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Subject [14/50] [abbrv] hadoop git commit: HADOOP-12052 IPC client downgrades all exception types to IOE, breaks callers trying to use them. (Brahma Reddy Battula via stevel)
Date Tue, 16 Jun 2015 18:41:33 GMT
HADOOP-12052 IPC client downgrades all exception types to IOE, breaks callers trying to use
them. (Brahma Reddy Battula via stevel)


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/18f68097
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/18f68097
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/18f68097

Branch: refs/heads/HDFS-7240
Commit: 18f680977684710037c07bb068383791e8a33a9e
Parents: 126321e
Author: Steve Loughran <stevel@apache.org>
Authored: Mon Jun 8 13:02:26 2015 +0100
Committer: Steve Loughran <stevel@apache.org>
Committed: Mon Jun 8 13:02:56 2015 +0100

----------------------------------------------------------------------
 hadoop-common-project/hadoop-common/CHANGES.txt              | 3 +++
 .../src/main/java/org/apache/hadoop/ipc/Client.java          | 8 +++++++-
 2 files changed, 10 insertions(+), 1 deletion(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hadoop/blob/18f68097/hadoop-common-project/hadoop-common/CHANGES.txt
----------------------------------------------------------------------
diff --git a/hadoop-common-project/hadoop-common/CHANGES.txt b/hadoop-common-project/hadoop-common/CHANGES.txt
index eacc3be..79f3178 100644
--- a/hadoop-common-project/hadoop-common/CHANGES.txt
+++ b/hadoop-common-project/hadoop-common/CHANGES.txt
@@ -834,6 +834,9 @@ Release 2.8.0 - UNRELEASED
     HADOOP-11924. Tolerate JDK-8047340-related exceptions in
     Shell#isSetSidAvailable preventing class init. (Tsuyoshi Ozawa via gera)
 
+    HADOOP-12052 IPC client downgrades all exception types to IOE, breaks
+    callers trying to use them. (Brahma Reddy Battula via stevel)
+
 Release 2.7.1 - UNRELEASED
 
   INCOMPATIBLE CHANGES

http://git-wip-us.apache.org/repos/asf/hadoop/blob/18f68097/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/Client.java
----------------------------------------------------------------------
diff --git a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/Client.java
b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/Client.java
index feb811e..6996a51 100644
--- a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/Client.java
+++ b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/Client.java
@@ -1484,7 +1484,13 @@ public class Client {
           }
         });
       } catch (ExecutionException e) {
-        throw new IOException(e);
+        Throwable cause = e.getCause();
+        // the underlying exception should normally be IOException
+        if (cause instanceof IOException) {
+          throw (IOException) cause;
+        } else {
+          throw new IOException(cause);
+        }
       }
       if (connection.addCall(call)) {
         break;


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