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https://issues.apache.org/jira/browse/KNOX-784?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15656908#comment-15656908
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Sumit Gupta commented on KNOX-784:
----------------------------------
The initial fix I put in is a temporary measure so that no one is blocked. I
will work on a better solution and commit it against this jira.
> java.lang.IllegalArgumentException: A metric named
> org.apache.http.conn.HttpClientConnectionManager.available-connections
> already exists
> -----------------------------------------------------------------------------------------------------------------------------------------
>
> Key: KNOX-784
> URL: https://issues.apache.org/jira/browse/KNOX-784
> Project: Apache Knox
> Issue Type: Bug
> Reporter: Nishant Bangarwa
> Assignee: Sumit Gupta
> Fix For: 0.11.0
>
>
> Facing this error on latest trunk version -
> Caused by: java.lang.IllegalArgumentException: A metric named
> org.apache.http.conn.HttpClientConnectionManager.available-connections
> already exists
> at
> com.codahale.metrics.MetricRegistry.register(MetricRegistry.java:91)
> at
> com.codahale.metrics.httpclient.InstrumentedHttpClientConnectionManager.<init>(InstrumentedHttpClientConnectionManager.java:63)
> at
> com.codahale.metrics.httpclient.InstrumentedHttpClientConnectionManager.<init>(InstrumentedHttpClientConnectionManager.java:49)
> at
> com.codahale.metrics.httpclient.InstrumentedHttpClientConnectionManager.<init>(InstrumentedHttpClientConnectionManager.java:41)
> at
> com.codahale.metrics.httpclient.InstrumentedHttpClientConnectionManager.<init>(InstrumentedHttpClientConnectionManager.java:36)
> at
> org.apache.hadoop.gateway.services.metrics.impl.instr.InstrHttpClientBuilderProvider.getInstrumented(InstrHttpClientBuilderProvider.java:41)
> at
> org.apache.hadoop.gateway.services.metrics.impl.instr.InstrHttpClientBuilderProvider.getInstrumented(InstrHttpClientBuilderProvider.java:36)
> at
> org.apache.hadoop.gateway.services.metrics.impl.DefaultMetricsService.getInstrumented(DefaultMetricsService.java:128)
> at
> org.apache.hadoop.gateway.dispatch.DefaultHttpClientFactory.createHttpClient(DefaultHttpClientFactory.java:67)
> at
> org.apache.hadoop.gateway.dispatch.GatewayDispatchFilter.init(GatewayDispatchFilter.java:75)
> at
> org.apache.hadoop.gateway.GatewayFilter$Holder.getInstance(GatewayFilter.java:362)
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