Repository: hadoop Updated Branches: refs/heads/trunk 92d44b2ad -> 4aa0609fb
HDFS-13985. Clearer error message for ReplicaNotFoundException (Contributed by Adam Antal via Daniel Templeton) Change-Id: I68ae7a5bedecbc204c161fc3b3ce8878fe5d493d Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/4aa0609f Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/4aa0609f Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/4aa0609f Branch: refs/heads/trunk Commit: 4aa0609fb0c38494bae6c7f8aa6732e9a421b27c Parents: 92d44b2 Author: Daniel Templeton <templ...@apache.org> Authored: Thu Dec 13 16:20:36 2018 +0100 Committer: Daniel Templeton <templ...@apache.org> Committed: Thu Dec 13 16:21:45 2018 +0100 ---------------------------------------------------------------------- .../hdfs/server/datanode/ReplicaNotFoundException.java | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/hadoop/blob/4aa0609f/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/server/datanode/ReplicaNotFoundException.java ---------------------------------------------------------------------- diff --git a/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/server/datanode/ReplicaNotFoundException.java b/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/server/datanode/ReplicaNotFoundException.java index 946950c..b2f170b 100644 --- a/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/server/datanode/ReplicaNotFoundException.java +++ b/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/server/datanode/ReplicaNotFoundException.java @@ -40,13 +40,19 @@ public class ReplicaNotFoundException extends IOException { "Replica does not exist "; public final static String UNEXPECTED_GS_REPLICA = "Cannot append to a replica with unexpected generation stamp "; + public final static String POSSIBLE_ROOT_CAUSE_MSG = + ". The block may have been removed recently by the balancer " + + "or by intentionally reducing the replication factor. " + + "This condition is usually harmless. To be certain, please check the " + + "preceding datanode log messages for signs of a more serious issue."; + public ReplicaNotFoundException() { super(); } public ReplicaNotFoundException(ExtendedBlock b) { - super("Replica not found for " + b); + super("Replica not found for " + b + POSSIBLE_ROOT_CAUSE_MSG); } public ReplicaNotFoundException(String msg) { --------------------------------------------------------------------- To unsubscribe, e-mail: common-commits-unsubscr...@hadoop.apache.org For additional commands, e-mail: common-commits-h...@hadoop.apache.org
