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-<span class="sourceLineNo">254</span> }<a name="line.254"></a>
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-<span class="sourceLineNo">257</span> // sync replication peer which has already been transited to DA or S.<a name="line.257"></a>
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+<span class="sourceLineNo">211</span> if (state != null && state != WALTailingReader.State.NORMAL) {<a name="line.211"></a>
+<span class="sourceLineNo">212</span> // reset before reading<a name="line.212"></a>
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+<span class="sourceLineNo">214</span> currentPositionOfEntry, state.resetCompression());<a name="line.214"></a>
+<span class="sourceLineNo">215</span> try {<a name="line.215"></a>
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+<span class="sourceLineNo">217</span> reader.resetTo(currentPositionOfEntry, state.resetCompression());<a name="line.217"></a>
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+<span class="sourceLineNo">219</span> // we will read from the beginning so we should always clear the compression context<a name="line.219"></a>
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+<span class="sourceLineNo">221</span> }<a name="line.221"></a>
+<span class="sourceLineNo">222</span> } catch (IOException e) {<a name="line.222"></a>
+<span class="sourceLineNo">223</span> LOG.warn("Failed to reset reader {} to pos {}, reset compression={}", currentPath,<a name="line.223"></a>
+<span class="sourceLineNo">224</span> currentPositionOfEntry, state.resetCompression(), e);<a name="line.224"></a>
+<span class="sourceLineNo">225</span> // just leave the state as is, and try resetting next time<a name="line.225"></a>
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+<span class="sourceLineNo">231</span> }<a name="line.231"></a>
+<span class="sourceLineNo">232</span> // try open next WAL file<a name="line.232"></a>
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+<span class="sourceLineNo">235</span> if (nextPath == null) {<a name="line.235"></a>
+<span class="sourceLineNo">236</span> LOG.debug("No more WAL files in queue");<a name="line.236"></a>
+<span class="sourceLineNo">237</span> // no more files in queue, this could happen for recovered queue, or for a wal group of a<a name="line.237"></a>
+<span class="sourceLineNo">238</span> // sync replication peer which has already been transited to DA or S.<a name="line.238"></a>
+<span class="sourceLineNo">239</span> setCurrentPath(null);<a name="line.239"></a>
+<span class="sourceLineNo">240</span> return HasNext.NO;<a name="line.240"></a>
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+<span class="sourceLineNo">242</span> setCurrentPath(nextPath);<a name="line.242"></a>
+<span class="sourceLineNo">243</span> // we need to test this prior to create the reader. If not, it is possible that, while<a name="line.243"></a>
+<span class="sourceLineNo">244</span> // opening the file, the file is still being written so its header is incomplete and we get<a name="line.244"></a>
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+<span class="sourceLineNo">250</span> currentPositionOfEntry, beingWritten);<a name="line.250"></a>
+<span class="sourceLineNo">251</span> try {<a name="line.251"></a>
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-<span class="sourceLineNo">282</span> beingWritten);<a name="line.282"></a>
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-<span class="sourceLineNo">294</span> case EOF_AND_RESET_COMPRESSION:<a name="line.294"></a>
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-<span class="sourceLineNo">296</span> // no more entries in this log file, and the file is already closed, i.e, rolled<a name="line.296"></a>
-<span class="sourceLineNo">297</span> // Before dequeuing, we should always get one more attempt at reading.<a name="line.297"></a>
-<span class="sourceLineNo">298</span> // This is in case more entries came in after we opened the reader, and the log is rolled<a name="line.298"></a>
-<span class="sourceLineNo">299</span> // while we were reading. See HBASE-6758<a name="line.299"></a>
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-<span class="sourceLineNo">303</span> LOG.warn("Failed to reset reader {} to pos {}, reset compression={}", currentPath,<a name="line.303"></a>
-<span class="sourceLineNo">304</span> currentPositionOfEntry, state.resetCompression(), e);<a name="line.304"></a>
-<span class="sourceLineNo">305</span> // just leave the state as is, next time we will try to reset it again, but there is a<a name="line.305"></a>
-<span class="sourceLineNo">306</span> // nasty problem is that, we will still reach here finally and try reset again to see if<a name="line.306"></a>
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-<span class="sourceLineNo">312</span> // should not be written<a name="line.312"></a>
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-<span class="sourceLineNo">323</span> // and read.<a name="line.323"></a>
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-<span class="sourceLineNo">329</span> }<a name="line.329"></a>
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-<span class="sourceLineNo">342</span> }<a name="line.342"></a>
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-<span class="sourceLineNo">348</span> // try archived path<a name="line.348"></a>
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-<span class="sourceLineNo">362</span> FileStatus stat = null;<a name="line.362"></a>
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-<span class="sourceLineNo">364</span> stat = getCurrentPathFileStatus();<a name="line.364"></a>
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-<span class="sourceLineNo">367</span> currentPath, trailerSize < 0 ? "was not" : "was", getCurrentPathStat(), e);<a name="line.367"></a>
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-<span class="sourceLineNo">370</span> // Here we use currentPositionOfReader instead of currentPositionOfEntry.<a name="line.370"></a>
-<span class="sourceLineNo">371</span> // We only call this method when currentEntry is null so usually they are the same, but there<a name="line.371"></a>
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-<span class="sourceLineNo">373</span> // the currentPositionOfEntry will always be 0 since we have no change to update it. The other<a name="line.373"></a>
-<span class="sourceLineNo">374</span> // is that we reach the end of file, then currentPositionOfEntry will point to the tail of the<a name="line.374"></a>
-<span class="sourceLineNo">375</span> // last valid entry, and the currentPositionOfReader will usually point to the end of the file.<a name="line.375"></a>
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-<span class="sourceLineNo">383</span> metrics.incrUncleanlyClosedWALs();<a name="line.383"></a>
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-<span class="sourceLineNo">387</span> LOG.warn(<a name="line.387"></a>
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-<span class="sourceLineNo">392</span> metrics.incrRepeatedFileBytes(currentPositionOfReader);<a name="line.392"></a>
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-<span class="sourceLineNo">396</span> if (LOG.isDebugEnabled()) {<a name="line.396"></a>
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-<span class="sourceLineNo">398</span> stat == null ? "N/A" : stat.getLen());<a name="line.398"></a>
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-<span class="sourceLineNo">412</span><a name="line.412"></a>
-<span class="sourceLineNo">413</span> /**<a name="line.413"></a>
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-<span class="sourceLineNo">418</span> WALTailingReader.Result readResult = reader.next(fileLength.orElse(-1));<a name="line.418"></a>
-<span class="sourceLineNo">419</span> long readerPos = readResult.getEntryEndPos();<a name="line.419"></a>
-<span class="sourceLineNo">420</span> Entry readEntry = readResult.getEntry();<a name="line.420"></a>
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-<span class="sourceLineNo">422</span> LOG.trace("reading entry: {} ", readEntry);<a name="line.422"></a>
-<span class="sourceLineNo">423</span> metrics.incrLogEditsRead();<a name="line.423"></a>
-<span class="sourceLineNo">424</span> metrics.incrLogReadInBytes(readerPos - currentPositionOfEntry);<a name="line.424"></a>
-<span class="sourceLineNo">425</span> // record current entry and reader position<a name="line.425"></a>
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-<span class="sourceLineNo">427</span> this.currentPositionOfReader = readerPos;<a name="line.427"></a>
-<span class="sourceLineNo">428</span> } else {<a name="line.428"></a>
-<span class="sourceLineNo">429</span> LOG.trace("reading entry failed with: {}", readResult.getState());<a name="line.429"></a>
-<span class="sourceLineNo">430</span> // set current entry to null<a name="line.430"></a>
-<span class="sourceLineNo">431</span> currentEntry = null;<a name="line.431"></a>
-<span class="sourceLineNo">432</span> try {<a name="line.432"></a>
-<span class="sourceLineNo">433</span> this.currentPositionOfReader = reader.getPosition();<a name="line.433"></a>
-<span class="sourceLineNo">434</span> } catch (IOException e) {<a name="line.434"></a>
-<span class="sourceLineNo">435</span> LOG.warn("failed to get current position of reader", e);<a name="line.435"></a>
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-<span class="sourceLineNo">438</span> fileLength.isPresent());<a name="line.438"></a>
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-<span class="sourceLineNo">440</span> }<a name="line.440"></a>
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-<span class="sourceLineNo">442</span> return Pair.newPair(readResult.getState(), fileLength.isPresent());<a name="line.442"></a>
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-<span class="sourceLineNo">445</span> private void closeReader() {<a name="line.445"></a>
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-<span class="sourceLineNo">447</span> reader.close();<a name="line.447"></a>
-<span class="sourceLineNo">448</span> reader = null;<a name="line.448"></a>
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-<span class="sourceLineNo">454</span> if (reader instanceof AbstractProtobufWALReader) {<a name="line.454"></a>
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-<span class="sourceLineNo">456</span> size = pbwr.trailerSize();<a name="line.456"></a>
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-<span class="sourceLineNo">458</span> return size;<a name="line.458"></a>
-<span class="sourceLineNo">459</span> }<a name="line.459"></a>
-<span class="sourceLineNo">460</span>}<a name="line.460"></a>
+<span class="sourceLineNo">261</span> // we hit EOF while reading the WAL header, usually this means we can just skip over this<a name="line.261"></a>
+<span class="sourceLineNo">262</span> // file, but we need to be careful that whether this file is still being written, if so we<a name="line.262"></a>
+<span class="sourceLineNo">263</span> // should retry instead of skipping.<a name="line.263"></a>
+<span class="sourceLineNo">264</span> LOG.warn("EOF while trying to open WAL reader for path: {}, startPosition={}", nextPath,<a name="line.264"></a>
+<span class="sourceLineNo">265</span> currentPositionOfEntry, e);<a name="line.265"></a>
+<span class="sourceLineNo">266</span> if (beingWritten) {<a name="line.266"></a>
+<span class="sourceLineNo">267</span> // just retry as the file is still being written, maybe next time we could read<a name="line.267"></a>
+<span class="sourceLineNo">268</span> // something<a name="line.268"></a>
+<span class="sourceLineNo">269</span> return HasNext.RETRY;<a name="line.269"></a>
+<span class="sourceLineNo">270</span> } else {<a name="line.270"></a>
+<span class="sourceLineNo">271</span> // the file is not being written so we are safe to just skip over it<a name="line.271"></a>
+<span class="sourceLineNo">272</span> dequeueCurrentLog();<a name="line.272"></a>
+<span class="sourceLineNo">273</span> return HasNext.RETRY_IMMEDIATELY;<a name="line.273"></a>
+<span class="sourceLineNo">274</span> }<a name="line.274"></a>
+<span class="sourceLineNo">275</span> } catch (LeaseNotRecoveredException e) {<a name="line.275"></a>
+<span class="sourceLineNo">276</span> // HBASE-15019 the WAL was not closed due to some hiccup.<a name="line.276"></a>
+<span class="sourceLineNo">277</span> LOG.warn("Try to recover the WAL lease " + nextPath, e);<a name="line.277"></a>
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+<span class="sourceLineNo">279</span> return HasNext.RETRY;<a name="line.279"></a>
+<span class="sourceLineNo">280</span> } catch (IOException | NullPointerException e) {<a name="line.280"></a>
+<span class="sourceLineNo">281</span> // For why we need to catch NPE here, see HDFS-4380 for more details<a name="line.281"></a>
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+<span class="sourceLineNo">283</span> return HasNext.RETRY;<a name="line.283"></a>
+<span class="sourceLineNo">284</span> }<a name="line.284"></a>
+<span class="sourceLineNo">285</span> }<a name="line.285"></a>
+<span class="sourceLineNo">286</span><a name="line.286"></a>
+<span class="sourceLineNo">287</span> private HasNext lastAttempt() {<a name="line.287"></a>
+<span class="sourceLineNo">288</span> LOG.debug("Reset reader {} for the last time to pos {}, reset compression={}", currentPath,<a name="line.288"></a>
+<span class="sourceLineNo">289</span> currentPositionOfEntry, state.resetCompression());<a name="line.289"></a>
+<span class="sourceLineNo">290</span> try {<a name="line.290"></a>
+<span class="sourceLineNo">291</span> reader.resetTo(currentPositionOfEntry, state.resetCompression());<a name="line.291"></a>
+<span class="sourceLineNo">292</span> } catch (IOException e) {<a name="line.292"></a>
+<span class="sourceLineNo">293</span> LOG.warn("Failed to reset reader {} to pos {}, reset compression={}", currentPath,<a name="line.293"></a>
+<span class="sourceLineNo">294</span> currentPositionOfEntry, state.resetCompression(), e);<a name="line.294"></a>
+<span class="sourceLineNo">295</span> // just leave the state as is, next time we will try to reset it again, but there is a<a name="line.295"></a>
+<span class="sourceLineNo">296</span> // nasty problem is that, we will still reach here finally and try reset again to see if<a name="line.296"></a>
+<span class="sourceLineNo">297</span> // the log has been fully replicated, which is redundant, can be optimized later<a name="line.297"></a>
+<span class="sourceLineNo">298</span> return HasNext.RETRY;<a name="line.298"></a>
+<span class="sourceLineNo">299</span> }<a name="line.299"></a>
+<span class="sourceLineNo">300</span> Pair<WALTailingReader.State, Boolean> pair = readNextEntryAndRecordReaderPosition();<a name="line.300"></a>
+<span class="sourceLineNo">301</span> state = pair.getFirst();<a name="line.301"></a>
+<span class="sourceLineNo">302</span> // should not be written<a name="line.302"></a>
+<span class="sourceLineNo">303</span> assert !pair.getSecond();<a name="line.303"></a>
+<span class="sourceLineNo">304</span> if (!state.eof()) {<a name="line.304"></a>
+<span class="sourceLineNo">305</span> // we still have something to read after reopen, so return YES. Or there are something wrong<a name="line.305"></a>
+<span class="sourceLineNo">306</span> // and we need to retry<a name="line.306"></a>
+<span class="sourceLineNo">307</span> return state == WALTailingReader.State.NORMAL ? HasNext.YES : HasNext.RETRY;<a name="line.307"></a>
+<span class="sourceLineNo">308</span> }<a name="line.308"></a>
+<span class="sourceLineNo">309</span> // No data available after reopen<a name="line.309"></a>
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+<span class="sourceLineNo">312</span> dequeueCurrentLog();<a name="line.312"></a>
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+<span class="sourceLineNo">314</span> } else {<a name="line.314"></a>
+<span class="sourceLineNo">315</span> // see HBASE-15983, if checkAllBytesParsed returns false, we need to try read from<a name="line.315"></a>
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+<span class="sourceLineNo">317</span> // so when calling tryAdvanceENtry next time we will reset the reader to the beginning<a name="line.317"></a>
+<span class="sourceLineNo">318</span> // and read.<a name="line.318"></a>
+<span class="sourceLineNo">319</span> currentPositionOfEntry = 0;<a name="line.319"></a>
+<span class="sourceLineNo">320</span> currentPositionOfReader = 0;<a name="line.320"></a>
+<span class="sourceLineNo">321</span> state = WALTailingReader.State.ERROR_AND_RESET_COMPRESSION;<a name="line.321"></a>
+<span class="sourceLineNo">322</span> return HasNext.RETRY;<a name="line.322"></a>
+<span class="sourceLineNo">323</span> }<a name="line.323"></a>
+<span class="sourceLineNo">324</span> }<a name="line.324"></a>
+<span class="sourceLineNo">325</span><a name="line.325"></a>
+<span class="sourceLineNo">326</span> private HasNext tryAdvanceEntry() {<a name="line.326"></a>
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+<span class="sourceLineNo">328</span> if (prepared != HasNext.YES) {<a name="line.328"></a>
+<span class="sourceLineNo">329</span> return prepared;<a name="line.329"></a>
+<span class="sourceLineNo">330</span> }<a name="line.330"></a>
+<span class="sourceLineNo">331</span><a name="line.331"></a>
+<span class="sourceLineNo">332</span> Pair<WALTailingReader.State, Boolean> pair = readNextEntryAndRecordReaderPosition();<a name="line.332"></a>
+<span class="sourceLineNo">333</span> state = pair.getFirst();<a name="line.333"></a>
+<span class="sourceLineNo">334</span> boolean beingWritten = pair.getSecond();<a name="line.334"></a>
+<span class="sourceLineNo">335</span> LOG.trace("Reading WAL {}; result={}, currently open for write={}", this.currentPath, state,<a name="line.335"></a>
+<span class="sourceLineNo">336</span> beingWritten);<a name="line.336"></a>
+<span class="sourceLineNo">337</span> switch (state) {<a name="line.337"></a>
+<span class="sourceLineNo">338</span> case NORMAL:<a name="line.338"></a>
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+<span class="sourceLineNo">340</span> return HasNext.YES;<a name="line.340"></a>
+<span class="sourceLineNo">341</span> case EOF_WITH_TRAILER:<a name="line.341"></a>
+<span class="sourceLineNo">342</span> // we have reached the trailer, which means this WAL file has been closed cleanly and we<a name="line.342"></a>
+<span class="sourceLineNo">343</span> // have finished reading it successfully, just move to the next WAL file and let the upper<a name="line.343"></a>
+<span class="sourceLineNo">344</span> // layer start reading the next WAL file<a name="line.344"></a>
+<span class="sourceLineNo">345</span> dequeueCurrentLog();<a name="line.345"></a>
+<span class="sourceLineNo">346</span> return HasNext.RETRY_IMMEDIATELY;<a name="line.346"></a>
+<span class="sourceLineNo">347</span> case EOF_AND_RESET:<a name="line.347"></a>
+<span class="sourceLineNo">348</span> case EOF_AND_RESET_COMPRESSION:<a name="line.348"></a>
+<span class="sourceLineNo">349</span> if (beingWritten) {<a name="line.349"></a>
+<span class="sourceLineNo">350</span> // just sleep a bit and retry to see if there are new entries coming since the file is<a name="line.350"></a>
+<span class="sourceLineNo">351</span> // still being written<a name="line.351"></a>
+<span class="sourceLineNo">352</span> return HasNext.RETRY;<a name="line.352"></a>
+<span class="sourceLineNo">353</span> }<a name="line.353"></a>
+<span class="sourceLineNo">354</span> // no more entries in this log file, and the file is already closed, i.e, rolled<a name="line.354"></a>
+<span class="sourceLineNo">355</span> // Before dequeuing, we should always get one more attempt at reading.<a name="line.355"></a>
+<span class="sourceLineNo">356</span> // This is in case more entries came in after we opened the reader, and the log is rolled<a name="line.356"></a>
+<span class="sourceLineNo">357</span> // while we were reading. See HBASE-6758<a name="line.357"></a>
+<span class="sourceLineNo">358</span> return lastAttempt();<a name="line.358"></a>
+<span class="sourceLineNo">359</span> case ERROR_AND_RESET:<a name="line.359"></a>
+<span class="sourceLineNo">360</span> case ERROR_AND_RESET_COMPRESSION:<a name="line.360"></a>
+<span class="sourceLineNo">361</span> // we have meet an error, just sleep a bit and retry again<a name="line.361"></a>
+<span class="sourceLineNo">362</span> return HasNext.RETRY;<a name="line.362"></a>
+<span class="sourceLineNo">363</span> default:<a name="line.363"></a>
+<span class="sourceLineNo">364</span> throw new IllegalArgumentException("Unknown read next result: " + state);<a name="line.364"></a>
+<span class="sourceLineNo">365</span> }<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> private FileStatus getCurrentPathFileStatus() throws IOException {<a name="line.368"></a>
+<span class="sourceLineNo">369</span> try {<a name="line.369"></a>
+<span class="sourceLineNo">370</span> return fs.getFileStatus(currentPath);<a name="line.370"></a>
+<span class="sourceLineNo">371</span> } catch (FileNotFoundException e) {<a name="line.371"></a>
+<span class="sourceLineNo">372</span> // try archived path<a name="line.372"></a>
+<span class="sourceLineNo">373</span> Path archivedWAL = AbstractFSWALProvider.findArchivedLog(currentPath, conf);<a name="line.373"></a>
+<span class="sourceLineNo">374</span> if (archivedWAL != null) {<a name="line.374"></a>
+<span class="sourceLineNo">375</span> return fs.getFileStatus(archivedWAL);<a name="line.375"></a>
+<span class="sourceLineNo">376</span> } else {<a name="line.376"></a>
+<span class="sourceLineNo">377</span> throw e;<a name="line.377"></a>
+<span class="sourceLineNo">378</span> }<a name="line.378"></a>
+<span class="sourceLineNo">379</span> }<a name="line.379"></a>
+<span class="sourceLineNo">380</span> }<a name="line.380"></a>
+<span class="sourceLineNo">381</span><a name="line.381"></a>
+<span class="sourceLineNo">382</span> // HBASE-15984 check to see we have in fact parsed all data in a cleanly closed file<a name="line.382"></a>
+<span class="sourceLineNo">383</span> private boolean checkAllBytesParsed() {<a name="line.383"></a>
+<span class="sourceLineNo">384</span> // -1 means the wal wasn't closed cleanly.<a name="line.384"></a>
+<span class="sourceLineNo">385</span> final long trailerSize = currentTrailerSize();<a name="line.385"></a>
+<span class="sourceLineNo">386</span> FileStatus stat = null;<a name="line.386"></a>
+<span class="sourceLineNo">387</span> try {<a name="line.387"></a>
+<span class="sourceLineNo">388</span> stat = getCurrentPathFileStatus();<a name="line.388"></a>
+<span class="sourceLineNo">389</span> } catch (IOException e) {<a name="line.389"></a>
+<span class="sourceLineNo">390</span> LOG.warn("Couldn't get file length information about log {}, it {} closed cleanly {}",<a name="line.390"></a>
+<span class="sourceLineNo">391</span> currentPath, trailerSize < 0 ? "was not" : "was", getCurrentPathStat(), e);<a name="line.391"></a>
+<span class="sourceLineNo">392</span> metrics.incrUnknownFileLengthForClosedWAL();<a name="line.392"></a>
+<span class="sourceLineNo">393</span> }<a name="line.393"></a>
+<span class="sourceLineNo">394</span> // Here we use currentPositionOfReader instead of currentPositionOfEntry.<a name="line.394"></a>
+<span class="sourceLineNo">395</span> // We only call this method when currentEntry is null so usually they are the same, but there<a name="line.395"></a>
+<span class="sourceLineNo">396</span> // are two exceptions. One is we have nothing in the file but only a header, in this way<a name="line.396"></a>
+<span class="sourceLineNo">397</span> // the currentPositionOfEntry will always be 0 since we have no change to update it. The other<a name="line.397"></a>
+<span class="sourceLineNo">398</span> // is that we reach the end of file, then currentPositionOfEntry will point to the tail of the<a name="line.398"></a>
+<span class="sourceLineNo">399</span> // last valid entry, and the currentPositionOfReader will usually point to the end of the file.<a name="line.399"></a>
+<span class="sourceLineNo">400</span> if (stat != null) {<a name="line.400"></a>
+<span class="sourceLineNo">401</span> if (trailerSize < 0) {<a name="line.401"></a>
+<span class="sourceLineNo">402</span> if (currentPositionOfReader < stat.getLen()) {<a name="line.402"></a>
+<span class="sourceLineNo">403</span> final long skippedBytes = stat.getLen() - currentPositionOfReader;<a name="line.403"></a>
+<span class="sourceLineNo">404</span> // See the commits in HBASE-25924/HBASE-25932 for context.<a name="line.404"></a>
+<span class="sourceLineNo">405</span> LOG.warn("Reached the end of WAL {}. It was not closed cleanly,"<a name="line.405"></a>
+<span class="sourceLineNo">406</span> + " so we did not parse {} bytes of data.", currentPath, skippedBytes);<a name="line.406"></a>
+<span class="sourceLineNo">407</span> metrics.incrUncleanlyClosedWALs();<a name="line.407"></a>
+<span class="sourceLineNo">408</span> metrics.incrBytesSkippedInUncleanlyClosedWALs(skippedBytes);<a name="line.408"></a>
+<span class="sourceLineNo">409</span> }<a name="line.409"></a>
+<span class="sourceLineNo">410</span> } else if (currentPositionOfReader + trailerSize < stat.getLen()) {<a name="line.410"></a>
+<span class="sourceLineNo">411</span> LOG.warn(<a name="line.411"></a>
+<span class="sourceLineNo">412</span> "Processing end of WAL {} at position {}, which is too far away from"<a name="line.412"></a>
+<span class="sourceLineNo">413</span> + " reported file length {}. Restarting WAL reading (see HBASE-15983 for details). {}",<a name="line.413"></a>
+<span class="sourceLineNo">414</span> currentPath, currentPositionOfReader, stat.getLen(), getCurrentPathStat());<a name="line.414"></a>
+<span class="sourceLineNo">415</span> metrics.incrRestartedWALReading();<a name="line.415"></a>
+<span class="sourceLineNo">416</span> metrics.incrRepeatedFileBytes(currentPositionOfReader);<a name="line.416"></a>
+<span class="sourceLineNo">417</span> return false;<a name="line.417"></a>
+<span class="sourceLineNo">418</span> }<a name="line.418"></a>
+<span class="sourceLineNo">419</span> }<a name="line.419"></a>
+<span class="sourceLineNo">420</span> LOG.debug("Reached the end of {} and length of the file is {}", currentPath,<a name="line.420"></a>
+<span class="sourceLineNo">421</span> stat == null ? "N/A" : stat.getLen());<a name="line.421"></a>
+<span class="sourceLineNo">422</span> metrics.incrCompletedWAL();<a name="line.422"></a>
+<span class="sourceLineNo">423</span> return true;<a name="line.423"></a>
+<span class="sourceLineNo">424</span> }<a name="line.424"></a>
+<span class="sourceLineNo">425</span><a name="line.425"></a>
+<span class="sourceLineNo">426</span> private void dequeueCurrentLog() {<a name="line.426"></a>
+<span class="sourceLineNo">427</span> LOG.debug("EOF, closing {}", currentPath);<a name="line.427"></a>
+<span class="sourceLineNo">428</span> closeReader();<a name="line.428"></a>
+<span class="sourceLineNo">429</span> logQueue.remove(walGroupId);<a name="line.429"></a>
+<span class="sourceLineNo">430</span> setCurrentPath(null);<a name="line.430"></a>
+<span class="sourceLineNo">431</span> currentPositionOfEntry = 0;<a name="line.431"></a>
+<span class="sourceLineNo">432</span> state = null;<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> /**<a name="line.435"></a>
+<span class="sourceLineNo">436</span> * Returns whether the file is opened for writing.<a name="line.436"></a>
+<span class="sourceLineNo">437</span> */<a name="line.437"></a>
+<span class="sourceLineNo">438</span> private Pair<WALTailingReader.State, Boolean> readNextEntryAndRecordReaderPosition() {<a name="line.438"></a>
+<span class="sourceLineNo">439</span> OptionalLong fileLength = walFileLengthProvider.getLogFileSizeIfBeingWritten(currentPath);<a name="line.439"></a>
+<span class="sourceLineNo">440</span> WALTailingReader.Result readResult = reader.next(fileLength.orElse(-1));<a name="line.440"></a>
+<span class="sourceLineNo">441</span> long readerPos = readResult.getEntryEndPos();<a name="line.441"></a>
+<span class="sourceLineNo">442</span> Entry readEntry = readResult.getEntry();<a name="line.442"></a>
+<span class="sourceLineNo">443</span> if (readResult.getState() == WALTailingReader.State.NORMAL) {<a name="line.443"></a>
+<span class="sourceLineNo">444</span> LOG.trace("reading entry: {} ", readEntry);<a name="line.444"></a>
+<span class="sourceLineNo">445</span> metrics.incrLogEditsRead();<a name="line.445"></a>
+<span class="sourceLineNo">446</span> metrics.incrLogReadInBytes(readerPos - currentPositionOfEntry);<a name="line.446"></a>
+<span class="sourceLineNo">447</span> // record current entry and reader position<a name="line.447"></a>
+<span class="sourceLineNo">448</span> currentEntry = readResult.getEntry();<a name="line.448"></a>
+<span class="sourceLineNo">449</span> this.currentPositionOfReader = readerPos;<a name="line.449"></a>
+<span class="sourceLineNo">450</span> } else {<a name="line.450"></a>
+<span class="sourceLineNo">451</span> LOG.trace("reading entry failed with: {}", readResult.getState());<a name="line.451"></a>
+<span class="sourceLineNo">452</span> // set current entry to null<a name="line.452"></a>
+<span class="sourceLineNo">453</span> currentEntry = null;<a name="line.453"></a>
+<span class="sourceLineNo">454</span> try {<a name="line.454"></a>
+<span class="sourceLineNo">455</span> this.currentPositionOfReader = reader.getPosition();<a name="line.455"></a>
+<span class="sourceLineNo">456</span> } catch (IOException e) {<a name="line.456"></a>
+<span class="sourceLineNo">457</span> LOG.warn("failed to get current position of reader", e);<a name="line.457"></a>
+<span class="sourceLineNo">458</span> if (readResult.getState().resetCompression()) {<a name="line.458"></a>
+<span class="sourceLineNo">459</span> return Pair.newPair(WALTailingReader.State.ERROR_AND_RESET_COMPRESSION,<a name="line.459"></a>
+<span class="sourceLineNo">460</span> fileLength.isPresent());<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> }<a name="line.463"></a>
+<span class="sourceLineNo">464</span> return Pair.newPair(readResult.getState(), fileLength.isPresent());<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> private void closeReader() {<a name="line.467"></a>
+<span class="sourceLineNo">468</span> if (reader != null) {<a name="line.468"></a>
+<span class="sourceLineNo">469</span> reader.close();<a name="line.469"></a>
+<span class="sourceLineNo">470</span> reader = null;<a name="line.470"></a>
+<span class="sourceLineNo">471</span> }<a name="line.471"></a>
+<span class="sourceLineNo">472</span> }<a name="line.472"></a>
+<span class="sourceLineNo">473</span><a name="line.473"></a>
+<span class="sourceLineNo">474</span> private long currentTrailerSize() {<a name="line.474"></a>
+<span class="sourceLineNo">475</span> long size = -1L;<a name="line.475"></a>
+<span class="sourceLineNo">476</span> if (reader instanceof AbstractProtobufWALReader) {<a name="line.476"></a>
+<span class="sourceLineNo">477</span> final AbstractProtobufWALReader pbwr = (AbstractProtobufWALReader) reader;<a name="line.477"></a>
+<span class="sourceLineNo">478</span> size = pbwr.trailerSize();<a name="line.478"></a>
+<span class="sourceLineNo">479</span> }<a name="line.479"></a>
+<span class="sourceLineNo">480</span> return size;<a name="line.480"></a>
+<span class="sourceLineNo">481</span> }<a name="line.481"></a>
+<span class="sourceLineNo">482</span>}<a name="line.482"></a>
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/WALEntryStream.html b/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/WALEntryStream.html
index d2906a976e6..6dd6708cd08 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/WALEntryStream.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/WALEntryStream.html
@@ -214,258 +214,280 @@
<span class="sourceLineNo">206</span><a name="line.206"></a>
<span class="sourceLineNo">207</span> @edu.umd.cs.findbugs.annotations.SuppressWarnings(value = "DCN_NULLPOINTER_EXCEPTION",<a name="line.207"></a>
<span class="sourceLineNo">208</span> justification = "HDFS-4380")<a name="line.208"></a>
-<span class="sourceLineNo">209</span> private HasNext tryAdvanceEntry() {<a name="line.209"></a>
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-<span class="sourceLineNo">211</span> // try open next WAL file<a name="line.211"></a>
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-<span class="sourceLineNo">213</span> Path nextPath = queue.peek();<a name="line.213"></a>
-<span class="sourceLineNo">214</span> if (nextPath != null) {<a name="line.214"></a>
-<span class="sourceLineNo">215</span> setCurrentPath(nextPath);<a name="line.215"></a>
-<span class="sourceLineNo">216</span> // we need to test this prior to create the reader. If not, it is possible that, while<a name="line.216"></a>
-<span class="sourceLineNo">217</span> // opening the file, the file is still being written so its header is incomplete and we get<a name="line.217"></a>
-<span class="sourceLineNo">218</span> // a header EOF, but then while we test whether it is still being written, we have already<a name="line.218"></a>
-<span class="sourceLineNo">219</span> // flushed the data out and we consider it is not being written, and then we just skip over<a name="line.219"></a>
-<span class="sourceLineNo">220</span> // file, then we will lose the data written after opening...<a name="line.220"></a>
-<span class="sourceLineNo">221</span> boolean beingWritten =<a name="line.221"></a>
-<span class="sourceLineNo">222</span> walFileLengthProvider.getLogFileSizeIfBeingWritten(nextPath).isPresent();<a name="line.222"></a>
-<span class="sourceLineNo">223</span> try {<a name="line.223"></a>
-<span class="sourceLineNo">224</span> reader = WALFactory.createTailingReader(fs, nextPath, conf,<a name="line.224"></a>
-<span class="sourceLineNo">225</span> currentPositionOfEntry > 0 ? currentPositionOfEntry : -1);<a name="line.225"></a>
-<span class="sourceLineNo">226</span> } catch (WALHeaderEOFException e) {<a name="line.226"></a>
-<span class="sourceLineNo">227</span> if (!eofAutoRecovery) {<a name="line.227"></a>
-<span class="sourceLineNo">228</span> // if we do not enable EOF auto recovery, just let the upper layer retry<a name="line.228"></a>
-<span class="sourceLineNo">229</span> // the replication will be stuck usually, and need to be fixed manually<a name="line.229"></a>
-<span class="sourceLineNo">230</span> return HasNext.RETRY;<a name="line.230"></a>
-<span class="sourceLineNo">231</span> }<a name="line.231"></a>
-<span class="sourceLineNo">232</span> // we hit EOF while reading the WAL header, usually this means we can just skip over this<a name="line.232"></a>
-<span class="sourceLineNo">233</span> // file, but we need to be careful that whether this file is still being written, if so we<a name="line.233"></a>
-<span class="sourceLineNo">234</span> // should retry instead of skipping.<a name="line.234"></a>
-<span class="sourceLineNo">235</span> LOG.warn("EOF while trying to open WAL reader for path: {}", nextPath, e);<a name="line.235"></a>
-<span class="sourceLineNo">236</span> if (beingWritten) {<a name="line.236"></a>
-<span class="sourceLineNo">237</span> // just retry as the file is still being written, maybe next time we could read<a name="line.237"></a>
-<span class="sourceLineNo">238</span> // something<a name="line.238"></a>
-<span class="sourceLineNo">239</span> return HasNext.RETRY;<a name="line.239"></a>
-<span class="sourceLineNo">240</span> } else {<a name="line.240"></a>
-<span class="sourceLineNo">241</span> // the file is not being written so we are safe to just skip over it<a name="line.241"></a>
-<span class="sourceLineNo">242</span> dequeueCurrentLog();<a name="line.242"></a>
-<span class="sourceLineNo">243</span> return HasNext.RETRY_IMMEDIATELY;<a name="line.243"></a>
-<span class="sourceLineNo">244</span> }<a name="line.244"></a>
-<span class="sourceLineNo">245</span> } catch (LeaseNotRecoveredException e) {<a name="line.245"></a>
-<span class="sourceLineNo">246</span> // HBASE-15019 the WAL was not closed due to some hiccup.<a name="line.246"></a>
-<span class="sourceLineNo">247</span> LOG.warn("Try to recover the WAL lease " + nextPath, e);<a name="line.247"></a>
-<span class="sourceLineNo">248</span> AbstractFSWALProvider.recoverLease(conf, nextPath);<a name="line.248"></a>
-<span class="sourceLineNo">249</span> return HasNext.RETRY;<a name="line.249"></a>
-<span class="sourceLineNo">250</span> } catch (IOException | NullPointerException e) {<a name="line.250"></a>
-<span class="sourceLineNo">251</span> // For why we need to catch NPE here, see HDFS-4380 for more details<a name="line.251"></a>
-<span class="sourceLineNo">252</span> LOG.warn("Failed to open WAL reader for path: {}", nextPath, e);<a name="line.252"></a>
-<span class="sourceLineNo">253</span> return HasNext.RETRY;<a name="line.253"></a>
-<span class="sourceLineNo">254</span> }<a name="line.254"></a>
-<span class="sourceLineNo">255</span> } else {<a name="line.255"></a>
-<span class="sourceLineNo">256</span> // no more files in queue, this could happen for recovered queue, or for a wal group of a<a name="line.256"></a>
-<span class="sourceLineNo">257</span> // sync replication peer which has already been transited to DA or S.<a name="line.257"></a>
-<span class="sourceLineNo">258</span> setCurrentPath(null);<a name="line.258"></a>
-<span class="sourceLineNo">259</span> return HasNext.NO;<a name="line.259"></a>
+<span class="sourceLineNo">209</span> private HasNext prepareReader() {<a name="line.209"></a>
+<span class="sourceLineNo">210</span> if (reader != null) {<a name="line.210"></a>
+<span class="sourceLineNo">211</span> if (state != null && state != WALTailingReader.State.NORMAL) {<a name="line.211"></a>
+<span class="sourceLineNo">212</span> // reset before reading<a name="line.212"></a>
+<span class="sourceLineNo">213</span> LOG.debug("Reset reader {} to pos {}, reset compression={}", currentPath,<a name="line.213"></a>
+<span class="sourceLineNo">214</span> currentPositionOfEntry, state.resetCompression());<a name="line.214"></a>
+<span class="sourceLineNo">215</span> try {<a name="line.215"></a>
+<span class="sourceLineNo">216</span> if (currentPositionOfEntry > 0) {<a name="line.216"></a>
+<span class="sourceLineNo">217</span> reader.resetTo(currentPositionOfEntry, state.resetCompression());<a name="line.217"></a>
+<span class="sourceLineNo">218</span> } else {<a name="line.218"></a>
+<span class="sourceLineNo">219</span> // we will read from the beginning so we should always clear the compression context<a name="line.219"></a>
+<span class="sourceLineNo">220</span> reader.resetTo(-1, true);<a name="line.220"></a>
+<span class="sourceLineNo">221</span> }<a name="line.221"></a>
+<span class="sourceLineNo">222</span> } catch (IOException e) {<a name="line.222"></a>
+<span class="sourceLineNo">223</span> LOG.warn("Failed to reset reader {} to pos {}, reset compression={}", currentPath,<a name="line.223"></a>
+<span class="sourceLineNo">224</span> currentPositionOfEntry, state.resetCompression(), e);<a name="line.224"></a>
+<span class="sourceLineNo">225</span> // just leave the state as is, and try resetting next time<a name="line.225"></a>
+<span class="sourceLineNo">226</span> return HasNext.RETRY;<a name="line.226"></a>
+<span class="sourceLineNo">227</span> }<a name="line.227"></a>
+<span class="sourceLineNo">228</span> } else {<a name="line.228"></a>
+<span class="sourceLineNo">229</span> return HasNext.YES;<a name="line.229"></a>
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+<span class="sourceLineNo">231</span> }<a name="line.231"></a>
+<span class="sourceLineNo">232</span> // try open next WAL file<a name="line.232"></a>
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+<span class="sourceLineNo">234</span> Path nextPath = queue.peek();<a name="line.234"></a>
+<span class="sourceLineNo">235</span> if (nextPath == null) {<a name="line.235"></a>
+<span class="sourceLineNo">236</span> LOG.debug("No more WAL files in queue");<a name="line.236"></a>
+<span class="sourceLineNo">237</span> // no more files in queue, this could happen for recovered queue, or for a wal group of a<a name="line.237"></a>
+<span class="sourceLineNo">238</span> // sync replication peer which has already been transited to DA or S.<a name="line.238"></a>
+<span class="sourceLineNo">239</span> setCurrentPath(null);<a name="line.239"></a>
+<span class="sourceLineNo">240</span> return HasNext.NO;<a name="line.240"></a>
+<span class="sourceLineNo">241</span> }<a name="line.241"></a>
+<span class="sourceLineNo">242</span> setCurrentPath(nextPath);<a name="line.242"></a>
+<span class="sourceLineNo">243</span> // we need to test this prior to create the reader. If not, it is possible that, while<a name="line.243"></a>
+<span class="sourceLineNo">244</span> // opening the file, the file is still being written so its header is incomplete and we get<a name="line.244"></a>
+<span class="sourceLineNo">245</span> // a header EOF, but then while we test whether it is still being written, we have already<a name="line.245"></a>
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+<span class="sourceLineNo">247</span> // file, then we will lose the data written after opening...<a name="line.247"></a>
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+<span class="sourceLineNo">250</span> currentPositionOfEntry, beingWritten);<a name="line.250"></a>
+<span class="sourceLineNo">251</span> try {<a name="line.251"></a>
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+<span class="sourceLineNo">254</span> return HasNext.YES;<a name="line.254"></a>
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+<span class="sourceLineNo">257</span> // if we do not enable EOF auto recovery, just let the upper layer retry<a name="line.257"></a>
+<span class="sourceLineNo">258</span> // the replication will be stuck usually, and need to be fixed manually<a name="line.258"></a>
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-<span class="sourceLineNo">264</span> if (currentPositionOfEntry > 0) {<a name="line.264"></a>
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-<span class="sourceLineNo">304</span> currentPositionOfEntry, state.resetCompression(), e);<a name="line.304"></a>
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-<span class="sourceLineNo">333</span> return HasNext.RETRY;<a name="line.333"></a>
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-<span class="sourceLineNo">337</span> // we have meet an error, just sleep a bit and retry again<a name="line.337"></a>
-<span class="sourceLineNo">338</span> return HasNext.RETRY;<a name="line.338"></a>
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-<span class="sourceLineNo">344</span> private FileStatus getCurrentPathFileStatus() throws IOException {<a name="line.344"></a>
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-<span class="sourceLineNo">346</span> return fs.getFileStatus(currentPath);<a name="line.346"></a>
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-<span class="sourceLineNo">348</span> // try archived path<a name="line.348"></a>
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-<span class="sourceLineNo">447</span> reader.close();<a name="line.447"></a>
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-<span class="sourceLineNo">454</span> if (reader instanceof AbstractProtobufWALReader) {<a name="line.454"></a>
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+<span class="sourceLineNo">261</span> // we hit EOF while reading the WAL header, usually this means we can just skip over this<a name="line.261"></a>
+<span class="sourceLineNo">262</span> // file, but we need to be careful that whether this file is still being written, if so we<a name="line.262"></a>
+<span class="sourceLineNo">263</span> // should retry instead of skipping.<a name="line.263"></a>
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+<span class="sourceLineNo">265</span> currentPositionOfEntry, e);<a name="line.265"></a>
+<span class="sourceLineNo">266</span> if (beingWritten) {<a name="line.266"></a>
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+<span class="sourceLineNo">274</span> }<a name="line.274"></a>
+<span class="sourceLineNo">275</span> } catch (LeaseNotRecoveredException e) {<a name="line.275"></a>
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+<span class="sourceLineNo">283</span> return HasNext.RETRY;<a name="line.283"></a>
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+<span class="sourceLineNo">285</span> }<a name="line.285"></a>
+<span class="sourceLineNo">286</span><a name="line.286"></a>
+<span class="sourceLineNo">287</span> private HasNext lastAttempt() {<a name="line.287"></a>
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+<span class="sourceLineNo">289</span> currentPositionOfEntry, state.resetCompression());<a name="line.289"></a>
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+<span class="sourceLineNo">291</span> reader.resetTo(currentPositionOfEntry, state.resetCompression());<a name="line.291"></a>
+<span class="sourceLineNo">292</span> } catch (IOException e) {<a name="line.292"></a>
+<span class="sourceLineNo">293</span> LOG.warn("Failed to reset reader {} to pos {}, reset compression={}", currentPath,<a name="line.293"></a>
+<span class="sourceLineNo">294</span> currentPositionOfEntry, state.resetCompression(), e);<a name="line.294"></a>
+<span class="sourceLineNo">295</span> // just leave the state as is, next time we will try to reset it again, but there is a<a name="line.295"></a>
+<span class="sourceLineNo">296</span> // nasty problem is that, we will still reach here finally and try reset again to see if<a name="line.296"></a>
+<span class="sourceLineNo">297</span> // the log has been fully replicated, which is redundant, can be optimized later<a name="line.297"></a>
+<span class="sourceLineNo">298</span> return HasNext.RETRY;<a name="line.298"></a>
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+<span class="sourceLineNo">301</span> state = pair.getFirst();<a name="line.301"></a>
+<span class="sourceLineNo">302</span> // should not be written<a name="line.302"></a>
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+<span class="sourceLineNo">305</span> // we still have something to read after reopen, so return YES. Or there are something wrong<a name="line.305"></a>
+<span class="sourceLineNo">306</span> // and we need to retry<a name="line.306"></a>
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+<span class="sourceLineNo">309</span> // No data available after reopen<a name="line.309"></a>
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+<span class="sourceLineNo">318</span> // and read.<a name="line.318"></a>
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+<span class="sourceLineNo">336</span> beingWritten);<a name="line.336"></a>
+<span class="sourceLineNo">337</span> switch (state) {<a name="line.337"></a>
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+<span class="sourceLineNo">343</span> // have finished reading it successfully, just move to the next WAL file and let the upper<a name="line.343"></a>
+<span class="sourceLineNo">344</span> // layer start reading the next WAL file<a name="line.344"></a>
+<span class="sourceLineNo">345</span> dequeueCurrentLog();<a name="line.345"></a>
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+<span class="sourceLineNo">347</span> case EOF_AND_RESET:<a name="line.347"></a>
+<span class="sourceLineNo">348</span> case EOF_AND_RESET_COMPRESSION:<a name="line.348"></a>
+<span class="sourceLineNo">349</span> if (beingWritten) {<a name="line.349"></a>
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+<span class="sourceLineNo">351</span> // still being written<a name="line.351"></a>
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+<span class="sourceLineNo">354</span> // no more entries in this log file, and the file is already closed, i.e, rolled<a name="line.354"></a>
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+<span class="sourceLineNo">357</span> // while we were reading. See HBASE-6758<a name="line.357"></a>
+<span class="sourceLineNo">358</span> return lastAttempt();<a name="line.358"></a>
+<span class="sourceLineNo">359</span> case ERROR_AND_RESET:<a name="line.359"></a>
+<span class="sourceLineNo">360</span> case ERROR_AND_RESET_COMPRESSION:<a name="line.360"></a>
+<span class="sourceLineNo">361</span> // we have meet an error, just sleep a bit and retry again<a name="line.361"></a>
+<span class="sourceLineNo">362</span> return HasNext.RETRY;<a name="line.362"></a>
+<span class="sourceLineNo">363</span> default:<a name="line.363"></a>
+<span class="sourceLineNo">364</span> throw new IllegalArgumentException("Unknown read next result: " + state);<a name="line.364"></a>
+<span class="sourceLineNo">365</span> }<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> private FileStatus getCurrentPathFileStatus() throws IOException {<a name="line.368"></a>
+<span class="sourceLineNo">369</span> try {<a name="line.369"></a>
+<span class="sourceLineNo">370</span> return fs.getFileStatus(currentPath);<a name="line.370"></a>
+<span class="sourceLineNo">371</span> } catch (FileNotFoundException e) {<a name="line.371"></a>
+<span class="sourceLineNo">372</span> // try archived path<a name="line.372"></a>
+<span class="sourceLineNo">373</span> Path archivedWAL = AbstractFSWALProvider.findArchivedLog(currentPath, conf);<a name="line.373"></a>
+<span class="sourceLineNo">374</span> if (archivedWAL != null) {<a name="line.374"></a>
+<span class="sourceLineNo">375</span> return fs.getFileStatus(archivedWAL);<a name="line.375"></a>
+<span class="sourceLineNo">376</span> } else {<a name="line.376"></a>
+<span class="sourceLineNo">377</span> throw e;<a name="line.377"></a>
+<span class="sourceLineNo">378</span> }<a name="line.378"></a>
+<span class="sourceLineNo">379</span> }<a name="line.379"></a>
+<span class="sourceLineNo">380</span> }<a name="line.380"></a>
+<span class="sourceLineNo">381</span><a name="line.381"></a>
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+<span class="sourceLineNo">383</span> private boolean checkAllBytesParsed() {<a name="line.383"></a>
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+<span class="sourceLineNo">385</span> final long trailerSize = currentTrailerSize();<a name="line.385"></a>
+<span class="sourceLineNo">386</span> FileStatus stat = null;<a name="line.386"></a>
+<span class="sourceLineNo">387</span> try {<a name="line.387"></a>
+<span class="sourceLineNo">388</span> stat = getCurrentPathFileStatus();<a name="line.388"></a>
+<span class="sourceLineNo">389</span> } catch (IOException e) {<a name="line.389"></a>
+<span class="sourceLineNo">390</span> LOG.warn("Couldn't get file length information about log {}, it {} closed cleanly {}",<a name="line.390"></a>
+<span class="sourceLineNo">391</span> currentPath, trailerSize < 0 ? "was not" : "was", getCurrentPathStat(), e);<a name="line.391"></a>
+<span class="sourceLineNo">392</span> metrics.incrUnknownFileLengthForClosedWAL();<a name="line.392"></a>
+<span class="sourceLineNo">393</span> }<a name="line.393"></a>
+<span class="sourceLineNo">394</span> // Here we use currentPositionOfReader instead of currentPositionOfEntry.<a name="line.394"></a>
+<span class="sourceLineNo">395</span> // We only call this method when currentEntry is null so usually they are the same, but there<a name="line.395"></a>
+<span class="sourceLineNo">396</span> // are two exceptions. One is we have nothing in the file but only a header, in this way<a name="line.396"></a>
+<span class="sourceLineNo">397</span> // the currentPositionOfEntry will always be 0 since we have no change to update it. The other<a name="line.397"></a>
+<span class="sourceLineNo">398</span> // is that we reach the end of file, then currentPositionOfEntry will point to the tail of the<a name="line.398"></a>
+<span class="sourceLineNo">399</span> // last valid entry, and the currentPositionOfReader will usually point to the end of the file.<a name="line.399"></a>
+<span class="sourceLineNo">400</span> if (stat != null) {<a name="line.400"></a>
+<span class="sourceLineNo">401</span> if (trailerSize < 0) {<a name="line.401"></a>
+<span class="sourceLineNo">402</span> if (currentPositionOfReader < stat.getLen()) {<a name="line.402"></a>
+<span class="sourceLineNo">403</span> final long skippedBytes = stat.getLen() - currentPositionOfReader;<a name="line.403"></a>
+<span class="sourceLineNo">404</span> // See the commits in HBASE-25924/HBASE-25932 for context.<a name="line.404"></a>
+<span class="sourceLineNo">405</span> LOG.warn("Reached the end of WAL {}. It was not closed cleanly,"<a name="line.405"></a>
+<span class="sourceLineNo">406</span> + " so we did not parse {} bytes of data.", currentPath, skippedBytes);<a name="line.406"></a>
+<span class="sourceLineNo">407</span> metrics.incrUncleanlyClosedWALs();<a name="line.407"></a>
+<span class="sourceLineNo">408</span> metrics.incrBytesSkippedInUncleanlyClosedWALs(skippedBytes);<a name="line.408"></a>
+<span class="sourceLineNo">409</span> }<a name="line.409"></a>
+<span class="sourceLineNo">410</span> } else if (currentPositionOfReader + trailerSize < stat.getLen()) {<a name="line.410"></a>
+<span class="sourceLineNo">411</span> LOG.warn(<a name="line.411"></a>
+<span class="sourceLineNo">412</span> "Processing end of WAL {} at position {}, which is too far away from"<a name="line.412"></a>
+<span class="sourceLineNo">413</span> + " reported file length {}. Restarting WAL reading (see HBASE-15983 for details). {}",<a name="line.413"></a>
+<span class="sourceLineNo">414</span> currentPath, currentPositionOfReader, stat.getLen(), getCurrentPathStat());<a name="line.414"></a>
+<span class="sourceLineNo">415</span> metrics.incrRestartedWALReading();<a name="line.415"></a>
+<span class="sourceLineNo">416</span> metrics.incrRepeatedFileBytes(currentPositionOfReader);<a name="line.416"></a>
+<span class="sourceLineNo">417</span> return false;<a name="line.417"></a>
+<span class="sourceLineNo">418</span> }<a name="line.418"></a>
+<span class="sourceLineNo">419</span> }<a name="line.419"></a>
+<span class="sourceLineNo">420</span> LOG.debug("Reached the end of {} and length of the file is {}", currentPath,<a name="line.420"></a>
+<span class="sourceLineNo">421</span> stat == null ? "N/A" : stat.getLen());<a name="line.421"></a>
+<span class="sourceLineNo">422</span> metrics.incrCompletedWAL();<a name="line.422"></a>
+<span class="sourceLineNo">423</span> return true;<a name="line.423"></a>
+<span class="sourceLineNo">424</span> }<a name="line.424"></a>
+<span class="sourceLineNo">425</span><a name="line.425"></a>
+<span class="sourceLineNo">426</span> private void dequeueCurrentLog() {<a name="line.426"></a>
+<span class="sourceLineNo">427</span> LOG.debug("EOF, closing {}", currentPath);<a name="line.427"></a>
+<span class="sourceLineNo">428</span> closeReader();<a name="line.428"></a>
+<span class="sourceLineNo">429</span> logQueue.remove(walGroupId);<a name="line.429"></a>
+<span class="sourceLineNo">430</span> setCurrentPath(null);<a name="line.430"></a>
+<span class="sourceLineNo">431</span> currentPositionOfEntry = 0;<a name="line.431"></a>
+<span class="sourceLineNo">432</span> state = null;<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> /**<a name="line.435"></a>
+<span class="sourceLineNo">436</span> * Returns whether the file is opened for writing.<a name="line.436"></a>
+<span class="sourceLineNo">437</span> */<a name="line.437"></a>
+<span class="sourceLineNo">438</span> private Pair<WALTailingReader.State, Boolean> readNextEntryAndRecordReaderPosition() {<a name="line.438"></a>
+<span class="sourceLineNo">439</span> OptionalLong fileLength = walFileLengthProvider.getLogFileSizeIfBeingWritten(currentPath);<a name="line.439"></a>
+<span class="sourceLineNo">440</span> WALTailingReader.Result readResult = reader.next(fileLength.orElse(-1));<a name="line.440"></a>
+<span class="sourceLineNo">441</span> long readerPos = readResult.getEntryEndPos();<a name="line.441"></a>
+<span class="sourceLineNo">442</span> Entry readEntry = readResult.getEntry();<a name="line.442"></a>
+<span class="sourceLineNo">443</span> if (readResult.getState() == WALTailingReader.State.NORMAL) {<a name="line.443"></a>
+<span class="sourceLineNo">444</span> LOG.trace("reading entry: {} ", readEntry);<a name="line.444"></a>
+<span class="sourceLineNo">445</span> metrics.incrLogEditsRead();<a name="line.445"></a>
+<span class="sourceLineNo">446</span> metrics.incrLogReadInBytes(readerPos - currentPositionOfEntry);<a name="line.446"></a>
+<span class="sourceLineNo">447</span> // record current entry and reader position<a name="line.447"></a>
+<span class="sourceLineNo">448</span> currentEntry = readResult.getEntry();<a name="line.448"></a>
+<span class="sourceLineNo">449</span> this.currentPositionOfReader = readerPos;<a name="line.449"></a>
+<span class="sourceLineNo">450</span> } else {<a name="line.450"></a>
+<span class="sourceLineNo">451</span> LOG.trace("reading entry failed with: {}", readResult.getState());<a name="line.451"></a>
+<span class="sourceLineNo">452</span> // set current entry to null<a name="line.452"></a>
+<span class="sourceLineNo">453</span> currentEntry = null;<a name="line.453"></a>
+<span class="sourceLineNo">454</span> try {<a name="line.454"></a>
+<span class="sourceLineNo">455</span> this.currentPositionOfReader = reader.getPosition();<a name="line.455"></a>
+<span class="sourceLineNo">456</span> } catch (IOException e) {<a name="line.456"></a>
+<span class="sourceLineNo">457</span> LOG.warn("failed to get current position of reader", e);<a name="line.457"></a>
+<span class="sourceLineNo">458</span> if (readResult.getState().resetCompression()) {<a name="line.458"></a>
+<span class="sourceLineNo">459</span> return Pair.newPair(WALTailingReader.State.ERROR_AND_RESET_COMPRESSION,<a name="line.459"></a>
+<span class="sourceLineNo">460</span> fileLength.isPresent());<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> }<a name="line.463"></a>
+<span class="sourceLineNo">464</span> return Pair.newPair(readResult.getState(), fileLength.isPresent());<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> private void closeReader() {<a name="line.467"></a>
+<span class="sourceLineNo">468</span> if (reader != null) {<a name="line.468"></a>
+<span class="sourceLineNo">469</span> reader.close();<a name="line.469"></a>
+<span class="sourceLineNo">470</span> reader = null;<a name="line.470"></a>
+<span class="sourceLineNo">471</span> }<a name="line.471"></a>
+<span class="sourceLineNo">472</span> }<a name="line.472"></a>
+<span class="sourceLineNo">473</span><a name="line.473"></a>
+<span class="sourceLineNo">474</span> private long currentTrailerSize() {<a name="line.474"></a>
+<span class="sourceLineNo">475</span> long size = -1L;<a name="line.475"></a>
+<span class="sourceLineNo">476</span> if (reader instanceof AbstractProtobufWALReader) {<a name="line.476"></a>
+<span class="sourceLineNo">477</span> final AbstractProtobufWALReader pbwr = (AbstractProtobufWALReader) reader;<a name="line.477"></a>
+<span class="sourceLineNo">478</span> size = pbwr.trailerSize();<a name="line.478"></a>
+<span class="sourceLineNo">479</span> }<a name="line.479"></a>
+<span class="sourceLineNo">480</span> return size;<a name="line.480"></a>
+<span class="sourceLineNo">481</span> }<a name="line.481"></a>
+<span class="sourceLineNo">482</span>}<a name="line.482"></a>
diff --git a/downloads.html b/downloads.html
index 542a127eacf..f19785b43fb 100644
--- a/downloads.html
+++ b/downloads.html
@@ -415,7 +415,7 @@
<div class="row">
<p>Copyright ©2007–2023
<a href="https://www.apache.org/">The Apache Software Foundation</a>.
-All rights reserved. <li id="publishDate" class="pull-right">Last Published: 2023-03-13</li>
+All rights reserved. <li id="publishDate" class="pull-right">Last Published: 2023-03-15</li>
</p>
</div>
<p id="poweredBy" class="pull-right"><a href="http://maven.apache.org/" title="Built by Maven" class="poweredBy"><img class="builtBy" alt="Built by Maven" src="./images/logos/maven-feather.png" /></a>
diff --git a/export_control.html b/export_control.html
index da455430783..320c9fc8d3b 100644
--- a/export_control.html
+++ b/export_control.html
@@ -205,7 +205,7 @@ for more details.</p>
<div class="row">
<p>Copyright ©2007–2023
<a href="https://www.apache.org/">The Apache Software Foundation</a>.
-All rights reserved. <li id="publishDate" class="pull-right">Last Published: 2023-03-13</li>
+All rights reserved. <li id="publishDate" class="pull-right">Last Published: 2023-03-15</li>
</p>
</div>
<p id="poweredBy" class="pull-right"><a href="http://maven.apache.org/" title="Built by Maven" class="poweredBy"><img class="builtBy" alt="Built by Maven" src="./images/logos/maven-feather.png" /></a>
diff --git a/index.html b/index.html
index b6715d10b86..5d07e4c411e 100644
--- a/index.html
+++ b/index.html
@@ -278,7 +278,7 @@
<div class="row">
<p>Copyright ©2007–2023
<a href="https://www.apache.org/">The Apache Software Foundation</a>.
-All rights reserved. <li id="publishDate" class="pull-right">Last Published: 2023-03-13</li>
+All rights reserved. <li id="publishDate" class="pull-right">Last Published: 2023-03-15</li>
</p>
</div>
<p id="poweredBy" class="pull-right"><a href="http://maven.apache.org/" title="Built by Maven" class="poweredBy"><img class="builtBy" alt="Built by Maven" src="./images/logos/maven-feather.png" /></a>
diff --git a/issue-management.html b/issue-management.html
index c54d35f79a9..9df5918db72 100644
--- a/issue-management.html
+++ b/issue-management.html
@@ -176,7 +176,7 @@
<div class="row">
<p>Copyright ©2007–2023
<a href="https://www.apache.org/">The Apache Software Foundation</a>.
-All rights reserved. <li id="publishDate" class="pull-right">Last Published: 2023-03-13</li>
+All rights reserved. <li id="publishDate" class="pull-right">Last Published: 2023-03-15</li>
</p>
</div>
<p id="poweredBy" class="pull-right"><a href="http://maven.apache.org/" title="Built by Maven" class="poweredBy"><img class="builtBy" alt="Built by Maven" src="./images/logos/maven-feather.png" /></a>
diff --git a/licenses.html b/licenses.html
index 482d0613f4c..fa483a12687 100644
--- a/licenses.html
+++ b/licenses.html
@@ -378,7 +378,7 @@
<div class="row">
<p>Copyright ©2007–2023
<a href="https://www.apache.org/">The Apache Software Foundation</a>.
-All rights reserved. <li id="publishDate" class="pull-right">Last Published: 2023-03-13</li>
+All rights reserved. <li id="publishDate" class="pull-right">Last Published: 2023-03-15</li>
</p>
</div>
<p id="poweredBy" class="pull-right"><a href="http://maven.apache.org/" title="Built by Maven" class="poweredBy"><img class="builtBy" alt="Built by Maven" src="./images/logos/maven-feather.png" /></a>
diff --git a/mailing-lists.html b/mailing-lists.html
index d8af32ce923..cce3dda47b8 100644
--- a/mailing-lists.html
+++ b/mailing-lists.html
@@ -223,7 +223,7 @@
<div class="row">
<p>Copyright ©2007–2023
<a href="https://www.apache.org/">The Apache Software Foundation</a>.
-All rights reserved. <li id="publishDate" class="pull-right">Last Published: 2023-03-13</li>
+All rights reserved. <li id="publishDate" class="pull-right">Last Published: 2023-03-15</li>
</p>
</div>
<p id="poweredBy" class="pull-right"><a href="http://maven.apache.org/" title="Built by Maven" class="poweredBy"><img class="builtBy" alt="Built by Maven" src="./images/logos/maven-feather.png" /></a>
diff --git a/metrics.html b/metrics.html
index caae5a49212..1a00aef89e8 100644
--- a/metrics.html
+++ b/metrics.html
@@ -327,7 +327,7 @@ export HBASE_REGIONSERVER_OPTS="$HBASE_JMX_OPTS -Dcom.sun.management.jmxrem
<div class="row">
<p>Copyright ©2007–2023
<a href="https://www.apache.org/">The Apache Software Foundation</a>.
-All rights reserved. <li id="publishDate" class="pull-right">Last Published: 2023-03-13</li>
+All rights reserved. <li id="publishDate" class="pull-right">Last Published: 2023-03-15</li>
</p>
</div>
<p id="poweredBy" class="pull-right"><a href="http://maven.apache.org/" title="Built by Maven" class="poweredBy"><img class="builtBy" alt="Built by Maven" src="./images/logos/maven-feather.png" /></a>
diff --git a/old_news.html b/old_news.html
index e2951dce8a0..9256c314942 100644
--- a/old_news.html
+++ b/old_news.html
@@ -324,7 +324,7 @@
<div class="row">
<p>Copyright ©2007–2023
<a href="https://www.apache.org/">The Apache Software Foundation</a>.
-All rights reserved. <li id="publishDate" class="pull-right">Last Published: 2023-03-13</li>
+All rights reserved. <li id="publishDate" class="pull-right">Last Published: 2023-03-15</li>
</p>
</div>
<p id="poweredBy" class="pull-right"><a href="http://maven.apache.org/" title="Built by Maven" class="poweredBy"><img class="builtBy" alt="Built by Maven" src="./images/logos/maven-feather.png" /></a>
diff --git a/plugin-management.html b/plugin-management.html
index 8876e7e051a..e180b8b0421 100644
--- a/plugin-management.html
+++ b/plugin-management.html
@@ -329,7 +329,7 @@
<div class="row">
<p>Copyright ©2007–2023
<a href="https://www.apache.org/">The Apache Software Foundation</a>.
-All rights reserved. <li id="publishDate" class="pull-right">Last Published: 2023-03-13</li>
+All rights reserved. <li id="publishDate" class="pull-right">Last Published: 2023-03-15</li>
</p>
</div>
<p id="poweredBy" class="pull-right"><a href="http://maven.apache.org/" title="Built by Maven" class="poweredBy"><img class="builtBy" alt="Built by Maven" src="./images/logos/maven-feather.png" /></a>
diff --git a/plugins.html b/plugins.html
index e4efbb7fa7a..37500567ba0 100644
--- a/plugins.html
+++ b/plugins.html
@@ -267,7 +267,7 @@
<div class="row">
<p>Copyright ©2007–2023
<a href="https://www.apache.org/">The Apache Software Foundation</a>.
-All rights reserved. <li id="publishDate" class="pull-right">Last Published: 2023-03-13</li>
+All rights reserved. <li id="publishDate" class="pull-right">Last Published: 2023-03-15</li>
</p>
</div>
<p id="poweredBy" class="pull-right"><a href="http://maven.apache.org/" title="Built by Maven" class="poweredBy"><img class="builtBy" alt="Built by Maven" src="./images/logos/maven-feather.png" /></a>
diff --git a/poweredbyhbase.html b/poweredbyhbase.html
index 22b97556a94..0ca18642b9f 100644
--- a/poweredbyhbase.html
+++ b/poweredbyhbase.html
@@ -658,7 +658,7 @@
<div class="row">
<p>Copyright ©2007–2023
<a href="https://www.apache.org/">The Apache Software Foundation</a>.
-All rights reserved. <li id="publishDate" class="pull-right">Last Published: 2023-03-13</li>
+All rights reserved. <li id="publishDate" class="pull-right">Last Published: 2023-03-15</li>
</p>
</div>
<p id="poweredBy" class="pull-right"><a href="http://maven.apache.org/" title="Built by Maven" class="poweredBy"><img class="builtBy" alt="Built by Maven" src="./images/logos/maven-feather.png" /></a>
diff --git a/project-info.html b/project-info.html
index 7e83fb2b397..29da7673b8a 100644
--- a/project-info.html
+++ b/project-info.html
@@ -220,7 +220,7 @@
<div class="row">
<p>Copyright ©2007–2023
<a href="https://www.apache.org/">The Apache Software Foundation</a>.
-All rights reserved. <li id="publishDate" class="pull-right">Last Published: 2023-03-13</li>
+All rights reserved. <li id="publishDate" class="pull-right">Last Published: 2023-03-15</li>
</p>
</div>
<p id="poweredBy" class="pull-right"><a href="http://maven.apache.org/" title="Built by Maven" class="poweredBy"><img class="builtBy" alt="Built by Maven" src="./images/logos/maven-feather.png" /></a>
diff --git a/project-reports.html b/project-reports.html
index 03a375a1d67..ed076f6bff3 100644
--- a/project-reports.html
+++ b/project-reports.html
@@ -193,7 +193,7 @@
<div class="row">
<p>Copyright ©2007–2023
<a href="https://www.apache.org/">The Apache Software Foundation</a>.
-All rights reserved. <li id="publishDate" class="pull-right">Last Published: 2023-03-13</li>
+All rights reserved. <li id="publishDate" class="pull-right">Last Published: 2023-03-15</li>
</p>
</div>
<p id="poweredBy" class="pull-right"><a href="http://maven.apache.org/" title="Built by Maven" class="poweredBy"><img class="builtBy" alt="Built by Maven" src="./images/logos/maven-feather.png" /></a>
diff --git a/pseudo-distributed.html b/pseudo-distributed.html
index 8ab4115e59b..0fdc986dc53 100644
--- a/pseudo-distributed.html
+++ b/pseudo-distributed.html
@@ -182,7 +182,7 @@ Running Apache HBase (TM) in pseudo-distributed mode
<div class="row">
<p>Copyright ©2007–2023
<a href="https://www.apache.org/">The Apache Software Foundation</a>.
-All rights reserved. <li id="publishDate" class="pull-right">Last Published: 2023-03-13</li>
+All rights reserved. <li id="publishDate" class="pull-right">Last Published: 2023-03-15</li>
</p>
</div>
<p id="poweredBy" class="pull-right"><a href="http://maven.apache.org/" title="Built by Maven" class="poweredBy"><img class="builtBy" alt="Built by Maven" src="./images/logos/maven-feather.png" /></a>
diff --git a/replication.html b/replication.html
index fd539a8499c..130e43bb94b 100644
--- a/replication.html
+++ b/replication.html
@@ -177,7 +177,7 @@
<div class="row">
<p>Copyright ©2007–2023
<a href="https://www.apache.org/">The Apache Software Foundation</a>.
-All rights reserved. <li id="publishDate" class="pull-right">Last Published: 2023-03-13</li>
+All rights reserved. <li id="publishDate" class="pull-right">Last Published: 2023-03-15</li>
</p>
</div>
<p id="poweredBy" class="pull-right"><a href="http://maven.apache.org/" title="Built by Maven" class="poweredBy"><img class="builtBy" alt="Built by Maven" src="./images/logos/maven-feather.png" /></a>
diff --git a/resources.html b/resources.html
index 6789c746a64..bbefbe8e527 100644
--- a/resources.html
+++ b/resources.html
@@ -200,7 +200,7 @@
<div class="row">
<p>Copyright ©2007–2023
<a href="https://www.apache.org/">The Apache Software Foundation</a>.
-All rights reserved. <li id="publishDate" class="pull-right">Last Published: 2023-03-13</li>
+All rights reserved. <li id="publishDate" class="pull-right">Last Published: 2023-03-15</li>
</p>
</div>
<p id="poweredBy" class="pull-right"><a href="http://maven.apache.org/" title="Built by Maven" class="poweredBy"><img class="builtBy" alt="Built by Maven" src="./images/logos/maven-feather.png" /></a>
diff --git a/scm.html b/scm.html
index c1986b8fc07..75e2a7c3da3 100644
--- a/scm.html
+++ b/scm.html
@@ -184,7 +184,7 @@
<div class="row">
<p>Copyright ©2007–2023
<a href="https://www.apache.org/">The Apache Software Foundation</a>.
-All rights reserved. <li id="publishDate" class="pull-right">Last Published: 2023-03-13</li>
+All rights reserved. <li id="publishDate" class="pull-right">Last Published: 2023-03-15</li>
</p>
</div>
<p id="poweredBy" class="pull-right"><a href="http://maven.apache.org/" title="Built by Maven" class="poweredBy"><img class="builtBy" alt="Built by Maven" src="./images/logos/maven-feather.png" /></a>
diff --git a/sponsors.html b/sponsors.html
index 41e6996de21..a8adbf9bfdd 100644
--- a/sponsors.html
+++ b/sponsors.html
@@ -206,7 +206,7 @@
<div class="row">
<p>Copyright ©2007–2023
<a href="https://www.apache.org/">The Apache Software Foundation</a>.
-All rights reserved. <li id="publishDate" class="pull-right">Last Published: 2023-03-13</li>
+All rights reserved. <li id="publishDate" class="pull-right">Last Published: 2023-03-15</li>
</p>
</div>
<p id="poweredBy" class="pull-right"><a href="http://maven.apache.org/" title="Built by Maven" class="poweredBy"><img class="builtBy" alt="Built by Maven" src="./images/logos/maven-feather.png" /></a>
diff --git a/summary.html b/summary.html
index df4e71962ab..619f02d40d9 100644
--- a/summary.html
+++ b/summary.html
@@ -217,7 +217,7 @@
<div class="row">
<p>Copyright ©2007–2023
<a href="https://www.apache.org/">The Apache Software Foundation</a>.
-All rights reserved. <li id="publishDate" class="pull-right">Last Published: 2023-03-13</li>
+All rights reserved. <li id="publishDate" class="pull-right">Last Published: 2023-03-15</li>
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-<span class="sourceLineNo">180</span> for (int i = 0; i < count; i++) {<a name="line.180"></a>
-<span class="sourceLineNo">181</span> edit.add(new KeyValue(Bytes.toBytes(EnvironmentEdgeManager.currentTime()), family, qualifier,<a name="line.181"></a>
-<span class="sourceLineNo">182</span> EnvironmentEdgeManager.currentTime(), qualifier));<a name="line.182"></a>
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-<span class="sourceLineNo">185</span> }<a name="line.185"></a>
-<span class="sourceLineNo">186</span>}<a name="line.186"></a>
+<span class="sourceLineNo">133</span> CONF = TEST_UTIL.getConfiguration();<a name="line.133"></a>
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+<span class="sourceLineNo">135</span> TEST_UTIL.startMiniDFSCluster(3);<a name="line.135"></a>
+<span class="sourceLineNo">136</span><a name="line.136"></a>
+<span class="sourceLineNo">137</span> cluster = TEST_UTIL.getDFSCluster();<a name="line.137"></a>
+<span class="sourceLineNo">138</span> fs = cluster.getFileSystem();<a name="line.138"></a>
+<span class="sourceLineNo">139</span> }<a name="line.139"></a>
+<span class="sourceLineNo">140</span><a name="line.140"></a>
+<span class="sourceLineNo">141</span> @AfterClass<a name="line.141"></a>
+<span class="sourceLineNo">142</span> public static void tearDownAfterClass() throws Exception {<a name="line.142"></a>
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+<span class="sourceLineNo">144</span> }<a name="line.144"></a>
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+<span class="sourceLineNo">146</span> protected void initWAL() throws IOException {<a name="line.146"></a>
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+<span class="sourceLineNo">148</span> MetricsSource metricsSource = new MetricsSource("2");<a name="line.148"></a>
+<span class="sourceLineNo">149</span> // Source with the same id is shared and carries values from the last run<a name="line.149"></a>
+<span class="sourceLineNo">150</span> metricsSource.clear();<a name="line.150"></a>
+<span class="sourceLineNo">151</span> logQueue = new ReplicationSourceLogQueue(CONF, metricsSource, source);<a name="line.151"></a>
+<span class="sourceLineNo">152</span> pathWatcher = new PathWatcher();<a name="line.152"></a>
+<span class="sourceLineNo">153</span> final WALFactory wals = new WALFactory(CONF, tn.getMethodName().replaceAll("[\\[:]", "_"));<a name="line.153"></a>
+<span class="sourceLineNo">154</span> wals.getWALProvider().addWALActionsListener(pathWatcher);<a name="line.154"></a>
+<span class="sourceLineNo">155</span> log = wals.getWAL(info);<a name="line.155"></a>
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+<span class="sourceLineNo">162</span><a name="line.162"></a>
+<span class="sourceLineNo">163</span> protected void appendToLogAndSync() throws IOException {<a name="line.163"></a>
+<span class="sourceLineNo">164</span> appendToLogAndSync(1);<a name="line.164"></a>
+<span class="sourceLineNo">165</span> }<a name="line.165"></a>
+<span class="sourceLineNo">166</span><a name="line.166"></a>
+<span class="sourceLineNo">167</span> protected void appendToLogAndSync(int count) throws IOException {<a name="line.167"></a>
+<span class="sourceLineNo">168</span> long txid = appendToLog(count);<a name="line.168"></a>
+<span class="sourceLineNo">169</span> log.sync(txid);<a name="line.169"></a>
+<span class="sourceLineNo">170</span> }<a name="line.170"></a>
+<span class="sourceLineNo">171</span><a name="line.171"></a>
+<span class="sourceLineNo">172</span> protected long appendToLog(int count) throws IOException {<a name="line.172"></a>
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+<span class="sourceLineNo">174</span> EnvironmentEdgeManager.currentTime(), mvcc, scopes), getWALEdits(count));<a name="line.174"></a>
+<span class="sourceLineNo">175</span> }<a name="line.175"></a>
+<span class="sourceLineNo">176</span><a name="line.176"></a>
+<span class="sourceLineNo">177</span> protected WALEdit getWALEdits(int count) {<a name="line.177"></a>
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+<span class="sourceLineNo">179</span> for (int i = 0; i < count; i++) {<a name="line.179"></a>
+<span class="sourceLineNo">180</span> edit.add(new KeyValue(Bytes.toBytes(EnvironmentEdgeManager.currentTime()), family, qualifier,<a name="line.180"></a>
+<span class="sourceLineNo">181</span> EnvironmentEdgeManager.currentTime(), qualifier));<a name="line.181"></a>
+<span class="sourceLineNo">182</span> }<a name="line.182"></a>
+<span class="sourceLineNo">183</span> return edit;<a name="line.183"></a>
+<span class="sourceLineNo">184</span> }<a name="line.184"></a>
+<span class="sourceLineNo">185</span>}<a name="line.185"></a>
diff --git a/testdevapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/WALEntryStreamTestBase.html b/testdevapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/WALEntryStreamTestBase.html
index 361cba1934f..5d51827c345 100644
--- a/testdevapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/WALEntryStreamTestBase.html
+++ b/testdevapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/WALEntryStreamTestBase.html
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<span class="sourceLineNo">130</span> protected final MultiVersionConcurrencyControl mvcc = new MultiVersionConcurrencyControl();<a name="line.130"></a>
<span class="sourceLineNo">131</span><a name="line.131"></a>
<span class="sourceLineNo">132</span> protected static void startCluster() throws Exception {<a name="line.132"></a>
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-<span class="sourceLineNo">148</span> ReplicationSource source = mock(ReplicationSource.class);<a name="line.148"></a>
-<span class="sourceLineNo">149</span> MetricsSource metricsSource = new MetricsSource("2");<a name="line.149"></a>
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-<span class="sourceLineNo">151</span> metricsSource.clear();<a name="line.151"></a>
-<span class="sourceLineNo">152</span> logQueue = new ReplicationSourceLogQueue(CONF, metricsSource, source);<a name="line.152"></a>
-<span class="sourceLineNo">153</span> pathWatcher = new PathWatcher();<a name="line.153"></a>
-<span class="sourceLineNo">154</span> final WALFactory wals = new WALFactory(CONF, tn.getMethodName().replaceAll("[\\[:]", "_"));<a name="line.154"></a>
-<span class="sourceLineNo">155</span> wals.getWALProvider().addWALActionsListener(pathWatcher);<a name="line.155"></a>
-<span class="sourceLineNo">156</span> log = wals.getWAL(info);<a name="line.156"></a>
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-<span class="sourceLineNo">158</span><a name="line.158"></a>
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-<span class="sourceLineNo">164</span> protected void appendToLogAndSync() throws IOException {<a name="line.164"></a>
-<span class="sourceLineNo">165</span> appendToLogAndSync(1);<a name="line.165"></a>
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-<span class="sourceLineNo">167</span><a name="line.167"></a>
-<span class="sourceLineNo">168</span> protected void appendToLogAndSync(int count) throws IOException {<a name="line.168"></a>
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-<span class="sourceLineNo">170</span> log.sync(txid);<a name="line.170"></a>
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-<span class="sourceLineNo">173</span> protected long appendToLog(int count) throws IOException {<a name="line.173"></a>
-<span class="sourceLineNo">174</span> return log.appendData(info, new WALKeyImpl(info.getEncodedNameAsBytes(), tableName,<a name="line.174"></a>
-<span class="sourceLineNo">175</span> EnvironmentEdgeManager.currentTime(), mvcc, scopes), getWALEdits(count));<a name="line.175"></a>
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-<span class="sourceLineNo">177</span><a name="line.177"></a>
-<span class="sourceLineNo">178</span> protected WALEdit getWALEdits(int count) {<a name="line.178"></a>
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-<span class="sourceLineNo">182</span> EnvironmentEdgeManager.currentTime(), qualifier));<a name="line.182"></a>
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+<span class="sourceLineNo">137</span> cluster = TEST_UTIL.getDFSCluster();<a name="line.137"></a>
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+<span class="sourceLineNo">145</span><a name="line.145"></a>
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+<span class="sourceLineNo">148</span> MetricsSource metricsSource = new MetricsSource("2");<a name="line.148"></a>
+<span class="sourceLineNo">149</span> // Source with the same id is shared and carries values from the last run<a name="line.149"></a>
+<span class="sourceLineNo">150</span> metricsSource.clear();<a name="line.150"></a>
+<span class="sourceLineNo">151</span> logQueue = new ReplicationSourceLogQueue(CONF, metricsSource, source);<a name="line.151"></a>
+<span class="sourceLineNo">152</span> pathWatcher = new PathWatcher();<a name="line.152"></a>
+<span class="sourceLineNo">153</span> final WALFactory wals = new WALFactory(CONF, tn.getMethodName().replaceAll("[\\[:]", "_"));<a name="line.153"></a>
+<span class="sourceLineNo">154</span> wals.getWALProvider().addWALActionsListener(pathWatcher);<a name="line.154"></a>
+<span class="sourceLineNo">155</span> log = wals.getWAL(info);<a name="line.155"></a>
+<span class="sourceLineNo">156</span> }<a name="line.156"></a>
+<span class="sourceLineNo">157</span><a name="line.157"></a>
+<span class="sourceLineNo">158</span> @After<a name="line.158"></a>
+<span class="sourceLineNo">159</span> public void tearDown() throws Exception {<a name="line.159"></a>
+<span class="sourceLineNo">160</span> Closeables.close(log, true);<a name="line.160"></a>
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+<span class="sourceLineNo">162</span><a name="line.162"></a>
+<span class="sourceLineNo">163</span> protected void appendToLogAndSync() throws IOException {<a name="line.163"></a>
+<span class="sourceLineNo">164</span> appendToLogAndSync(1);<a name="line.164"></a>
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+<span class="sourceLineNo">166</span><a name="line.166"></a>
+<span class="sourceLineNo">167</span> protected void appendToLogAndSync(int count) throws IOException {<a name="line.167"></a>
+<span class="sourceLineNo">168</span> long txid = appendToLog(count);<a name="line.168"></a>
+<span class="sourceLineNo">169</span> log.sync(txid);<a name="line.169"></a>
+<span class="sourceLineNo">170</span> }<a name="line.170"></a>
+<span class="sourceLineNo">171</span><a name="line.171"></a>
+<span class="sourceLineNo">172</span> protected long appendToLog(int count) throws IOException {<a name="line.172"></a>
+<span class="sourceLineNo">173</span> return log.appendData(info, new WALKeyImpl(info.getEncodedNameAsBytes(), tableName,<a name="line.173"></a>
+<span class="sourceLineNo">174</span> EnvironmentEdgeManager.currentTime(), mvcc, scopes), getWALEdits(count));<a name="line.174"></a>
+<span class="sourceLineNo">175</span> }<a name="line.175"></a>
+<span class="sourceLineNo">176</span><a name="line.176"></a>
+<span class="sourceLineNo">177</span> protected WALEdit getWALEdits(int count) {<a name="line.177"></a>
+<span class="sourceLineNo">178</span> WALEdit edit = new WALEdit();<a name="line.178"></a>
+<span class="sourceLineNo">179</span> for (int i = 0; i < count; i++) {<a name="line.179"></a>
+<span class="sourceLineNo">180</span> edit.add(new KeyValue(Bytes.toBytes(EnvironmentEdgeManager.currentTime()), family, qualifier,<a name="line.180"></a>
+<span class="sourceLineNo">181</span> EnvironmentEdgeManager.currentTime(), qualifier));<a name="line.181"></a>
+<span class="sourceLineNo">182</span> }<a name="line.182"></a>
+<span class="sourceLineNo">183</span> return edit;<a name="line.183"></a>
+<span class="sourceLineNo">184</span> }<a name="line.184"></a>
+<span class="sourceLineNo">185</span>}<a name="line.185"></a>
diff --git a/testdevapidocs/src-html/org/apache/hadoop/hbase/wal/TestWALOpenAfterDNRollingStart.html b/testdevapidocs/src-html/org/apache/hadoop/hbase/wal/TestWALOpenAfterDNRollingStart.html
index 5b1b94c3399..1a9cd04619e 100644
--- a/testdevapidocs/src-html/org/apache/hadoop/hbase/wal/TestWALOpenAfterDNRollingStart.html
+++ b/testdevapidocs/src-html/org/apache/hadoop/hbase/wal/TestWALOpenAfterDNRollingStart.html
@@ -129,7 +129,7 @@
<span class="sourceLineNo">121</span> currentFile = new Path(oldLogDir, currentFile.getName());<a name="line.121"></a>
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<span class="sourceLineNo">123</span> // if the log is not rolled, then we can never open this wal forever.<a name="line.123"></a>
-<span class="sourceLineNo">124</span> try (WALStreamReader reader = WALFactory.createStreamReader(TEST_UTIL.getTestFileSystem(),<a name="line.124"></a>
+<span class="sourceLineNo">124</span> try (WALStreamReader reader = NoEOFWALStreamReader.create(TEST_UTIL.getTestFileSystem(),<a name="line.124"></a>
<span class="sourceLineNo">125</span> currentFile, TEST_UTIL.getConfiguration())) {<a name="line.125"></a>
<span class="sourceLineNo">126</span> reader.next();<a name="line.126"></a>
<span class="sourceLineNo">127</span> }<a name="line.127"></a>