Kishor Patil created STORM-874:
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Summary: Netty Threads do not handle Errors properly
Key: STORM-874
URL: https://issues.apache.org/jira/browse/STORM-874
Project: Apache Storm
Issue Type: Bug
Affects Versions: 0.9.2-incubating, 0.10.0
Reporter: Kishor Patil
When low on memory, netty thread could get OOM which if not handled correctly
can lead to unexpected behavior such as netty connection leaks.
{code:java}
java.lang.OutOfMemoryError: Direct buffer memory
at java.nio.Bits.reserveMemory(Bits.java:658) ~[?:1.8.0_25]
at java.nio.DirectByteBuffer.<init>(DirectByteBuffer.java:123)
~[?:1.8.0_25]
at java.nio.ByteBuffer.allocateDirect(ByteBuffer.java:311) ~[?:1.8.0_25]
at
org.jboss.netty.buffer.ChannelBuffers.directBuffer(ChannelBuffers.java:167)
~[netty-3.9.4.Final.jar:?]
at
org.jboss.netty.buffer.ChannelBuffers.directBuffer(ChannelBuffers.java:151)
~[netty-3.9.4.Final.jar:?]
at
backtype.storm.messaging.netty.MessageBatch.buffer(MessageBatch.java:101)
~[storm-core-0.9.2-incubating-security.jar:0.9.2-incubating-security]
at
backtype.storm.messaging.netty.MessageEncoder.encode(MessageEncoder.java:32)
~[storm-core-0.9.2-incubating-security.jar:0.9.2-incubating-security]
at
org.jboss.netty.handler.codec.oneone.OneToOneEncoder.doEncode(OneToOneEncoder.java:66)
~[netty-3.9.4.Final.jar:?]
at
org.jboss.netty.handler.codec.oneone.OneToOneEncoder.handleDownstream(OneToOneEncoder.java:59)
~[netty-3.9.4.Final.jar:?]
at
org.jboss.netty.channel.DefaultChannelPipeline.sendDownstream(DefaultChannelPipeline.java:591)
~[netty-3.9.4.Final.jar:?]
at
org.jboss.netty.channel.DefaultChannelPipeline.sendDownstream(DefaultChannelPipeline.java:582)
~[netty-3.9.4.Final.jar:?]
at org.jboss.netty.channel.Channels.write(Channels.java:704)
~[netty-3.9.4.Final.jar:?]
at org.jboss.netty.channel.Channels.write(Channels.java:671)
~[netty-3.9.4.Final.jar:?]
at
org.jboss.netty.channel.AbstractChannel.write(AbstractChannel.java:248)
~[netty-3.9.4.Final.jar:?]
at
backtype.storm.messaging.netty.Client.tryDeliverMessages(Client.java:226)
~[storm-core-0.9.2-incubating-security.jar:0.9.2-incubating-security]
at backtype.storm.messaging.netty.Client.send(Client.java:173)
~[storm-core-0.9.2-incubating-security.jar:0.9.2-incubating-security]
{code}
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