[ 
https://issues.apache.org/jira/browse/HBASE-18233?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16273655#comment-16273655
 ] 

stack commented on HBASE-18233:
-------------------------------

Here is the relevant change section:

{code}
-      if(!lockAvailable) {
+      if (!lockAvailable) {
         if (traceScope != null) {
           traceScope.getSpan().addTimelineAnnotation("Failed to get row lock");
         }
         result = null;
-        String message = "Timed out waiting for lock for row: " + rowKey + " 
in region "
-            + getRegionInfo().getEncodedName();
-        if (reachDeadlineFirst) {
-          throw new TimeoutIOException(message);
-        } else {
-          if(waitForLock) {
+        String message = "Timed out waiting for lock for row: " + rowKey + " 
in region " +
+            getRegionInfo().getEncodedName() + ", timeout=" + timeout + ", 
deadlined=" +
+            reachDeadlineFirst + ", waitForLock=" + waitForLock;
+        if (waitForLock) {
+          if (reachDeadlineFirst) {
+            LOG.info("TIMEOUT: " + message);
+            throw new TimeoutIOException(message);
+          } else {
             // If timeToDeadline is larger than rowLockWaitDuration, we can 
not drop the request.
+            LOG.info("IOE " + message);
             throw new IOException(message);
-          } else {
-            return null;
           }
+        } else {
+          // We are here if we did a tryLock w/o waiting on it.
+          return null;
         }
{code}

I was doing a test of reachDeadlineFirst and then whether I was to waitForLock 
when should have been flipped.


> We shouldn't wait for readlock in doMiniBatchMutation in case of deadlock
> -------------------------------------------------------------------------
>
>                 Key: HBASE-18233
>                 URL: https://issues.apache.org/jira/browse/HBASE-18233
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 1.2.7
>            Reporter: Allan Yang
>            Assignee: Allan Yang
>            Priority: Blocker
>             Fix For: 1.3.2, 1.4.1, 1.2.7
>
>         Attachments: HBASE-18233-branch-1.2.patch, 
> HBASE-18233-branch-1.2.trivial.patch, HBASE-18233-branch-1.2.v2.patch, 
> HBASE-18233-branch-1.2.v3.patch, HBASE-18233-branch-1.2.v4 (1).patch, 
> HBASE-18233-branch-1.2.v4 (1).patch, HBASE-18233-branch-1.2.v4 (2).patch, 
> HBASE-18233-branch-1.2.v4.patch, HBASE-18233-branch-1.2.v4.patch, 
> HBASE-18233-branch-1.2.v4.patch, HBASE-18233-branch-1.2.v4.patch, 
> HBASE-18233-branch-1.2.v4.patch, HBASE-18233-branch-1.2.v4.patch, 
> HBASE-18233-branch-1.2.v4.patch, HBASE-18233-branch-1.2.v4.patch, 
> HBASE-18233-branch-1.2.v5 (1).patch, HBASE-18233-branch-1.2.v5.patch, 
> HBASE-18233-branch-1.2.v5.patch, HBASE-18233-branch-1.2.v6.patch, 
> HBASE-18233.branch-1.2.UT.log, HBASE-18233.branch-1.3.001.patch, 
> HBASE-18233.branch-1.3.001.patch, HBASE-18233.branch-1.3.002.patch, 
> HBASE-18233.branch-1.3.002.patch, HBASE-18233.branch-1.3.003.patch, 
> HBASE-18233.branch-1.3.003.patch, HBASE-18233.branch-1.4.001.patch, 
> HBASE-18233.branch-1.4.002.patch, HBASE-18233.branch-1.4.002.patch
>
>
> Please refer to the discuss in HBASE-18144
> https://issues.apache.org/jira/browse/HBASE-18144?focusedCommentId=16051701&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-16051701



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