You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@hbase.apache.org by mi...@apache.org on 2016/02/05 05:32:49 UTC

[39/51] [partial] hbase-site git commit: Published site at 18eff3c1c337003b2a419490e621f931d16936fb.

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/a8725a46/devapidocs/src-html/org/apache/hadoop/hbase/client/ScannerCallable.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/client/ScannerCallable.html b/devapidocs/src-html/org/apache/hadoop/hbase/client/ScannerCallable.html
index 1a7a6d9..cbd9fa2 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/client/ScannerCallable.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/client/ScannerCallable.html
@@ -199,300 +199,304 @@
 <span class="sourceLineNo">191</span>    if (Thread.interrupted()) {<a name="line.191"></a>
 <span class="sourceLineNo">192</span>      throw new InterruptedIOException();<a name="line.192"></a>
 <span class="sourceLineNo">193</span>    }<a name="line.193"></a>
-<span class="sourceLineNo">194</span>    if (closed) {<a name="line.194"></a>
-<span class="sourceLineNo">195</span>      if (scannerId != -1) {<a name="line.195"></a>
-<span class="sourceLineNo">196</span>        close();<a name="line.196"></a>
-<span class="sourceLineNo">197</span>      }<a name="line.197"></a>
-<span class="sourceLineNo">198</span>    } else {<a name="line.198"></a>
-<span class="sourceLineNo">199</span>      if (scannerId == -1L) {<a name="line.199"></a>
-<span class="sourceLineNo">200</span>        this.scannerId = openScanner();<a name="line.200"></a>
-<span class="sourceLineNo">201</span>      } else {<a name="line.201"></a>
-<span class="sourceLineNo">202</span>        Result [] rrs = null;<a name="line.202"></a>
-<span class="sourceLineNo">203</span>        ScanRequest request = null;<a name="line.203"></a>
-<span class="sourceLineNo">204</span>        // Reset the heartbeat flag prior to each RPC in case an exception is thrown by the server<a name="line.204"></a>
-<span class="sourceLineNo">205</span>        setHeartbeatMessage(false);<a name="line.205"></a>
-<span class="sourceLineNo">206</span>        try {<a name="line.206"></a>
-<span class="sourceLineNo">207</span>          incRPCcallsMetrics();<a name="line.207"></a>
-<span class="sourceLineNo">208</span>          request =<a name="line.208"></a>
-<span class="sourceLineNo">209</span>              RequestConverter.buildScanRequest(scannerId, caching, false, nextCallSeq,<a name="line.209"></a>
-<span class="sourceLineNo">210</span>                this.scanMetrics != null, renew);<a name="line.210"></a>
-<span class="sourceLineNo">211</span>          ScanResponse response = null;<a name="line.211"></a>
-<span class="sourceLineNo">212</span>          controller = controllerFactory.newController();<a name="line.212"></a>
-<span class="sourceLineNo">213</span>          controller.setPriority(getTableName());<a name="line.213"></a>
-<span class="sourceLineNo">214</span>          controller.setCallTimeout(callTimeout);<a name="line.214"></a>
-<span class="sourceLineNo">215</span>          try {<a name="line.215"></a>
-<span class="sourceLineNo">216</span>            response = getStub().scan(controller, request);<a name="line.216"></a>
-<span class="sourceLineNo">217</span>            // Client and RS maintain a nextCallSeq number during the scan. Every next() call<a name="line.217"></a>
-<span class="sourceLineNo">218</span>            // from client to server will increment this number in both sides. Client passes this<a name="line.218"></a>
-<span class="sourceLineNo">219</span>            // number along with the request and at RS side both the incoming nextCallSeq and its<a name="line.219"></a>
-<span class="sourceLineNo">220</span>            // nextCallSeq will be matched. In case of a timeout this increment at the client side<a name="line.220"></a>
-<span class="sourceLineNo">221</span>            // should not happen. If at the server side fetching of next batch of data was over,<a name="line.221"></a>
-<span class="sourceLineNo">222</span>            // there will be mismatch in the nextCallSeq number. Server will throw<a name="line.222"></a>
-<span class="sourceLineNo">223</span>            // OutOfOrderScannerNextException and then client will reopen the scanner with startrow<a name="line.223"></a>
-<span class="sourceLineNo">224</span>            // as the last successfully retrieved row.<a name="line.224"></a>
-<span class="sourceLineNo">225</span>            // See HBASE-5974<a name="line.225"></a>
-<span class="sourceLineNo">226</span>            nextCallSeq++;<a name="line.226"></a>
-<span class="sourceLineNo">227</span>            long timestamp = System.currentTimeMillis();<a name="line.227"></a>
-<span class="sourceLineNo">228</span>            setHeartbeatMessage(response.hasHeartbeatMessage() &amp;&amp; response.getHeartbeatMessage());<a name="line.228"></a>
-<span class="sourceLineNo">229</span>            // Results are returned via controller<a name="line.229"></a>
-<span class="sourceLineNo">230</span>            CellScanner cellScanner = controller.cellScanner();<a name="line.230"></a>
-<span class="sourceLineNo">231</span>            rrs = ResponseConverter.getResults(cellScanner, response);<a name="line.231"></a>
-<span class="sourceLineNo">232</span>            if (logScannerActivity) {<a name="line.232"></a>
-<span class="sourceLineNo">233</span>              long now = System.currentTimeMillis();<a name="line.233"></a>
-<span class="sourceLineNo">234</span>              if (now - timestamp &gt; logCutOffLatency) {<a name="line.234"></a>
-<span class="sourceLineNo">235</span>                int rows = rrs == null ? 0 : rrs.length;<a name="line.235"></a>
-<span class="sourceLineNo">236</span>                LOG.info("Took " + (now-timestamp) + "ms to fetch "<a name="line.236"></a>
-<span class="sourceLineNo">237</span>                  + rows + " rows from scanner=" + scannerId);<a name="line.237"></a>
-<span class="sourceLineNo">238</span>              }<a name="line.238"></a>
-<span class="sourceLineNo">239</span>            }<a name="line.239"></a>
-<span class="sourceLineNo">240</span>            updateServerSideMetrics(response);<a name="line.240"></a>
-<span class="sourceLineNo">241</span>            // moreResults is only used for the case where a filter exhausts all elements<a name="line.241"></a>
-<span class="sourceLineNo">242</span>            if (response.hasMoreResults() &amp;&amp; !response.getMoreResults()) {<a name="line.242"></a>
-<span class="sourceLineNo">243</span>              scannerId = -1L;<a name="line.243"></a>
-<span class="sourceLineNo">244</span>              closed = true;<a name="line.244"></a>
-<span class="sourceLineNo">245</span>              // Implied that no results were returned back, either.<a name="line.245"></a>
-<span class="sourceLineNo">246</span>              return null;<a name="line.246"></a>
-<span class="sourceLineNo">247</span>            }<a name="line.247"></a>
-<span class="sourceLineNo">248</span>            // moreResultsInRegion explicitly defines when a RS may choose to terminate a batch due<a name="line.248"></a>
-<span class="sourceLineNo">249</span>            // to size or quantity of results in the response.<a name="line.249"></a>
-<span class="sourceLineNo">250</span>            if (response.hasMoreResultsInRegion()) {<a name="line.250"></a>
-<span class="sourceLineNo">251</span>              // Set what the RS said<a name="line.251"></a>
-<span class="sourceLineNo">252</span>              setHasMoreResultsContext(true);<a name="line.252"></a>
-<span class="sourceLineNo">253</span>              setServerHasMoreResults(response.getMoreResultsInRegion());<a name="line.253"></a>
-<span class="sourceLineNo">254</span>            } else {<a name="line.254"></a>
-<span class="sourceLineNo">255</span>              // Server didn't respond whether it has more results or not.<a name="line.255"></a>
-<span class="sourceLineNo">256</span>              setHasMoreResultsContext(false);<a name="line.256"></a>
-<span class="sourceLineNo">257</span>            }<a name="line.257"></a>
-<span class="sourceLineNo">258</span>          } catch (ServiceException se) {<a name="line.258"></a>
-<span class="sourceLineNo">259</span>            throw ProtobufUtil.getRemoteException(se);<a name="line.259"></a>
-<span class="sourceLineNo">260</span>          }<a name="line.260"></a>
-<span class="sourceLineNo">261</span>          updateResultsMetrics(rrs);<a name="line.261"></a>
-<span class="sourceLineNo">262</span>        } catch (IOException e) {<a name="line.262"></a>
-<span class="sourceLineNo">263</span>          if (logScannerActivity) {<a name="line.263"></a>
-<span class="sourceLineNo">264</span>            LOG.info("Got exception making request " + TextFormat.shortDebugString(request)<a name="line.264"></a>
-<span class="sourceLineNo">265</span>              + " to " + getLocation(), e);<a name="line.265"></a>
-<span class="sourceLineNo">266</span>          }<a name="line.266"></a>
-<span class="sourceLineNo">267</span>          IOException ioe = e;<a name="line.267"></a>
-<span class="sourceLineNo">268</span>          if (e instanceof RemoteException) {<a name="line.268"></a>
-<span class="sourceLineNo">269</span>            ioe = ((RemoteException) e).unwrapRemoteException();<a name="line.269"></a>
+<span class="sourceLineNo">194</span><a name="line.194"></a>
+<span class="sourceLineNo">195</span>    if (controller == null) {<a name="line.195"></a>
+<span class="sourceLineNo">196</span>      controller = controllerFactory.newController();<a name="line.196"></a>
+<span class="sourceLineNo">197</span>      controller.setPriority(getTableName());<a name="line.197"></a>
+<span class="sourceLineNo">198</span>      controller.setCallTimeout(callTimeout);<a name="line.198"></a>
+<span class="sourceLineNo">199</span>    }<a name="line.199"></a>
+<span class="sourceLineNo">200</span><a name="line.200"></a>
+<span class="sourceLineNo">201</span>    if (closed) {<a name="line.201"></a>
+<span class="sourceLineNo">202</span>      if (scannerId != -1) {<a name="line.202"></a>
+<span class="sourceLineNo">203</span>        close();<a name="line.203"></a>
+<span class="sourceLineNo">204</span>      }<a name="line.204"></a>
+<span class="sourceLineNo">205</span>    } else {<a name="line.205"></a>
+<span class="sourceLineNo">206</span>      if (scannerId == -1L) {<a name="line.206"></a>
+<span class="sourceLineNo">207</span>        this.scannerId = openScanner();<a name="line.207"></a>
+<span class="sourceLineNo">208</span>      } else {<a name="line.208"></a>
+<span class="sourceLineNo">209</span>        Result [] rrs = null;<a name="line.209"></a>
+<span class="sourceLineNo">210</span>        ScanRequest request = null;<a name="line.210"></a>
+<span class="sourceLineNo">211</span>        // Reset the heartbeat flag prior to each RPC in case an exception is thrown by the server<a name="line.211"></a>
+<span class="sourceLineNo">212</span>        setHeartbeatMessage(false);<a name="line.212"></a>
+<span class="sourceLineNo">213</span>        try {<a name="line.213"></a>
+<span class="sourceLineNo">214</span>          incRPCcallsMetrics();<a name="line.214"></a>
+<span class="sourceLineNo">215</span>          request =<a name="line.215"></a>
+<span class="sourceLineNo">216</span>              RequestConverter.buildScanRequest(scannerId, caching, false, nextCallSeq,<a name="line.216"></a>
+<span class="sourceLineNo">217</span>                this.scanMetrics != null, renew);<a name="line.217"></a>
+<span class="sourceLineNo">218</span>          ScanResponse response = null;<a name="line.218"></a>
+<span class="sourceLineNo">219</span>          try {<a name="line.219"></a>
+<span class="sourceLineNo">220</span>            response = getStub().scan(controller, request);<a name="line.220"></a>
+<span class="sourceLineNo">221</span>            // Client and RS maintain a nextCallSeq number during the scan. Every next() call<a name="line.221"></a>
+<span class="sourceLineNo">222</span>            // from client to server will increment this number in both sides. Client passes this<a name="line.222"></a>
+<span class="sourceLineNo">223</span>            // number along with the request and at RS side both the incoming nextCallSeq and its<a name="line.223"></a>
+<span class="sourceLineNo">224</span>            // nextCallSeq will be matched. In case of a timeout this increment at the client side<a name="line.224"></a>
+<span class="sourceLineNo">225</span>            // should not happen. If at the server side fetching of next batch of data was over,<a name="line.225"></a>
+<span class="sourceLineNo">226</span>            // there will be mismatch in the nextCallSeq number. Server will throw<a name="line.226"></a>
+<span class="sourceLineNo">227</span>            // OutOfOrderScannerNextException and then client will reopen the scanner with startrow<a name="line.227"></a>
+<span class="sourceLineNo">228</span>            // as the last successfully retrieved row.<a name="line.228"></a>
+<span class="sourceLineNo">229</span>            // See HBASE-5974<a name="line.229"></a>
+<span class="sourceLineNo">230</span>            nextCallSeq++;<a name="line.230"></a>
+<span class="sourceLineNo">231</span>            long timestamp = System.currentTimeMillis();<a name="line.231"></a>
+<span class="sourceLineNo">232</span>            setHeartbeatMessage(response.hasHeartbeatMessage() &amp;&amp; response.getHeartbeatMessage());<a name="line.232"></a>
+<span class="sourceLineNo">233</span>            // Results are returned via controller<a name="line.233"></a>
+<span class="sourceLineNo">234</span>            CellScanner cellScanner = controller.cellScanner();<a name="line.234"></a>
+<span class="sourceLineNo">235</span>            rrs = ResponseConverter.getResults(cellScanner, response);<a name="line.235"></a>
+<span class="sourceLineNo">236</span>            if (logScannerActivity) {<a name="line.236"></a>
+<span class="sourceLineNo">237</span>              long now = System.currentTimeMillis();<a name="line.237"></a>
+<span class="sourceLineNo">238</span>              if (now - timestamp &gt; logCutOffLatency) {<a name="line.238"></a>
+<span class="sourceLineNo">239</span>                int rows = rrs == null ? 0 : rrs.length;<a name="line.239"></a>
+<span class="sourceLineNo">240</span>                LOG.info("Took " + (now-timestamp) + "ms to fetch "<a name="line.240"></a>
+<span class="sourceLineNo">241</span>                  + rows + " rows from scanner=" + scannerId);<a name="line.241"></a>
+<span class="sourceLineNo">242</span>              }<a name="line.242"></a>
+<span class="sourceLineNo">243</span>            }<a name="line.243"></a>
+<span class="sourceLineNo">244</span>            updateServerSideMetrics(response);<a name="line.244"></a>
+<span class="sourceLineNo">245</span>            // moreResults is only used for the case where a filter exhausts all elements<a name="line.245"></a>
+<span class="sourceLineNo">246</span>            if (response.hasMoreResults() &amp;&amp; !response.getMoreResults()) {<a name="line.246"></a>
+<span class="sourceLineNo">247</span>              scannerId = -1L;<a name="line.247"></a>
+<span class="sourceLineNo">248</span>              closed = true;<a name="line.248"></a>
+<span class="sourceLineNo">249</span>              // Implied that no results were returned back, either.<a name="line.249"></a>
+<span class="sourceLineNo">250</span>              return null;<a name="line.250"></a>
+<span class="sourceLineNo">251</span>            }<a name="line.251"></a>
+<span class="sourceLineNo">252</span>            // moreResultsInRegion explicitly defines when a RS may choose to terminate a batch due<a name="line.252"></a>
+<span class="sourceLineNo">253</span>            // to size or quantity of results in the response.<a name="line.253"></a>
+<span class="sourceLineNo">254</span>            if (response.hasMoreResultsInRegion()) {<a name="line.254"></a>
+<span class="sourceLineNo">255</span>              // Set what the RS said<a name="line.255"></a>
+<span class="sourceLineNo">256</span>              setHasMoreResultsContext(true);<a name="line.256"></a>
+<span class="sourceLineNo">257</span>              setServerHasMoreResults(response.getMoreResultsInRegion());<a name="line.257"></a>
+<span class="sourceLineNo">258</span>            } else {<a name="line.258"></a>
+<span class="sourceLineNo">259</span>              // Server didn't respond whether it has more results or not.<a name="line.259"></a>
+<span class="sourceLineNo">260</span>              setHasMoreResultsContext(false);<a name="line.260"></a>
+<span class="sourceLineNo">261</span>            }<a name="line.261"></a>
+<span class="sourceLineNo">262</span>          } catch (ServiceException se) {<a name="line.262"></a>
+<span class="sourceLineNo">263</span>            throw ProtobufUtil.getRemoteException(se);<a name="line.263"></a>
+<span class="sourceLineNo">264</span>          }<a name="line.264"></a>
+<span class="sourceLineNo">265</span>          updateResultsMetrics(rrs);<a name="line.265"></a>
+<span class="sourceLineNo">266</span>        } catch (IOException e) {<a name="line.266"></a>
+<span class="sourceLineNo">267</span>          if (logScannerActivity) {<a name="line.267"></a>
+<span class="sourceLineNo">268</span>            LOG.info("Got exception making request " + TextFormat.shortDebugString(request)<a name="line.268"></a>
+<span class="sourceLineNo">269</span>              + " to " + getLocation(), e);<a name="line.269"></a>
 <span class="sourceLineNo">270</span>          }<a name="line.270"></a>
-<span class="sourceLineNo">271</span>          if (logScannerActivity &amp;&amp; (ioe instanceof UnknownScannerException)) {<a name="line.271"></a>
-<span class="sourceLineNo">272</span>            try {<a name="line.272"></a>
-<span class="sourceLineNo">273</span>              HRegionLocation location =<a name="line.273"></a>
-<span class="sourceLineNo">274</span>                getConnection().relocateRegion(getTableName(), scan.getStartRow());<a name="line.274"></a>
-<span class="sourceLineNo">275</span>              LOG.info("Scanner=" + scannerId<a name="line.275"></a>
-<span class="sourceLineNo">276</span>                + " expired, current region location is " + location.toString());<a name="line.276"></a>
-<span class="sourceLineNo">277</span>            } catch (Throwable t) {<a name="line.277"></a>
-<span class="sourceLineNo">278</span>              LOG.info("Failed to relocate region", t);<a name="line.278"></a>
-<span class="sourceLineNo">279</span>            }<a name="line.279"></a>
-<span class="sourceLineNo">280</span>          }<a name="line.280"></a>
-<span class="sourceLineNo">281</span>          // The below convertion of exceptions into DoNotRetryExceptions is a little strange.<a name="line.281"></a>
-<span class="sourceLineNo">282</span>          // Why not just have these exceptions implment DNRIOE you ask?  Well, usually we want<a name="line.282"></a>
-<span class="sourceLineNo">283</span>          // ServerCallable#withRetries to just retry when it gets these exceptions.  In here in<a name="line.283"></a>
-<span class="sourceLineNo">284</span>          // a scan when doing a next in particular, we want to break out and get the scanner to<a name="line.284"></a>
-<span class="sourceLineNo">285</span>          // reset itself up again.  Throwing a DNRIOE is how we signal this to happen (its ugly,<a name="line.285"></a>
-<span class="sourceLineNo">286</span>          // yeah and hard to follow and in need of a refactor).<a name="line.286"></a>
-<span class="sourceLineNo">287</span>          if (ioe instanceof NotServingRegionException) {<a name="line.287"></a>
-<span class="sourceLineNo">288</span>            // Throw a DNRE so that we break out of cycle of calling NSRE<a name="line.288"></a>
-<span class="sourceLineNo">289</span>            // when what we need is to open scanner against new location.<a name="line.289"></a>
-<span class="sourceLineNo">290</span>            // Attach NSRE to signal client that it needs to re-setup scanner.<a name="line.290"></a>
-<span class="sourceLineNo">291</span>            if (this.scanMetrics != null) {<a name="line.291"></a>
-<span class="sourceLineNo">292</span>              this.scanMetrics.countOfNSRE.incrementAndGet();<a name="line.292"></a>
-<span class="sourceLineNo">293</span>            }<a name="line.293"></a>
-<span class="sourceLineNo">294</span>            throw new DoNotRetryIOException("Resetting the scanner -- see exception cause", ioe);<a name="line.294"></a>
-<span class="sourceLineNo">295</span>          } else if (ioe instanceof RegionServerStoppedException) {<a name="line.295"></a>
-<span class="sourceLineNo">296</span>            // Throw a DNRE so that we break out of cycle of the retries and instead go and<a name="line.296"></a>
-<span class="sourceLineNo">297</span>            // open scanner against new location.<a name="line.297"></a>
+<span class="sourceLineNo">271</span>          IOException ioe = e;<a name="line.271"></a>
+<span class="sourceLineNo">272</span>          if (e instanceof RemoteException) {<a name="line.272"></a>
+<span class="sourceLineNo">273</span>            ioe = ((RemoteException) e).unwrapRemoteException();<a name="line.273"></a>
+<span class="sourceLineNo">274</span>          }<a name="line.274"></a>
+<span class="sourceLineNo">275</span>          if (logScannerActivity &amp;&amp; (ioe instanceof UnknownScannerException)) {<a name="line.275"></a>
+<span class="sourceLineNo">276</span>            try {<a name="line.276"></a>
+<span class="sourceLineNo">277</span>              HRegionLocation location =<a name="line.277"></a>
+<span class="sourceLineNo">278</span>                getConnection().relocateRegion(getTableName(), scan.getStartRow());<a name="line.278"></a>
+<span class="sourceLineNo">279</span>              LOG.info("Scanner=" + scannerId<a name="line.279"></a>
+<span class="sourceLineNo">280</span>                + " expired, current region location is " + location.toString());<a name="line.280"></a>
+<span class="sourceLineNo">281</span>            } catch (Throwable t) {<a name="line.281"></a>
+<span class="sourceLineNo">282</span>              LOG.info("Failed to relocate region", t);<a name="line.282"></a>
+<span class="sourceLineNo">283</span>            }<a name="line.283"></a>
+<span class="sourceLineNo">284</span>          }<a name="line.284"></a>
+<span class="sourceLineNo">285</span>          // The below convertion of exceptions into DoNotRetryExceptions is a little strange.<a name="line.285"></a>
+<span class="sourceLineNo">286</span>          // Why not just have these exceptions implment DNRIOE you ask?  Well, usually we want<a name="line.286"></a>
+<span class="sourceLineNo">287</span>          // ServerCallable#withRetries to just retry when it gets these exceptions.  In here in<a name="line.287"></a>
+<span class="sourceLineNo">288</span>          // a scan when doing a next in particular, we want to break out and get the scanner to<a name="line.288"></a>
+<span class="sourceLineNo">289</span>          // reset itself up again.  Throwing a DNRIOE is how we signal this to happen (its ugly,<a name="line.289"></a>
+<span class="sourceLineNo">290</span>          // yeah and hard to follow and in need of a refactor).<a name="line.290"></a>
+<span class="sourceLineNo">291</span>          if (ioe instanceof NotServingRegionException) {<a name="line.291"></a>
+<span class="sourceLineNo">292</span>            // Throw a DNRE so that we break out of cycle of calling NSRE<a name="line.292"></a>
+<span class="sourceLineNo">293</span>            // when what we need is to open scanner against new location.<a name="line.293"></a>
+<span class="sourceLineNo">294</span>            // Attach NSRE to signal client that it needs to re-setup scanner.<a name="line.294"></a>
+<span class="sourceLineNo">295</span>            if (this.scanMetrics != null) {<a name="line.295"></a>
+<span class="sourceLineNo">296</span>              this.scanMetrics.countOfNSRE.incrementAndGet();<a name="line.296"></a>
+<span class="sourceLineNo">297</span>            }<a name="line.297"></a>
 <span class="sourceLineNo">298</span>            throw new DoNotRetryIOException("Resetting the scanner -- see exception cause", ioe);<a name="line.298"></a>
-<span class="sourceLineNo">299</span>          } else {<a name="line.299"></a>
-<span class="sourceLineNo">300</span>            // The outer layers will retry<a name="line.300"></a>
-<span class="sourceLineNo">301</span>            throw ioe;<a name="line.301"></a>
-<span class="sourceLineNo">302</span>          }<a name="line.302"></a>
-<span class="sourceLineNo">303</span>        }<a name="line.303"></a>
-<span class="sourceLineNo">304</span>        return rrs;<a name="line.304"></a>
-<span class="sourceLineNo">305</span>      }<a name="line.305"></a>
-<span class="sourceLineNo">306</span>    }<a name="line.306"></a>
-<span class="sourceLineNo">307</span>    return null;<a name="line.307"></a>
-<span class="sourceLineNo">308</span>  }<a name="line.308"></a>
-<span class="sourceLineNo">309</span><a name="line.309"></a>
-<span class="sourceLineNo">310</span>  /**<a name="line.310"></a>
-<span class="sourceLineNo">311</span>   * @return true when the most recent RPC response indicated that the response was a heartbeat<a name="line.311"></a>
-<span class="sourceLineNo">312</span>   *         message. Heartbeat messages are sent back from the server when the processing of the<a name="line.312"></a>
-<span class="sourceLineNo">313</span>   *         scan request exceeds a certain time threshold. Heartbeats allow the server to avoid<a name="line.313"></a>
-<span class="sourceLineNo">314</span>   *         timeouts during long running scan operations.<a name="line.314"></a>
-<span class="sourceLineNo">315</span>   */<a name="line.315"></a>
-<span class="sourceLineNo">316</span>  protected boolean isHeartbeatMessage() {<a name="line.316"></a>
-<span class="sourceLineNo">317</span>    return heartbeatMessage;<a name="line.317"></a>
-<span class="sourceLineNo">318</span>  }<a name="line.318"></a>
-<span class="sourceLineNo">319</span><a name="line.319"></a>
-<span class="sourceLineNo">320</span>  protected void setHeartbeatMessage(boolean heartbeatMessage) {<a name="line.320"></a>
-<span class="sourceLineNo">321</span>    this.heartbeatMessage = heartbeatMessage;<a name="line.321"></a>
+<span class="sourceLineNo">299</span>          } else if (ioe instanceof RegionServerStoppedException) {<a name="line.299"></a>
+<span class="sourceLineNo">300</span>            // Throw a DNRE so that we break out of cycle of the retries and instead go and<a name="line.300"></a>
+<span class="sourceLineNo">301</span>            // open scanner against new location.<a name="line.301"></a>
+<span class="sourceLineNo">302</span>            throw new DoNotRetryIOException("Resetting the scanner -- see exception cause", ioe);<a name="line.302"></a>
+<span class="sourceLineNo">303</span>          } else {<a name="line.303"></a>
+<span class="sourceLineNo">304</span>            // The outer layers will retry<a name="line.304"></a>
+<span class="sourceLineNo">305</span>            throw ioe;<a name="line.305"></a>
+<span class="sourceLineNo">306</span>          }<a name="line.306"></a>
+<span class="sourceLineNo">307</span>        }<a name="line.307"></a>
+<span class="sourceLineNo">308</span>        return rrs;<a name="line.308"></a>
+<span class="sourceLineNo">309</span>      }<a name="line.309"></a>
+<span class="sourceLineNo">310</span>    }<a name="line.310"></a>
+<span class="sourceLineNo">311</span>    return null;<a name="line.311"></a>
+<span class="sourceLineNo">312</span>  }<a name="line.312"></a>
+<span class="sourceLineNo">313</span><a name="line.313"></a>
+<span class="sourceLineNo">314</span>  /**<a name="line.314"></a>
+<span class="sourceLineNo">315</span>   * @return true when the most recent RPC response indicated that the response was a heartbeat<a name="line.315"></a>
+<span class="sourceLineNo">316</span>   *         message. Heartbeat messages are sent back from the server when the processing of the<a name="line.316"></a>
+<span class="sourceLineNo">317</span>   *         scan request exceeds a certain time threshold. Heartbeats allow the server to avoid<a name="line.317"></a>
+<span class="sourceLineNo">318</span>   *         timeouts during long running scan operations.<a name="line.318"></a>
+<span class="sourceLineNo">319</span>   */<a name="line.319"></a>
+<span class="sourceLineNo">320</span>  protected boolean isHeartbeatMessage() {<a name="line.320"></a>
+<span class="sourceLineNo">321</span>    return heartbeatMessage;<a name="line.321"></a>
 <span class="sourceLineNo">322</span>  }<a name="line.322"></a>
 <span class="sourceLineNo">323</span><a name="line.323"></a>
-<span class="sourceLineNo">324</span>  private void incRPCcallsMetrics() {<a name="line.324"></a>
-<span class="sourceLineNo">325</span>    if (this.scanMetrics == null) {<a name="line.325"></a>
-<span class="sourceLineNo">326</span>      return;<a name="line.326"></a>
-<span class="sourceLineNo">327</span>    }<a name="line.327"></a>
-<span class="sourceLineNo">328</span>    this.scanMetrics.countOfRPCcalls.incrementAndGet();<a name="line.328"></a>
-<span class="sourceLineNo">329</span>    if (isRegionServerRemote) {<a name="line.329"></a>
-<span class="sourceLineNo">330</span>      this.scanMetrics.countOfRemoteRPCcalls.incrementAndGet();<a name="line.330"></a>
+<span class="sourceLineNo">324</span>  protected void setHeartbeatMessage(boolean heartbeatMessage) {<a name="line.324"></a>
+<span class="sourceLineNo">325</span>    this.heartbeatMessage = heartbeatMessage;<a name="line.325"></a>
+<span class="sourceLineNo">326</span>  }<a name="line.326"></a>
+<span class="sourceLineNo">327</span><a name="line.327"></a>
+<span class="sourceLineNo">328</span>  private void incRPCcallsMetrics() {<a name="line.328"></a>
+<span class="sourceLineNo">329</span>    if (this.scanMetrics == null) {<a name="line.329"></a>
+<span class="sourceLineNo">330</span>      return;<a name="line.330"></a>
 <span class="sourceLineNo">331</span>    }<a name="line.331"></a>
-<span class="sourceLineNo">332</span>  }<a name="line.332"></a>
-<span class="sourceLineNo">333</span><a name="line.333"></a>
-<span class="sourceLineNo">334</span>  protected void updateResultsMetrics(Result[] rrs) {<a name="line.334"></a>
-<span class="sourceLineNo">335</span>    if (this.scanMetrics == null || rrs == null || rrs.length == 0) {<a name="line.335"></a>
-<span class="sourceLineNo">336</span>      return;<a name="line.336"></a>
-<span class="sourceLineNo">337</span>    }<a name="line.337"></a>
-<span class="sourceLineNo">338</span>    long resultSize = 0;<a name="line.338"></a>
-<span class="sourceLineNo">339</span>    for (Result rr : rrs) {<a name="line.339"></a>
-<span class="sourceLineNo">340</span>      for (Cell cell : rr.rawCells()) {<a name="line.340"></a>
-<span class="sourceLineNo">341</span>        resultSize += CellUtil.estimatedSerializedSizeOf(cell);<a name="line.341"></a>
-<span class="sourceLineNo">342</span>      }<a name="line.342"></a>
-<span class="sourceLineNo">343</span>    }<a name="line.343"></a>
-<span class="sourceLineNo">344</span>    this.scanMetrics.countOfBytesInResults.addAndGet(resultSize);<a name="line.344"></a>
-<span class="sourceLineNo">345</span>    if (isRegionServerRemote) {<a name="line.345"></a>
-<span class="sourceLineNo">346</span>      this.scanMetrics.countOfBytesInRemoteResults.addAndGet(resultSize);<a name="line.346"></a>
+<span class="sourceLineNo">332</span>    this.scanMetrics.countOfRPCcalls.incrementAndGet();<a name="line.332"></a>
+<span class="sourceLineNo">333</span>    if (isRegionServerRemote) {<a name="line.333"></a>
+<span class="sourceLineNo">334</span>      this.scanMetrics.countOfRemoteRPCcalls.incrementAndGet();<a name="line.334"></a>
+<span class="sourceLineNo">335</span>    }<a name="line.335"></a>
+<span class="sourceLineNo">336</span>  }<a name="line.336"></a>
+<span class="sourceLineNo">337</span><a name="line.337"></a>
+<span class="sourceLineNo">338</span>  protected void updateResultsMetrics(Result[] rrs) {<a name="line.338"></a>
+<span class="sourceLineNo">339</span>    if (this.scanMetrics == null || rrs == null || rrs.length == 0) {<a name="line.339"></a>
+<span class="sourceLineNo">340</span>      return;<a name="line.340"></a>
+<span class="sourceLineNo">341</span>    }<a name="line.341"></a>
+<span class="sourceLineNo">342</span>    long resultSize = 0;<a name="line.342"></a>
+<span class="sourceLineNo">343</span>    for (Result rr : rrs) {<a name="line.343"></a>
+<span class="sourceLineNo">344</span>      for (Cell cell : rr.rawCells()) {<a name="line.344"></a>
+<span class="sourceLineNo">345</span>        resultSize += CellUtil.estimatedSerializedSizeOf(cell);<a name="line.345"></a>
+<span class="sourceLineNo">346</span>      }<a name="line.346"></a>
 <span class="sourceLineNo">347</span>    }<a name="line.347"></a>
-<span class="sourceLineNo">348</span>  }<a name="line.348"></a>
-<span class="sourceLineNo">349</span><a name="line.349"></a>
-<span class="sourceLineNo">350</span>  /**<a name="line.350"></a>
-<span class="sourceLineNo">351</span>   * Use the scan metrics returned by the server to add to the identically named counters in the<a name="line.351"></a>
-<span class="sourceLineNo">352</span>   * client side metrics. If a counter does not exist with the same name as the server side metric,<a name="line.352"></a>
-<span class="sourceLineNo">353</span>   * the attempt to increase the counter will fail.<a name="line.353"></a>
-<span class="sourceLineNo">354</span>   * @param response<a name="line.354"></a>
-<span class="sourceLineNo">355</span>   */<a name="line.355"></a>
-<span class="sourceLineNo">356</span>  private void updateServerSideMetrics(ScanResponse response) {<a name="line.356"></a>
-<span class="sourceLineNo">357</span>    if (this.scanMetrics == null || response == null || !response.hasScanMetrics()) return;<a name="line.357"></a>
-<span class="sourceLineNo">358</span><a name="line.358"></a>
-<span class="sourceLineNo">359</span>    Map&lt;String, Long&gt; serverMetrics = ResponseConverter.getScanMetrics(response);<a name="line.359"></a>
-<span class="sourceLineNo">360</span>    for (Entry&lt;String, Long&gt; entry : serverMetrics.entrySet()) {<a name="line.360"></a>
-<span class="sourceLineNo">361</span>      this.scanMetrics.addToCounter(entry.getKey(), entry.getValue());<a name="line.361"></a>
-<span class="sourceLineNo">362</span>    }<a name="line.362"></a>
-<span class="sourceLineNo">363</span>  }<a name="line.363"></a>
-<span class="sourceLineNo">364</span><a name="line.364"></a>
-<span class="sourceLineNo">365</span>  private void close() {<a name="line.365"></a>
-<span class="sourceLineNo">366</span>    if (this.scannerId == -1L) {<a name="line.366"></a>
-<span class="sourceLineNo">367</span>      return;<a name="line.367"></a>
-<span class="sourceLineNo">368</span>    }<a name="line.368"></a>
-<span class="sourceLineNo">369</span>    try {<a name="line.369"></a>
-<span class="sourceLineNo">370</span>      incRPCcallsMetrics();<a name="line.370"></a>
-<span class="sourceLineNo">371</span>      ScanRequest request =<a name="line.371"></a>
-<span class="sourceLineNo">372</span>          RequestConverter.buildScanRequest(this.scannerId, 0, true, this.scanMetrics != null);<a name="line.372"></a>
-<span class="sourceLineNo">373</span>      try {<a name="line.373"></a>
-<span class="sourceLineNo">374</span>        getStub().scan(null, request);<a name="line.374"></a>
-<span class="sourceLineNo">375</span>      } catch (ServiceException se) {<a name="line.375"></a>
-<span class="sourceLineNo">376</span>        throw ProtobufUtil.getRemoteException(se);<a name="line.376"></a>
-<span class="sourceLineNo">377</span>      }<a name="line.377"></a>
-<span class="sourceLineNo">378</span>    } catch (IOException e) {<a name="line.378"></a>
-<span class="sourceLineNo">379</span>      LOG.warn("Ignore, probably already closed", e);<a name="line.379"></a>
-<span class="sourceLineNo">380</span>    }<a name="line.380"></a>
-<span class="sourceLineNo">381</span>    this.scannerId = -1L;<a name="line.381"></a>
-<span class="sourceLineNo">382</span>  }<a name="line.382"></a>
-<span class="sourceLineNo">383</span><a name="line.383"></a>
-<span class="sourceLineNo">384</span>  protected long openScanner() throws IOException {<a name="line.384"></a>
-<span class="sourceLineNo">385</span>    incRPCcallsMetrics();<a name="line.385"></a>
-<span class="sourceLineNo">386</span>    ScanRequest request =<a name="line.386"></a>
-<span class="sourceLineNo">387</span>      RequestConverter.buildScanRequest(<a name="line.387"></a>
-<span class="sourceLineNo">388</span>        getLocation().getRegionInfo().getRegionName(),<a name="line.388"></a>
-<span class="sourceLineNo">389</span>        this.scan, 0, false);<a name="line.389"></a>
-<span class="sourceLineNo">390</span>    try {<a name="line.390"></a>
-<span class="sourceLineNo">391</span>      ScanResponse response = getStub().scan(null, request);<a name="line.391"></a>
-<span class="sourceLineNo">392</span>      long id = response.getScannerId();<a name="line.392"></a>
-<span class="sourceLineNo">393</span>      if (logScannerActivity) {<a name="line.393"></a>
-<span class="sourceLineNo">394</span>        LOG.info("Open scanner=" + id + " for scan=" + scan.toString()<a name="line.394"></a>
-<span class="sourceLineNo">395</span>          + " on region " + getLocation().toString());<a name="line.395"></a>
-<span class="sourceLineNo">396</span>      }<a name="line.396"></a>
-<span class="sourceLineNo">397</span>      return id;<a name="line.397"></a>
-<span class="sourceLineNo">398</span>    } catch (ServiceException se) {<a name="line.398"></a>
-<span class="sourceLineNo">399</span>      throw ProtobufUtil.getRemoteException(se);<a name="line.399"></a>
-<span class="sourceLineNo">400</span>    }<a name="line.400"></a>
-<span class="sourceLineNo">401</span>  }<a name="line.401"></a>
-<span class="sourceLineNo">402</span><a name="line.402"></a>
-<span class="sourceLineNo">403</span>  protected Scan getScan() {<a name="line.403"></a>
-<span class="sourceLineNo">404</span>    return scan;<a name="line.404"></a>
+<span class="sourceLineNo">348</span>    this.scanMetrics.countOfBytesInResults.addAndGet(resultSize);<a name="line.348"></a>
+<span class="sourceLineNo">349</span>    if (isRegionServerRemote) {<a name="line.349"></a>
+<span class="sourceLineNo">350</span>      this.scanMetrics.countOfBytesInRemoteResults.addAndGet(resultSize);<a name="line.350"></a>
+<span class="sourceLineNo">351</span>    }<a name="line.351"></a>
+<span class="sourceLineNo">352</span>  }<a name="line.352"></a>
+<span class="sourceLineNo">353</span><a name="line.353"></a>
+<span class="sourceLineNo">354</span>  /**<a name="line.354"></a>
+<span class="sourceLineNo">355</span>   * Use the scan metrics returned by the server to add to the identically named counters in the<a name="line.355"></a>
+<span class="sourceLineNo">356</span>   * client side metrics. If a counter does not exist with the same name as the server side metric,<a name="line.356"></a>
+<span class="sourceLineNo">357</span>   * the attempt to increase the counter will fail.<a name="line.357"></a>
+<span class="sourceLineNo">358</span>   * @param response<a name="line.358"></a>
+<span class="sourceLineNo">359</span>   */<a name="line.359"></a>
+<span class="sourceLineNo">360</span>  private void updateServerSideMetrics(ScanResponse response) {<a name="line.360"></a>
+<span class="sourceLineNo">361</span>    if (this.scanMetrics == null || response == null || !response.hasScanMetrics()) return;<a name="line.361"></a>
+<span class="sourceLineNo">362</span><a name="line.362"></a>
+<span class="sourceLineNo">363</span>    Map&lt;String, Long&gt; serverMetrics = ResponseConverter.getScanMetrics(response);<a name="line.363"></a>
+<span class="sourceLineNo">364</span>    for (Entry&lt;String, Long&gt; entry : serverMetrics.entrySet()) {<a name="line.364"></a>
+<span class="sourceLineNo">365</span>      this.scanMetrics.addToCounter(entry.getKey(), entry.getValue());<a name="line.365"></a>
+<span class="sourceLineNo">366</span>    }<a name="line.366"></a>
+<span class="sourceLineNo">367</span>  }<a name="line.367"></a>
+<span class="sourceLineNo">368</span><a name="line.368"></a>
+<span class="sourceLineNo">369</span>  private void close() {<a name="line.369"></a>
+<span class="sourceLineNo">370</span>    if (this.scannerId == -1L) {<a name="line.370"></a>
+<span class="sourceLineNo">371</span>      return;<a name="line.371"></a>
+<span class="sourceLineNo">372</span>    }<a name="line.372"></a>
+<span class="sourceLineNo">373</span>    try {<a name="line.373"></a>
+<span class="sourceLineNo">374</span>      incRPCcallsMetrics();<a name="line.374"></a>
+<span class="sourceLineNo">375</span>      ScanRequest request =<a name="line.375"></a>
+<span class="sourceLineNo">376</span>          RequestConverter.buildScanRequest(this.scannerId, 0, true, this.scanMetrics != null);<a name="line.376"></a>
+<span class="sourceLineNo">377</span>      try {<a name="line.377"></a>
+<span class="sourceLineNo">378</span>        getStub().scan(controller, request);<a name="line.378"></a>
+<span class="sourceLineNo">379</span>      } catch (ServiceException se) {<a name="line.379"></a>
+<span class="sourceLineNo">380</span>        throw ProtobufUtil.getRemoteException(se);<a name="line.380"></a>
+<span class="sourceLineNo">381</span>      }<a name="line.381"></a>
+<span class="sourceLineNo">382</span>    } catch (IOException e) {<a name="line.382"></a>
+<span class="sourceLineNo">383</span>      LOG.warn("Ignore, probably already closed", e);<a name="line.383"></a>
+<span class="sourceLineNo">384</span>    }<a name="line.384"></a>
+<span class="sourceLineNo">385</span>    this.scannerId = -1L;<a name="line.385"></a>
+<span class="sourceLineNo">386</span>  }<a name="line.386"></a>
+<span class="sourceLineNo">387</span><a name="line.387"></a>
+<span class="sourceLineNo">388</span>  protected long openScanner() throws IOException {<a name="line.388"></a>
+<span class="sourceLineNo">389</span>    incRPCcallsMetrics();<a name="line.389"></a>
+<span class="sourceLineNo">390</span>    ScanRequest request =<a name="line.390"></a>
+<span class="sourceLineNo">391</span>      RequestConverter.buildScanRequest(<a name="line.391"></a>
+<span class="sourceLineNo">392</span>        getLocation().getRegionInfo().getRegionName(),<a name="line.392"></a>
+<span class="sourceLineNo">393</span>        this.scan, 0, false);<a name="line.393"></a>
+<span class="sourceLineNo">394</span>    try {<a name="line.394"></a>
+<span class="sourceLineNo">395</span>      ScanResponse response = getStub().scan(controller, request);<a name="line.395"></a>
+<span class="sourceLineNo">396</span>      long id = response.getScannerId();<a name="line.396"></a>
+<span class="sourceLineNo">397</span>      if (logScannerActivity) {<a name="line.397"></a>
+<span class="sourceLineNo">398</span>        LOG.info("Open scanner=" + id + " for scan=" + scan.toString()<a name="line.398"></a>
+<span class="sourceLineNo">399</span>          + " on region " + getLocation().toString());<a name="line.399"></a>
+<span class="sourceLineNo">400</span>      }<a name="line.400"></a>
+<span class="sourceLineNo">401</span>      return id;<a name="line.401"></a>
+<span class="sourceLineNo">402</span>    } catch (ServiceException se) {<a name="line.402"></a>
+<span class="sourceLineNo">403</span>      throw ProtobufUtil.getRemoteException(se);<a name="line.403"></a>
+<span class="sourceLineNo">404</span>    }<a name="line.404"></a>
 <span class="sourceLineNo">405</span>  }<a name="line.405"></a>
 <span class="sourceLineNo">406</span><a name="line.406"></a>
-<span class="sourceLineNo">407</span>  /**<a name="line.407"></a>
-<span class="sourceLineNo">408</span>   * Call this when the next invocation of call should close the scanner<a name="line.408"></a>
-<span class="sourceLineNo">409</span>   */<a name="line.409"></a>
-<span class="sourceLineNo">410</span>  public void setClose() {<a name="line.410"></a>
-<span class="sourceLineNo">411</span>    this.closed = true;<a name="line.411"></a>
-<span class="sourceLineNo">412</span>  }<a name="line.412"></a>
-<span class="sourceLineNo">413</span><a name="line.413"></a>
-<span class="sourceLineNo">414</span>  /**<a name="line.414"></a>
-<span class="sourceLineNo">415</span>   * Indicate whether we make a call only to renew the lease, but without affected the scanner in<a name="line.415"></a>
-<span class="sourceLineNo">416</span>   * any other way.<a name="line.416"></a>
-<span class="sourceLineNo">417</span>   * @param val true if only the lease should be renewed<a name="line.417"></a>
-<span class="sourceLineNo">418</span>   */<a name="line.418"></a>
-<span class="sourceLineNo">419</span>  public void setRenew(boolean val) {<a name="line.419"></a>
-<span class="sourceLineNo">420</span>    this.renew = val;<a name="line.420"></a>
-<span class="sourceLineNo">421</span>  }<a name="line.421"></a>
-<span class="sourceLineNo">422</span><a name="line.422"></a>
-<span class="sourceLineNo">423</span>  /**<a name="line.423"></a>
-<span class="sourceLineNo">424</span>   * @return the HRegionInfo for the current region<a name="line.424"></a>
-<span class="sourceLineNo">425</span>   */<a name="line.425"></a>
-<span class="sourceLineNo">426</span>  @Override<a name="line.426"></a>
-<span class="sourceLineNo">427</span>  public HRegionInfo getHRegionInfo() {<a name="line.427"></a>
-<span class="sourceLineNo">428</span>    if (!instantiated) {<a name="line.428"></a>
-<span class="sourceLineNo">429</span>      return null;<a name="line.429"></a>
-<span class="sourceLineNo">430</span>    }<a name="line.430"></a>
-<span class="sourceLineNo">431</span>    return getLocation().getRegionInfo();<a name="line.431"></a>
-<span class="sourceLineNo">432</span>  }<a name="line.432"></a>
-<span class="sourceLineNo">433</span><a name="line.433"></a>
-<span class="sourceLineNo">434</span>  /**<a name="line.434"></a>
-<span class="sourceLineNo">435</span>   * Get the number of rows that will be fetched on next<a name="line.435"></a>
-<span class="sourceLineNo">436</span>   * @return the number of rows for caching<a name="line.436"></a>
-<span class="sourceLineNo">437</span>   */<a name="line.437"></a>
-<span class="sourceLineNo">438</span>  public int getCaching() {<a name="line.438"></a>
-<span class="sourceLineNo">439</span>    return caching;<a name="line.439"></a>
-<span class="sourceLineNo">440</span>  }<a name="line.440"></a>
-<span class="sourceLineNo">441</span><a name="line.441"></a>
-<span class="sourceLineNo">442</span>  @Override<a name="line.442"></a>
-<span class="sourceLineNo">443</span>  public ClusterConnection getConnection() {<a name="line.443"></a>
-<span class="sourceLineNo">444</span>    return cConnection;<a name="line.444"></a>
-<span class="sourceLineNo">445</span>  }<a name="line.445"></a>
-<span class="sourceLineNo">446</span><a name="line.446"></a>
-<span class="sourceLineNo">447</span>  /**<a name="line.447"></a>
-<span class="sourceLineNo">448</span>   * Set the number of rows that will be fetched on next<a name="line.448"></a>
-<span class="sourceLineNo">449</span>   * @param caching the number of rows for caching<a name="line.449"></a>
-<span class="sourceLineNo">450</span>   */<a name="line.450"></a>
-<span class="sourceLineNo">451</span>  public void setCaching(int caching) {<a name="line.451"></a>
-<span class="sourceLineNo">452</span>    this.caching = caching;<a name="line.452"></a>
-<span class="sourceLineNo">453</span>  }<a name="line.453"></a>
-<span class="sourceLineNo">454</span><a name="line.454"></a>
-<span class="sourceLineNo">455</span>  public ScannerCallable getScannerCallableForReplica(int id) {<a name="line.455"></a>
-<span class="sourceLineNo">456</span>    ScannerCallable s = new ScannerCallable(this.getConnection(), this.tableName,<a name="line.456"></a>
-<span class="sourceLineNo">457</span>        this.getScan(), this.scanMetrics, controllerFactory, id);<a name="line.457"></a>
-<span class="sourceLineNo">458</span>    s.setCaching(this.caching);<a name="line.458"></a>
-<span class="sourceLineNo">459</span>    return s;<a name="line.459"></a>
-<span class="sourceLineNo">460</span>  }<a name="line.460"></a>
-<span class="sourceLineNo">461</span><a name="line.461"></a>
-<span class="sourceLineNo">462</span>  /**<a name="line.462"></a>
-<span class="sourceLineNo">463</span>   * Should the client attempt to fetch more results from this region<a name="line.463"></a>
-<span class="sourceLineNo">464</span>   * @return True if the client should attempt to fetch more results, false otherwise.<a name="line.464"></a>
-<span class="sourceLineNo">465</span>   */<a name="line.465"></a>
-<span class="sourceLineNo">466</span>  protected boolean getServerHasMoreResults() {<a name="line.466"></a>
-<span class="sourceLineNo">467</span>    assert serverHasMoreResultsContext;<a name="line.467"></a>
-<span class="sourceLineNo">468</span>    return this.serverHasMoreResults;<a name="line.468"></a>
-<span class="sourceLineNo">469</span>  }<a name="line.469"></a>
-<span class="sourceLineNo">470</span><a name="line.470"></a>
-<span class="sourceLineNo">471</span>  protected void setServerHasMoreResults(boolean serverHasMoreResults) {<a name="line.471"></a>
-<span class="sourceLineNo">472</span>    this.serverHasMoreResults = serverHasMoreResults;<a name="line.472"></a>
+<span class="sourceLineNo">407</span>  protected Scan getScan() {<a name="line.407"></a>
+<span class="sourceLineNo">408</span>    return scan;<a name="line.408"></a>
+<span class="sourceLineNo">409</span>  }<a name="line.409"></a>
+<span class="sourceLineNo">410</span><a name="line.410"></a>
+<span class="sourceLineNo">411</span>  /**<a name="line.411"></a>
+<span class="sourceLineNo">412</span>   * Call this when the next invocation of call should close the scanner<a name="line.412"></a>
+<span class="sourceLineNo">413</span>   */<a name="line.413"></a>
+<span class="sourceLineNo">414</span>  public void setClose() {<a name="line.414"></a>
+<span class="sourceLineNo">415</span>    this.closed = true;<a name="line.415"></a>
+<span class="sourceLineNo">416</span>  }<a name="line.416"></a>
+<span class="sourceLineNo">417</span><a name="line.417"></a>
+<span class="sourceLineNo">418</span>  /**<a name="line.418"></a>
+<span class="sourceLineNo">419</span>   * Indicate whether we make a call only to renew the lease, but without affected the scanner in<a name="line.419"></a>
+<span class="sourceLineNo">420</span>   * any other way.<a name="line.420"></a>
+<span class="sourceLineNo">421</span>   * @param val true if only the lease should be renewed<a name="line.421"></a>
+<span class="sourceLineNo">422</span>   */<a name="line.422"></a>
+<span class="sourceLineNo">423</span>  public void setRenew(boolean val) {<a name="line.423"></a>
+<span class="sourceLineNo">424</span>    this.renew = val;<a name="line.424"></a>
+<span class="sourceLineNo">425</span>  }<a name="line.425"></a>
+<span class="sourceLineNo">426</span><a name="line.426"></a>
+<span class="sourceLineNo">427</span>  /**<a name="line.427"></a>
+<span class="sourceLineNo">428</span>   * @return the HRegionInfo for the current region<a name="line.428"></a>
+<span class="sourceLineNo">429</span>   */<a name="line.429"></a>
+<span class="sourceLineNo">430</span>  @Override<a name="line.430"></a>
+<span class="sourceLineNo">431</span>  public HRegionInfo getHRegionInfo() {<a name="line.431"></a>
+<span class="sourceLineNo">432</span>    if (!instantiated) {<a name="line.432"></a>
+<span class="sourceLineNo">433</span>      return null;<a name="line.433"></a>
+<span class="sourceLineNo">434</span>    }<a name="line.434"></a>
+<span class="sourceLineNo">435</span>    return getLocation().getRegionInfo();<a name="line.435"></a>
+<span class="sourceLineNo">436</span>  }<a name="line.436"></a>
+<span class="sourceLineNo">437</span><a name="line.437"></a>
+<span class="sourceLineNo">438</span>  /**<a name="line.438"></a>
+<span class="sourceLineNo">439</span>   * Get the number of rows that will be fetched on next<a name="line.439"></a>
+<span class="sourceLineNo">440</span>   * @return the number of rows for caching<a name="line.440"></a>
+<span class="sourceLineNo">441</span>   */<a name="line.441"></a>
+<span class="sourceLineNo">442</span>  public int getCaching() {<a name="line.442"></a>
+<span class="sourceLineNo">443</span>    return caching;<a name="line.443"></a>
+<span class="sourceLineNo">444</span>  }<a name="line.444"></a>
+<span class="sourceLineNo">445</span><a name="line.445"></a>
+<span class="sourceLineNo">446</span>  @Override<a name="line.446"></a>
+<span class="sourceLineNo">447</span>  public ClusterConnection getConnection() {<a name="line.447"></a>
+<span class="sourceLineNo">448</span>    return cConnection;<a name="line.448"></a>
+<span class="sourceLineNo">449</span>  }<a name="line.449"></a>
+<span class="sourceLineNo">450</span><a name="line.450"></a>
+<span class="sourceLineNo">451</span>  /**<a name="line.451"></a>
+<span class="sourceLineNo">452</span>   * Set the number of rows that will be fetched on next<a name="line.452"></a>
+<span class="sourceLineNo">453</span>   * @param caching the number of rows for caching<a name="line.453"></a>
+<span class="sourceLineNo">454</span>   */<a name="line.454"></a>
+<span class="sourceLineNo">455</span>  public void setCaching(int caching) {<a name="line.455"></a>
+<span class="sourceLineNo">456</span>    this.caching = caching;<a name="line.456"></a>
+<span class="sourceLineNo">457</span>  }<a name="line.457"></a>
+<span class="sourceLineNo">458</span><a name="line.458"></a>
+<span class="sourceLineNo">459</span>  public ScannerCallable getScannerCallableForReplica(int id) {<a name="line.459"></a>
+<span class="sourceLineNo">460</span>    ScannerCallable s = new ScannerCallable(this.getConnection(), this.tableName,<a name="line.460"></a>
+<span class="sourceLineNo">461</span>        this.getScan(), this.scanMetrics, controllerFactory, id);<a name="line.461"></a>
+<span class="sourceLineNo">462</span>    s.setCaching(this.caching);<a name="line.462"></a>
+<span class="sourceLineNo">463</span>    return s;<a name="line.463"></a>
+<span class="sourceLineNo">464</span>  }<a name="line.464"></a>
+<span class="sourceLineNo">465</span><a name="line.465"></a>
+<span class="sourceLineNo">466</span>  /**<a name="line.466"></a>
+<span class="sourceLineNo">467</span>   * Should the client attempt to fetch more results from this region<a name="line.467"></a>
+<span class="sourceLineNo">468</span>   * @return True if the client should attempt to fetch more results, false otherwise.<a name="line.468"></a>
+<span class="sourceLineNo">469</span>   */<a name="line.469"></a>
+<span class="sourceLineNo">470</span>  protected boolean getServerHasMoreResults() {<a name="line.470"></a>
+<span class="sourceLineNo">471</span>    assert serverHasMoreResultsContext;<a name="line.471"></a>
+<span class="sourceLineNo">472</span>    return this.serverHasMoreResults;<a name="line.472"></a>
 <span class="sourceLineNo">473</span>  }<a name="line.473"></a>
 <span class="sourceLineNo">474</span><a name="line.474"></a>
-<span class="sourceLineNo">475</span>  /**<a name="line.475"></a>
-<span class="sourceLineNo">476</span>   * Did the server respond with information about whether more results might exist.<a name="line.476"></a>
-<span class="sourceLineNo">477</span>   * Not guaranteed to respond with older server versions<a name="line.477"></a>
-<span class="sourceLineNo">478</span>   * @return True if the server responded with information about more results.<a name="line.478"></a>
-<span class="sourceLineNo">479</span>   */<a name="line.479"></a>
-<span class="sourceLineNo">480</span>  protected boolean hasMoreResultsContext() {<a name="line.480"></a>
-<span class="sourceLineNo">481</span>    return serverHasMoreResultsContext;<a name="line.481"></a>
-<span class="sourceLineNo">482</span>  }<a name="line.482"></a>
-<span class="sourceLineNo">483</span><a name="line.483"></a>
-<span class="sourceLineNo">484</span>  protected void setHasMoreResultsContext(boolean serverHasMoreResultsContext) {<a name="line.484"></a>
-<span class="sourceLineNo">485</span>    this.serverHasMoreResultsContext = serverHasMoreResultsContext;<a name="line.485"></a>
+<span class="sourceLineNo">475</span>  protected void setServerHasMoreResults(boolean serverHasMoreResults) {<a name="line.475"></a>
+<span class="sourceLineNo">476</span>    this.serverHasMoreResults = serverHasMoreResults;<a name="line.476"></a>
+<span class="sourceLineNo">477</span>  }<a name="line.477"></a>
+<span class="sourceLineNo">478</span><a name="line.478"></a>
+<span class="sourceLineNo">479</span>  /**<a name="line.479"></a>
+<span class="sourceLineNo">480</span>   * Did the server respond with information about whether more results might exist.<a name="line.480"></a>
+<span class="sourceLineNo">481</span>   * Not guaranteed to respond with older server versions<a name="line.481"></a>
+<span class="sourceLineNo">482</span>   * @return True if the server responded with information about more results.<a name="line.482"></a>
+<span class="sourceLineNo">483</span>   */<a name="line.483"></a>
+<span class="sourceLineNo">484</span>  protected boolean hasMoreResultsContext() {<a name="line.484"></a>
+<span class="sourceLineNo">485</span>    return serverHasMoreResultsContext;<a name="line.485"></a>
 <span class="sourceLineNo">486</span>  }<a name="line.486"></a>
-<span class="sourceLineNo">487</span>}<a name="line.487"></a>
+<span class="sourceLineNo">487</span><a name="line.487"></a>
+<span class="sourceLineNo">488</span>  protected void setHasMoreResultsContext(boolean serverHasMoreResultsContext) {<a name="line.488"></a>
+<span class="sourceLineNo">489</span>    this.serverHasMoreResultsContext = serverHasMoreResultsContext;<a name="line.489"></a>
+<span class="sourceLineNo">490</span>  }<a name="line.490"></a>
+<span class="sourceLineNo">491</span>}<a name="line.491"></a>
 
 
 

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/a8725a46/devapidocs/src-html/org/apache/hadoop/hbase/io/ByteBufferInputStream.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/io/ByteBufferInputStream.html b/devapidocs/src-html/org/apache/hadoop/hbase/io/ByteBufferInputStream.html
new file mode 100644
index 0000000..b53b902
--- /dev/null
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/io/ByteBufferInputStream.html
@@ -0,0 +1,179 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<html lang="en">
+<head>
+<title>Source code</title>
+<link rel="stylesheet" type="text/css" href="../../../../../../stylesheet.css" title="Style">
+</head>
+<body>
+<div class="sourceContainer">
+<pre><span class="sourceLineNo">001</span>/**<a name="line.1"></a>
+<span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a>
+<span class="sourceLineNo">003</span> * or more contributor license agreements.  See the NOTICE file<a name="line.3"></a>
+<span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a>
+<span class="sourceLineNo">005</span> * regarding copyright ownership.  The ASF licenses this file<a name="line.5"></a>
+<span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a>
+<span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a>
+<span class="sourceLineNo">008</span> * with the License.  You may obtain a copy of the License at<a name="line.8"></a>
+<span class="sourceLineNo">009</span> *<a name="line.9"></a>
+<span class="sourceLineNo">010</span> *     http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a>
+<span class="sourceLineNo">011</span> *<a name="line.11"></a>
+<span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a>
+<span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a>
+<span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a>
+<span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a>
+<span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a>
+<span class="sourceLineNo">017</span> */<a name="line.17"></a>
+<span class="sourceLineNo">018</span>package org.apache.hadoop.hbase.io;<a name="line.18"></a>
+<span class="sourceLineNo">019</span><a name="line.19"></a>
+<span class="sourceLineNo">020</span>import java.io.InputStream;<a name="line.20"></a>
+<span class="sourceLineNo">021</span>import java.nio.ByteBuffer;<a name="line.21"></a>
+<span class="sourceLineNo">022</span><a name="line.22"></a>
+<span class="sourceLineNo">023</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.23"></a>
+<span class="sourceLineNo">024</span>import org.apache.hadoop.hbase.util.ByteBufferUtils;<a name="line.24"></a>
+<span class="sourceLineNo">025</span><a name="line.25"></a>
+<span class="sourceLineNo">026</span>/**<a name="line.26"></a>
+<span class="sourceLineNo">027</span> * Not thread safe!<a name="line.27"></a>
+<span class="sourceLineNo">028</span> * &lt;p&gt;<a name="line.28"></a>
+<span class="sourceLineNo">029</span> * Please note that the reads will cause position movement on wrapped ByteBuffer.<a name="line.29"></a>
+<span class="sourceLineNo">030</span> */<a name="line.30"></a>
+<span class="sourceLineNo">031</span>@InterfaceAudience.Private<a name="line.31"></a>
+<span class="sourceLineNo">032</span>public class ByteBufferInputStream extends InputStream {<a name="line.32"></a>
+<span class="sourceLineNo">033</span><a name="line.33"></a>
+<span class="sourceLineNo">034</span>  private ByteBuffer buf;<a name="line.34"></a>
+<span class="sourceLineNo">035</span><a name="line.35"></a>
+<span class="sourceLineNo">036</span>  public ByteBufferInputStream(ByteBuffer buf) {<a name="line.36"></a>
+<span class="sourceLineNo">037</span>    this.buf = buf;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>  }<a name="line.38"></a>
+<span class="sourceLineNo">039</span><a name="line.39"></a>
+<span class="sourceLineNo">040</span>  /**<a name="line.40"></a>
+<span class="sourceLineNo">041</span>   * Reads the next byte of data from this input stream. The value byte is returned as an<a name="line.41"></a>
+<span class="sourceLineNo">042</span>   * &lt;code&gt;int&lt;/code&gt; in the range &lt;code&gt;0&lt;/code&gt; to &lt;code&gt;255&lt;/code&gt;. If no byte is available<a name="line.42"></a>
+<span class="sourceLineNo">043</span>   * because the end of the stream has been reached, the value &lt;code&gt;-1&lt;/code&gt; is returned.<a name="line.43"></a>
+<span class="sourceLineNo">044</span>   * @return the next byte of data, or &lt;code&gt;-1&lt;/code&gt; if the end of the stream has been reached.<a name="line.44"></a>
+<span class="sourceLineNo">045</span>   */<a name="line.45"></a>
+<span class="sourceLineNo">046</span>  @Override<a name="line.46"></a>
+<span class="sourceLineNo">047</span>  public int read() {<a name="line.47"></a>
+<span class="sourceLineNo">048</span>    if (this.buf.hasRemaining()) {<a name="line.48"></a>
+<span class="sourceLineNo">049</span>      return (this.buf.get() &amp; 0xff);<a name="line.49"></a>
+<span class="sourceLineNo">050</span>    }<a name="line.50"></a>
+<span class="sourceLineNo">051</span>    return -1;<a name="line.51"></a>
+<span class="sourceLineNo">052</span>  }<a name="line.52"></a>
+<span class="sourceLineNo">053</span><a name="line.53"></a>
+<span class="sourceLineNo">054</span>  /**<a name="line.54"></a>
+<span class="sourceLineNo">055</span>   * Reads up to next &lt;code&gt;len&lt;/code&gt; bytes of data from buffer into passed array(starting from<a name="line.55"></a>
+<span class="sourceLineNo">056</span>   * given offset).<a name="line.56"></a>
+<span class="sourceLineNo">057</span>   * @param b the array into which the data is read.<a name="line.57"></a>
+<span class="sourceLineNo">058</span>   * @param off the start offset in the destination array &lt;code&gt;b&lt;/code&gt;<a name="line.58"></a>
+<span class="sourceLineNo">059</span>   * @param len the maximum number of bytes to read.<a name="line.59"></a>
+<span class="sourceLineNo">060</span>   * @return the total number of bytes actually read into the buffer, or &lt;code&gt;-1&lt;/code&gt; if not even<a name="line.60"></a>
+<span class="sourceLineNo">061</span>   *         1 byte can be read because the end of the stream has been reached.<a name="line.61"></a>
+<span class="sourceLineNo">062</span>   */<a name="line.62"></a>
+<span class="sourceLineNo">063</span>  @Override<a name="line.63"></a>
+<span class="sourceLineNo">064</span>  public int read(byte[] b, int off, int len) {<a name="line.64"></a>
+<span class="sourceLineNo">065</span>    int avail = available();<a name="line.65"></a>
+<span class="sourceLineNo">066</span>    if (avail &lt;= 0) {<a name="line.66"></a>
+<span class="sourceLineNo">067</span>      return -1;<a name="line.67"></a>
+<span class="sourceLineNo">068</span>    }<a name="line.68"></a>
+<span class="sourceLineNo">069</span><a name="line.69"></a>
+<span class="sourceLineNo">070</span>    if (len &gt; avail) {<a name="line.70"></a>
+<span class="sourceLineNo">071</span>      len = avail;<a name="line.71"></a>
+<span class="sourceLineNo">072</span>    }<a name="line.72"></a>
+<span class="sourceLineNo">073</span>    if (len &lt;= 0) {<a name="line.73"></a>
+<span class="sourceLineNo">074</span>      return 0;<a name="line.74"></a>
+<span class="sourceLineNo">075</span>    }<a name="line.75"></a>
+<span class="sourceLineNo">076</span><a name="line.76"></a>
+<span class="sourceLineNo">077</span>    ByteBufferUtils.copyFromBufferToArray(b, this.buf, this.buf.position(), off, len);<a name="line.77"></a>
+<span class="sourceLineNo">078</span>    this.buf.position(this.buf.position() + len); // we should advance the buffer position<a name="line.78"></a>
+<span class="sourceLineNo">079</span>    return len;<a name="line.79"></a>
+<span class="sourceLineNo">080</span>  }<a name="line.80"></a>
+<span class="sourceLineNo">081</span><a name="line.81"></a>
+<span class="sourceLineNo">082</span>  /**<a name="line.82"></a>
+<span class="sourceLineNo">083</span>   * Skips &lt;code&gt;n&lt;/code&gt; bytes of input from this input stream. Fewer bytes might be skipped if the<a name="line.83"></a>
+<span class="sourceLineNo">084</span>   * end of the input stream is reached. The actual number &lt;code&gt;k&lt;/code&gt; of bytes to be skipped is<a name="line.84"></a>
+<span class="sourceLineNo">085</span>   * equal to the smaller of &lt;code&gt;n&lt;/code&gt; and remaining bytes in the stream.<a name="line.85"></a>
+<span class="sourceLineNo">086</span>   * @param n the number of bytes to be skipped.<a name="line.86"></a>
+<span class="sourceLineNo">087</span>   * @return the actual number of bytes skipped.<a name="line.87"></a>
+<span class="sourceLineNo">088</span>   */<a name="line.88"></a>
+<span class="sourceLineNo">089</span>  @Override<a name="line.89"></a>
+<span class="sourceLineNo">090</span>  public long skip(long n) {<a name="line.90"></a>
+<span class="sourceLineNo">091</span>    long k = Math.min(n, available());<a name="line.91"></a>
+<span class="sourceLineNo">092</span>    if (k &lt; 0) {<a name="line.92"></a>
+<span class="sourceLineNo">093</span>      k = 0;<a name="line.93"></a>
+<span class="sourceLineNo">094</span>    }<a name="line.94"></a>
+<span class="sourceLineNo">095</span>    this.buf.position((int) (this.buf.position() + k));<a name="line.95"></a>
+<span class="sourceLineNo">096</span>    return k;<a name="line.96"></a>
+<span class="sourceLineNo">097</span>  }<a name="line.97"></a>
+<span class="sourceLineNo">098</span><a name="line.98"></a>
+<span class="sourceLineNo">099</span>  /**<a name="line.99"></a>
+<span class="sourceLineNo">100</span>   * @return  the number of remaining bytes that can be read (or skipped<a name="line.100"></a>
+<span class="sourceLineNo">101</span>   *          over) from this input stream.<a name="line.101"></a>
+<span class="sourceLineNo">102</span>   */<a name="line.102"></a>
+<span class="sourceLineNo">103</span>  @Override<a name="line.103"></a>
+<span class="sourceLineNo">104</span>  public int available() {<a name="line.104"></a>
+<span class="sourceLineNo">105</span>    return this.buf.remaining();<a name="line.105"></a>
+<span class="sourceLineNo">106</span>  }<a name="line.106"></a>
+<span class="sourceLineNo">107</span>}<a name="line.107"></a>
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+</pre>
+</div>
+</body>
+</html>

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/a8725a46/devapidocs/src-html/org/apache/hadoop/hbase/ipc/AsyncRpcChannel.CallWriteListener.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/ipc/AsyncRpcChannel.CallWriteListener.html b/devapidocs/src-html/org/apache/hadoop/hbase/ipc/AsyncRpcChannel.CallWriteListener.html
index 86ba709..f4bddcd 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/ipc/AsyncRpcChannel.CallWriteListener.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/ipc/AsyncRpcChannel.CallWriteListener.html
@@ -420,7 +420,7 @@
 <span class="sourceLineNo">412</span>        requestHeaderBuilder.setCellBlockMeta(cellBlockBuilder.build());<a name="line.412"></a>
 <span class="sourceLineNo">413</span>      }<a name="line.413"></a>
 <span class="sourceLineNo">414</span>      // Only pass priority if there one.  Let zero be same as no priority.<a name="line.414"></a>
-<span class="sourceLineNo">415</span>      if (call.controller.getPriority() != 0) {<a name="line.415"></a>
+<span class="sourceLineNo">415</span>      if (call.controller.getPriority() != PayloadCarryingRpcController.PRIORITY_UNSET) {<a name="line.415"></a>
 <span class="sourceLineNo">416</span>        requestHeaderBuilder.setPriority(call.controller.getPriority());<a name="line.416"></a>
 <span class="sourceLineNo">417</span>      }<a name="line.417"></a>
 <span class="sourceLineNo">418</span><a name="line.418"></a>
@@ -668,96 +668,97 @@
 <span class="sourceLineNo">660</span>  private void handleSaslConnectionFailure(final int currRetries, final Throwable ex,<a name="line.660"></a>
 <span class="sourceLineNo">661</span>      final UserGroupInformation user) throws IOException, InterruptedException {<a name="line.661"></a>
 <span class="sourceLineNo">662</span>    user.doAs(new PrivilegedExceptionAction&lt;Void&gt;() {<a name="line.662"></a>
-<span class="sourceLineNo">663</span>      public Void run() throws IOException, InterruptedException {<a name="line.663"></a>
-<span class="sourceLineNo">664</span>        if (shouldAuthenticateOverKrb()) {<a name="line.664"></a>
-<span class="sourceLineNo">665</span>          if (currRetries &lt; MAX_SASL_RETRIES) {<a name="line.665"></a>
-<span class="sourceLineNo">666</span>            LOG.debug("Exception encountered while connecting to the server : " + ex);<a name="line.666"></a>
-<span class="sourceLineNo">667</span>            //try re-login<a name="line.667"></a>
-<span class="sourceLineNo">668</span>            if (UserGroupInformation.isLoginKeytabBased()) {<a name="line.668"></a>
-<span class="sourceLineNo">669</span>              UserGroupInformation.getLoginUser().reloginFromKeytab();<a name="line.669"></a>
-<span class="sourceLineNo">670</span>            } else {<a name="line.670"></a>
-<span class="sourceLineNo">671</span>              UserGroupInformation.getLoginUser().reloginFromTicketCache();<a name="line.671"></a>
-<span class="sourceLineNo">672</span>            }<a name="line.672"></a>
-<span class="sourceLineNo">673</span><a name="line.673"></a>
-<span class="sourceLineNo">674</span>            // Should reconnect<a name="line.674"></a>
-<span class="sourceLineNo">675</span>            return null;<a name="line.675"></a>
-<span class="sourceLineNo">676</span>          } else {<a name="line.676"></a>
-<span class="sourceLineNo">677</span>            String msg = "Couldn't setup connection for " +<a name="line.677"></a>
-<span class="sourceLineNo">678</span>                UserGroupInformation.getLoginUser().getUserName() +<a name="line.678"></a>
-<span class="sourceLineNo">679</span>                " to " + serverPrincipal;<a name="line.679"></a>
-<span class="sourceLineNo">680</span>            LOG.warn(msg);<a name="line.680"></a>
-<span class="sourceLineNo">681</span>            throw (IOException) new IOException(msg).initCause(ex);<a name="line.681"></a>
-<span class="sourceLineNo">682</span>          }<a name="line.682"></a>
-<span class="sourceLineNo">683</span>        } else {<a name="line.683"></a>
-<span class="sourceLineNo">684</span>          LOG.warn("Exception encountered while connecting to " +<a name="line.684"></a>
-<span class="sourceLineNo">685</span>              "the server : " + ex);<a name="line.685"></a>
-<span class="sourceLineNo">686</span>        }<a name="line.686"></a>
-<span class="sourceLineNo">687</span>        if (ex instanceof RemoteException) {<a name="line.687"></a>
-<span class="sourceLineNo">688</span>          throw (RemoteException) ex;<a name="line.688"></a>
-<span class="sourceLineNo">689</span>        }<a name="line.689"></a>
-<span class="sourceLineNo">690</span>        if (ex instanceof SaslException) {<a name="line.690"></a>
-<span class="sourceLineNo">691</span>          String msg = "SASL authentication failed." +<a name="line.691"></a>
-<span class="sourceLineNo">692</span>              " The most likely cause is missing or invalid credentials." +<a name="line.692"></a>
-<span class="sourceLineNo">693</span>              " Consider 'kinit'.";<a name="line.693"></a>
-<span class="sourceLineNo">694</span>          LOG.fatal(msg, ex);<a name="line.694"></a>
-<span class="sourceLineNo">695</span>          throw new RuntimeException(msg, ex);<a name="line.695"></a>
-<span class="sourceLineNo">696</span>        }<a name="line.696"></a>
-<span class="sourceLineNo">697</span>        throw new IOException(ex);<a name="line.697"></a>
-<span class="sourceLineNo">698</span>      }<a name="line.698"></a>
-<span class="sourceLineNo">699</span>    });<a name="line.699"></a>
-<span class="sourceLineNo">700</span>  }<a name="line.700"></a>
-<span class="sourceLineNo">701</span><a name="line.701"></a>
-<span class="sourceLineNo">702</span>  public int getConnectionHashCode() {<a name="line.702"></a>
-<span class="sourceLineNo">703</span>    return ConnectionId.hashCode(ticket, serviceName, address);<a name="line.703"></a>
-<span class="sourceLineNo">704</span>  }<a name="line.704"></a>
-<span class="sourceLineNo">705</span>  <a name="line.705"></a>
-<span class="sourceLineNo">706</span>  @Override<a name="line.706"></a>
-<span class="sourceLineNo">707</span>  public int hashCode() {<a name="line.707"></a>
-<span class="sourceLineNo">708</span>    return getConnectionHashCode();<a name="line.708"></a>
-<span class="sourceLineNo">709</span>  }<a name="line.709"></a>
-<span class="sourceLineNo">710</span>     <a name="line.710"></a>
-<span class="sourceLineNo">711</span>  @Override<a name="line.711"></a>
-<span class="sourceLineNo">712</span>  public boolean equals(Object obj) {<a name="line.712"></a>
-<span class="sourceLineNo">713</span>    if (obj instanceof AsyncRpcChannel) {<a name="line.713"></a>
-<span class="sourceLineNo">714</span>      AsyncRpcChannel channel = (AsyncRpcChannel) obj;<a name="line.714"></a>
-<span class="sourceLineNo">715</span>      return channel.hashCode() == obj.hashCode();<a name="line.715"></a>
-<span class="sourceLineNo">716</span>    }<a name="line.716"></a>
-<span class="sourceLineNo">717</span>    return false;<a name="line.717"></a>
-<span class="sourceLineNo">718</span>  }<a name="line.718"></a>
-<span class="sourceLineNo">719</span><a name="line.719"></a>
+<span class="sourceLineNo">663</span>      @Override<a name="line.663"></a>
+<span class="sourceLineNo">664</span>      public Void run() throws IOException, InterruptedException {<a name="line.664"></a>
+<span class="sourceLineNo">665</span>        if (shouldAuthenticateOverKrb()) {<a name="line.665"></a>
+<span class="sourceLineNo">666</span>          if (currRetries &lt; MAX_SASL_RETRIES) {<a name="line.666"></a>
+<span class="sourceLineNo">667</span>            LOG.debug("Exception encountered while connecting to the server : " + ex);<a name="line.667"></a>
+<span class="sourceLineNo">668</span>            //try re-login<a name="line.668"></a>
+<span class="sourceLineNo">669</span>            if (UserGroupInformation.isLoginKeytabBased()) {<a name="line.669"></a>
+<span class="sourceLineNo">670</span>              UserGroupInformation.getLoginUser().reloginFromKeytab();<a name="line.670"></a>
+<span class="sourceLineNo">671</span>            } else {<a name="line.671"></a>
+<span class="sourceLineNo">672</span>              UserGroupInformation.getLoginUser().reloginFromTicketCache();<a name="line.672"></a>
+<span class="sourceLineNo">673</span>            }<a name="line.673"></a>
+<span class="sourceLineNo">674</span><a name="line.674"></a>
+<span class="sourceLineNo">675</span>            // Should reconnect<a name="line.675"></a>
+<span class="sourceLineNo">676</span>            return null;<a name="line.676"></a>
+<span class="sourceLineNo">677</span>          } else {<a name="line.677"></a>
+<span class="sourceLineNo">678</span>            String msg = "Couldn't setup connection for " +<a name="line.678"></a>
+<span class="sourceLineNo">679</span>                UserGroupInformation.getLoginUser().getUserName() +<a name="line.679"></a>
+<span class="sourceLineNo">680</span>                " to " + serverPrincipal;<a name="line.680"></a>
+<span class="sourceLineNo">681</span>            LOG.warn(msg);<a name="line.681"></a>
+<span class="sourceLineNo">682</span>            throw (IOException) new IOException(msg).initCause(ex);<a name="line.682"></a>
+<span class="sourceLineNo">683</span>          }<a name="line.683"></a>
+<span class="sourceLineNo">684</span>        } else {<a name="line.684"></a>
+<span class="sourceLineNo">685</span>          LOG.warn("Exception encountered while connecting to " +<a name="line.685"></a>
+<span class="sourceLineNo">686</span>              "the server : " + ex);<a name="line.686"></a>
+<span class="sourceLineNo">687</span>        }<a name="line.687"></a>
+<span class="sourceLineNo">688</span>        if (ex instanceof RemoteException) {<a name="line.688"></a>
+<span class="sourceLineNo">689</span>          throw (RemoteException) ex;<a name="line.689"></a>
+<span class="sourceLineNo">690</span>        }<a name="line.690"></a>
+<span class="sourceLineNo">691</span>        if (ex instanceof SaslException) {<a name="line.691"></a>
+<span class="sourceLineNo">692</span>          String msg = "SASL authentication failed." +<a name="line.692"></a>
+<span class="sourceLineNo">693</span>              " The most likely cause is missing or invalid credentials." +<a name="line.693"></a>
+<span class="sourceLineNo">694</span>              " Consider 'kinit'.";<a name="line.694"></a>
+<span class="sourceLineNo">695</span>          LOG.fatal(msg, ex);<a name="line.695"></a>
+<span class="sourceLineNo">696</span>          throw new RuntimeException(msg, ex);<a name="line.696"></a>
+<span class="sourceLineNo">697</span>        }<a name="line.697"></a>
+<span class="sourceLineNo">698</span>        throw new IOException(ex);<a name="line.698"></a>
+<span class="sourceLineNo">699</span>      }<a name="line.699"></a>
+<span class="sourceLineNo">700</span>    });<a name="line.700"></a>
+<span class="sourceLineNo">701</span>  }<a name="line.701"></a>
+<span class="sourceLineNo">702</span><a name="line.702"></a>
+<span class="sourceLineNo">703</span>  public int getConnectionHashCode() {<a name="line.703"></a>
+<span class="sourceLineNo">704</span>    return ConnectionId.hashCode(ticket, serviceName, address);<a name="line.704"></a>
+<span class="sourceLineNo">705</span>  }<a name="line.705"></a>
+<span class="sourceLineNo">706</span><a name="line.706"></a>
+<span class="sourceLineNo">707</span>  @Override<a name="line.707"></a>
+<span class="sourceLineNo">708</span>  public int hashCode() {<a name="line.708"></a>
+<span class="sourceLineNo">709</span>    return getConnectionHashCode();<a name="line.709"></a>
+<span class="sourceLineNo">710</span>  }<a name="line.710"></a>
+<span class="sourceLineNo">711</span><a name="line.711"></a>
+<span class="sourceLineNo">712</span>  @Override<a name="line.712"></a>
+<span class="sourceLineNo">713</span>  public boolean equals(Object obj) {<a name="line.713"></a>
+<span class="sourceLineNo">714</span>    if (obj instanceof AsyncRpcChannel) {<a name="line.714"></a>
+<span class="sourceLineNo">715</span>      AsyncRpcChannel channel = (AsyncRpcChannel) obj;<a name="line.715"></a>
+<span class="sourceLineNo">716</span>      return channel.hashCode() == obj.hashCode();<a name="line.716"></a>
+<span class="sourceLineNo">717</span>    }<a name="line.717"></a>
+<span class="sourceLineNo">718</span>    return false;<a name="line.718"></a>
+<span class="sourceLineNo">719</span>  }<a name="line.719"></a>
 <span class="sourceLineNo">720</span><a name="line.720"></a>
-<span class="sourceLineNo">721</span>  @Override<a name="line.721"></a>
-<span class="sourceLineNo">722</span>  public String toString() {<a name="line.722"></a>
-<span class="sourceLineNo">723</span>    return this.address.toString() + "/" + this.serviceName + "/" + this.ticket;<a name="line.723"></a>
-<span class="sourceLineNo">724</span>  }<a name="line.724"></a>
-<span class="sourceLineNo">725</span><a name="line.725"></a>
-<span class="sourceLineNo">726</span>  /**<a name="line.726"></a>
-<span class="sourceLineNo">727</span>   * Listens to call writes and fails if write failed<a name="line.727"></a>
-<span class="sourceLineNo">728</span>   */<a name="line.728"></a>
-<span class="sourceLineNo">729</span>  private static final class CallWriteListener implements ChannelFutureListener {<a name="line.729"></a>
-<span class="sourceLineNo">730</span>    private final AsyncRpcChannel rpcChannel;<a name="line.730"></a>
-<span class="sourceLineNo">731</span>    private final int id;<a name="line.731"></a>
-<span class="sourceLineNo">732</span><a name="line.732"></a>
-<span class="sourceLineNo">733</span>    public CallWriteListener(AsyncRpcChannel asyncRpcChannel, int id) {<a name="line.733"></a>
-<span class="sourceLineNo">734</span>      this.rpcChannel = asyncRpcChannel;<a name="line.734"></a>
-<span class="sourceLineNo">735</span>      this.id = id;<a name="line.735"></a>
-<span class="sourceLineNo">736</span>    }<a name="line.736"></a>
-<span class="sourceLineNo">737</span><a name="line.737"></a>
-<span class="sourceLineNo">738</span>    @Override<a name="line.738"></a>
-<span class="sourceLineNo">739</span>    public void operationComplete(ChannelFuture future) throws Exception {<a name="line.739"></a>
-<span class="sourceLineNo">740</span>      if (!future.isSuccess()) {<a name="line.740"></a>
-<span class="sourceLineNo">741</span>        AsyncCall call = rpcChannel.removePendingCall(id);<a name="line.741"></a>
-<span class="sourceLineNo">742</span>        if (call != null) {<a name="line.742"></a>
-<span class="sourceLineNo">743</span>          if (future.cause() instanceof IOException) {<a name="line.743"></a>
-<span class="sourceLineNo">744</span>            call.setFailed((IOException) future.cause());<a name="line.744"></a>
-<span class="sourceLineNo">745</span>          } else {<a name="line.745"></a>
-<span class="sourceLineNo">746</span>            call.setFailed(new IOException(future.cause()));<a name="line.746"></a>
-<span class="sourceLineNo">747</span>          }<a name="line.747"></a>
-<span class="sourceLineNo">748</span>        }<a name="line.748"></a>
-<span class="sourceLineNo">749</span>      }<a name="line.749"></a>
-<span class="sourceLineNo">750</span>    }<a name="line.750"></a>
-<span class="sourceLineNo">751</span>  }<a name="line.751"></a>
-<span class="sourceLineNo">752</span>}<a name="line.752"></a>
+<span class="sourceLineNo">721</span><a name="line.721"></a>
+<span class="sourceLineNo">722</span>  @Override<a name="line.722"></a>
+<span class="sourceLineNo">723</span>  public String toString() {<a name="line.723"></a>
+<span class="sourceLineNo">724</span>    return this.address.toString() + "/" + this.serviceName + "/" + this.ticket;<a name="line.724"></a>
+<span class="sourceLineNo">725</span>  }<a name="line.725"></a>
+<span class="sourceLineNo">726</span><a name="line.726"></a>
+<span class="sourceLineNo">727</span>  /**<a name="line.727"></a>
+<span class="sourceLineNo">728</span>   * Listens to call writes and fails if write failed<a name="line.728"></a>
+<span class="sourceLineNo">729</span>   */<a name="line.729"></a>
+<span class="sourceLineNo">730</span>  private static final class CallWriteListener implements ChannelFutureListener {<a name="line.730"></a>
+<span class="sourceLineNo">731</span>    private final AsyncRpcChannel rpcChannel;<a name="line.731"></a>
+<span class="sourceLineNo">732</span>    private final int id;<a name="line.732"></a>
+<span class="sourceLineNo">733</span><a name="line.733"></a>
+<span class="sourceLineNo">734</span>    public CallWriteListener(AsyncRpcChannel asyncRpcChannel, int id) {<a name="line.734"></a>
+<span class="sourceLineNo">735</span>      this.rpcChannel = asyncRpcChannel;<a name="line.735"></a>
+<span class="sourceLineNo">736</span>      this.id = id;<a name="line.736"></a>
+<span class="sourceLineNo">737</span>    }<a name="line.737"></a>
+<span class="sourceLineNo">738</span><a name="line.738"></a>
+<span class="sourceLineNo">739</span>    @Override<a name="line.739"></a>
+<span class="sourceLineNo">740</span>    public void operationComplete(ChannelFuture future) throws Exception {<a name="line.740"></a>
+<span class="sourceLineNo">741</span>      if (!future.isSuccess()) {<a name="line.741"></a>
+<span class="sourceLineNo">742</span>        AsyncCall call = rpcChannel.removePendingCall(id);<a name="line.742"></a>
+<span class="sourceLineNo">743</span>        if (call != null) {<a name="line.743"></a>
+<span class="sourceLineNo">744</span>          if (future.cause() instanceof IOException) {<a name="line.744"></a>
+<span class="sourceLineNo">745</span>            call.setFailed((IOException) future.cause());<a name="line.745"></a>
+<span class="sourceLineNo">746</span>          } else {<a name="line.746"></a>
+<span class="sourceLineNo">747</span>            call.setFailed(new IOException(future.cause()));<a name="line.747"></a>
+<span class="sourceLineNo">748</span>          }<a name="line.748"></a>
+<span class="sourceLineNo">749</span>        }<a name="line.749"></a>
+<span class="sourceLineNo">750</span>      }<a name="line.750"></a>
+<span class="sourceLineNo">751</span>    }<a name="line.751"></a>
+<span class="sourceLineNo">752</span>  }<a name="line.752"></a>
+<span class="sourceLineNo">753</span>}<a name="line.753"></a>