyExceptionClassMapper - Unhandled exception
>> > in
>> > REST resource
>> >  org.elasticsearch.action.search.SearchPhaseExecutionException: Failed
>> > to
>> > execute phase [query_fetch], all shards failed; shardFailures
>> > {[P3vhBBg-RTOVoNl2prjj8Q][graylog2_0][0]:
>> >
>> > RemoteTransportException[[Bela][inet[/10.22.23.48:9301]][search/phase/query+fetch]];
>> > nested: SearchParseException[[graylog2_0][0]:
>> > query[_all:tgb],from[-1],size[-1]: Parse Failure [Failed to parse source
>> >
>> > [{"query":{"query_string":{"query":"tgb","allow_leading_wildcard":false}},"facets":{"histogram":{"date_histogram":{"field":"timestamp","interval":"minute"},"facet_filter":{"bool":{"must":{"range":{"timestamp":{"from":"2014-03-11
>> > 18:26:49.407","to":"2014-03-11
>> > 18:31:49.407","include_lower":true,"include_upper":true}}}}}}}}]]];
>> > nested:
>> >
>> > ClassCastException[org.elasticsearch.index.fielddata.plain.PagedBytesIndexFieldData
>> > cannot be cast to
>> > org.elasticsearch.index.fielddata.IndexNumericFieldData];
>> > }
>> >          at
>> >
>> > org.elasticsearch.action.search.type.TransportSearchTypeAction$BaseAsyncAction.onFirstPhaseResult(TransportSearchTypeAction.java:272)
>> >         at
>> >
>> > org.elasticsearch.action.search.type.TransportSearchTypeAction$BaseAsyncAction$3.onFailure(TransportSearchTypeAction.java:224)
>> >          at
>> >
>> > org.elasticsearch.search.action.SearchServiceTransportAction$7.handleException(SearchServiceTransportAction.java:324)
>> >         at
>> >
>> > org.elasticsearch.transport.netty.MessageChannelHandler.handleException(MessageChannelHandler.java:181)
>> >          at
>> >
>> > org.elasticsearch.transport.netty.MessageChannelHandler.handlerResponseError(MessageChannelHandler.java:171)
>> >         at
>> >
>> > org.elasticsearch.transport.netty.MessageChannelHandler.messageReceived(MessageChannelHandler.java:123)
>> >          at
>> >
>> > org.elasticsearch.common.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:70)
>> >         at
>> >
>> > org.elasticsearch.common.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
>> >          at
>> >
>> > org.elasticsearch.common.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:791)
>> >         at
>> >
>> > org.elasticsearch.common.netty.channel.Channels.fireMessageReceived(Channels.java:296)
>> >          at
>> >
>> > org.elasticsearch.common.netty.handler.codec.frame.FrameDecoder.unfoldAndFireMessageReceived(FrameDecoder.java:462)
>> >         at
>> >
>> > org.elasticsearch.common.netty.handler.codec.frame.FrameDecoder.callDecode(FrameDecoder.java:443)
>> >          at
>> >
>> > org.elasticsearch.common.netty.handler.codec.frame.FrameDecoder.messageReceived(FrameDecoder.java:303)
>> >         at
>> >
>> > org.elasticsearch.common.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:70)
>> >          at
>> >
>> > org.elasticsearch.common.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
>> >         at
>> >
>> > org.elasticsearch.common.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:559)
>> >          at
>> >
>> > org.elasticsearch.common.netty.channel.Channels.fireMessageReceived(Channels.java:268)
>> >         at
>> >
>> > org.elasticsearch.common.netty.channel.Channels.fireMessageReceived(Channels.java:255)
>> >         at
>> >
>> > org.elasticsearch.common.netty.channel.socket.nio.NioWorker.read(NioWorker.java:88)
>> >          at
>> >
>> > org.elasticsearch.common.netty.channel.socket.nio.AbstractNioWorker.process(AbstractNioWorker.java:108)
>> >         at
>> >
>> > org.elasticsearch.common.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:318)
>> >          at
>> >
>> > org.elasticsearch.common.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
>> >         at
>> >
>> > org.elasticsearch.common.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
>> >         at
>> >
>> > org.elasticsearch.common.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
>> >          at
>> >
>> > org.elasticsearch.common.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
>> >         at
>> >
>> > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>> >         at
>> >
>> > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>> >          at java.lang.Thread.run(Thread.java:744)
>> >
>> > //Web Interface Error reported:
>> >
>> >   (You caused a lib.APIException. API call failed GET
>> >
>> > http://@172.17.23.157:12900/search/universal/relative/histogram?interval=minute&query=tgb&range=300&range_type=relative&filter=*
>> > returned 500 Internal Server Error body: Failed to execute phase
>> > [query_fetch], all shards failed; shardFailures
>> > {[VWdvN_zxRtiWuRFdwz0kcw][graylog2_0][0]:
>> >
>> > RemoteTransportException[[graylog2-server][inet[/10.22.23.48:9300]][search/phase/query+fetch]];
>> > nested: SearchParseException[[graylog2_0][0]:
>> > query[_all:tgb],from[-1],size[-1]: Parse Failure [Failed to parse source
>> >
>> > [{"query":{"query_string":{"query":"tgb","allow_leading_wildcard":false}},"facets":{"histogram":{"date_histogram":{"field":"timestamp","interval":"minute"},"facet_filter":{"bool":{"must":{"range":{"timestamp":{"from":"2014-03-11
>> > 19:22:10.221","to":"2014-03-11
>> > 19:27:10.222","include_lower":true,"include_upper":true}}}}}}}}]]];
>> > nested:
>> >
>> > ClassCastException[org.elasticsearch.index.fielddata.plain.PagedBytesIndexFieldData
>> > cannot be cast to
>> > org.elasticsearch.index.fielddata.IndexNumericFieldData];
>> > } org.elasticsearch.action.search.SearchPhaseExecutionException: Failed
>> > to
>> > execute phase [query_fetch], all shards failed; shardFailures
>> > {[VWdvN_zxRtiWuRFdwz0kcw][graylog2_0][0]:
>> >
>> > RemoteTransportException[[graylog2-server][inet[/10.22.23.48:9300]][search/phase/query+fetch]];
>> > nested: SearchParseException[[graylog2_0][0]:
>> > query[_all:tgb],from[-1],size[-1]: Parse Failure [Failed to parse source
>> >
>> > [{"query":{"query_string":{"query":"tgb","allow_leading_wildcard":false}},"facets":{"histogram":{"date_histogram":{"field":"timestamp","interval":"minute"},"facet_filter":{"bool":{"must":{"range":{"timestamp":{"from":"2014-03-11
>> > 19:22:10.221","to":"2014-03-11
>> > 19:27:10.222","include_lower":true,"include_upper":true}}}}}}}}]]];
>> > nested:
>> >
>> > ClassCastException[org.elasticsearch.index.fielddata.plain.PagedBytesIndexFieldData
>> > cannot be cast to
>> > org.elasticsearch.index.fielddata.IndexNumericFieldData];
>> > } at
>> >
>> > org.elasticsearch.action.search.type.TransportSearchTypeAction$BaseAsyncAction.onFirstPhaseResult(TransportSearchTypeAction.java:272)
>> > at
>> >
>> > org.elasticsearch.action.search.type.TransportSearchTypeAction$BaseAsyncAction$3.onFailure(TransportSearchTypeAction.java:224)
>> > at
>> >
>> > org.elasticsearch.search.action.SearchServiceTransportAction$7.handleException(SearchServiceTransportAction.java:324)
>> > at
>> >
>> > org.elasticsearch.transport.netty.MessageChannelHandler.handleException(MessageChannelHandler.java:181)
>> > at
>> >
>> > org.elasticsearch.transport.netty.MessageChannelHandler.handlerResponseError(MessageChannelHandler.java:171)
>> > at
>> >
>> > org.elasticsearch.transport.netty.MessageChannelHandler.messageReceived(MessageChannelHandler.java:123)
>> > at
>> >
>> > org.elasticsearch.common.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:70)
>> > at
>> >
>> > org.elasticsearch.common.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
>> > at
>> >
>> > org.elasticsearch.common.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:791)
>> > at
>> >
>> > org.elasticsearch.common.netty.channel.Channels.fireMessageReceived(Channels.java:296)
>> > at
>> >
>> > org.elasticsearch.common.netty.handler.codec.frame.FrameDecoder.unfoldAndFireMessageReceived(FrameDecoder.java:462)
>> > at
>> >
>> > org.elasticsearch.common.netty.handler.codec.frame.FrameDecoder.callDecode(FrameDecoder.java:443)
>> > at
>> >
>> > org.elasticsearch.common.netty.handler.codec.frame.FrameDecoder.messageReceived(FrameDecoder.java:303)
>> > at
>> >
>> > org.elasticsearch.common.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:70)
>> > at
>> >
>> > org.elasticsearch.common.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
>> > at
>> >
>> > org.elasticsearch.common.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:559)
>> > at
>> >
>> > org.elasticsearch.common.netty.channel.Channels.fireMessageReceived(Channels.java:268)
>> > at
>> >
>> > org.elasticsearch.common.netty.channel.Channels.fireMessageReceived(Channels.java:255)
>> > at
>> >
>> > org.elasticsearch.common.netty.channel.socket.nio.NioWorker.read(NioWorker.java:88)
>> > at
>> >
>> > org.elasticsearch.common.netty.channel.socket.nio.AbstractNioWorker.process(AbstractNioWorker.java:108)
>> > at
>> >
>> > org.elasticsearch.common.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:318)
>> > at
>> >
>> > org.elasticsearch.common.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
>> > at
>> >
>> > org.elasticsearch.common.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
>> > at
>> >
>> > org.elasticsearch.common.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
>> > at
>> >
>> > org.elasticsearch.common.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
>> > at
>> >
>> > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>> > at
>> >
>> > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>> > at java.lang.Thread.run(Thread.java:744) )
>> >
>> > //Stack trace
>> >
>> > Stacktrace
>> > lib.ApiClientImpl$ApiRequestBuilder#execute (ApiClientImpl.java:372)
>> > models.UniversalSearch#dateHistogram (UniversalSearch.java:148)
>> >  controllers.SearchController#index (SearchController.java:93)
>> > Routes$$anonfun$routes$1$$anonfun$applyOrElse$7$$anonfun$apply$19#apply
>> > (routes_routing.scala:657)
>> > Routes$$anonfun$routes$1$$anonfun$applyOrElse$7$$anonfun$apply$19#apply
>> > (routes_routing.scala:657)
>> >  play.core.Router$HandlerInvoker$$anon$7$$anon$2#invocation
>> > (Router.scala:183)
>> > play.core.Router$Routes$$anon$1#invocation (Router.scala:377)
>> > play.core.j.JavaAction$$anon$1#call (JavaAction.scala:56)
>> > play.GlobalSettings$1#call (GlobalSettings.java:64)
>> >  play.mvc.Security$AuthenticatedAction#call (Security.java:45)
>> > play.core.j.JavaAction$$anon$3#apply (JavaAction.scala:91)
>> > play.core.j.JavaAction$$anon$3#apply (JavaAction.scala:90)
>> > play.core.j.FPromiseHelper$$anonfun$flatMap$1#apply
>> > (FPromiseHelper.scala:82)
>> >  play.core.j.FPromiseHelper$$anonfun$flatMap$1#apply
>> > (FPromiseHelper.scala:82)
>> > scala.concurrent.Future$$anonfun$flatMap$1#apply (Future.scala:251)
>> > scala.concurrent.Future$$anonfun$flatMap$1#apply (Future.scala:249)
>> >  scala.concurrent.impl.CallbackRunnable#run (Promise.scala:32)
>> > play.core.j.HttpExecutionContext$$anon$2#run
>> > (HttpExecutionContext.scala:37)
>> > akka.dispatch.TaskInvocation#run (AbstractDispatcher.scala:42)
>> > akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask#exec
>> > (AbstractDispatcher.scala:386)
>> >  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)
>> >
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