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From s..@apache.org
Subject svn commit: r1205699 - in /hadoop/common/branches/branch-0.22/common: CHANGES.txt src/java/org/apache/hadoop/ipc/Server.java
Date Thu, 24 Nov 2011 01:55:46 GMT
Author: shv
Date: Thu Nov 24 01:55:46 2011
New Revision: 1205699

URL: http://svn.apache.org/viewvc?rev=1205699&view=rev
Log:
HADOOP-7358. Improve log levels when exceptions caught in RPC handler. Contributed by Todd
Lipcon.

Modified:
    hadoop/common/branches/branch-0.22/common/CHANGES.txt
    hadoop/common/branches/branch-0.22/common/src/java/org/apache/hadoop/ipc/Server.java

Modified: hadoop/common/branches/branch-0.22/common/CHANGES.txt
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.22/common/CHANGES.txt?rev=1205699&r1=1205698&r2=1205699&view=diff
==============================================================================
--- hadoop/common/branches/branch-0.22/common/CHANGES.txt (original)
+++ hadoop/common/branches/branch-0.22/common/CHANGES.txt Thu Nov 24 01:55:46 2011
@@ -268,6 +268,9 @@ Release 0.22.0 - Unreleased
 
     HADOOP-7786. Remove HDFS-specific config keys defined in FsConfig. (eli)
 
+    HADOOP-7358. Improve log levels when exceptions caught in RPC handler
+    (Todd Lipcon via shv)
+
   OPTIMIZATIONS
 
     HADOOP-6884. Add LOG.isDebugEnabled() guard for each LOG.debug(..).

Modified: hadoop/common/branches/branch-0.22/common/src/java/org/apache/hadoop/ipc/Server.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.22/common/src/java/org/apache/hadoop/ipc/Server.java?rev=1205699&r1=1205698&r2=1205699&view=diff
==============================================================================
--- hadoop/common/branches/branch-0.22/common/src/java/org/apache/hadoop/ipc/Server.java (original)
+++ hadoop/common/branches/branch-0.22/common/src/java/org/apache/hadoop/ipc/Server.java Thu
Nov 24 01:55:46 2011
@@ -1487,7 +1487,16 @@ public abstract class Server {
                   );
             }
           } catch (Throwable e) {
-            LOG.info(getName()+", call "+call+": error: " + e, e);
+            String logMsg = getName()+", call "+call+": error: " + e;
+            if (e instanceof RuntimeException ||
+                e instanceof Error) {
+              // These exception types indicate something is probably wrong
+              // on the server side, as opposed to just a normal exceptional
+              // result.
+              LOG.warn(logMsg, e);
+            } else {
+              LOG.info(logMsg, e);
+            }
             errorClass = e.getClass().getName();
             error = StringUtils.stringifyException(e);
             // Remove redundant error class name from the beginning of the stack trace



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