HBASE-10108 NullPointerException thrown while using Canary with '-regionserver' option (Takeshi Miao)

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1549683 13f79535-47bb-0310-9956-ffa450edef68
2013-12-09 21:16:01 +00:00 · 2013-12-09 21:16:01 +00:00 · 08bd55aab2
parent 0e8a141437
commit 08bd55aab2
1 changed files with 2 additions and 0 deletions
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/tool/Canary.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/tool/Canary.java
@ -568,6 +568,8 @@ public final class Canary implements Tool {
        return false;
      }

+      if (this.targets == null || this.targets.length == 0) return true;
+
      for (String target : this.targets) {
        for (TableName tableName : tableNames) {
          if (target.equals(tableName.getNameAsString())) {