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From "Dag H. Wanvik (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DERBY-5234) Unable to insert data into table. Failed due be "ERROR XSDG0: Page Page(51919,Container(0, 1104)) could not be read from disk."
Date Mon, 23 May 2011 22:41:49 GMT

    [ https://issues.apache.org/jira/browse/DERBY-5234?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13038293#comment-13038293
] 

Dag H. Wanvik commented on DERBY-5234:
--------------------------------------

The dump of the data pages seem to indicate that the file has no pages from page 51919 onwards
(the last dumped is 515918 on c450.dat). The data dumped show that page 51917 has an extent
that coincides with the one we saw dumped:
Start/end:: 51918:62341. And page 51918 is indeed present and valid in the dump. But no further
pages are printed. Rick, does the tool continue printiing till it reaches EOF or does it stop
according some variable in the container stating how many pages are allocated? I am not very
familiar with this code at all, but doesn't the presence of the extent information on page
51917 indicated that pages from 51918:62341 should be allocated (e.g be not handled back to
the operating system after an inline compress with truncate end option[1])?

[1] http://db.apache.org/derby/docs/10.5/ref/rrefproceduresinplacecompress.html

Btw, Varma, does the app ever perform in-place compress?

> Unable to insert data into table. Failed due be "ERROR XSDG0: Page Page(51919,Container(0,
1104)) could not be read from disk."
> -------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: DERBY-5234
>                 URL: https://issues.apache.org/jira/browse/DERBY-5234
>             Project: Derby
>          Issue Type: Bug
>          Components: JDBC, Network Server, SQL
>    Affects Versions: 10.5.3.0
>         Environment: HP-UX 11iv2 in production environment with JDK1.6; Solaris 5/10
in test environment with JDK 1.6
>            Reporter: Varma R
>              Labels: ERROR, XSDG0, apache, corruption, data, derby
>         Attachments: DataFileReader_Output.zip
>
>
> One of the derby database table "gets corrupted"/"indicates connection not available"
during processing inserts from java client application as shown in the trace and the only
way to recover from this error is to rebuild the DB - by deleting the data and creating the
tables again. This happens once in a while (thrice in a span of two months) and the java application
(run in multiple servers), which updates the database, processes around 100 million transactions
per hour (in total and each transation results in 4-5 updates to the DB) 
> There are eight tables in the derby database.
>    TABLE NAME                           ROWS COUNT (at time of corruption)
> ---------------------------------------------------------------------------------
>    KPI.KPI_MERGEIN;                     362917
>    KPI.KPI_IN;                                 422508
>    KPI.KPI_DROPPED;                    53667
>    KPI.KPI_ERROR1;                       0
>    KPI.KPI_ERROR2;                       2686
>    KPI.KPI_ERRORMERGE;            0
>    KPI.KPI_MERGEOUT;                 362669
>    KPI.KPI_OUT;                             125873
> The derby database has been started with the following parameters 
> CMD="java -Dderby.system.home=$DERBY_OPTS -Dderby.locks.monitor=true -Dderby.locks.deadlockTrace=true
-Dderby.locks.escalationThreshold=50000 -Dderby.locks.waitTimeout=
> -1 -Dderby.storage.pageCacheSize=100000 -Xms512M -Xmx3072M -XX:NewSize=256M -classpath
$DERBY_CLASSPATH org.apache.derby.drda.NetworkServerControl start -h $KPIDERBYHOST -p $DERBY_KPI_PORT"
> The corrupted database tar (filesystem) in live environment was moved to a test system
(Solaris system) and few checks were run on the corrupted DB as part of analysis (DB does
start fine)
> While trying to insert a row in any table expect KPI.KPI_MERGEIN, it is successful. But
when a new row is inserted into KPI.KPI_MERGEIN table using command line tool it's throwing
below error message (the same message that appeared in live 
> ij> INSERT INTO KPI.KPI_MERGEIN (A0_TXN_ID, A1_NE_ID, A2_CHU_IP_ADDR, A3_BATCH_DATE,A5_CODE)
VALUES (-1, 'BMTDE', '192.2.1.3', 231456879, 'KSD');
> ERROR 08006: A network protocol error was encountered and the connection has been terminated:
the requested command encountered an unarchitected and implementation-specific condition for
which there was no architected message
> and in derby.log file it shows below error stacktrace.
> ERROR XSDG0: Page Page(51919,Container(0, 1104)) could not be read from disk.
>         at org.apache.derby.iapi.error.StandardException.newException(Unknown Source)
>         at org.apache.derby.impl.store.raw.data.CachedPage.readPage(Unknown Source)
>         at org.apache.derby.impl.store.raw.data.CachedPage.setIdentity(Unknown Source)
>         at org.apache.derby.impl.services.cache.ConcurrentCache.find(Unknown Source)
>         at org.apache.derby.impl.store.raw.data.FileContainer.initPage(Unknown Source)
>         at org.apache.derby.impl.store.raw.data.FileContainer.newPage(Unknown Source)
>         at org.apache.derby.impl.store.raw.data.BaseContainer.addPage(Unknown Source)
>         at org.apache.derby.impl.store.raw.data.BaseContainerHandle.addPage(Unknown Source)
>         at org.apache.derby.impl.store.access.heap.HeapController.doInsert(Unknown Source)
>         at org.apache.derby.impl.store.access.heap.HeapController.insertAndFetchLocation(Unknown
Source)
>         at org.apache.derby.impl.sql.execute.RowChangerImpl.insertRow(Unknown Source)
>         at org.apache.derby.impl.sql.execute.InsertResultSet.normalInsertCore(Unknown
Source)
>         at org.apache.derby.impl.sql.execute.InsertResultSet.open(Unknown Source)
>         at org.apache.derby.impl.sql.GenericPreparedStatement.executeStmt(Unknown Source)
>         at org.apache.derby.impl.sql.GenericPreparedStatement.execute(Unknown Source)
>         at org.apache.derby.impl.jdbc.EmbedStatement.executeStatement(Unknown Source)
>         at org.apache.derby.impl.jdbc.EmbedStatement.execute(Unknown Source)
>         at org.apache.derby.impl.jdbc.EmbedStatement.executeUpdate(Unknown Source)
>         at org.apache.derby.impl.drda.DRDAConnThread.parseEXCSQLIMM(Unknown Source)
>         at org.apache.derby.impl.drda.DRDAConnThread.processCommands(Unknown Source)
>         at org.apache.derby.impl.drda.DRDAConnThread.run(Unknown Source)
> Caused by: java.io.EOFException: Reached end of file while attempting to read a whole
page.
>         at org.apache.derby.impl.store.raw.data.RAFContainer4.readFull(Unknown Source)
>         at org.apache.derby.impl.store.raw.data.RAFContainer4.readPage0(Unknown Source)
>         at org.apache.derby.impl.store.raw.data.RAFContainer4.readPage(Unknown Source)
>         ... 20 more
> ============= begin nested exception, level (1) ===========
> java.io.EOFException: Reached end of file while attempting to read a whole page.
>         at org.apache.derby.impl.store.raw.data.RAFContainer4.readFull(Unknown Source)
>         at org.apache.derby.impl.store.raw.data.RAFContainer4.readPage0(Unknown Source)
>         at org.apache.derby.impl.store.raw.data.RAFContainer4.readPage(Unknown Source)
>         at org.apache.derby.impl.store.raw.data.CachedPage.readPage(Unknown Source)
>         at org.apache.derby.impl.store.raw.data.CachedPage.setIdentity(Unknown Source)
>         at org.apache.derby.impl.services.cache.ConcurrentCache.find(Unknown Source)
>         at org.apache.derby.impl.store.raw.data.FileContainer.initPage(Unknown Source)
>         at org.apache.derby.impl.store.raw.data.FileContainer.newPage(Unknown Source)
>         at org.apache.derby.impl.store.raw.data.BaseContainer.addPage(Unknown Source)
>         at org.apache.derby.impl.store.raw.data.BaseContainerHandle.addPage(Unknown Source)
>         at org.apache.derby.impl.store.access.heap.HeapController.doInsert(Unknown Source)
>         at org.apache.derby.impl.store.access.heap.HeapController.insertAndFetchLocation(Unknown
Source)
>         at org.apache.derby.impl.sql.execute.RowChangerImpl.insertRow(Unknown Source)
>         at org.apache.derby.impl.sql.execute.InsertResultSet.normalInsertCore(Unknown
Source)
>         at org.apache.derby.impl.sql.execute.InsertResultSet.open(Unknown Source)
>         at org.apache.derby.impl.sql.GenericPreparedStatement.executeStmt(Unknown Source)
>         at org.apache.derby.impl.sql.GenericPreparedStatement.execute(Unknown Source)
>         at org.apache.derby.impl.jdbc.EmbedStatement.executeStatement(Unknown Source)
>         at org.apache.derby.impl.jdbc.EmbedStatement.execute(Unknown Source)
>         at org.apache.derby.impl.jdbc.EmbedStatement.executeUpdate(Unknown Source)
>         at org.apache.derby.impl.drda.DRDAConnThread.parseEXCSQLIMM(Unknown Source)
>         at org.apache.derby.impl.drda.DRDAConnThread.processCommands(Unknown Source)
>         at org.apache.derby.impl.drda.DRDAConnThread.run(Unknown Source)
> ============= end nested exception, level (1) ===========
> 2011-05-16 10:37:21.392 GMT:
> Shutting down instance a816c00e-012f-f85f-7892-ffff874c3ff6
> ----------------------------------------------------------------
> Cleanup action completed
> The problem is only with INSERT statement. When i try SELECT statement on KPI.KPI_MERGEIN
table it is working well.The database file system size (in seg0) is 1.3 GB
> Can anyone help me out in identifying the problem that why for one table alone its throwing
the above error message ? Would upgrade to a new version help ? 

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