[ACCUMULO-2420] Accumulo warnings for scans when connection closed

• Type: Bug
• Status: Open
• Priority: Minor
• Resolution: Unresolved
• Affects Version/s: 1.5.0
• Assignee: Unassigned
• Reporter: Luke Brassard
• Created: 27/Feb/14 17:41
• Updated: 17/Nov/18 18:54

Description

These messages show up in Accumulo monitor page whenever a client closes a connection before a scan completes. These warnings have been seen in other projects that use Thrift (CASSANDRA-6424) and may actually be recognized as an issue in Thrift (THRIFT-1246).

Got an IOException in internalRead!
	java.io.IOException: Connection reset by peer
		at sun.nio.ch.FileDispatcher.read0(Native Method)
		at sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:21)
		at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:198)
		at sun.nio.ch.IOUtil.read(IOUtil.java:171)
		at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:245)
		at org.apache.thrift.transport.TNonblockingSocket.read(TNonblockingSocket.java:141)
		at org.apache.thrift.server.AbstractNonblockingServer$FrameBuffer.internalRead(AbstractNonblockingServer.java:515)
		at org.apache.thrift.server.AbstractNonblockingServer$FrameBuffer.read(AbstractNonblockingServer.java:305)
		at org.apache.thrift.server.AbstractNonblockingServer$AbstractSelectThread.handleRead(AbstractNonblockingServer.java:202)
		at org.apache.thrift.server.TNonblockingServer$SelectAcceptThread.select(TNonblockingServer.java:198)
		at org.apache.thrift.server.TNonblockingServer$SelectAcceptThread.run(TNonblockingServer.java:154)

Got an IOException during write!
	java.io.IOException: Broken pipe
		at sun.nio.ch.FileDispatcher.write0(Native Method)
		at sun.nio.ch.SocketDispatcher.write(SocketDispatcher.java:29)
		at sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.java:69)
		at sun.nio.ch.IOUtil.write(IOUtil.java:40)
		at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:336)
		at org.apache.thrift.transport.TNonblockingSocket.write(TNonblockingSocket.java:164)
		at org.apache.thrift.server.AbstractNonblockingServer$FrameBuffer.write(AbstractNonblockingServer.java:381)
		at org.apache.thrift.server.AbstractNonblockingServer$AbstractSelectThread.handleWrite(AbstractNonblockingServer.java:220)
		at org.apache.thrift.server.TNonblockingServer$SelectAcceptThread.select(TNonblockingServer.java:201)
		at org.apache.thrift.server.TNonblockingServer$SelectAcceptThread.run(TNonblockingServer.java:154)

Workaround:
The warnings will not appear in the monitor log listing if the following is included in conf/generic_logger.xml:

<logger name="org.apache.accumulo.server.util.TServerUtils$THsHaServer">
  <level value="ERROR"/>
</logger>