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From nc...@apache.org
Subject svn commit: r1469611 - in /incubator/ambari/trunk: ./ ambari-server/src/main/java/org/apache/ambari/server/controller/internal/ ambari-server/src/test/java/org/apache/ambari/server/controller/internal/
Date Thu, 18 Apr 2013 22:37:55 GMT
Author: ncole
Date: Thu Apr 18 22:37:55 2013
New Revision: 1469611

URL: http://svn.apache.org/r1469611
Log:
AMBARI-1980. Fix for nagios_alerts element when there is an Exception

Modified:
    incubator/ambari/trunk/CHANGES.txt
    incubator/ambari/trunk/ambari-server/src/main/java/org/apache/ambari/server/controller/internal/HttpProxyPropertyProvider.java
    incubator/ambari/trunk/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/HttpPropertyProviderTest.java

Modified: incubator/ambari/trunk/CHANGES.txt
URL: http://svn.apache.org/viewvc/incubator/ambari/trunk/CHANGES.txt?rev=1469611&r1=1469610&r2=1469611&view=diff
==============================================================================
--- incubator/ambari/trunk/CHANGES.txt (original)
+++ incubator/ambari/trunk/CHANGES.txt Thu Apr 18 22:37:55 2013
@@ -427,7 +427,7 @@ Trunk (unreleased changes):
 
  AMBARI-1546. Improve Cluster Management loading screen. (Xi Wang via yusaku)
 
- ABMARI-1975. Add Clover coverage (ncole)
+ AMBARI-1975. Add Clover coverage (ncole)
 
  AMBARI-1537. Constrain the width of all wizard popups. (Xi Wang via yusaku)
 
@@ -1186,6 +1186,8 @@ Trunk (unreleased changes):
  AMBARI-1657. User directories on HDFS do not get created with custom names 
  provided from Ambari UI. (swagle)
 
+ AMBARI-1980. Fix for nagios_alerts element when there is an error. (ncole)
+
  AMBARI-1865. Fix for upgrade script to copy configurations. (ncole)
 
  AMBARI-1703. Fix for smoke tests getting configurations. (ncole)

Modified: incubator/ambari/trunk/ambari-server/src/main/java/org/apache/ambari/server/controller/internal/HttpProxyPropertyProvider.java
URL: http://svn.apache.org/viewvc/incubator/ambari/trunk/ambari-server/src/main/java/org/apache/ambari/server/controller/internal/HttpProxyPropertyProvider.java?rev=1469611&r1=1469610&r2=1469611&view=diff
==============================================================================
--- incubator/ambari/trunk/ambari-server/src/main/java/org/apache/ambari/server/controller/internal/HttpProxyPropertyProvider.java
(original)
+++ incubator/ambari/trunk/ambari-server/src/main/java/org/apache/ambari/server/controller/internal/HttpProxyPropertyProvider.java
Thu Apr 18 22:37:55 2013
@@ -109,7 +109,6 @@ public class HttpProxyPropertyProvider e
   }
 
   private void getHttpResponse(Resource r, String url, String propertyIdToSet) throws SystemException
{
-    
     InputStream in = null;
     try {
       in = streamProvider.readFrom(url);
@@ -119,14 +118,14 @@ public class HttpProxyPropertyProvider e
     }
     catch (IOException ioe) {
       LOG.error("Error reading HTTP response from " + url);
-      throw new SystemException("Unable to get property " + propertyIdToSet + "from URL "
+ url, ioe);
+      r.setProperty(propertyIdToSet, null);
     } finally {
       if (in != null) {
         try {
           in.close();
         }
         catch (IOException ioe) {
-          throw new SystemException("Unable to close input stream", ioe);
+          LOG.error("Error closing HTTP response stream " + url);
         }
       }
     }

Modified: incubator/ambari/trunk/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/HttpPropertyProviderTest.java
URL: http://svn.apache.org/viewvc/incubator/ambari/trunk/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/HttpPropertyProviderTest.java?rev=1469611&r1=1469610&r2=1469611&view=diff
==============================================================================
--- incubator/ambari/trunk/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/HttpPropertyProviderTest.java
(original)
+++ incubator/ambari/trunk/ambari-server/src/test/java/org/apache/ambari/server/controller/internal/HttpPropertyProviderTest.java
Thu Apr 18 22:37:55 2013
@@ -75,6 +75,19 @@ public class HttpPropertyProviderTest {
    Assert.assertNotNull("Expected non-null for 'nagios_alerts'",
      resource.getPropertyValue(PROPERTY_ID_NAGIOS_ALERTS));        
   }
+  
+  @Test
+  public void testReadWithRequestedFail() throws Exception {
+    
+   Set<String> propertyIds = new HashSet<String>();
+   propertyIds.add(PropertyHelper.getPropertyId("HostRoles", "nagios_alerts"));
+   propertyIds.add(PROPERTY_ID_COMPONENT_NAME);
+   
+   Resource resource = doPopulate("NAGIOS_SERVER", propertyIds, true);
+
+   Assert.assertNull("Expected null for 'nagios_alerts'",
+       resource.getPropertyValue(PROPERTY_ID_NAGIOS_ALERTS));        
+  }
 
   @SuppressWarnings("rawtypes")
   @Test
@@ -121,9 +134,14 @@ public class HttpPropertyProviderTest {
   }
   
   private Resource doPopulate(String componentName, Set<String> requestProperties)
throws Exception {
+    return doPopulate(componentName, requestProperties, false);
+  }
+  
+  private Resource doPopulate(String componentName,
+      Set<String> requestProperties, boolean throwException) throws Exception {
     
     HttpProxyPropertyProvider propProvider = new HttpProxyPropertyProvider(
-       new TestStreamProvider(),
+       new TestStreamProvider(throwException),
        PROPERTY_ID_CLUSTER_NAME,
        PROPERTY_ID_HOST_NAME,
        PROPERTY_ID_COMPONENT_NAME);
@@ -140,15 +158,23 @@ public class HttpPropertyProviderTest {
     return resource;
   }
   
-  
-  
   private static class TestStreamProvider implements StreamProvider {
-
+    private boolean throwError = false;
+    
+    private TestStreamProvider(boolean throwErr) {
+      throwError = throwErr;
+    }
+    
     @Override
     public InputStream readFrom(String spec) throws IOException {
+      if (throwError) {
+        throw new IOException("Fake error");
+      }
+      
       String responseStr = "{\"alerts\": [{\"Alert Body\": \"Body\"}],"
           + " \"hostcounts\": {\"up_hosts\":\"1\", \"down_hosts\":\"0\"}}";
         return new ByteArrayInputStream(responseStr.getBytes("UTF-8"));
     }
   }
+  
 }



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