Fix synchronization issue in use of container tokens when launching a container

2013-05-30 10:54:38,265 ERROR ContainerLauncher #3 org.apache.tez.dag.app.launcher.ContainerLauncherImpl: Container launch failed for container_1369890958355_0004_01_000005 : java.nio.BufferUnderflowException at java.nio.HeapByteBuffer.get(HeapByteBuffer.java:127)
at java.nio.ByteBuffer.get(ByteBuffer.java:675) at com.google.protobuf.ByteString.copyFrom(ByteString.java:108)
at com.google.protobuf.ByteString.copyFrom(ByteString.java:117) at org.apache.hadoop.yarn.util.ProtoUtils.convertToProtoFormat(ProtoUtils.java:156)
at org.apache.hadoop.yarn.api.records.impl.pb.ContainerLaunchContextPBImpl.convertToProtoFormat(ContainerLaunchContextPBImpl.java:97) at org.apache.hadoop.yarn.api.records.impl.pb.ContainerLaunchContextPBImpl.mergeLocalToBuilder(ContainerLaunchContextPBImpl.java:105)
at org.apache.hadoop.yarn.api.records.impl.pb.ContainerLaunchContextPBImpl.mergeLocalToProto(ContainerLaunchContextPBImpl.java:124) at org.apache.hadoop.yarn.api.records.impl.pb.ContainerLaunchContextPBImpl.getProto(ContainerLaunchContextPBImpl.java:66)
at org.apache.hadoop.yarn.api.protocolrecords.impl.pb.StartContainerRequestPBImpl.convertToProtoFormat(StartContainerRequestPBImpl.java:133) at org.apache.hadoop.yarn.api.protocolrecords.impl.pb.StartContainerRequestPBImpl.mergeLocalToBuilder(StartContainerRequestPBImpl.java:62)
at org.apache.hadoop.yarn.api.protocolrecords.impl.pb.StartContainerRequestPBImpl.mergeLocalToProto(StartContainerRequestPBImpl.java:72) at org.apache.hadoop.yarn.api.protocolrecords.impl.pb.StartContainerRequestPBImpl.getProto(StartContainerRequestPBImpl.java:54)
at org.apache.hadoop.yarn.api.impl.pb.client.ContainerManagerPBClientImpl.startContainer(ContainerManagerPBClientImpl.java:105) at org.apache.tez.dag.app.launcher.ContainerLauncherImpl$Container.launch(ContainerLauncherImpl.java:165)
at org.apache.tez.dag.app.launcher.ContainerLauncherImpl$EventProcessor.run(ContainerLauncherImpl.java:407) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918) at java.lang.Thread.run(Thread.java:680)