[undertow-dev] AS7 Subsystem - OutOfMemoryError: Direct buffer memory

[Jason Greene]

Xmx does not control direct buffer memory there is a separate setting for that.

Sent from my iPhone

On Jan 21, 2013, at 4:29 AM, Stuart Douglas <sdouglas at redhat.com> wrote:

> It looks like the default buffer size was set to high.
> 
> I have updated this in upstream, or you can just increase -Xmx.
> 
> Stuart
> 
> Darran Lofthouse wrote:
>> Hello all,
>> 
>> Making use of the subsystem integration for Undertow I am getting the
>> error at the bottom of this message each time a request is received by
>> the server.
>> 
>> I am using Fedora 17 (About to move to 18) but I know quite a few
>> engineers are on OSX so just wanted to check if anyone else is
>> experiencing this on other operating systems?  Or is it just mine? ;-)
>> 
>> I should add this is a cleanly built AS7/master, Undertow/master,
>> Undertow-Subsystem/master, AS7 started using standalone-undertow.xml and
>> one simple war deployed - no other changes have been made anywhere.
>> 
>> Regards,
>> Darran Lofthouse.
>> 
>> 
>> 23:25:31,364 ERROR [org.xnio.listener] (Undertow read-1) A channel event
>> listener threw an exception: java.lang.OutOfMemoryError: Direct buffer
>> memory
>>    at java.nio.Bits.reserveMemory(Bits.java:658) [rt.jar:1.7.0_04]
>>    at java.nio.DirectByteBuffer.<init>(DirectByteBuffer.java:123)
>> [rt.jar:1.7.0_04]
>>    at java.nio.ByteBuffer.allocateDirect(ByteBuffer.java:306)
>> [rt.jar:1.7.0_04]
>>    at org.xnio.BufferAllocator$2.allocate(BufferAllocator.java:57)
>> [xnio-api-3.1.0.Beta6.jar:3.1.0.Beta6]
>>    at org.xnio.BufferAllocator$2.allocate(BufferAllocator.java:55)
>> [xnio-api-3.1.0.Beta6.jar:3.1.0.Beta6]
>>    at org.xnio.ByteBufferSlicePool.allocate(ByteBufferSlicePool.java:93)
>> [xnio-api-3.1.0.Beta6.jar:3.1.0.Beta6]
>>    at
>> io.undertow.server.HttpReadListener.handleEvent(HttpReadListener.java:89) [undertow-core-1.0.0.Alpha1-SNAPSHOT.jar:1.0.0.Alpha1-SNAPSHOT]
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