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From "Asankha C. Perera (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (SYNAPSE-188) If backend https service is down, frontend service https gets low level problem that destabilizes non-blocking transport
Date Thu, 03 Jan 2008 10:53:34 GMT

     [ https://issues.apache.org/jira/browse/SYNAPSE-188?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Asankha C. Perera resolved SYNAPSE-188.
---------------------------------------

    Resolution: Fixed
      Assignee: Asankha C. Perera

Fixed this and SYNAPSE-168 which is almost the same

> If backend https service is down, frontend service https gets low level problem that
destabilizes non-blocking transport
> ------------------------------------------------------------------------------------------------------------------------
>
>                 Key: SYNAPSE-188
>                 URL: https://issues.apache.org/jira/browse/SYNAPSE-188
>             Project: Synapse
>          Issue Type: Bug
>    Affects Versions: 1.1
>         Environment: JDK6 RHEL3
>            Reporter: Paul Anderson
>            Assignee: Asankha C. Perera
>             Fix For: 1.1.1
>
>
> I use PHP to send POX via SSL. Synapse then sends to the backend Geronimo, SOAP over
SSL. But if the backend is down, I get transport errors.
> Maybe the error is related to the byte buffering issue that was fixed recently (thanks!)
to get Synapse working with PHP SSL input.
> Maybe if I switch off NIO it will be more stable?
> 2007-12-04 17:08:14,312 [server] [I/O dispatcher 7]  INFO PipeImpl Using native OS Pipes
for event-driven to stream IO bridgi
> ng
> 2007-12-04 17:08:14,417 [server] [HttpServerWorker-1]  INFO LogMediator To: /Service,
Direction: request, Envelope
> : <?xml version='1.0' encoding='utf-8'?><soapmsg/>
> 2007-12-04 17:08:14,448 [server] [HttpServerWorker-1]  INFO TimeoutHandler This engine
will expire all callbacks after : 8640
> 0 seconds, irrespective of the timeout action, after the specified or optional timeout
> 2007-12-04 17:08:14,568 [server] [I/O dispatcher 3]  WARN HttpCoreNIOSender System may
be unstable: IOReactor encountered a r
> untime exception : null
> java.lang.NullPointerException
>         at org.apache.synapse.transport.nhttp.ClientHandler.inputReady(ClientHandler.java:225)
>         at org.apache.synapse.transport.nhttp.LoggingNHttpClientHandler.inputReady(LoggingNHttpClientHandler.java:113)
>         at org.apache.http.impl.nio.DefaultNHttpClientConnection.consumeInput(DefaultNHttpClientConnection.java:135)
>         at org.apache.synapse.transport.nhttp.SSLClientIOEventDispatch.inputReady(SSLClientIOEventDispatch.java:117)
>         at org.apache.http.impl.nio.reactor.BaseIOReactor.readable(BaseIOReactor.java:94)
>         at org.apache.http.impl.nio.reactor.AbstractIOReactor.processEvent(AbstractIOReactor.java:189)
>         at org.apache.http.impl.nio.reactor.AbstractIOReactor.processEvents(AbstractIOReactor.java:174)
>         at org.apache.http.impl.nio.reactor.AbstractIOReactor.execute(AbstractIOReactor.java:137)
>         at org.apache.http.impl.nio.reactor.BaseIOReactor.execute(BaseIOReactor.java:69)
>         at org.apache.http.impl.nio.reactor.AbstractMultiworkerIOReactor$Worker.run(AbstractMultiworkerIOReactor.java:281)
>         at java.lang.Thread.run(Thread.java:619)
> AND ON SHUTDOWN:
> 2007-12-04 17:06:39,795 [server] [Thread-14]  INFO SynapseServer Shutting down Apache
Synapse ...
> 2007-12-04 17:06:39,796 [server] [HttpCoreNIOListener]  INFO HttpCoreNIOListener Listener
Shutdown
> 2007-12-04 17:06:39,797 [server] [Thread-14]  INFO HttpCoreNIOListener Listener shut
down
> 2007-12-04 17:06:39,797 [server] [HttpCoreNIOListener]  INFO HttpCoreNIOListener Listener
Shutdown
> 2007-12-04 17:06:39,798 [server [Thread-14]  INFO HttpCoreNIOListener Listener shut down
> 2007-12-04 17:06:39,798 [server] [HttpCoreNIOSender]  INFO HttpCoreNIOSender Sender Shutdown
> 2007-12-04 17:06:40,309 [server] [I/O dispatcher 1] ERROR ClientHandler HTTP connection
[closed]: null
> java.nio.channels.AsynchronousCloseException
>         at java.nio.channels.spi.AbstractInterruptibleChannel.end(AbstractInterruptibleChannel.java:185)
>         at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:263)
>         at org.apache.http.impl.nio.reactor.SSLIOSession.receiveEncryptedData(SSLIOSession.java:225)
>         at org.apache.http.impl.nio.reactor.SSLIOSession.isAppInputReady(SSLIOSession.java:245)
>         at org.apache.synapse.transport.nhttp.SSLClientIOEventDispatch.inputReady(SSLClientIOEventDispatch.java:116)
>         at org.apache.http.impl.nio.reactor.BaseIOReactor.readable(BaseIOReactor.java:94)
>         at org.apache.http.impl.nio.reactor.AbstractIOReactor.processEvent(AbstractIOReactor.java:189)
>         at org.apache.http.impl.nio.reactor.AbstractIOReactor.processEvents(AbstractIOReactor.java:174)
>         at org.apache.http.impl.nio.reactor.AbstractIOReactor.execute(AbstractIOReactor.java:137)
>         at org.apache.http.impl.nio.reactor.BaseIOReactor.execute(BaseIOReactor.java:69)
>         at org.apache.http.impl.nio.reactor.AbstractMultiworkerIOReactor$Worker.run(AbstractMultiworkerIOReactor.java:281)
>         at java.lang.Thread.run(Thread.java:619)
> 2007-12-04 17:06:40,310 [server] [I/O dispatcher 1] ERROR ClientHandler I/O error : null
> java.nio.channels.AsynchronousCloseException
>         at java.nio.channels.spi.AbstractInterruptibleChannel.end(AbstractInterruptibleChannel.java:185)
>         at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:263)
>         at org.apache.http.impl.nio.reactor.SSLIOSession.receiveEncryptedData(SSLIOSession.java:225)
>         at org.apache.http.impl.nio.reactor.SSLIOSession.isAppInputReady(SSLIOSession.java:245)
>         at org.apache.synapse.transport.nhttp.SSLClientIOEventDispatch.inputReady(SSLClientIOEventDispatch.java:116)
>         at org.apache.http.impl.nio.reactor.BaseIOReactor.readable(BaseIOReactor.java:94)
>         at org.apache.http.impl.nio.reactor.AbstractIOReactor.processEvent(AbstractIOReactor.java:189)
>         at org.apache.http.impl.nio.reactor.AbstractIOReactor.processEvents(AbstractIOReactor.java:174)
>         at org.apache.http.impl.nio.reactor.AbstractIOReactor.execute(AbstractIOReactor.java:137)
>         at org.apache.http.impl.nio.reactor.BaseIOReactor.execute(BaseIOReactor.java:69)
>         at org.apache.http.impl.nio.reactor.AbstractMultiworkerIOReactor$Worker.run(AbstractMultiworkerIOReactor.java:281)
>         at java.lang.Thread.run(Thread.java:619)
> 2007-12-04 17:06:40,817 [server] [I/O dispatcher 2] ERROR ClientHandler HTTP connection
[closed]: null
> java.nio.channels.AsynchronousCloseException
>         at java.nio.channels.spi.AbstractInterruptibleChannel.end(AbstractInterruptibleChannel.java:185)
>         at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:263)
>         at org.apache.http.impl.nio.reactor.SSLIOSession.receiveEncryptedData(SSLIOSession.java:225)
>         at org.apache.http.impl.nio.reactor.SSLIOSession.isAppInputReady(SSLIOSession.java:245)
>         at org.apache.synapse.transport.nhttp.SSLClientIOEventDispatch.inputReady(SSLClientIOEventDispatch.java:116)
>         at org.apache.http.impl.nio.reactor.BaseIOReactor.readable(BaseIOReactor.java:94)
>         at org.apache.http.impl.nio.reactor.AbstractIOReactor.processEvent(AbstractIOReactor.java:189)
>         at org.apache.http.impl.nio.reactor.AbstractIOReactor.processEvents(AbstractIOReactor.java:174)
>         at org.apache.http.impl.nio.reactor.AbstractIOReactor.execute(AbstractIOReactor.java:137)
>         at org.apache.http.impl.nio.reactor.BaseIOReactor.execute(BaseIOReactor.java:69)
>         at org.apache.http.impl.nio.reactor.AbstractMultiworkerIOReactor$Worker.run(AbstractMultiworkerIOReactor.java:281)
>         at java.lang.Thread.run(Thread.java:619)
> 2007-12-04 17:06:40,817 [server] [I/O dispatcher 2] ERROR ClientHandler I/O error : null
> java.nio.channels.AsynchronousCloseException
>         at java.nio.channels.spi.AbstractInterruptibleChannel.end(AbstractInterruptibleChannel.java:185)

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