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[perfsonar-user] HTTP proxy error in maddash central server


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  • From: Adil Zahir <>
  • To: "" <>
  • Cc: Italo Da Silva Brito <>, Renata Frez <>
  • Subject: [perfsonar-user] HTTP proxy error in maddash central server
  • Date: Wed, 8 Apr 2020 21:49:48 +0000
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Hi all,

 

We have a central MA with Maddash after we updated SSL certification and for some reason it throws errors like this in /var/log/httpd/error_log.

 

[Wed Apr 08 10:40:06.022196 2020] [proxy_http:error] [pid 11445] (70007)The timeout specified has expired: [client.X.X.X:48640] AH01102: error reading status line from remote server localhost:8881

[Wed Apr 08 10:40:06.022345 2020] [proxy:error] [pid 11445] [client.X.X:48640] AH00898: Error reading from remote server returned by /maddash/grids/ +-+Ping+Loss/10.7.27.2/10.7.27.1/Loss

[Wed Apr 08 10:40:07.547192 2020] [proxy_http:error] [pid 9948] (70007)The timeout specified has expired: [client X.X.X.X:49006] AH01102: error reading status line from remote server localhost:8881

[Wed Apr 08 10:40:07.547242 2020] [proxy:error] [pid 9948] [client X.X.X.X:49006] AH00898: Error reading from remote server returned by /maddash/grids/ Ping+Loss/10.7.27.1/10.7.27.2/Loss

 

 

That error is because Apache can’t connect to the local maddash-server process, but after restarting httpd and maddash it seems the previous errors have gone.

 

Here the log of /var/log/maddash/maddash-server.out

 

JarClassLoader: Warning: com/mchange/v1/identicator/IdHashKey.class in lib/mchange-commons-java-0.2.11.jar is hidden by lib/c3p0-0.9.1.1.jar (with different bytecode)

JarClassLoader: Warning: com/mchange/v2/log/FallbackMLog$1.class in lib/mchange-commons-java-0.2.11.jar is hidden by lib/c3p0-0.9.1.1.jar (with different bytecode)

JarClassLoader: Warning: com/mchange/v1/identicator/IdWeakHashMap$1.class in lib/mchange-commons-java-0.2.11.jar is hidden by lib/c3p0-0.9.1.1.jar (with different bytecode)

JarClassLoader: Warning: com/mchange/v2/codegen/bean/PropertyBeanGenerator.class in lib/mchange-commons-java-0.2.11.jar is hidden by lib/c3p0-0.9.1.1.jar (with different bytecode)

JarClassLoader: Warning: com/mchange/v2/async/Queuable.class in lib/mchange-commons-java-0.2.11.jar is hidden by lib/c3p0-0.9.1.1.jar (with different bytecode)

JarClassLoader: Warning: com/mchange/v2/util/DoubleWeakHashMap$UserEntry.class in lib/mchange-commons-java-0.2.11.jar is hidden by lib/c3p0-0.9.1.1.jar (with different bytecode)

JarClassLoader: Warning: com/mchange/v2/codegen/bean/PropertyComparator.class in lib/mchange-commons-java-0.2.11.jar is hidden by lib/c3p0-0.9.1.1.jar (with different bytecode)

JarClassLoader: Warning: com/mchange/v2/encounter/EqualityEncounterCounter.class in lib/mchange-commons-java-0.2.11.jar is hidden by lib/c3p0-0.9.1.1.jar (with different bytecode)

JarClassLoader: Warning: com/mchange/v2/coalesce/CoalesceChecker.class in lib/mchange-commons-java-0.2.11.jar is hidden by lib/c3p0-0.9.1.1.jar (with different bytecode)

JarClassLoader: Warning: com/mchange/v2/ser/IndirectPolicy.class in lib/mchange-commons-java-0.2.11.jar is hidden by lib/c3p0-0.9.1.1.jar (with different bytecode)

JarClassLoader: Warning: com/mchange/v2/log/log4j/Log4jMLog$Log4jMLogger.class in lib/mchange-commons-java-0.2.11.jar is hidden by lib/c3p0-0.9.1.1.jar (with different bytecode)

JarClassLoader: Warning: com/mchange/v2/sql/filter/RecreatePackage.class in lib/mchange-commons-java-0.2.11.jar is hidden by lib/c3p0-0.9.1.1.jar (with different bytecode)

JarClassLoader: Warning: com/mchange/v2/cfg/CombinedMultiPropertiesConfig.class in lib/mchange-commons-java-0.2.11.jar is hidden by lib/c3p0-0.9.1.1.jar (with different bytecode)

JarClassLoader: Warning: com/mchange/v2/holders/ChangeNotifyingSynchronizedIntHolder.class in lib/mchange-commons-java-0.2.11.jar is hidden by lib/c3p0-0.9.1.1.jar (with different bytecode)

SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".

SLF4J: Defaulting to no-operation (NOP) logger implementation

SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details.

Apr 08, 2020 4:15:10 PM org.glassfish.grizzly.http.server.NetworkListener start

INFO: Started listener bound to [localhost:8881]

Apr 08, 2020 4:15:10 PM org.glassfish.grizzly.http.server.HttpServer start

INFO: [HttpServer] Started.

 

 

 

I want ask you how can we troubleshoot this error to get more information.

 

 

 

Regards,

Adil Zahir

 

 

 

 

 

 

 

 


  • [perfsonar-user] HTTP proxy error in maddash central server, Adil Zahir, 04/08/2020

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