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From "Kristian Waagan (JIRA)" <j...@apache.org>
Subject [jira] Created: (DERBY-4435) Emptying index fails with NPE doing replacement import of empty file
Date Thu, 05 Nov 2009 09:29:32 GMT
Emptying index fails with NPE doing replacement import of empty file
--------------------------------------------------------------------

                 Key: DERBY-4435
                 URL: https://issues.apache.org/jira/browse/DERBY-4435
             Project: Derby
          Issue Type: Bug
          Components: Store
         Environment: Doing replacement import resulting in an empty table, where the table
has at least one index.
            Reporter: Kristian Waagan


When importing data from an empty file, with the replacement option enabled (non-zero last
argument in the import procedure call), Derby fails with a NullPointerException when emptying
the index(es) .

Stack trace, insane build:
java.sql.SQLException: Import error on line 1 of file [snip]: Java exception: ': java.lang.NullPointerException'.

	at org.apache.derby.impl.jdbc.SQLExceptionFactory40.getSQLException(SQLExceptionFactory40.java:95)
        ...
Caused by: java.lang.NullPointerException
	at org.apache.derby.impl.sql.execute.InsertResultSet.emptyIndexes(InsertResultSet.java:2348)
	at org.apache.derby.impl.sql.execute.InsertResultSet.updateAllIndexes(InsertResultSet.java:1820)
	at org.apache.derby.impl.sql.execute.InsertResultSet.bulkInsertCore(InsertResultSet.java:1356)
	at org.apache.derby.impl.sql.execute.InsertResultSet.open(InsertResultSet.java:444)
	at org.apache.derby.impl.sql.GenericPreparedStatement.executeStmt(GenericPreparedStatement.java:436)
	at org.apache.derby.impl.sql.GenericPreparedStatement.execute(GenericPreparedStatement.java:317)
	at org.apache.derby.impl.jdbc.EmbedStatement.executeStatement(EmbedStatement.java:1235)
	... 44 more

Stack trace, sane build:
java.sql.SQLException: The exception 'java.sql.SQLException: An internal error was identified
by RawStore module.' was thrown while evaluating an expression.
	at org.apache.derby.impl.jdbc.SQLExceptionFactory40.getSQLException(SQLExceptionFactory40.java:95)
        ...
Caused by: ERROR 40XT0: An internal error was identified by RawStore module.
	at org.apache.derby.iapi.error.StandardException.newException(StandardException.java:276)
	at org.apache.derby.impl.store.raw.xact.Xact.abort(Xact.java:917)
	at org.apache.derby.impl.store.access.RAMTransaction.abort(RAMTransaction.java:1985)
	at org.apache.derby.impl.sql.conn.GenericLanguageConnectionContext.doRollback(GenericLanguageConnectionContext.java:1496)
	at org.apache.derby.impl.sql.conn.GenericLanguageConnectionContext.userRollback(GenericLanguageConnectionContext.java:1404)
	at org.apache.derby.impl.jdbc.TransactionResourceImpl.rollback(TransactionResourceImpl.java:244)
	at org.apache.derby.impl.jdbc.EmbedConnection.rollback(EmbedConnection.java:1764)
	... 40 more

A quick investigation suggests DERBY-2537 added the code that fails.

Problem reported by a user on the Derby user list, see http://thread.gmane.org/gmane.comp.apache.db.derby.user/11764

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