Index: src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java =================================================================== --- src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java (revision 1425716) +++ src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java (working copy) @@ -2881,7 +2881,7 @@ checkOpen(); //Check for permissions to close. HRegion actualRegion = this.getFromOnlineRegions(region.getEncodedName()); - if (actualRegion.getCoprocessorHost() != null) { + if (actualRegion != null && actualRegion.getCoprocessorHost() != null) { actualRegion.getCoprocessorHost().preClose(false); } LOG.info("Received close region: " + region.getRegionNameAsString() + @@ -2933,7 +2933,7 @@ final boolean zk, final int versionOfClosingNode) { HRegion actualRegion = this.getFromOnlineRegions(region.getEncodedName()); - if ((actualRegion != null) && (actualRegion.getCoprocessorHost() !=null)){ + if (actualRegion != null && actualRegion.getCoprocessorHost() != null) { try { actualRegion.getCoprocessorHost().preClose(abort); } catch (IOException e) {