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From "Hubert, Eric" <Eric.Hub...@foxmobile.com>
Subject RE: HttpCoreNIOListener$1 - System may be unstable: IOReactor encountered a runtime exception : null
Date Tue, 28 Apr 2009 17:53:27 GMT
Hi all,

Hmmm, I'm actually not sure, if the issue pointed out by Paul is really the cause of the problem.

Too me it looks like the status line of an HTTP request is parsed by the BasicLineParse which
throws an exception complaining about an invalid protocol version (consisting of protocol
name, separator and major.minor).

According to the output read from the buffer, this string is: " HTTP\1.1"
I'm not completely sure, but I guess the trailing space will be skipped, but what about the
separator "\". Shouldn't this be "/"?

If the character followed by the protocol name (HTTP) is not "/" this exception will be thrown.
Any possibility "/" changes to "\" at some point?

Regards,
   Eric



> -----Original Message-----
> From: Paul Fremantle [mailto:pzfreo@gmail.com]
> Sent: Tuesday, April 28, 2009 6:32 PM
> To: dev@synapse.apache.org
> Subject: Re: HttpCoreNIOListener$1 - System may be unstable: IOReactor
> encountered a runtime exception : null
> 
> Murali
> 
> Its probably this:
> 
> https://issues.apache.org/jira/browse/SYNAPSE-341
> 
> Paul
> 
> On Tue, Apr 28, 2009 at 3:39 PM, cmurali <chakravarthym@sddc.army.mil>
> wrote:
> >
> > I am seeing the following in my synapse log after which the server
> becomes
> > non-responsive. I have no other go except to just restart synapse. Is
> there
> > any fix for this?
> >
> > Thanks,
> > Muralidaran Chakravarthy
> >
> >
> > INFO   | jvm 1    | 2009/04/27 18:17:11 | [I/O dispatcher 3] DEBUG
> > LoggingNHttpServiceHandler - HTTP connection [/144.100.83.31:1095]: GET
> /?
> > HTTP/1.0
> > INFO   | jvm 1    | 2009/04/27 18:17:11 | [I/O dispatcher 4] DEBUG
> > LoggingNHttpServiceHandler - HTTP connection [/144.100.83.31:1094]:
> > Connected
> > INFO   | jvm 1    | 2009/04/27 18:17:11 | [I/O dispatcher 3] DEBUG
> > LoggingNHttpServiceHandler - HTTP connection [/144.100.83.31:1091]: GET
> /?
> > HTTP/1.1
> > INFO   | jvm 1    | 2009/04/27 18:17:11 | [I/O dispatcher 4] ERROR
> > LoggingNHttpServiceHandler - HTTP connection [/144.100.83.31:1092]: Not
> a
> > valid protocol version:  HTTP\1.1
> > INFO   | jvm 1    | 2009/04/27 18:17:11 |
> org.apache.http.ProtocolException:
> > Not a valid protocol version:  HTTP\1.1
> > INFO   | jvm 1    | 2009/04/27 18:17:11 |       at
> >
> org.apache.http.impl.nio.codecs.AbstractMessageParser.parse(AbstractMessag
> eParser.java:159)
> > INFO   | jvm 1    | 2009/04/27 18:17:11 |       at
> >
> org.apache.http.impl.nio.DefaultNHttpServerConnection.consumeInput(Default
> NHttpServerConnection.java:114)
> > INFO   | jvm 1    | 2009/04/27 18:17:11 |       at
> >
> org.apache.synapse.transport.nhttp.PlainServerIOEventDispatch.inputReady(P
> lainServerIOEventDispatch.java:69)
> > INFO   | jvm 1    | 2009/04/27 18:17:11 |       at
> >
> org.apache.http.impl.nio.reactor.BaseIOReactor.readable(BaseIOReactor.java
> :85)
> > INFO   | jvm 1    | 2009/04/27 18:17:11 |       at
> >
> org.apache.http.impl.nio.reactor.AbstractIOReactor.processEvent(AbstractIO
> Reactor.java:177)
> > INFO   | jvm 1    | 2009/04/27 18:17:11 |       at
> >
> org.apache.http.impl.nio.reactor.BaseIOReactor.processEvent(BaseIOReactor.
> java:66)
> > INFO   | jvm 1    | 2009/04/27 18:17:11 | [I/O dispatcher 3] DEBUG
> > LoggingNHttpServiceHandler - HTTP connection [/144.100.83.31:1085]:
> > Connected
> > INFO   | jvm 1    | 2009/04/27 18:17:11 | [I/O dispatcher 3] DEBUG
> > LoggingNHttpServiceHandler - HTTP connection [/144.100.83.31:1085]: GET
> /?
> > HTTP/1.0 INFO   | jvm 1    | 2009/04/27 18:17:11 | [I/O dispatcher 4]
> DEBUG
> > LoggingNHttpServiceHandler - HTTP connection [/144.100.83.31:1084]:
> > Connected
> > INFO   | jvm 1    | 2009/04/27 18:17:11 | [I/O dispatcher 4] DEBUG
> > LoggingNHttpServiceHandler - HTTP connection [/144.100.83.31:1084]: GET
> /?
> > HTTP/1.0 INFO   | jvm 1    | 2009/04/27 18:17:11 | [I/O dispatcher 3]
> DEBUG
> > LoggingNHttpServiceHandler - HTTP connection [/144.100.83.31:1085]:
> Output
> > ready
> > INFO   | jvm 1    | 2009/04/27 18:17:11 | [I/O dispatcher 3] DEBUG
> > LoggingNHttpServiceHandler - HTTP connection [closed]: Content encoder
> > [identity; completed: true]
> > INFO   | jvm 1    | 2009/04/27 18:17:11 | [I/O dispatcher 3] DEBUG
> > LoggingNHttpServiceHandler - HTTP connection [/144.100.83.31:1082]:
> Output
> > ready
> > INFO   | jvm 1    | 2009/04/27 18:17:11 | [I/O dispatcher 3] DEBUG
> > LoggingNHttpServiceHandler - HTTP connection [/144.100.83.31:1082]:
> Content
> > encoder [chunk-coded; completed: true]
> > INFO   | jvm 1    | 2009/04/27 18:17:11 | [I/O dispatcher 3] DEBUG
> > LoggingNHttpServiceHandler - HTTP connection [closed]: Closed
> > INFO   | jvm 1    | 2009/04/27 18:17:11 | [I/O dispatcher 3] DEBUG
> > LoggingNHttpServiceHandler - HTTP connection [closed]: Closed
> >
> >
> > INFO   | jvm 1    | 2009/04/27 18:17:11 | [I/O dispatcher 3] DEBUG
> > LoggingNHttpServiceHandler - HTTP connection [closed]: Closed
> > INFO   | jvm 1    | 2009/04/27 18:17:11 | [I/O dispatcher 4] WARN
> > HttpCoreNIOListener$1 - System may be unstable: IOReactor encountered a
> > runtime exception : null
> > INFO   | jvm 1    | 2009/04/27 18:17:11 | java.lang.NullPointerException
> > INFO   | jvm 1    | 2009/04/27 18:17:11 |       at
> >
> org.apache.synapse.transport.nhttp.ServerHandler.exception(ServerHandler.j
> ava:264)
> > INFO   | jvm 1    | 2009/04/27 18:17:11 |       at
> >
> org.apache.synapse.transport.nhttp.LoggingNHttpServiceHandler.exception(Lo
> ggingNHttpServiceHandler.java:84)
> > INFO   | jvm 1    | 2009/04/27 18:17:11 |       at
> >
> org.apache.http.impl.nio.DefaultNHttpServerConnection.consumeInput(Default
> NHttpServerConnection.java:145)
> > INFO   | jvm 1    | 2009/04/27 18:17:11 |       at
> >
> org.apache.synapse.transport.nhttp.PlainServerIOEventDispatch.inputReady(P
> lainServerIOEventDispatch.java:69)
> > INFO   | jvm 1    | 2009/04/27 18:17:11 |       at
> >
> org.apache.http.impl.nio.reactor.BaseIOReactor.readable(BaseIOReactor.java
> :85)
> > INFO   | jvm 1    | 2009/04/27 18:17:11 |       at
> >
> org.apache.http.impl.nio.reactor.AbstractIOReactor.processEvent(AbstractIO
> Reactor.java:177)
> >
> > --
> > View this message in context:
> http://www.nabble.com/HttpCoreNIOListener%241---System-may-be-unstable%3A-
> IOReactor-encountered-a-runtime-exception-%3A-null-
> tp23278450p23278450.html
> > Sent from the Synapse - Dev mailing list archive at Nabble.com.
> >
> >
> > ---------------------------------------------------------------------
> > To unsubscribe, e-mail: dev-unsubscribe@synapse.apache.org
> > For additional commands, e-mail: dev-help@synapse.apache.org
> >
> >
> 
> 
> 
> --
> Paul Fremantle
> Co-Founder and CTO, WSO2
> Apache Synapse PMC Chair
> OASIS WS-RX TC Co-chair
> 
> blog: http://pzf.fremantle.org
> paul@wso2.com
> 
> "Oxygenating the Web Service Platform", www.wso2.com
> 
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: dev-unsubscribe@synapse.apache.org
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