Merge pull request #223 from nlevitt/hbase-refactor

merging reset HBaseAdmin on error

contrib/src/main/java/org/archive/modules/recrawl/hbase/HBase.java

@@ -111,4 +111,16 @@ public class HBase implements Lifecycle {
     public void start() {
         isRunning = true;
     }
+
+    public synchronized void reset() {
+        if (admin != null) {
+            try {
+                admin.close();
+            } catch (IOException e) {
+                logger.warning("problem closing HBaseAdmin " + admin + " - " + e);
+            }
+
+            admin = null;
+        }
+    }
 }

contrib/src/main/java/org/archive/modules/recrawl/hbase/HBaseTable.java

@@ -115,6 +115,7 @@ public class HBaseTable extends HBaseTableBean {
                 } catch (IOException e) {
                     logger.log(Level.WARNING, "(attempt " + attempt + ") problem creating hbase table " + htableName, e);
                     attempt++;
+                    reset();
                     // back off up to 60 seconds between retries
                     try {
                         Thread.sleep(Math.min(attempt * 1000, 60000));
@@ -145,6 +146,8 @@ public class HBaseTable extends HBaseTableBean {
             }
             hconn.remove();
         }
+
+        hbase.reset();
     }
 
     @Override