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HDFS-3390. DFSAdmin should print full stack traces of errors when DEBUG logging is enabled. Contributed by Aaron T. Myers. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1336327 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Aaron Myers 2012-05-09 18:21:38 +00:00
parent c581de57a6
commit 34b9bc4e7f
2 changed files with 17 additions and 2 deletions
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3
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -296,6 +296,9 @@ Release 2.0.0 - UNRELEASED
so that INodeFile and INodeFileUnderConstruction do not have to be used in
block management. (John George via szetszwo)
HDFS-3390. DFSAdmin should print full stack traces of errors when DEBUG
logging is enabled. (atm)
OPTIMIZATIONS
HDFS-2477. Optimize computing the diff between a block report and the

12
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/DFSAdmin.java
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@ -26,6 +26,8 @@ import java.util.HashMap;
import java.util.List;
import java.util.TreeSet;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.CommonConfigurationKeys;
@ -68,6 +70,8 @@ public class DFSAdmin extends FsShell {
HdfsConfiguration.init();
}
private static final Log LOG = LogFactory.getLog(DFSAdmin.class);
/**
* An abstract class for the execution of a file system command
*/
@ -1089,6 +1093,7 @@ public class DFSAdmin extends FsShell {
return exitCode;
}
Exception debugException = null;
exitCode = 0;
try {
if ("-report".equals(cmd)) {
@ -1143,6 +1148,7 @@ public class DFSAdmin extends FsShell {
printUsage("");
}
} catch (IllegalArgumentException arge) {
debugException = arge;
exitCode = -1;
System.err.println(cmd.substring(1) + ": " + arge.getLocalizedMessage());
printUsage(cmd);
@ -1151,6 +1157,7 @@ public class DFSAdmin extends FsShell {
// This is a error returned by hadoop server. Print
// out the first line of the error message, ignore the stack trace.
exitCode = -1;
debugException = e;
try {
String[] content;
content = e.getLocalizedMessage().split("\n");
@ -1159,12 +1166,17 @@ public class DFSAdmin extends FsShell {
} catch (Exception ex) {
System.err.println(cmd.substring(1) + ": "
+ ex.getLocalizedMessage());
debugException = ex;
}
} catch (Exception e) {
exitCode = -1;
debugException = e;
System.err.println(cmd.substring(1) + ": "
+ e.getLocalizedMessage());
}
if (LOG.isDebugEnabled()) {
LOG.debug("Exception encountered:", debugException);
}
return exitCode;
}