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Posted to issues@hbase.apache.org by "chunhui shen (JIRA)" <ji...@apache.org> on 2012/11/09 03:42:11 UTC
[jira] [Created] (HBASE-7135) Serializing hfileBlcok is incorrect
for SlabCache
chunhui shen created HBASE-7135:
-----------------------------------
Summary: Serializing hfileBlcok is incorrect for SlabCache
Key: HBASE-7135
URL: https://issues.apache.org/jira/browse/HBASE-7135
Project: HBase
Issue Type: Bug
Affects Versions: 0.94.2
Reporter: chunhui shen
Assignee: chunhui shen
Fix For: 0.96.0
2012-11-07 08:35:36,082 ERROR org.apache.hadoop.hbase.io.hfile.slab.SingleSizeCache: Deserializer threw an exception. This may indicate a bug.
java.io.IOException: Invalid HFile block magic: \x00\x00\x00\x00\x00\x00\x00\x00
at org.apache.hadoop.hbase.io.hfile.BlockType.parse(BlockType.java:153)
at org.apache.hadoop.hbase.io.hfile.BlockType.read(BlockType.java:164)
at org.apache.hadoop.hbase.io.hfile.HFileBlock.<init>(HFileBlock.java:254)
at org.apache.hadoop.hbase.io.hfile.HFileBlock$1.deserialize(HFileBlock.java:148)
at org.apache.hadoop.hbase.io.hfile.HFileBlock$1.deserialize(HFileBlock.java:140)
at org.apache.hadoop.hbase.io.hfile.slab.SingleSizeCache.getBlock(SingleSizeCache.java:166)
at org.apache.hadoop.hbase.io.hfile.slab.SlabCache.getBlock(SlabCache.java:245)
at org.apache.hadoop.hbase.io.hfile.DoubleBlockCache.getBlock(DoubleBlockCache.java:100)
at org.apache.hadoop.hbase.io.hfile.HFileReaderV2.getBlockFromCache(HFileReaderV2.java:267)
at org.apache.hadoop.hbase.io.hfile.HFileReaderV2.readBlock(HFileReaderV2.java:349)
at org.apache.hadoop.hbase.io.hfile.HFileBlockIndex$BlockIndexReader.loadDataBlockWithScanInfo(HFileBlockIndex.java:257)
at org.apache.hadoop.hbase.io.hfile.HFileReaderV2$AbstractScannerV2.seekTo(HFileReaderV2.java:498)
at org.apache.hadoop.hbase.io.hfile.HFileReaderV2$AbstractScannerV2.seekTo(HFileReaderV2.java:522)
at org.apache.hadoop.hbase.regionserver.StoreFileScanner.seekAtOrAfter(StoreFileScanner.java:226)
at org.apache.hadoop.hbase.regionserver.StoreFileScanner.seek(StoreFileScanner.java:145)
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[jira] [Updated] (HBASE-7135) Serializing hfileBlcok is incorrect
for SlabCache
Posted by "chunhui shen (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-7135?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
chunhui shen updated HBASE-7135:
--------------------------------
Attachment: HBASE-7135.patch
Rewind the duplicate buffer before put to destination
> Serializing hfileBlcok is incorrect for SlabCache
> -------------------------------------------------
>
> Key: HBASE-7135
> URL: https://issues.apache.org/jira/browse/HBASE-7135
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.94.2
> Reporter: chunhui shen
> Assignee: chunhui shen
> Fix For: 0.96.0
>
> Attachments: HBASE-7135.patch
>
>
> 2012-11-07 08:35:36,082 ERROR org.apache.hadoop.hbase.io.hfile.slab.SingleSizeCache: Deserializer threw an exception. This may indicate a bug.
> java.io.IOException: Invalid HFile block magic: \x00\x00\x00\x00\x00\x00\x00\x00
> at org.apache.hadoop.hbase.io.hfile.BlockType.parse(BlockType.java:153)
> at org.apache.hadoop.hbase.io.hfile.BlockType.read(BlockType.java:164)
> at org.apache.hadoop.hbase.io.hfile.HFileBlock.<init>(HFileBlock.java:254)
> at org.apache.hadoop.hbase.io.hfile.HFileBlock$1.deserialize(HFileBlock.java:148)
> at org.apache.hadoop.hbase.io.hfile.HFileBlock$1.deserialize(HFileBlock.java:140)
> at org.apache.hadoop.hbase.io.hfile.slab.SingleSizeCache.getBlock(SingleSizeCache.java:166)
> at org.apache.hadoop.hbase.io.hfile.slab.SlabCache.getBlock(SlabCache.java:245)
> at org.apache.hadoop.hbase.io.hfile.DoubleBlockCache.getBlock(DoubleBlockCache.java:100)
> at org.apache.hadoop.hbase.io.hfile.HFileReaderV2.getBlockFromCache(HFileReaderV2.java:267)
> at org.apache.hadoop.hbase.io.hfile.HFileReaderV2.readBlock(HFileReaderV2.java:349)
> at org.apache.hadoop.hbase.io.hfile.HFileBlockIndex$BlockIndexReader.loadDataBlockWithScanInfo(HFileBlockIndex.java:257)
> at org.apache.hadoop.hbase.io.hfile.HFileReaderV2$AbstractScannerV2.seekTo(HFileReaderV2.java:498)
> at org.apache.hadoop.hbase.io.hfile.HFileReaderV2$AbstractScannerV2.seekTo(HFileReaderV2.java:522)
> at org.apache.hadoop.hbase.regionserver.StoreFileScanner.seekAtOrAfter(StoreFileScanner.java:226)
> at org.apache.hadoop.hbase.regionserver.StoreFileScanner.seek(StoreFileScanner.java:145)
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[jira] [Updated] (HBASE-7135) Serializing hfileBlcok is incorrect
for SlabCache
Posted by "Ted Yu (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-7135?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ted Yu updated HBASE-7135:
--------------------------
Status: Patch Available (was: Open)
> Serializing hfileBlcok is incorrect for SlabCache
> -------------------------------------------------
>
> Key: HBASE-7135
> URL: https://issues.apache.org/jira/browse/HBASE-7135
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.94.2
> Reporter: chunhui shen
> Assignee: chunhui shen
> Fix For: 0.96.0
>
> Attachments: HBASE-7135.patch, HBASE-7135v2.patch
>
>
> 2012-11-07 08:35:36,082 ERROR org.apache.hadoop.hbase.io.hfile.slab.SingleSizeCache: Deserializer threw an exception. This may indicate a bug.
> java.io.IOException: Invalid HFile block magic: \x00\x00\x00\x00\x00\x00\x00\x00
> at org.apache.hadoop.hbase.io.hfile.BlockType.parse(BlockType.java:153)
> at org.apache.hadoop.hbase.io.hfile.BlockType.read(BlockType.java:164)
> at org.apache.hadoop.hbase.io.hfile.HFileBlock.<init>(HFileBlock.java:254)
> at org.apache.hadoop.hbase.io.hfile.HFileBlock$1.deserialize(HFileBlock.java:148)
> at org.apache.hadoop.hbase.io.hfile.HFileBlock$1.deserialize(HFileBlock.java:140)
> at org.apache.hadoop.hbase.io.hfile.slab.SingleSizeCache.getBlock(SingleSizeCache.java:166)
> at org.apache.hadoop.hbase.io.hfile.slab.SlabCache.getBlock(SlabCache.java:245)
> at org.apache.hadoop.hbase.io.hfile.DoubleBlockCache.getBlock(DoubleBlockCache.java:100)
> at org.apache.hadoop.hbase.io.hfile.HFileReaderV2.getBlockFromCache(HFileReaderV2.java:267)
> at org.apache.hadoop.hbase.io.hfile.HFileReaderV2.readBlock(HFileReaderV2.java:349)
> at org.apache.hadoop.hbase.io.hfile.HFileBlockIndex$BlockIndexReader.loadDataBlockWithScanInfo(HFileBlockIndex.java:257)
> at org.apache.hadoop.hbase.io.hfile.HFileReaderV2$AbstractScannerV2.seekTo(HFileReaderV2.java:498)
> at org.apache.hadoop.hbase.io.hfile.HFileReaderV2$AbstractScannerV2.seekTo(HFileReaderV2.java:522)
> at org.apache.hadoop.hbase.regionserver.StoreFileScanner.seekAtOrAfter(StoreFileScanner.java:226)
> at org.apache.hadoop.hbase.regionserver.StoreFileScanner.seek(StoreFileScanner.java:145)
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[jira] [Commented] (HBASE-7135) Serializing hfileBlcok is incorrect
for SlabCache
Posted by "Ted Yu (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-7135?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13493747#comment-13493747 ]
Ted Yu commented on HBASE-7135:
-------------------------------
+1 on patch.
> Serializing hfileBlcok is incorrect for SlabCache
> -------------------------------------------------
>
> Key: HBASE-7135
> URL: https://issues.apache.org/jira/browse/HBASE-7135
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.94.2
> Reporter: chunhui shen
> Assignee: chunhui shen
> Fix For: 0.96.0
>
> Attachments: HBASE-7135.patch, HBASE-7135v2.patch
>
>
> 2012-11-07 08:35:36,082 ERROR org.apache.hadoop.hbase.io.hfile.slab.SingleSizeCache: Deserializer threw an exception. This may indicate a bug.
> java.io.IOException: Invalid HFile block magic: \x00\x00\x00\x00\x00\x00\x00\x00
> at org.apache.hadoop.hbase.io.hfile.BlockType.parse(BlockType.java:153)
> at org.apache.hadoop.hbase.io.hfile.BlockType.read(BlockType.java:164)
> at org.apache.hadoop.hbase.io.hfile.HFileBlock.<init>(HFileBlock.java:254)
> at org.apache.hadoop.hbase.io.hfile.HFileBlock$1.deserialize(HFileBlock.java:148)
> at org.apache.hadoop.hbase.io.hfile.HFileBlock$1.deserialize(HFileBlock.java:140)
> at org.apache.hadoop.hbase.io.hfile.slab.SingleSizeCache.getBlock(SingleSizeCache.java:166)
> at org.apache.hadoop.hbase.io.hfile.slab.SlabCache.getBlock(SlabCache.java:245)
> at org.apache.hadoop.hbase.io.hfile.DoubleBlockCache.getBlock(DoubleBlockCache.java:100)
> at org.apache.hadoop.hbase.io.hfile.HFileReaderV2.getBlockFromCache(HFileReaderV2.java:267)
> at org.apache.hadoop.hbase.io.hfile.HFileReaderV2.readBlock(HFileReaderV2.java:349)
> at org.apache.hadoop.hbase.io.hfile.HFileBlockIndex$BlockIndexReader.loadDataBlockWithScanInfo(HFileBlockIndex.java:257)
> at org.apache.hadoop.hbase.io.hfile.HFileReaderV2$AbstractScannerV2.seekTo(HFileReaderV2.java:498)
> at org.apache.hadoop.hbase.io.hfile.HFileReaderV2$AbstractScannerV2.seekTo(HFileReaderV2.java:522)
> at org.apache.hadoop.hbase.regionserver.StoreFileScanner.seekAtOrAfter(StoreFileScanner.java:226)
> at org.apache.hadoop.hbase.regionserver.StoreFileScanner.seek(StoreFileScanner.java:145)
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[jira] [Updated] (HBASE-7135) Serializing hfileBlcok is incorrect
for SlabCache
Posted by "chunhui shen (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-7135?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
chunhui shen updated HBASE-7135:
--------------------------------
Attachment: HBASE-7135v2.patch
Shouldn't use MINOR_VERSION_NO_CHECKSUM as default when deserialize
> Serializing hfileBlcok is incorrect for SlabCache
> -------------------------------------------------
>
> Key: HBASE-7135
> URL: https://issues.apache.org/jira/browse/HBASE-7135
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.94.2
> Reporter: chunhui shen
> Assignee: chunhui shen
> Fix For: 0.96.0
>
> Attachments: HBASE-7135.patch, HBASE-7135v2.patch
>
>
> 2012-11-07 08:35:36,082 ERROR org.apache.hadoop.hbase.io.hfile.slab.SingleSizeCache: Deserializer threw an exception. This may indicate a bug.
> java.io.IOException: Invalid HFile block magic: \x00\x00\x00\x00\x00\x00\x00\x00
> at org.apache.hadoop.hbase.io.hfile.BlockType.parse(BlockType.java:153)
> at org.apache.hadoop.hbase.io.hfile.BlockType.read(BlockType.java:164)
> at org.apache.hadoop.hbase.io.hfile.HFileBlock.<init>(HFileBlock.java:254)
> at org.apache.hadoop.hbase.io.hfile.HFileBlock$1.deserialize(HFileBlock.java:148)
> at org.apache.hadoop.hbase.io.hfile.HFileBlock$1.deserialize(HFileBlock.java:140)
> at org.apache.hadoop.hbase.io.hfile.slab.SingleSizeCache.getBlock(SingleSizeCache.java:166)
> at org.apache.hadoop.hbase.io.hfile.slab.SlabCache.getBlock(SlabCache.java:245)
> at org.apache.hadoop.hbase.io.hfile.DoubleBlockCache.getBlock(DoubleBlockCache.java:100)
> at org.apache.hadoop.hbase.io.hfile.HFileReaderV2.getBlockFromCache(HFileReaderV2.java:267)
> at org.apache.hadoop.hbase.io.hfile.HFileReaderV2.readBlock(HFileReaderV2.java:349)
> at org.apache.hadoop.hbase.io.hfile.HFileBlockIndex$BlockIndexReader.loadDataBlockWithScanInfo(HFileBlockIndex.java:257)
> at org.apache.hadoop.hbase.io.hfile.HFileReaderV2$AbstractScannerV2.seekTo(HFileReaderV2.java:498)
> at org.apache.hadoop.hbase.io.hfile.HFileReaderV2$AbstractScannerV2.seekTo(HFileReaderV2.java:522)
> at org.apache.hadoop.hbase.regionserver.StoreFileScanner.seekAtOrAfter(StoreFileScanner.java:226)
> at org.apache.hadoop.hbase.regionserver.StoreFileScanner.seek(StoreFileScanner.java:145)
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[jira] [Commented] (HBASE-7135) Serializing hfileBlcok is incorrect
for SlabCache
Posted by "ramkrishna.s.vasudevan (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-7135?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13498173#comment-13498173 ]
ramkrishna.s.vasudevan commented on HBASE-7135:
-----------------------------------------------
I understand the patch a bit.
So previously the minorVersion was never persisted. Now we are persisting it and retrieving it incase the version denotes to use Checksum or not?
So while deserialzing based on the minorVersion retrieved checksum usage can be determined. Can someone else too review this who is more familiar with hfileblock part?
> Serializing hfileBlcok is incorrect for SlabCache
> -------------------------------------------------
>
> Key: HBASE-7135
> URL: https://issues.apache.org/jira/browse/HBASE-7135
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.94.2
> Reporter: chunhui shen
> Assignee: chunhui shen
> Fix For: 0.96.0
>
> Attachments: HBASE-7135.patch, HBASE-7135v2.patch
>
>
> 2012-11-07 08:35:36,082 ERROR org.apache.hadoop.hbase.io.hfile.slab.SingleSizeCache: Deserializer threw an exception. This may indicate a bug.
> java.io.IOException: Invalid HFile block magic: \x00\x00\x00\x00\x00\x00\x00\x00
> at org.apache.hadoop.hbase.io.hfile.BlockType.parse(BlockType.java:153)
> at org.apache.hadoop.hbase.io.hfile.BlockType.read(BlockType.java:164)
> at org.apache.hadoop.hbase.io.hfile.HFileBlock.<init>(HFileBlock.java:254)
> at org.apache.hadoop.hbase.io.hfile.HFileBlock$1.deserialize(HFileBlock.java:148)
> at org.apache.hadoop.hbase.io.hfile.HFileBlock$1.deserialize(HFileBlock.java:140)
> at org.apache.hadoop.hbase.io.hfile.slab.SingleSizeCache.getBlock(SingleSizeCache.java:166)
> at org.apache.hadoop.hbase.io.hfile.slab.SlabCache.getBlock(SlabCache.java:245)
> at org.apache.hadoop.hbase.io.hfile.DoubleBlockCache.getBlock(DoubleBlockCache.java:100)
> at org.apache.hadoop.hbase.io.hfile.HFileReaderV2.getBlockFromCache(HFileReaderV2.java:267)
> at org.apache.hadoop.hbase.io.hfile.HFileReaderV2.readBlock(HFileReaderV2.java:349)
> at org.apache.hadoop.hbase.io.hfile.HFileBlockIndex$BlockIndexReader.loadDataBlockWithScanInfo(HFileBlockIndex.java:257)
> at org.apache.hadoop.hbase.io.hfile.HFileReaderV2$AbstractScannerV2.seekTo(HFileReaderV2.java:498)
> at org.apache.hadoop.hbase.io.hfile.HFileReaderV2$AbstractScannerV2.seekTo(HFileReaderV2.java:522)
> at org.apache.hadoop.hbase.regionserver.StoreFileScanner.seekAtOrAfter(StoreFileScanner.java:226)
> at org.apache.hadoop.hbase.regionserver.StoreFileScanner.seek(StoreFileScanner.java:145)
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[jira] [Commented] (HBASE-7135) Serializing hfileBlcok is incorrect
for SlabCache
Posted by "ramkrishna.s.vasudevan (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-7135?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13493761#comment-13493761 ]
ramkrishna.s.vasudevan commented on HBASE-7135:
-----------------------------------------------
@Chunhui
HBASE-6048 can you check? Is it also because of some similar reason? Just saying... if not related never mind.
> Serializing hfileBlcok is incorrect for SlabCache
> -------------------------------------------------
>
> Key: HBASE-7135
> URL: https://issues.apache.org/jira/browse/HBASE-7135
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.94.2
> Reporter: chunhui shen
> Assignee: chunhui shen
> Fix For: 0.96.0
>
> Attachments: HBASE-7135.patch, HBASE-7135v2.patch
>
>
> 2012-11-07 08:35:36,082 ERROR org.apache.hadoop.hbase.io.hfile.slab.SingleSizeCache: Deserializer threw an exception. This may indicate a bug.
> java.io.IOException: Invalid HFile block magic: \x00\x00\x00\x00\x00\x00\x00\x00
> at org.apache.hadoop.hbase.io.hfile.BlockType.parse(BlockType.java:153)
> at org.apache.hadoop.hbase.io.hfile.BlockType.read(BlockType.java:164)
> at org.apache.hadoop.hbase.io.hfile.HFileBlock.<init>(HFileBlock.java:254)
> at org.apache.hadoop.hbase.io.hfile.HFileBlock$1.deserialize(HFileBlock.java:148)
> at org.apache.hadoop.hbase.io.hfile.HFileBlock$1.deserialize(HFileBlock.java:140)
> at org.apache.hadoop.hbase.io.hfile.slab.SingleSizeCache.getBlock(SingleSizeCache.java:166)
> at org.apache.hadoop.hbase.io.hfile.slab.SlabCache.getBlock(SlabCache.java:245)
> at org.apache.hadoop.hbase.io.hfile.DoubleBlockCache.getBlock(DoubleBlockCache.java:100)
> at org.apache.hadoop.hbase.io.hfile.HFileReaderV2.getBlockFromCache(HFileReaderV2.java:267)
> at org.apache.hadoop.hbase.io.hfile.HFileReaderV2.readBlock(HFileReaderV2.java:349)
> at org.apache.hadoop.hbase.io.hfile.HFileBlockIndex$BlockIndexReader.loadDataBlockWithScanInfo(HFileBlockIndex.java:257)
> at org.apache.hadoop.hbase.io.hfile.HFileReaderV2$AbstractScannerV2.seekTo(HFileReaderV2.java:498)
> at org.apache.hadoop.hbase.io.hfile.HFileReaderV2$AbstractScannerV2.seekTo(HFileReaderV2.java:522)
> at org.apache.hadoop.hbase.regionserver.StoreFileScanner.seekAtOrAfter(StoreFileScanner.java:226)
> at org.apache.hadoop.hbase.regionserver.StoreFileScanner.seek(StoreFileScanner.java:145)
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[jira] [Commented] (HBASE-7135) Serializing hfileBlcok is incorrect
for SlabCache
Posted by "Hadoop QA (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-7135?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13493742#comment-13493742 ]
Hadoop QA commented on HBASE-7135:
----------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12552764/HBASE-7135v2.patch
against trunk revision .
{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 hadoop2.0{color}. The patch compiles against the hadoop 2.0 profile.
{color:red}-1 javadoc{color}. The javadoc tool appears to have generated 87 warning messages.
{color:green}+1 javac{color}. The applied patch does not increase the total number of javac compiler warnings.
{color:red}-1 findbugs{color}. The patch appears to introduce 16 new Findbugs (version 1.3.9) warnings.
{color:green}+1 release audit{color}. The applied patch does not increase the total number of release audit warnings.
{color:green}+1 core tests{color}. The patch passed unit tests in .
Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/3283//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/3283//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop2-compat.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/3283//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-examples.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/3283//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop1-compat.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/3283//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/3283//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/3283//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-server.html
Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/3283//console
This message is automatically generated.
> Serializing hfileBlcok is incorrect for SlabCache
> -------------------------------------------------
>
> Key: HBASE-7135
> URL: https://issues.apache.org/jira/browse/HBASE-7135
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.94.2
> Reporter: chunhui shen
> Assignee: chunhui shen
> Fix For: 0.96.0
>
> Attachments: HBASE-7135.patch, HBASE-7135v2.patch
>
>
> 2012-11-07 08:35:36,082 ERROR org.apache.hadoop.hbase.io.hfile.slab.SingleSizeCache: Deserializer threw an exception. This may indicate a bug.
> java.io.IOException: Invalid HFile block magic: \x00\x00\x00\x00\x00\x00\x00\x00
> at org.apache.hadoop.hbase.io.hfile.BlockType.parse(BlockType.java:153)
> at org.apache.hadoop.hbase.io.hfile.BlockType.read(BlockType.java:164)
> at org.apache.hadoop.hbase.io.hfile.HFileBlock.<init>(HFileBlock.java:254)
> at org.apache.hadoop.hbase.io.hfile.HFileBlock$1.deserialize(HFileBlock.java:148)
> at org.apache.hadoop.hbase.io.hfile.HFileBlock$1.deserialize(HFileBlock.java:140)
> at org.apache.hadoop.hbase.io.hfile.slab.SingleSizeCache.getBlock(SingleSizeCache.java:166)
> at org.apache.hadoop.hbase.io.hfile.slab.SlabCache.getBlock(SlabCache.java:245)
> at org.apache.hadoop.hbase.io.hfile.DoubleBlockCache.getBlock(DoubleBlockCache.java:100)
> at org.apache.hadoop.hbase.io.hfile.HFileReaderV2.getBlockFromCache(HFileReaderV2.java:267)
> at org.apache.hadoop.hbase.io.hfile.HFileReaderV2.readBlock(HFileReaderV2.java:349)
> at org.apache.hadoop.hbase.io.hfile.HFileBlockIndex$BlockIndexReader.loadDataBlockWithScanInfo(HFileBlockIndex.java:257)
> at org.apache.hadoop.hbase.io.hfile.HFileReaderV2$AbstractScannerV2.seekTo(HFileReaderV2.java:498)
> at org.apache.hadoop.hbase.io.hfile.HFileReaderV2$AbstractScannerV2.seekTo(HFileReaderV2.java:522)
> at org.apache.hadoop.hbase.regionserver.StoreFileScanner.seekAtOrAfter(StoreFileScanner.java:226)
> at org.apache.hadoop.hbase.regionserver.StoreFileScanner.seek(StoreFileScanner.java:145)
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