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From "Emmanuel Lecharny (JIRA)" <j...@apache.org>
Subject [jira] Closed: (DIRMINA-679) NullPointerException in ProtocolCodecFilter.filterWrite
Date Fri, 22 Jan 2010 17:35:22 GMT

     [ https://issues.apache.org/jira/browse/DIRMINA-679?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Emmanuel Lecharny closed DIRMINA-679.
-------------------------------------


> NullPointerException in ProtocolCodecFilter.filterWrite
> -------------------------------------------------------
>
>                 Key: DIRMINA-679
>                 URL: https://issues.apache.org/jira/browse/DIRMINA-679
>             Project: MINA
>          Issue Type: Bug
>    Affects Versions: 2.0.0-M4
>            Reporter: John J. Franey
>             Fix For: 2.0.0-RC2
>
>         Attachments: FilterReplaceFix.diff
>
>
> Looks like filterWrite obtains a reference from the session's attributes, but the desired
attribute is not there.
> I am running max of 250 datagram sockets under load test for my application.  Connections
last about 60 seconds and released.  A new connection is made to keep the total number of
active connections up to 250.
> Over a period of two hours running this load test, this exception occured twice.
> org.apache.mina.filter.codec.ProtocolEncoderException: java.lang.NullPointerException
> 	at org.apache.mina.filter.codec.ProtocolCodecFilter.filterWrite(ProtocolCodecFilter.java:312)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain.callPreviousFilterWrite(DefaultIoFilterChain.java:506)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$7(DefaultIoFilterChain.java:501)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.filterWrite(DefaultIoFilterChain.java:814)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain$TailFilter.filterWrite(DefaultIoFilterChain.java:740)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain.callPreviousFilterWrite(DefaultIoFilterChain.java:506)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain.fireFilterWrite(DefaultIoFilterChain.java:498)
> 	at org.apache.mina.core.session.AbstractIoSession.write(AbstractIoSession.java:418)
> 	at org.apache.mina.core.session.AbstractIoSession.write(AbstractIoSession.java:359)
> ....
> Caused by: java.lang.NullPointerException
> 	at org.apache.mina.filter.codec.ProtocolCodecFilter.filterWrite(ProtocolCodecFilter.java:297)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.filterWrite(DefaultIoFilterChain.java:814)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain$TailFilter.filterWrite(DefaultIoFilterChain.java:741)
> 	at org.apache.mina.core.filterchain.DefaultIoFilterChain.fireFilterWrite(DefaultIoFilterChain.java:498)
> 	at org.apache.mina.core.session.AbstractIoSession.write(AbstractIoSession.java:359)
> ....

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