diff --git a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt index 0fe0fd84009..538134f5d87 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt +++ b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt @@ -383,6 +383,9 @@ Release 2.1.1-beta - UNRELEASED HDFS-4594. WebHDFS open sets Content-Length header to what is specified by length parameter rather than how much data is actually returned. (cnauroth) + HDFS-5124. DelegationTokenSecretManager#retrievePassword can cause deadlock + in NameNode. (Daryn Sharp via jing9) + Release 2.1.0-beta - 2013-08-22 INCOMPATIBLE CHANGES diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/security/token/delegation/DelegationTokenSecretManager.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/security/token/delegation/DelegationTokenSecretManager.java index 17e2ccc61ef..25fb25731f7 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/security/token/delegation/DelegationTokenSecretManager.java +++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/security/token/delegation/DelegationTokenSecretManager.java @@ -82,7 +82,7 @@ public class DelegationTokenSecretManager } @Override - public synchronized byte[] retrievePassword( + public byte[] retrievePassword( DelegationTokenIdentifier identifier) throws InvalidToken { try { // this check introduces inconsistency in the authentication to a @@ -91,7 +91,7 @@ public class DelegationTokenSecretManager // different in that a standby may be behind and thus not yet know // of all tokens issued by the active NN. the following check does // not allow ANY token auth, however it should allow known tokens in - checkAvailableForRead(); + namesystem.checkOperation(OperationCategory.READ); } catch (StandbyException se) { // FIXME: this is a hack to get around changing method signatures by // tunneling a non-InvalidToken exception as the cause which the @@ -103,17 +103,6 @@ public class DelegationTokenSecretManager return super.retrievePassword(identifier); } - @Override //SecretManager - public void checkAvailableForRead() throws StandbyException { - namesystem.checkOperation(OperationCategory.READ); - namesystem.readLock(); - try { - namesystem.checkOperation(OperationCategory.READ); - } finally { - namesystem.readUnlock(); - } - } - /** * Returns expiry time of a token given its identifier. *