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https://issues.apache.org/jira/browse/ACCUMULO-3708?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14392799#comment-14392799
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Josh Elser commented on ACCUMULO-3708:
--------------------------------------
[~afuchs], what's the context on the second stack trace? I don't see any
Accumulo code. I can see the first one is about a failed MinC.
> datanode blacklist error should be reclassified as a warning
> ------------------------------------------------------------
>
> Key: ACCUMULO-3708
> URL: https://issues.apache.org/jira/browse/ACCUMULO-3708
> Project: Accumulo
> Issue Type: Bug
> Affects Versions: 1.6.2
> Reporter: Adam Fuchs
> Priority: Minor
>
> Saw the following exceptions when running a continuous ingest test. The first
> one is logged as a warning:
> {code}
> MinC failed (File /accumulo/tables/1/t-00013pl/F0006irt.rf_tmp could only be
> replicated to 0 nodes instead of minReplication (=1). There are 1
> datanode(s) running and 1 node(s) are excluded in this operation.
> at
> org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.chooseTarget4NewBlock(BlockManager.java:1549)
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getAdditionalBlock(FSNamesystem.java:3203)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.addBlock(NameNodeRpcServer.java:641)
> at
> org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.addBlock(ClientNamenodeProtocolServerSideTranslatorPB.java:482)
> at
> org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:619)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:962)
> at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2039)
> at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2035)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:415)
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1628)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2033)
> ) to create
> hdfs://ip-10-10-1-252.ec2.internal:8020/accumulo/tables/1/t-00013pl/F0006irt.rf_tmp
> retrying ...
> {code}
> The second is logged as an error:
> {code}
> org.apache.hadoop.ipc.RemoteException(java.io.IOException): File
> /accumulo/tables/1/t-00013pl/F0006irt.rf_tmp could only be replicated to 0
> nodes instead of minReplication (=1). There are 1 datanode(s) running and 1
> node(s) are excluded in this operation.
> at
> org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.chooseTarget4NewBlock(BlockManager.java:1549)
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getAdditionalBlock(FSNamesystem.java:3203)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.addBlock(NameNodeRpcServer.java:641)
> at
> org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.addBlock(ClientNamenodeProtocolServerSideTranslatorPB.java:482)
> at
> org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:619)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:962)
> at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2039)
> at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2035)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:415)
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1628)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2033)
> org.apache.hadoop.ipc.RemoteException(java.io.IOException): File
> /accumulo/tables/1/t-00013pl/F0006irt.rf_tmp could only be replicated to 0
> nodes instead of minReplication (=1). There are 1 datanode(s) running and 1
> node(s) are excluded in this operation.
> at
> org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.chooseTarget4NewBlock(BlockManager.java:1549)
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getAdditionalBlock(FSNamesystem.java:3203)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.addBlock(NameNodeRpcServer.java:641)
> at
> org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.addBlock(ClientNamenodeProtocolServerSideTranslatorPB.java:482)
> at
> org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:619)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:962)
> at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2039)
> at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2035)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:415)
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1628)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2033)
> at org.apache.hadoop.ipc.Client.call(Client.java:1468)
> at org.apache.hadoop.ipc.Client.call(Client.java:1399)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:232)
> at com.sun.proxy.$Proxy20.addBlock(Unknown Source)
> at
> org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.addBlock(ClientNamenodeProtocolTranslatorPB.java:399)
> at sun.reflect.GeneratedMethodAccessor20.invoke(Unknown Source)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:606)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
> at com.sun.proxy.$Proxy21.addBlock(Unknown Source)
> at
> org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.locateFollowingBlock(DFSOutputStream.java:1533)
> at
> org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.nextBlockOutputStream(DFSOutputStream.java:1350)
> at
> org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.run(DFSOutputStream.java:589)
> {code}
> The tserver recovered from these just fine, so I think the second log message
> should be a warn instead of an error.
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