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Posted to derby-dev@db.apache.org by "Holger Rehn (JIRA)" <ji...@apache.org> on 2014/07/31 15:07:39 UTC

[jira] [Commented] (DERBY-6681) Cannot update BLOB/CLOB values in multiple rows simultaneously

    [ https://issues.apache.org/jira/browse/DERBY-6681?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14080826#comment-14080826 ] 

Holger Rehn commented on DERBY-6681:
------------------------------------

java.sql.SQLException: An unexpected exception was thrown
	at org.apache.derby.impl.jdbc.SQLExceptionFactory40.getSQLException(Unknown Source)
	at org.apache.derby.impl.jdbc.Util.newEmbedSQLException(Unknown Source)
	at org.apache.derby.impl.jdbc.Util.seeNextException(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.EmbedStatement.executeStatement(Unknown Source)
	at org.apache.derby.impl.jdbc.EmbedPreparedStatement.executeStatement(Unknown Source)
	at org.apache.derby.impl.jdbc.EmbedPreparedStatement.executeLargeUpdate(Unknown Source)
	at org.apache.derby.impl.jdbc.EmbedPreparedStatement.executeUpdate(Unknown Source)
	at MultiLOB.testBug6681(MultiLOB.java:53)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:601)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:45)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:263)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:68)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:47)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:222)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:300)
	at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
	at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
Caused by: java.sql.SQLException: An unexpected exception was thrown
	at org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(Unknown Source)
	at org.apache.derby.impl.jdbc.SQLExceptionFactory40.wrapArgsForTransportAcrossDRDA(Unknown Source)
	... 35 more
Caused by: java.sql.SQLException: Java exception: 'Stream has already been read and end-of-file reached and cannot be re-used.: java.io.EOFException'.
	at org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(Unknown Source)
	at org.apache.derby.impl.jdbc.SQLExceptionFactory40.wrapArgsForTransportAcrossDRDA(Unknown Source)
	at org.apache.derby.impl.jdbc.SQLExceptionFactory40.getSQLException(Unknown Source)
	at org.apache.derby.impl.jdbc.Util.newEmbedSQLException(Unknown Source)
	at org.apache.derby.impl.jdbc.Util.javaException(Unknown Source)
	at org.apache.derby.impl.jdbc.TransactionResourceImpl.wrapInSQLException(Unknown Source)
	... 32 more
Caused by: java.io.EOFException: Stream has already been read and end-of-file reached and cannot be re-used.
	at org.apache.derby.iapi.types.ReaderToUTF8Stream.read(Unknown Source)
	at org.apache.derby.impl.store.raw.data.MemByteHolder.write(Unknown Source)
	at org.apache.derby.impl.store.raw.data.RememberBytesInputStream.fillBuf(Unknown Source)
	at org.apache.derby.impl.store.raw.data.StoredPage.logColumn(Unknown Source)
	at org.apache.derby.impl.store.raw.data.StoredPage.logRow(Unknown Source)
	at org.apache.derby.impl.store.raw.data.UpdateOperation.writeOptionalDataToBuffer(Unknown Source)
	at org.apache.derby.impl.store.raw.data.UpdateOperation.<init>(Unknown Source)
	at org.apache.derby.impl.store.raw.data.LoggableActions.actionUpdate(Unknown Source)
	at org.apache.derby.impl.store.raw.data.StoredPage.doUpdateAtSlot(Unknown Source)
	at org.apache.derby.impl.store.raw.data.BasePage.updateAtSlot(Unknown Source)
	at org.apache.derby.impl.store.access.conglomerate.GenericConglomerateController.replace(Unknown Source)
	at org.apache.derby.impl.sql.execute.RowChangerImpl.updateRow(Unknown Source)
	at org.apache.derby.impl.sql.execute.UpdateResultSet.collectAffectedRows(Unknown Source)
	at org.apache.derby.impl.sql.execute.UpdateResultSet.open(Unknown Source)
	at org.apache.derby.impl.sql.GenericPreparedStatement.executeStmt(Unknown Source)
	at org.apache.derby.impl.sql.GenericPreparedStatement.execute(Unknown Source)
	... 28 more

> Cannot update BLOB/CLOB values in multiple rows simultaneously
> --------------------------------------------------------------
>
>                 Key: DERBY-6681
>                 URL: https://issues.apache.org/jira/browse/DERBY-6681
>             Project: Derby
>          Issue Type: Bug
>          Components: Store
>    Affects Versions: 10.9.1.0, 10.10.2.0
>         Environment: Win64, Java7
>            Reporter: Holger Rehn
>            Priority: Blocker
>
> When trying to execute a single command to update multiple rows with a new BLOB/CLOB value, an exception is thrown because Derby tries to read the data stream once for every value/row to update.



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