If its a ServerBootstrap you need to use childOption(...) to specify the allocator for the accepted Channels. Using option(...) will set it for the ServerChannel which is not what you want here.
> Am 30.06.2016 um 23:14 schrieb Chris Conroy <[email protected]>: > > I have encountered a strange issue in some server code on top of Netty 4.1 > Final using the Java SSL server engine. > > When I try to send a very large file through the pipeline, I get an > OutOfDirectMemoryError from an Sslhandler#flush. > > Of course, this could happen if I failed to call release somewhere in the > pipeline, but we’re actually setting .option(ChannelOption.ALLOCATOR, new > UnpooledByteBufAllocator(false)) in the bootstrap for this server in order to > get Netty 3-like memory semantics. (We plan to shift to the pooled allocator > later after shaking out any other Netty 4 issues). > > The fact that the SslHandler is still using a direct buffer pool despite the > option above seems like a bug. Or, am I misunderstanding this option? > > If things were generally leaking, I would expect to see this eventually even > without large requests, but it seems to only impact channels that are > servicing a large transfer. I’m still gathering more data on the issue, but > FWIW the leak detector in advanced mode has not reported any leaks, and > interestingly I cannot reproduce the issue when running under paranoid mode. > > io.netty.util.internal.OutOfDirectMemoryError: failed to allocate 16777216 > byte(s) of direct memory (used: 4110417927, max: 4127195136) > at > io.netty.util.internal.PlatformDependent.incrementMemoryCounter(PlatformDependent.java:592) > at > io.netty.util.internal.PlatformDependent.allocateDirectNoCleaner(PlatformDependent.java:546) > at > io.netty.buffer.PoolArena$DirectArena.allocateDirect(PoolArena.java:699) > at io.netty.buffer.PoolArena$DirectArena.newChunk(PoolArena.java:688) > at io.netty.buffer.PoolArena.allocateNormal(PoolArena.java:237) > at io.netty.buffer.PoolArena.allocate(PoolArena.java:221) > at io.netty.buffer.PoolArena.allocate(PoolArena.java:141) > at > io.netty.buffer.PooledByteBufAllocator.newDirectBuffer(PooledByteBufAllocator.java:262) > at > io.netty.buffer.AbstractByteBufAllocator.directBuffer(AbstractByteBufAllocator.java:179) > at > io.netty.buffer.AbstractByteBufAllocator.directBuffer(AbstractByteBufAllocator.java:170) > at > io.netty.buffer.AbstractByteBufAllocator.buffer(AbstractByteBufAllocator.java:107) > at io.netty.handler.ssl.SslHandler.allocate(SslHandler.java:1461) > at > io.netty.handler.ssl.SslHandler.allocateOutNetBuf(SslHandler.java:1471) > at io.netty.handler.ssl.SslHandler.wrap(SslHandler.java:523) > at io.netty.handler.ssl.SslHandler.flush(SslHandler.java:501) > at > io.netty.channel.AbstractChannelHandlerContext.invokeFlush0(AbstractChannelHandlerContext.java:762) > at > io.netty.channel.AbstractChannelHandlerContext.invokeFlush(AbstractChannelHandlerContext.java:754) > at > io.netty.channel.AbstractChannelHandlerContext.flush(AbstractChannelHandlerContext.java:735) > at > io.netty.channel.CombinedChannelDuplexHandler$DelegatingChannelHandlerContext.flush(CombinedChannelDuplexHandler.java:523) > at > io.netty.channel.ChannelOutboundHandlerAdapter.flush(ChannelOutboundHandlerAdapter.java:115) > at > io.netty.channel.CombinedChannelDuplexHandler.flush(CombinedChannelDuplexHandler.java:348) > at > io.netty.channel.AbstractChannelHandlerContext.invokeFlush0(AbstractChannelHandlerContext.java:762) > at > io.netty.channel.AbstractChannelHandlerContext.invokeFlush(AbstractChannelHandlerContext.java:754) > at > io.netty.channel.AbstractChannelHandlerContext.flush(AbstractChannelHandlerContext.java:735) > at > io.netty.channel.ChannelOutboundHandlerAdapter.flush(ChannelOutboundHandlerAdapter.java:115) > .... > -- > You received this message because you are subscribed to the Google Groups > "Netty discussions" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/netty/CA%2B%3DgZKAr-JCgHSW%3DFmNUEX6sXatXVQQcPanX44a%2BxQhaTMNUQw%40mail.gmail.com. > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "Netty discussions" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/netty/5B4F5055-BCB0-46B5-8EF4-73825152CA41%40googlemail.com. For more options, visit https://groups.google.com/d/optout.
