[jira] [Created] (DIRMINA-982) ProtocolEncoderOutputImpl.flush() throws an IllegalArgumentException if buffers queue is empty

[Jenya Pisarenko (JIRA)]

Jenya Pisarenko created DIRMINA-982:
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             Summary: ProtocolEncoderOutputImpl.flush() throws an 
IllegalArgumentException if buffers queue is empty
                 Key: DIRMINA-982
                 URL: https://issues.apache.org/jira/browse/DIRMINA-982
             Project: MINA
          Issue Type: Bug
    Affects Versions: 2.0.7
            Reporter: Jenya Pisarenko


https://git-wip-us.apache.org/repos/asf?p=mina.git;a=blob;f=mina-core/src/main/java/org/apache/mina/filter/codec/ProtocolCodecFilter.java;h=f413491e058ff1c5a24c3b2ccae6d736f481bbaf;hb=2.0#l428

First, flush method initializes WriteFuture with a null reference.
The object can be constructed later, if buffers queue isn't empty, but 
otherwise remains untouched. 
If it still holds a null reference, the DefaultWriteRequest constructor call 
always fails, as it doesn't accept null as a message param.

Excerpt from the stack trace:

{noformat}
Caused by: java.lang.IllegalArgumentException: message
at 
org.apache.mina.core.write.DefaultWriteRequest.<init>(DefaultWriteRequest.java:133)
at 
org.apache.mina.filter.codec.ProtocolCodecFilter$ProtocolEncoderOutputImpl.flush(ProtocolCodecFilter.java:448)
at com.ugcs.messaging.mina.MinaEncoder.encode(MinaEncoder.java:27)
at 
org.apache.mina.filter.codec.ProtocolCodecFilter.filterWrite(ProtocolCodecFilter.java:308)
... 33 more
{noformat}



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