<https://lh4.googleusercontent.com/-D0zGH4l66OM/UvrLFdrUzrI/AAAAAAAAEG8/fOYqXpZdzLg/s1600/Untitled.png>
It seems that Widgets aren't working in my install of 0.20.0-rc.2 either. 
This dashboard was created by the admin user, from a search "Total result 
histogram" that displays just fine on the Search page. The widgets are 
blank for admin as well as all other users. Each time I refresh the page I 
get the exception pasted in below. Is this possibly related to running 
graylog2 and graylog2-web-interface as root (I am just testing, I was 
planning on setting up with non-root users later.)

2014-02-11 17:08:00,486 ERROR: 
org.graylog2.plugin.rest.AnyExceptionClassMapper - Unhandled exception in 
REST resource
com.google.common.util.concurrent.UncheckedExecutionException: 
org.elasticsearch.action.search.SearchPhaseExecutionException: Failed to 
execute phase [query], all shards failed; shardFailures 
{[NdYBuihmRJWpyXUjoVW1ZQ][graylog2_0][2]: 
RemoteTransportException[[Giant-Man][inet[/172.16.36.66:9300]][search/phase/query]];
 
nested: SearchParseException[[graylog2_0][2]: from[-1],size[-1]: Parse 
Failure [Failed to parse source 
[{"query":{"query_string":{"query":"","allow_leading_wildcard":false}},"facets":{"histogram":{"date_histogram":{"field":"timestamp","interval":"minute"},"facet_filter":{"bool":{"must":{"range":{"timestamp":{"from":"2014-02-12
 
00:08:00.475","to":"2014-02-12 
01:08:00.475","include_lower":true,"include_upper":true}}}}}}}}]]]; nested: 
QueryParsingException[[graylog2_0] Failed to parse query []]; nested: 
ParseException[Cannot parse '': Encountered "<EOF>" at line 1, column 0.
Was expecting one of:
    <NOT> ...
    "+" ...
    "-" ...
    <BAREOPER> ...
    "(" ...
    "*" ...
    <QUOTED> ...
    <TERM> ...
    <PREFIXTERM> ...
    <WILDTERM> ...
    <REGEXPTERM> ...
    "[" ...
    "{" ...
    <NUMBER> ...
    <TERM> ...
    "*" ...
    ]; nested: ParseException[Encountered "<EOF>" at line 1, column 0.
Was expecting one of:
    <NOT> ...
    "+" ...
    "-" ...
    <BAREOPER> ...
    "(" ...
    "*" ...
    <QUOTED> ...
    <TERM> ...
    <PREFIXTERM> ...
    <WILDTERM> ...
    <REGEXPTERM> ...
    "[" ...
    "{" ...
    <NUMBER> ...
    <TERM> ...
    "*" ...
    ]; }{[NdYBuihmRJWpyXUjoVW1ZQ][graylog2_0][0]: 
RemoteTransportException[[Giant-Man][inet[/172.16.36.66:9300]][search/phase/query]];
 
nested: SearchParseException[[graylog2_0][0]: from[-1],size[-1]: Parse 
Failure [Failed to parse source 
[{"query":{"query_string":{"query":"","allow_leading_wildcard":false}},"facets":{"histogram":{"date_histogram":{"field":"timestamp","interval":"minute"},"facet_filter":{"bool":{"must":{"range":{"timestamp":{"from":"2014-02-12
 
00:08:00.475","to":"2014-02-12 
01:08:00.475","include_lower":true,"include_upper":true}}}}}}}}]]]; nested: 
QueryParsingException[[graylog2_0] Failed to parse query []]; nested: 
ParseException[Cannot parse '': Encountered "<EOF>" at line 1, column 0.
Was expecting one of:
    <NOT> ...
    "+" ...
    "-" ...
    <BAREOPER> ...
    "(" ...
    "*" ...
    <QUOTED> ...
    <TERM> ...
    <PREFIXTERM> ...
    <WILDTERM> ...
    <REGEXPTERM> ...
    "[" ...
    "{" ...
    <NUMBER> ...
    <TERM> ...
    "*" ...
    ]; nested: ParseException[Encountered "<EOF>" at line 1, column 0.
Was expecting one of:
    <NOT> ...
    "+" ...
    "-" ...
    <BAREOPER> ...
    "(" ...
    "*" ...
    <QUOTED> ...
    <TERM> ...
    <PREFIXTERM> ...
    <WILDTERM> ...
    <REGEXPTERM> ...
    "[" ...
    "{" ...
    <NUMBER> ...
    <TERM> ...
    "*" ...
    ]; }{[NdYBuihmRJWpyXUjoVW1ZQ][graylog2_0][3]: 
RemoteTransportException[[Giant-Man][inet[/172.16.36.66:9300]][search/phase/query]];
 
nested: SearchParseException[[graylog2_0][3]: from[-1],size[-1]: Parse 
Failure [Failed to parse source 
[{"query":{"query_string":{"query":"","allow_leading_wildcard":false}},"facets":{"histogram":{"date_histogram":{"field":"timestamp","interval":"minute"},"facet_filter":{"bool":{"must":{"range":{"timestamp":{"from":"2014-02-12
 
00:08:00.475","to":"2014-02-12 
01:08:00.475","include_lower":true,"include_upper":true}}}}}}}}]]]; nested: 
QueryParsingException[[graylog2_0] Failed to parse query []]; nested: 
ParseException[Cannot parse '': Encountered "<EOF>" at line 1, column 0.
Was expecting one of:
    <NOT> ...
    "+" ...
    "-" ...
    <BAREOPER> ...
    "(" ...
    "*" ...
    <QUOTED> ...
    <TERM> ...
    <PREFIXTERM> ...
    <WILDTERM> ...
    <REGEXPTERM> ...
    "[" ...
    "{" ...
    <NUMBER> ...
    <TERM> ...
    "*" ...
    ]; nested: ParseException[Encountered "<EOF>" at line 1, column 0.
Was expecting one of:
    <NOT> ...
    "+" ...
    "-" ...
    <BAREOPER> ...
    "(" ...
    "*" ...
    <QUOTED> ...
    <TERM> ...
    <PREFIXTERM> ...
    <WILDTERM> ...
    <REGEXPTERM> ...
    "[" ...
    "{" ...
    <NUMBER> ...
    <TERM> ...
    "*" ...
    ]; }{[NdYBuihmRJWpyXUjoVW1ZQ][graylog2_0][1]: 
RemoteTransportException[[Giant-Man][inet[/172.16.36.66:9300]][search/phase/query]];
 
nested: SearchParseException[[graylog2_0][1]: from[-1],size[-1]: Parse 
Failure [Failed to parse source 
[{"query":{"query_string":{"query":"","allow_leading_wildcard":false}},"facets":{"histogram":{"date_histogram":{"field":"timestamp","interval":"minute"},"facet_filter":{"bool":{"must":{"range":{"timestamp":{"from":"2014-02-12
 
00:08:00.475","to":"2014-02-12 
01:08:00.475","include_lower":true,"include_upper":true}}}}}}}}]]]; nested: 
QueryParsingException[[graylog2_0] Failed to parse query []]; nested: 
ParseException[Cannot parse '': Encountered "<EOF>" at line 1, column 0.
Was expecting one of:
    <NOT> ...
    "+" ...
    "-" ...
    <BAREOPER> ...
    "(" ...
    "*" ...
    <QUOTED> ...
    <TERM> ...
    <PREFIXTERM> ...
    <WILDTERM> ...
    <REGEXPTERM> ...
    "[" ...
    "{" ...
    <NUMBER> ...
    <TERM> ...
    "*" ...
    ]; nested: ParseException[Encountered "<EOF>" at line 1, column 0.
Was expecting one of:
    <NOT> ...
    "+" ...
    "-" ...
    <BAREOPER> ...
    "(" ...
    "*" ...
    <QUOTED> ...
    <TERM> ...
    <PREFIXTERM> ...
    <WILDTERM> ...
    <REGEXPTERM> ...
    "[" ...
    "{" ...
    <NUMBER> ...
    <TERM> ...
    "*" ...
    ]; }
        at 
com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2263)
        at com.google.common.cache.LocalCache.get(LocalCache.java:4000)
        at 
com.google.common.cache.LocalCache$LocalManualCache.get(LocalCache.java:4789)
        at 
org.graylog2.dashboards.widgets.DashboardWidget.getComputationResult(DashboardWidget.java:246)
        at 
org.graylog2.rest.resources.dashboards.DashboardsResource.widgetValue(DashboardsResource.java:381)
        at sun.reflect.GeneratedMethodAccessor77.invoke(Unknown Source)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:606)
        at 
org.glassfish.jersey.server.model.internal.ResourceMethodInvocationHandlerFactory$1.invoke(ResourceMethodInvocationHandlerFactory.java:81)
        at 
org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher$1.run(AbstractJavaResourceMethodDispatcher.java:151)
        at 
org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.invoke(AbstractJavaResourceMethodDispatcher.java:171)
        at 
org.glassfish.jersey.server.model.internal.JavaResourceMethodDispatcherProvider$ResponseOutInvoker.doDispatch(JavaResourceMethodDispatcherProvider.java:152)
        at 
org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.dispatch(AbstractJavaResourceMethodDispatcher.java:104)
        at 
org.glassfish.jersey.server.model.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:402)
        at 
org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:349)
        at 
org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:106)
        at 
org.glassfish.jersey.server.ServerRuntime$1.run(ServerRuntime.java:259)
        at org.glassfish.jersey.internal.Errors$1.call(Errors.java:271)
        at org.glassfish.jersey.internal.Errors$1.call(Errors.java:267)
        at org.glassfish.jersey.internal.Errors.process(Errors.java:315)
        at org.glassfish.jersey.internal.Errors.process(Errors.java:297)
        at org.glassfish.jersey.internal.Errors.process(Errors.java:267)
        at 
org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:318)
        at 
org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:236)
        at 
org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:1010)
        at 
org.graylog2.jersey.container.netty.NettyContainer.messageReceived(NettyContainer.java:275)
        at 
org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:70)
        at 
org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
        at 
org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:791)
        at 
org.jboss.netty.handler.stream.ChunkedWriteHandler.handleUpstream(ChunkedWriteHandler.java:142)
        at 
org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
        at 
org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:791)
        at 
org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:296)
        at 
org.jboss.netty.handler.codec.frame.FrameDecoder.unfoldAndFireMessageReceived(FrameDecoder.java:459)
        at 
org.jboss.netty.handler.codec.replay.ReplayingDecoder.callDecode(ReplayingDecoder.java:536)
        at 
org.jboss.netty.handler.codec.replay.ReplayingDecoder.messageReceived(ReplayingDecoder.java:435)
        at 
org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:70)
        at 
org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
        at 
org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:559)
        at 
org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:268)
        at 
org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:255)
        at 
org.jboss.netty.channel.socket.nio.NioWorker.read(NioWorker.java:88)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioWorker.process(AbstractNioWorker.java:108)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:318)
        at 
org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
        at 
org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
        at 
org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
        at 
org.jboss.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)
Caused by: org.elasticsearch.action.search.SearchPhaseExecutionException: 
Failed to execute phase [query], all shards failed; shardFailures 
{[NdYBuihmRJWpyXUjoVW1ZQ][graylog2_0][2]: 
RemoteTransportException[[Giant-Man][inet[/172.16.36.66:9300]][search/phase/query]];
 
nested: SearchParseException[[graylog2_0][2]: from[-1],size[-1]: Parse 
Failure [Failed to parse source 
[{"query":{"query_string":{"query":"","allow_leading_wildcard":false}},"facets":{"histogram":{"date_histogram":{"field":"timestamp","interval":"minute"},"facet_filter":{"bool":{"must":{"range":{"timestamp":{"from":"2014-02-12
 
00:08:00.475","to":"2014-02-12 
01:08:00.475","include_lower":true,"include_upper":true}}}}}}}}]]]; nested: 
QueryParsingException[[graylog2_0] Failed to parse query []]; nested: 
ParseException[Cannot parse '': Encountered "<EOF>" at line 1, column 0.
Was expecting one of:
    <NOT> ...
    "+" ...
    "-" ...
    <BAREOPER> ...
    "(" ...
    "*" ...
    <QUOTED> ...
    <TERM> ...
    <PREFIXTERM> ...
    <WILDTERM> ...
    <REGEXPTERM> ...
    "[" ...
    "{" ...
    <NUMBER> ...
    <TERM> ...
    "*" ...
    ]; nested: ParseException[Encountered "<EOF>" at line 1, column 0.
Was expecting one of:
    <NOT> ...
    "+" ...
    "-" ...
    <BAREOPER> ...
    "(" ...
    "*" ...
    <QUOTED> ...
    <TERM> ...
    <PREFIXTERM> ...
    <WILDTERM> ...
    <REGEXPTERM> ...
    "[" ...
    "{" ...
    <NUMBER> ...
    <TERM> ...
    "*" ...
    ]; }{[NdYBuihmRJWpyXUjoVW1ZQ][graylog2_0][0]: 
RemoteTransportException[[Giant-Man][inet[/172.16.36.66:9300]][search/phase/query]];
 
nested: SearchParseException[[graylog2_0][0]: from[-1],size[-1]: Parse 
Failure [Failed to parse source 
[{"query":{"query_string":{"query":"","allow_leading_wildcard":false}},"facets":{"histogram":{"date_histogram":{"field":"timestamp","interval":"minute"},"facet_filter":{"bool":{"must":{"range":{"timestamp":{"from":"2014-02-12
 
00:08:00.475","to":"2014-02-12 
01:08:00.475","include_lower":true,"include_upper":true}}}}}}}}]]]; nested: 
QueryParsingException[[graylog2_0] Failed to parse query []]; nested: 
ParseException[Cannot parse '': Encountered "<EOF>" at line 1, column 0.
Was expecting one of:
    <NOT> ...
    "+" ...
    "-" ...
    <BAREOPER> ...
    "(" ...
    "*" ...
    <QUOTED> ...
    <TERM> ...
    <PREFIXTERM> ...
    <WILDTERM> ...
    <REGEXPTERM> ...
    "[" ...
    "{" ...
    <NUMBER> ...
    <TERM> ...
    "*" ...
    ]; nested: ParseException[Encountered "<EOF>" at line 1, column 0.
Was expecting one of:
    <NOT> ...
    "+" ...
    "-" ...
    <BAREOPER> ...
    "(" ...
    "*" ...
    <QUOTED> ...
    <TERM> ...
    <PREFIXTERM> ...
    <WILDTERM> ...
    <REGEXPTERM> ...
    "[" ...
    "{" ...
    <NUMBER> ...
    <TERM> ...
    "*" ...
    ]; }{[NdYBuihmRJWpyXUjoVW1ZQ][graylog2_0][3]: 
RemoteTransportException[[Giant-Man][inet[/172.16.36.66:9300]][search/phase/query]];
 
nested: SearchParseException[[graylog2_0][3]: from[-1],size[-1]: Parse 
Failure [Failed to parse source 
[{"query":{"query_string":{"query":"","allow_leading_wildcard":false}},"facets":{"histogram":{"date_histogram":{"field":"timestamp","interval":"minute"},"facet_filter":{"bool":{"must":{"range":{"timestamp":{"from":"2014-02-12
 
00:08:00.475","to":"2014-02-12 
01:08:00.475","include_lower":true,"include_upper":true}}}}}}}}]]]; nested: 
QueryParsingException[[graylog2_0] Failed to parse query []]; nested: 
ParseException[Cannot parse '': Encountered "<EOF>" at line 1, column 0.
Was expecting one of:
    <NOT> ...
    "+" ...
    "-" ...
    <BAREOPER> ...
    "(" ...
    "*" ...
    <QUOTED> ...
    <TERM> ...
    <PREFIXTERM> ...
    <WILDTERM> ...
    <REGEXPTERM> ...
    "[" ...
    "{" ...
    <NUMBER> ...
    <TERM> ...
    "*" ...
    ]; nested: ParseException[Encountered "<EOF>" at line 1, column 0.
Was expecting one of:
    <NOT> ...
    "+" ...
    "-" ...
    <BAREOPER> ...
    "(" ...
    "*" ...
    <QUOTED> ...
    <TERM> ...
    <PREFIXTERM> ...
    <WILDTERM> ...
    <REGEXPTERM> ...
    "[" ...
    "{" ...
    <NUMBER> ...
    <TERM> ...
    "*" ...
    ]; }{[NdYBuihmRJWpyXUjoVW1ZQ][graylog2_0][1]: 
RemoteTransportException[[Giant-Man][inet[/172.16.36.66:9300]][search/phase/query]];
 
nested: SearchParseException[[graylog2_0][1]: from[-1],size[-1]: Parse 
Failure [Failed to parse source 
[{"query":{"query_string":{"query":"","allow_leading_wildcard":false}},"facets":{"histogram":{"date_histogram":{"field":"timestamp","interval":"minute"},"facet_filter":{"bool":{"must":{"range":{"timestamp":{"from":"2014-02-12
 
00:08:00.475","to":"2014-02-12 
01:08:00.475","include_lower":true,"include_upper":true}}}}}}}}]]]; nested: 
QueryParsingException[[graylog2_0] Failed to parse query []]; nested: 
ParseException[Cannot parse '': Encountered "<EOF>" at line 1, column 0.
Was expecting one of:
    <NOT> ...
    "+" ...
    "-" ...
    <BAREOPER> ...
    "(" ...
    "*" ...
    <QUOTED> ...
    <TERM> ...
    <PREFIXTERM> ...
    <WILDTERM> ...
    <REGEXPTERM> ...
    "[" ...
    "{" ...
    <NUMBER> ...
    <TERM> ...
    "*" ...
    ]; nested: ParseException[Encountered "<EOF>" at line 1, column 0.
Was expecting one of:
    <NOT> ...
    "+" ...
    "-" ...
    <BAREOPER> ...
    "(" ...
    "*" ...
    <QUOTED> ...
    <TERM> ...
    <PREFIXTERM> ...
    <WILDTERM> ...
    <REGEXPTERM> ...
    "[" ...
    "{" ...
    <NUMBER> ...
    <TERM> ...
    "*" ...
    ]; }
        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$4.handleException(SearchServiceTransportAction.java:222)
        at 
org.elasticsearch.transport.netty.MessageChannelHandler.handleException(MessageChannelHandler.java:181)
        at 
org.elasticsearch.transport.netty.MessageChannelHandler.handlerResponseError(MessageChannelHandler.java:171)
        at 
org.elasticsearch.transport.netty.MessageChannelHandler.messageReceived(MessageChannelHandler.java:123)
        at 
org.elasticsearch.common.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:70)
        at 
org.elasticsearch.common.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
        at 
org.elasticsearch.common.netty.channel.DefaultChannelPipeline$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)
        ... 3 more



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