HBASE-6842 the jar used in coprocessor is not deleted in local which will exhaust the space of /tmp

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1387861 13f79535-47bb-0310-9956-ffa450edef68

hbase-server/src/main/java/org/apache/hadoop/hbase/coprocessor/CoprocessorHost.java

@@ -189,7 +189,8 @@ public abstract class CoprocessorHost<E extends CoprocessorEnvironment> {
           java.io.File.separator +"." + pathPrefix +
           "." + className + "." + System.currentTimeMillis() + ".jar");
       fs.copyToLocalFile(path, dst);
-      fs.deleteOnExit(dst);
+      File tmpLocal = new File(dst.toString());
+      tmpLocal.deleteOnExit();
 
       // TODO: code weaving goes here