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Hadoop QA commented on HBASE-12949: ----------------------------------- {color:red}-1 overall{color}. Here are the results of testing the latest attachment http://issues.apache.org/jira/secure/attachment/12696577/HBASE-12949-master.patch against master branch at commit 4f472062a436726f686608023126dd8d5cc9c9bc. ATTACHMENT ID: 12696577 {color:green}+1 @author{color}. The patch does not contain any @author tags. {color:red}-1 tests included{color}. The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch. {color:green}+1 javac{color}. The applied patch does not increase the total number of javac compiler warnings. {color:green}+1 javac{color}. The applied patch does not increase the total number of javac compiler warnings. {color:green}+1 javadoc{color}. The javadoc tool did not generate any warning messages. {color:green}+1 checkstyle{color}. The applied patch does not increase the total number of checkstyle errors {color:green}+1 findbugs{color}. The patch does not introduce any new Findbugs (version 2.0.3) warnings. {color:green}+1 release audit{color}. The applied patch does not increase the total number of release audit warnings. {color:green}+1 lineLengths{color}. The patch does not introduce lines longer than 100 {color:green}+1 site{color}. The mvn site goal succeeds with this patch. {color:green}+1 core tests{color}. The patch passed unit tests in . {color:red}-1 core zombie tests{color}. There are 1 zombie test(s): at org.apache.hadoop.mapred.TestLazyOutput.testLazyOutput(TestLazyOutput.java:156) Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/12693//testReport/ Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12693//artifact/patchprocess/newPatchFindbugsWarningshbase-examples.html Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12693//artifact/patchprocess/newPatchFindbugsWarningshbase-prefix-tree.html Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12693//artifact/patchprocess/newPatchFindbugsWarningshbase-server.html Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12693//artifact/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12693//artifact/patchprocess/newPatchFindbugsWarningshbase-client.html Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12693//artifact/patchprocess/newPatchFindbugsWarningshbase-protocol.html Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12693//artifact/patchprocess/newPatchFindbugsWarningshbase-hadoop2-compat.html Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12693//artifact/patchprocess/newPatchFindbugsWarningshbase-rest.html Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12693//artifact/patchprocess/newPatchFindbugsWarningshbase-thrift.html Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12693//artifact/patchprocess/newPatchFindbugsWarningshbase-annotations.html Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12693//artifact/patchprocess/newPatchFindbugsWarningshbase-common.html Checkstyle Errors: https://builds.apache.org/job/PreCommit-HBASE-Build/12693//artifact/patchprocess/checkstyle-aggregate.html Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/12693//console This message is automatically generated. > Scanner can be stuck in infinite loop if the HFile is corrupted > --------------------------------------------------------------- > > Key: HBASE-12949 > URL: https://issues.apache.org/jira/browse/HBASE-12949 > Project: HBase > Issue Type: Bug > Affects Versions: 0.94.3, 0.98.10 > Reporter: Jerry He > Attachments: HBASE-12949-master.patch > > > We've encountered problem where compaction hangs and never completes. > After looking into it further, we found that the compaction scanner was stuck > in a infinite loop. See stack below. > {noformat} > org.apache.hadoop.hbase.regionserver.KeyValueHeap.generalizedSeek(KeyValueHeap.java:296) > org.apache.hadoop.hbase.regionserver.KeyValueHeap.reseek(KeyValueHeap.java:257) > org.apache.hadoop.hbase.regionserver.StoreScanner.reseek(StoreScanner.java:697) > org.apache.hadoop.hbase.regionserver.StoreScanner.seekToNextRow(StoreScanner.java:672) > org.apache.hadoop.hbase.regionserver.StoreScanner.next(StoreScanner.java:529) > org.apache.hadoop.hbase.regionserver.compactions.Compactor.performCompaction(Compactor.java:223) > {noformat} > We identified the hfile that seems to be corrupted. Using HFile tool shows > the following: > {noformat} > [biadmin@hdtest009 bin]$ hbase org.apache.hadoop.hbase.io.hfile.HFile -v -k > -m -f > /user/biadmin/CUMMINS_INSITE_V1/7106432d294dd844be15996ccbf2ba84/attributes/f1a7e3113c2c4047ac1fc8fbcb41d8b7 > 15/01/23 11:53:17 INFO Configuration.deprecation: hadoop.native.lib is > deprecated. Instead, use io.native.lib.available > 15/01/23 11:53:18 INFO util.ChecksumType: Checksum using > org.apache.hadoop.util.PureJavaCrc32 > 15/01/23 11:53:18 INFO util.ChecksumType: Checksum can use > org.apache.hadoop.util.PureJavaCrc32C > 15/01/23 11:53:18 INFO Configuration.deprecation: fs.default.name is > deprecated. Instead, use fs.defaultFS > Scanning -> > /user/biadmin/CUMMINS_INSITE_V1/7106432d294dd844be15996ccbf2ba84/attributes/f1a7e3113c2c4047ac1fc8fbcb41d8b7 > WARNING, previous row is greater then current row > filename -> > /user/biadmin/CUMMINS_INSITE_V1/7106432d294dd844be15996ccbf2ba84/attributes/f1a7e3113c2c4047ac1fc8fbcb41d8b7 > previous -> > \x00/20110203-094231205-79442793-1410161293068203000\x0Aattributes16794406\x00\x00\x01\x00\x00\x00\x00\x00\x00 > current -> > Exception in thread "main" java.nio.BufferUnderflowException > at java.nio.Buffer.nextGetIndex(Buffer.java:489) > at java.nio.HeapByteBuffer.getInt(HeapByteBuffer.java:347) > at > org.apache.hadoop.hbase.io.hfile.HFileReaderV2$ScannerV2.readKeyValueLen(HFileReaderV2.java:856) > at > org.apache.hadoop.hbase.io.hfile.HFileReaderV2$ScannerV2.next(HFileReaderV2.java:768) > at > org.apache.hadoop.hbase.io.hfile.HFilePrettyPrinter.scanKeysValues(HFilePrettyPrinter.java:362) > at > org.apache.hadoop.hbase.io.hfile.HFilePrettyPrinter.processFile(HFilePrettyPrinter.java:262) > at > org.apache.hadoop.hbase.io.hfile.HFilePrettyPrinter.run(HFilePrettyPrinter.java:220) > at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70) > at > org.apache.hadoop.hbase.io.hfile.HFilePrettyPrinter.main(HFilePrettyPrinter.java:539) > at org.apache.hadoop.hbase.io.hfile.HFile.main(HFile.java:802) > {noformat} > Turning on Java Assert shows the following: > {noformat} > Exception in thread "main" java.lang.AssertionError: Key > 20110203-094231205-79442793-1410161293068203000/attributes:16794406/1099511627776/Minimum/vlen=15/mvcc=0 > followed by a smaller key //0/Minimum/vlen=0/mvcc=0 in cf attributes > at > org.apache.hadoop.hbase.regionserver.StoreScanner.checkScanOrder(StoreScanner.java:672) > {noformat} > It shows that the hfile seems to be corrupted -- the keys don't seem to be > right. > But Scanner is not able to give a meaningful error, but stuck in an infinite > loop in here: > {code} > KeyValueHeap.generalizedSeek() > while ((scanner = heap.poll()) != null) { > } > {code} -- This message was sent by Atlassian JIRA (v6.3.4#6332)