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From "Kathey Marsden (JIRA)" <j...@apache.org>
Subject [jira] Created: (DERBY-4239) corruption on z/OS with storerecovery oc_rec? tests. ERROR XSLA7: Cannot redo operation null in the log.
Date Wed, 20 May 2009 23:37:45 GMT
corruption on z/OS with storerecovery oc_rec? tests.  ERROR XSLA7: Cannot redo operation null
in the log.
---------------------------------------------------------------------------------------------------------

                 Key: DERBY-4239
                 URL: https://issues.apache.org/jira/browse/DERBY-4239
             Project: Derby
          Issue Type: Bug
          Components: Store
    Affects Versions: 10.5.1.1
         Environment: z/OS z10 processor. 
java version "1.6.0"
Java(TM) SE Runtime Environment (build pmz3160sr4-20090219_01(SR4))
IBM J9 VM (build 2.4, J2RE 1.6.0 IBM J9 2.4 z/OS s390-31 jvmmz3160-20090215_29883 (JIT enabled,
AOT enabled)
J9VM - 20090215_029883_bHdSMr
JIT  - r9_20090213_2028
GC   - 20090213_AA)
JCL  - 20090218_01
also 
java version "1.6.0"
Java(TM) SE Runtime Environment (build pmz3160sr2ifix-20081021_01(SR2+IZ32776+IZ33456))
IBM J9 VM (build 2.4, J2RE 1.6.0 IBM J9 2.4 z/OS s390-31 jvmmz3160ifx-20081010_24288 (JIT
enabled, AOT enabled)
J9VM - 20081009_024288_bHdSMr
JIT  - r9_20080721_1330ifx2
GC   - 20080724_AA)
JCL  - 20080808_02

            Reporter: Kathey Marsden
            Priority: Critical


I saw corruption on z/OS with the storerecovery tests and 10.5.1.1.  The failure comes in
oc_rec3 trying to connect to the database, but the actual problem seems to have occurred with
the prior test oc_rec2.  The problem is somewhat intermittent, happening approximately 1/4
times.  I extracted the case from the harness and will attach the reproduction and run the
script repro.ksh.  The script will loop up to 50 times until it gets the failure which looks
like.

ERROR XSLA7: Cannot redo operation null in the log.
	at org.apache.derby.iapi.error.StandardException.newException(Unknown Source)
	at org.apache.derby.impl.store.raw.log.FileLogger.redo(Unknown Source)
	at org.apache.derby.impl.store.raw.log.LogToFile.recover(Unknown Source)
	at org.apache.derby.impl.store.raw.RawStore.boot(Unknown Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.boot(Unknown Source)
	at org.apache.derby.impl.services.monitor.TopService.bootModule(Unknown Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.startModule(Unknown Source)
	at org.apache.derby.iapi.services.monitor.Monitor.bootServiceModule(Unknown Source)
	at org.apache.derby.impl.store.access.RAMAccessManager.boot(Unknown Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.boot(Unknown Source)
	at org.apache.derby.impl.services.monitor.TopService.bootModule(Unknown Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.startModule(Unknown Source)
	at org.apache.derby.iapi.services.monitor.Monitor.bootServiceModule(Unknown Source)
	at org.apache.derby.impl.db.BasicDatabase.bootStore(Unknown Source)
	at org.apache.derby.impl.db.BasicDatabase.boot(Unknown Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.boot(Unknown Source)
	at org.apache.derby.impl.services.monitor.TopService.bootModule(Unknown Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.bootService(Unknown Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.startProviderService(Unknown Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.findProviderAndStartService(Unknown
Source)
	at org.apache.derby.impl.services.monitor.BaseMonitor.startPersistentService(Unknown Source)
	at org.apache.derby.iapi.services.monitor.Monitor.startPersistentService(Unknown Source)
	at org.apache.derby.impl.jdbc.EmbedConnection.bootDatabase(Unknown Source)
	at org.apache.derby.impl.jdbc.EmbedConnection.<init>(Unknown Source)
	at org.apache.derby.jdbc.Driver40.getNewEmbedConnection(Unknown Source)
	at org.apache.derby.jdbc.InternalDriver.connect(Unknown Source)
	at org.apache.derby.jdbc.AutoloadedDriver.connect(Unknown Source)
	at java.sql.DriverManager.getConnection(DriverManager.java:311)
	at java.sql.DriverManager.getConnection(DriverManager.java:268)
	at CheckTables.main(CheckTables.java:8)
Caused by: ERROR XSDBB: Unknown page format at page Page(16,Container(0, 1073)), page dump
follows: Hex dump:
00000000: 0000 0000 0000 0000 0000 0000 0000 0000  ................
00000010: 0000 0000 0000 0000 0000 0000 0000 0000  ................
<snip lots of 000's>

I ran it with 10.3 and it completed all 50 iterations, so whether JVM or Derby issue it seems
new since 10.3. (I haven't tried with 10.4).  Oddly I have run tests many times before on
this machine using in the 10.5.1.1 release and the same jvm and have never seen this failure,
so am looking into whether maybe something changed on the machine or environment.



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