Mukul Kumar Singh created HDDS-1372: ---------------------------------------
Summary: getContainerWithPipeline for a standalone pipeline fails with ConcurrentModificationException Key: HDDS-1372 URL: https://issues.apache.org/jira/browse/HDDS-1372 Project: Hadoop Distributed Data Store Issue Type: Bug Components: SCM Affects Versions: 0.5.0 Reporter: Mukul Kumar Singh The excception is hit while fetching a pipeline during read. {code} 2019-04-03 00:52:50,125 WARN ipc.Server (Server.java:logException(2724)) - IPC Server handler 16 on 59758, call Call#2270 Retry#0 org.apache.hadoop.hdds.scm.protocol.StorageContainerLocationProtocol.getC ontainerWithPipeline from 192.168.0.108:60011 java.util.ConcurrentModificationException at java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1558) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:499) at org.apache.hadoop.hdds.scm.server.SCMClientProtocolServer.getContainerWithPipeline(SCMClientProtocolServer.java:252) at org.apache.hadoop.ozone.protocolPB.StorageContainerLocationProtocolServerSideTranslatorPB.getContainerWithPipeline(StorageContainerLocationProtocolServerSideTranslatorPB.java:144) at org.apache.hadoop.hdds.protocol.proto.StorageContainerLocationProtocolProtos$StorageContainerLocationProtocolService$2.callBlockingMethod(StorageContainerLocationProtocolProtos.java:16390) at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:524) at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1025) at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:876) at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:822) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:422) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1730) at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2682) {code} -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-dev-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-dev-h...@hadoop.apache.org