svn commit: r1212231 - /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/ExplainTask.java

[he...@apache.org]

Author: heyongqiang
Date: Fri Dec  9 02:43:12 2011
New Revision: 1212231

URL: http://svn.apache.org/viewvc?rev=1212231&view=rev
Log:
HIVE-2632 [jira] ignore exception for external jars via reflection
(Namit Jain via Yongqiang He)

Summary:
HIVE-2632



Test Plan: EMPTY

Reviewers: JIRA, heyongqiang

Reviewed By: heyongqiang

CC: heyongqiang

Differential Revision: 639

Modified:
    hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/ExplainTask.java

Modified: hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/ExplainTask.java
URL: http://svn.apache.org/viewvc/hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/ExplainTask.java?rev=1212231&r1=1212230&r2=1212231&view=diff
==============================================================================
--- hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/ExplainTask.java (original)
+++ hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/ExplainTask.java Fri Dec  9 02:43:12 2011
@@ -42,6 +42,7 @@ import org.apache.hadoop.io.IOUtils;
 import org.apache.hadoop.util.StringUtils;
 import org.json.JSONException;
 import org.json.JSONObject;
+import java.lang.reflect.InvocationTargetException;
 
 /**
  * ExplainTask implementation.
@@ -319,7 +320,14 @@ public class ExplainTask extends Task<Ex
 
         if (extended || xpl_note.normalExplain()) {
 
-          Object val = m.invoke(work);
+          Object val = null;
+          try {
+            val = m.invoke(work);
+          }
+          catch (InvocationTargetException ex) {
+            // Ignore the exception, this may be caused by external jars
+            val = null;
+          }
 
           if (val == null) {
             continue;