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From "Knut Anders Hatlen (JIRA)" <j...@apache.org>
Subject [jira] Updated: (DERBY-3352) truncateTable crashed, Caused by: java.lang.NullPointerException
Date Tue, 11 Mar 2008 10:54:46 GMT

     [ https://issues.apache.org/jira/browse/DERBY-3352?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Knut Anders Hatlen updated DERBY-3352:
--------------------------------------

    Derby Info: [Regression]

The NullPointerException seems to have been introduced in this commit:

------------------------------------------------------------------------
r528033 | mikem | 2007-04-12 18:58:30 +0200 (Thu, 12 Apr 2007) | 6 lines

DERBY-2537, 1st incremental checking for this issue.  This changes builds
the framework for storing/retrieving the collation metadata in store and for
passing that info down from language into store.  Some paths still have
default collation hard coded and have been marked TODO-COLLATION.


------------------------------------------------------------------------

> truncateTable crashed, Caused by: java.lang.NullPointerException
> ----------------------------------------------------------------
>
>                 Key: DERBY-3352
>                 URL: https://issues.apache.org/jira/browse/DERBY-3352
>             Project: Derby
>          Issue Type: Bug
>          Components: Services
>    Affects Versions: 10.3.1.4, 10.3.2.1
>         Environment: Windows XP.SP2 , Eclipse 3.2.2 , JDK 1.5_05 
>            Reporter: QingpingXu
>            Priority: Critical
>
> Since derby 10.3.2.1, when truncate a table which has index , a java.lang.NullPointerException
is throwed;but the same src runs successfully with derby 10.2.2.0。
> here's the example source code and stack trace:
> Src:
>         public static void main(String[] args)
> 	{
> 		
> 		try
> 		{
> 			Class.forName("org.apache.derby.jdbc.EmbeddedDriver");
> 			
> 			Connection conn = DriverManager.getConnection("jdbc:derby:test;create=true");
> 			
> 			Statement stat = conn.createStatement();
> 			stat.executeUpdate("create table m (uri varchar(256),f int)");
> 			stat.executeUpdate("create index aa on m (uri)");
> 			stat.executeUpdate("truncate table m");
> 			
> 			System.out.println("Truncate table m successfully!");
> 		}
> 		catch (Exception ex)
> 		{
> 			ex.printStackTrace();
> 		}
> 	}
> Error:
> java.sql.SQLException: Java Exception:":java.lang.NullPointerException"。
> 	at org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(SQLExceptionFactory.java:45)
> 	at org.apache.derby.impl.jdbc.Util.newEmbedSQLException(Util.java:88)
> 	at org.apache.derby.impl.jdbc.Util.javaException(Util.java:245)
> 	at org.apache.derby.impl.jdbc.TransactionResourceImpl.wrapInSQLException(TransactionResourceImpl.java:403)
> 	at org.apache.derby.impl.jdbc.TransactionResourceImpl.handleException(TransactionResourceImpl.java:346)
> 	at org.apache.derby.impl.jdbc.EmbedConnection.handleException(EmbedConnection.java:1574)
> 	at org.apache.derby.impl.jdbc.ConnectionChild.handleException(ConnectionChild.java:81)
> 	at org.apache.derby.impl.jdbc.EmbedStatement.executeStatement(EmbedStatement.java:1315)
> 	at org.apache.derby.impl.jdbc.EmbedStatement.execute(EmbedStatement.java:618)
> 	at org.apache.derby.impl.jdbc.EmbedStatement.executeUpdate(EmbedStatement.java:176)
> 	at update.UpdateURI.main(UpdateURI.java:34)
> Caused by: java.lang.NullPointerException
> 	at org.apache.derby.impl.sql.execute.AlterTableConstantAction.truncateTable(AlterTableConstantAction.java:1462)
> 	at org.apache.derby.impl.sql.execute.AlterTableConstantAction.executeConstantAction(AlterTableConstantAction.java:531)
> 	at org.apache.derby.impl.sql.execute.MiscResultSet.open(MiscResultSet.java:64)
> 	at org.apache.derby.impl.sql.GenericPreparedStatement.execute(GenericPreparedStatement.java:370)
> 	at org.apache.derby.impl.jdbc.EmbedStatement.executeStatement(EmbedStatement.java:1225)
> 	... 3 more

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