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From Mike Matrigali <mikem_...@sbcglobal.net>
Subject Re: Derby crash (urgent)
Date Thu, 27 Mar 2008 16:45:34 GMT
If you can narrow down to a specific table, then giving the ddl of that
table may help.  Also if you are familar with the data that is supposed
to be in that table could you comment on if the hex dump looks sort of
valid?  If you look at the right hand side of the hex dump it just
prints the ascii of whatever characters are there - at the level it is
dumping it does not really know the datatype.  But that dump looks
really bad as the end of the page should have a backward growing list of
basically pointers into the data portion of the page which grows
forward, but it looks like there is ascii all the way to the end of the
page.

Is the target device of the database something normal like and ide or
scsi disk, or something else like network, flash, ...

As stan mentions any info you can provide about version, jvm, os, and
hardware may lend clues.

Stanley Bradbury wrote:
>  -- top posting --
> Hi Bassel -
> It would help to have the information from SYSINFO (version, platform 
> and JVM).  Are you able to recover from this or is the database lost?
> 
> It sounds like you understand what is going on - database pages are either
>  1) not being written to disk properly  - OR -
>  2) are being corrupted  / deleted once they are written to disk
> Hence the files on disk are not in sync as evidenced by the checksums 
> are not matching what is expected.
> 
> The JVM, OS and underlying hardware handle the writes so I would start 
> by looking at your JVM, your I/O and storage systems.  Check the logs 
> for errors, etc.
> I am aware of an intermittent 'Invalid Checksum' failure that stopped 
> happening after upgrading from an initial release of a JVM to the 
> current release/update of the JVM.  If possible, test with an alternate 
> JVM to see if the problem happens when using JVMs from multiple vendors.
> 
> Once these possibilities are eliminated look at the application and 
> runtime environment.  Could you be double booting the database?  In most 
> cases Derby prevents double booting but on some OSs and older JVMs it 
> could still be a problem.  It is possible to double boot Derby within a 
> single JVM by loading the Derby driver TWICE in different classloaders.  
> If you are using multiple classloaders be sure to check for this.
> 
> Lastly be sure you are using regular (not-buffered) I/O to a disk that 
> is physically connected to the machine.  I/O to network mounted disks is 
> not reliable.
> 
> This is all I can think of at the moment.  Good luck with chasing this 
> down.  Please post what you find so others can benefit from your findings.
> 
> Bassel Kh wrote:
>>
>> Hi,
>>
>>  
>>
>> We have a critical issue with derby (version: *10.3.2*) which we use 
>> in embedded mode in our application. Several times (not to say most of 
>> the times), a restart of the application, especially when some 
>> transactions are going on, the database gets corrupted (invalid 
>> checksum exception). After reading many posts about eventual problems 
>> in derby, we found problems that look like ours (for instance: 
>> http://www.mail-archive.com/derby-dev@db.apache.org/msg46177.html), 
>> but no clear-cut that the problem has been solved. It is to be noted 
>> that we do a graceful shutdown when closing the application and the 
>> logs show successful executions.
>>
>> It also looks like only some tables in the database have the problem 
>> since some modules keep running correctly, but there are no conditions 
>> or symptoms prior to the error, it happens at random (we carried on 
>> several tests with different modules on different databases).
>>
>> Do you have any solution or suggestions to this problem? We have a 
>> customer release going on and we would appreciate if you could reply 
>> as soon as possible.
>>
>>  
>>
>> Please find below the exception we are getting:
>>
>>  
>>
>> Caused by: java.sql.SQLException: Invalid checksum on Page 
>> Page(0,Container(0, 1568)), expected=2,264,079,051, on-disk 
>> version=6,651,942,472,428,708,205, page dump follows: Hex dump:
>> 00000000: 0076 0000 0001 0000 0000 0000 0002 0000  .v..............
>> 00000010: 0000 0006 0000 0000 0000 0000 0000 0000  ................
>> 00000020: 0000 0000 0001 0000 0000 0000 0000 0000  ................
>> 00000030: 0000 0000 0000 0000 0000 0000 ffff ffff  ................
>> 00000040: ffff ffff 0000 0000 0000 0000 0000 0000  ................
>> 00000050: 0000 0000 0000 0000 0000 0000 0000 0000  ................
>> 00000060: 0000 0000 0000 0000 0000 0000 5000 0000  ............P...
>> 00000070: 0000 0000 0000 0000 0000 0000 0000 0000  ................
>> 00000080: 0000 0000 0000 0000 0000 0000 0000 0000  ................
>> 00000090: 0000 0000 0000 0000 0000 0000 0000 0000  ................
>> 000000a0: 0000 0000 0000 0000 0000 0000 0000 0000  ................
>> 000000b0: 0000 0000 0000 0000 0000 0000 0000 0000  ................
>> 000000c0: 0000 0010 0000 0000 0000 0000 2a73 7973  .............sys
>> 000000d0: 2d70 6163 6b61 6765 2d6d 6772 2a3a 2070  .package.mgr...p
>> 000000e0: 726f 6365 7373 696e 6720 6e65 7720 6a61  rocessing.new.ja
>> 000000f0: 722c 2027 433a 5c50 726f 6772 616d 2046  r...C..Program.F
>> 00000100: 696c 6573 5c53 7068 6572 6520 4e65 7477  iles.Sphere.Netw
>> 00000110: 6f72 6b73 5c41 7265 6e61 2050 6c61 7466  orks.Arena.Platf
>> 00000120: 6f72 6d5c 706c 7567 696e 735c 6165 2e73  orm.plugins.ae.s
>> 00000130: 7068 6572 652e 6172 656e 612e 6e65 7477  phere.arena.netw
>> 00000140: 6f72 6b4d 616e 6167 6572 2e63 6f6d 6d6f  orkManager.commo
>> 00000150: 6e5f 322e 322e 315c 636f 6d6d 6f6e 2e6a  n.2.2.1.common.j
>> 00000160: 6172 270d 0a2a 7379 732d 7061 636b 6167  ar....sys.packag
>> 00000170: 652d 6d67 722a 3a20 7072 6f63 6573 7369  e.mgr...processi
>> 00000180: 6e67 206e 6577 206a 6172 2c20 2743 3a5c  ng.new.jar...C..
>> 00000190: 5072 6f67 7261 6d20 4669 6c65 735c 5370  Program.Files.Sp
>> 000001a0: 6865 7265 204e 6574 776f 726b 735c 4172  here.Networks.Ar
>> 000001b0: 656e 6120 506c 6174 666f 726d 5c70 6c75  ena.Platform.plu
>> 000001c0: 6769 6e73 5c61 652e 7370 6865 7265 2e61  gins.ae.sphere.a
>> 000001d0: 7265 6e61 2e73 6572 7665 722e 6576 656e  rena.server.even
>> 000001e0: 744d 616e 6167 6572 5f32 2e32 2e31 5c65  tManager.2.2.1.e
>> 000001f0: 7665 6e74 4d61 6e61 6765 722e 6a61 7227  ventManager.jar.
>> 00000200: 0d0a 2a73 7973 2d70 6163 6b61 6765 2d6d  ...sys.package.m
>> 00000210: 6772 2a3a 2070 726f 6365 7373 696e 6720  gr...processing.
>> 00000220: 6e65 7720 6a61 722c 2027 433a 5c50 726f  new.jar...C..Pro
>> 00000230: 6772 616d 2046 696c 6573 5c53 7068 6572  gram.Files.Spher
>> 00000240: 6520 4e65 7477 6f72 6b73 5c41 7265 6e61  e.Networks.Arena
>> 00000250: 2050 6c61 7466 6f72 6d5c 706c 7567 696e  .Platform.plugin
>> 00000260: 735c 6165 2e73 7068 6572 652e 6172 656e  s.ae.sphere.aren
>> 00000270: 612e 7365 7276 6572 2e65 7665 6e74 4d61  a.server.eventMa
>> 00000280: 6e61 6765 725f 322e 322e 315c 6c69 625c  nager.2.2.1.lib.
>> 00000290: 6163 7469 7661 7469 6f6e 2e6a 6172 270d  activation.jar..
>> 000002a0: 0a2a 7379 732d 7061 636b 6167 652d 6d67  ..sys.package.mg
>> 000002b0: 722a 3a20 7072 6f63 6573 7369 6e67 206e  r...processing.n
>> 000002c0: 6577 206a 6172 2c20 2743 3a5c 5072 6f67  ew.jar...C..Prog
>> 000002d0: 7261 6d20 4669 6c65 735c 5370 6865 7265  ram.Files.Sphere
>> 000002e0: 204e 6574 776f 726b 735c 4172 656e 6120  .Networks.Arena.
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>> 00000330: 616b 6172 7461 2d72 6567 6578 702d 312e  akarta.regexp.1.
>> 00000340: 322e 6a61 7227 0d0a 2a73 7973 2d70 6163  2.jar....sys.pac
>> 00000350: 6b61 6765 2d6d 6772 2a3a 2070 726f 6365  kage.mgr...proce
>> 00000360: 7373 696e 6720 6e65 7720 6a61 722c 2027  ssing.new.jar...
>> 00000370: 433a 5c50 726f 6772 616d 2046 696c 6573  C..Program.Files
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>> 000003d0: 315c 6c69 625c 4a43 7570 2e6a 6172 270d  1.lib.JCup.jar..
>> 000003e0: 0a2a 7379 732d 7061 636b 6167 652d 6d67  ..sys.package.mg
>> 000003f0: 722a 3a20 7072 6f63 6573 7369 6e67 206e  r...processing.n
>> 00000400: 6577 206a 6172 2c20 2743 3a5c 5072 6f67  ew.jar...C..Prog
>> 00000410: 7261 6d20 4669 6c65 735c 5370 6865 7265  ram.Files.Sphere
>> 00000420: 204e 6574 776f 726b 735c 4172 656e 6120  .Networks.Arena.
>> 00000430: 506c 6174 666f 726d 5c70 6c75 6769 6e73  Platform.plugins
>> 00000440: 5c61 652e 7370 6865 7265 2e61 7265 6e61  .ae.sphere.arena
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>> 00000480: 0a2a 7379 732d 7061 636b 6167 652d 6d67  ..sys.package.mg
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>> 000004b0: 7261 6d20 4669 6c65 735c 5370 6865 7265  ram.Files.Sphere
>> 000004c0: 204e 6574 776f 726b 735c 4172 656e 6120  .Networks.Arena.
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>> 00000c80: 6f67 7261 6d20 4669 6c65 735c 5370 6865  ogram.Files.Sphe
>> 00000c90: 7265 204e 6574 776f 726b 735c 4172 656e  re.Networks.Aren
>> 00000ca0: 6120 506c 6174 666f 726d 5c70 6c75 6769  a.Platform.plugi
>> 00000cb0: 6e73 5c61 652e 7370 6865 7265 2e61 7265  ns.ae.sphere.are
>> 00000cc0: 6e61 2e6c 6f67 5f32 2e32 2e31 5c6c 6962  na.log.2.2.1.lib
>> 00000cd0: 5c63 6f6d 6d6f 6e73 2d6c 6f67 6769 6e67  .commons.logging
>> 00000ce0: 2d31 2e30 2e34 2e6a 6172 270d 0a2a 7379  .1.0.4.jar....sy
>> 00000cf0: 732d 7061 636b 6167 652d 6d67 722a 3a20  s.package.mgr...
>> 00000d00: 7072 6f63 6573 7369 6e67 206e 6577 206a  processing.new.j
>> 00000d10: 6172 2c20 2743 3a5c 5072 6f67 7261 6d20  ar...C..Program.
>> 00000d20: 4669 6c65 735c 5370 6865 7265 204e 6574  Files.Sphere.Net
>> 00000d30: 776f 726b 735c 4172 656e 6120 506c 6174  works.Arena.Plat
>> 00000d40: 666f 726d 5c70 6c75 6769 6e73 5c61 652e  form.plugins.ae.
>> 00000d50: 7370 6865 7265 2e61 7265 6e61 2e6c 6f67  sphere.arena.log
>> 00000d60: 5f32 2e32 2e31 5c6c 6962 5c6c 6f67 346a  .2.2.1.lib.log4j
>> 00000d70: 2d31 2e32 2e31 322e 6a61 7227 0d0a 2a73  .1.2.12.jar....s
>> 00000d80: 7973 2d70 6163 6b61 6765 2d6d 6772 2a3a  ys.package.mgr..
>> 00000d90: 2070 726f 6365 7373 696e 6720 6e65 7720  .processing.new.
>> 00000da0: 6a61 722c 2027 433a 5c50 726f 6772 616d  jar...C..Program
>> 00000db0: 2046 696c 6573 5c53 7068 6572 6520 4e65  .Files.Sphere.Ne
>> 00000dc0: 7477 6f72 6b73 5c41 7265 6e61 2050 6c61  tworks.Arena.Pla
>> 00000dd0: 7466 6f72 6d5c 706c 7567 696e 735c 6165  tform.plugins.ae
>> 00000de0: 2e73 7068 6572 652e 6172 656e 612e 6e65  .sphere.arena.ne
>> 00000df0: 7477 6f72 6b4d 616e 6167 6572 2e64 6973  tworkManager.dis
>> 00000e00: 636f 7665 7279 5f32 2e33 2e30 5c64 6973  covery.2.3.0.dis
>> 00000e10: 636f 7665 7279 2e6a 6172 270d 0a2a 7379  covery.jar....sy
>> 00000e20: 732d 7061 636b 6167 652d 6d67 722a 3a20  s.package.mgr...
>> 00000e30: 7072 6f63 6573 7369 6e67 206e 6577 206a  processing.new.j
>> 00000e40: 6172 2c20 2743 3a5c 5072 6f67 7261 6d20  ar...C..Program.
>> 00000e50: 4669 6c65 735c 5370 6865 7265 204e 6574  Files.Sphere.Net
>> 00000e60: 776f 726b 735c 4172 656e 6120 506c 6174  works.Arena.Plat
>> 00000e70: 666f 726d 5c70 6c75 6769 6e73 5c61 652e  form.plugins.ae.
>> 00000e80: 7370 6865 7265 2e61 7265 6e61 2e73 6572  sphere.arena.ser
>> 00000e90: 7665 725f 322e 322e 315c 6172 656e 6153  ver.2.2.1.arenaS
>> 00000ea0: 6572 7665 722e 6a61 7227 0d0a 2a73 7973  erver.jar....sys
>> 00000eb0: 2d70 6163 6b61 6765 2d6d 6772 2a3a 2070  .package.mgr...p
>> 00000ec0: 726f 6365 7373 696e 6720 6e65 7720 6a61  rocessing.new.ja
>> 00000ed0: 722c 2027 433a 5c50 726f 6772 616d 2046  r...C..Program.F
>> 00000ee0: 696c 6573 5c53 7068 6572 6520 4e65 7477  iles.Sphere.Netw
>> 00000ef0: 6f72 6b73 5c41 7265 6e61 2050 6c61 7466  orks.Arena.Platf
>> 00000f00: 6f72 6d5c 706c 7567 696e 735c 6165 2e73  orm.plugins.ae.s
>> 00000f10: 7068 6572 652e 6172 656e 612e 636f 6d6d  phere.arena.comm
>> 00000f20: 6f6e 5f32 2e32 2e31 5c63 6f6d 6d6f 6e2e  on.2.2.1.common.
>> 00000f30: 6a61 7227 0d0a 2a73 7973 2d70 6163 6b61  jar....sys.packa
>> 00000f40: 6765 2d6d 6772 2a3a 2070 726f 6365 7373  ge.mgr...process
>> 00000f50: 696e 6720 6e65 7720 6a61 722c 2027 433a  ing.new.jar...C.
>> 00000f60: 5c50 726f 6772 616d 2046 696c 6573 5c53  .Program.Files.S
>> 00000f70: 7068 6572 6520 4e65 7477 6f72 6b73 5c41  phere.Networks.A
>> 00000f80: 7265 6e61 2050 6c61 7466 6f72 6d5c 706c  rena.Platform.pl
>> 00000f90: 7567 696e 735c 6165 2e73 7068 6572 652e  ugins.ae.sphere.
>> 00000fa0: 6172 656e 612e 636f 6d6d 6f6e 5f32 2e32  arena.common.2.2
>> 00000fb0: 2e31 5c6c 6962 5c63 6f6d 6d6f 6e73 2d6c  .1.lib.commons.l
>> 00000fc0: 616e 672d 322e 332e 6a61 7227 0d0a 2a73  ang.2.3.jar....s
>> 00000fd0: 7973 2d70 6163 6b61 6765 2d6d 6772 2a3a  ys.package.mgr..
>> 00000fe0: 2070 726f 6365 7373 696e 6720 6e65 7720  .processing.new.
>> 00000ff0: 6a61 722c 2027 433a 5c50 726f 6772 616d  jar...C..Program
>>  
>>             at 
>> org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(Unknown 
>> Source)
>>             at 
>> org.apache.derby.impl.jdbc.Util.generateCsSQLException(Unknown Source)
>>             at 
>> org.apache.derby.impl.jdbc.TransactionResourceImpl.wrapInSQLException(Unknown 
>> Source)
>>             at 
>> org.apache.derby.impl.jdbc.TransactionResourceImpl.handleException(Unknown 
>> Source)
>>             at 
>> org.apache.derby.impl.jdbc.EmbedConnection.handleException(Unknown 
>> Source)
>>             at 
>> org.apache.derby.impl.jdbc.ConnectionChild.handleException(Unknown 
>> Source)
>>             at 
>> org.apache.derby.impl.jdbc.EmbedPreparedStatement.<init>(Unknown Source)
>>             at 
>> org.apache.derby.impl.jdbc.EmbedPreparedStatement20.<init>(Unknown 
>> Source)
>>             at 
>> org.apache.derby.impl.jdbc.EmbedPreparedStatement30.<init>(Unknown 
>> Source)
>>             at 
>> org.apache.derby.jdbc.Driver30.newEmbedPreparedStatement(Unknown Source)
>>             at 
>> org.apache.derby.impl.jdbc.EmbedConnection.prepareStatement(Unknown 
>> Source)
>>             at 
>> org.apache.derby.impl.jdbc.EmbedConnection.prepareStatement(Unknown 
>> Source)
>>             at sun.reflect.GeneratedMethodAccessor25.invoke(Unknown 
>> Source)
>>             at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown 
>> Source)
>>             at java.lang.reflect.Method.invoke(Unknown Source)
>>             at 
>> com.mchange.v2.c3p0.stmt.GooGooStatementCache$1StmtAcquireTask.run(GooGooStatementCache.java:525)

>>
>>             at 
>> com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:547)

>>
>>
>>  
>>
>>  
>>
>> Thanks,
>>
>>  
>>
>> Bassel
>>
> 
> 
> 



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