NullPointerException occurs when trying to create a table in schema SESSION
---------------------------------------------------------------------------

                 Key: DERBY-1706
                 URL: http://issues.apache.org/jira/browse/DERBY-1706
             Project: Derby
          Issue Type: Bug
          Components: SQL
    Affects Versions: 10.2.0.0
         Environment: Sun JDK 1.4.2
            Reporter: Yip Ng
            Priority: Minor


NPE occurs when attempting to create a table in schema session:

ij version 10.2
ij> connect 'jdbc:derby:wombat;create=true' user 'user1';
WARNING 01J14: SQL authorization is being used without first enabling authentica
tion.
ij> set schema session;
0 rows inserted/updated/deleted
ij> create table t1 (i int);
ERROR XJ001: Java exception: ': java.lang.NullPointerException'.

derby.log:
----------------------------------------------------------------
2006-08-16 20:49:02.765 GMT:
 Booting Derby version The Apache Software Foundation - Apache Derby - 10.2.1.0 
beta - (430903): instance c013800d-010d-18be-88cf-00000013f010
on database directory C:\work3\derby\tests\derby-10.2.1.0\lib\wombat  

Database Class Loader started - derby.database.classpath=''
2006-08-16 20:49:17.312 GMT Thread[main,5,main] (XID = 122), (SESSIONID = 0), 
(DATABASE = wombat), (DRDAID = null), Cleanup action starting
2006-08-16 20:49:17.312 GMT Thread[main,5,main] (XID = 122), (SESSIONID = 0), 
(DATABASE = wombat), (DRDAID = null), Failed Statement is: create table t1 (i 
int)
java.lang.NullPointerException
        at 
org.apache.derby.impl.sql.compile.QueryTreeNode.getSchemaDescriptor(Unknown 
Source)
        at 
org.apache.derby.impl.sql.compile.DDLStatementNode.getSchemaDescriptor(Unknown 
Source)
        at 
org.apache.derby.impl.sql.compile.DDLStatementNode.getSchemaDescriptor(Unknown 
Source)
        at 
org.apache.derby.impl.sql.compile.CreateTableNode.referencesSessionSchema(Unknown
 Source)
        at 
org.apache.derby.impl.sql.GenericPreparedStatement.referencesSessionSchema(Unknown
 Source)
        at org.apache.derby.impl.sql.GenericStatement.prepMinion(Unknown Source)
        at org.apache.derby.impl.sql.GenericStatement.prepare(Unknown Source)
        at 
org.apache.derby.impl.sql.conn.GenericLanguageConnectionContext.prepareInternalStatement(Unknown
 Source)
        at org.apache.derby.impl.jdbc.EmbedStatement.execute(Unknown Source)
        at org.apache.derby.impl.jdbc.EmbedStatement.execute(Unknown Source)
        at org.apache.derby.impl.tools.ij.ij.executeImmediate(Unknown Source)
        at org.apache.derby.impl.tools.ij.utilMain.doCatch(Unknown Source)
        at org.apache.derby.impl.tools.ij.utilMain.runScriptGuts(Unknown Source)
        at org.apache.derby.impl.tools.ij.utilMain.go(Unknown Source)
        at org.apache.derby.impl.tools.ij.Main.go(Unknown Source)
        at org.apache.derby.impl.tools.ij.Main.mainCore(Unknown Source)
        at org.apache.derby.impl.tools.ij.Main14.main(Unknown Source)
        at org.apache.derby.tools.ij.main(Unknown Source)
Cleanup action completed

2006-08-16 20:49:55.312 GMT:
Shutting down instance c013800d-010d-18be-88cf-00000013f010
----------------------------------------------------------------

sysinfo:

------------------ Java Information ------------------
Java Version:    1.4.2_12
Java Vendor:     Sun Microsystems Inc.
Java home:       C:\Program Files\Java\j2re1.4.2_12
Java classpath:  derby.jar;derbytools.jar;.
OS name:         Windows XP
OS architecture: x86
OS version:      5.1
Java user name:  Yip
Java user home:  C:\Documents and Settings\Yip
Java user dir:   C:\work3\derby\tests\derby-10.2.1.0\lib
java.specification.name: Java Platform API Specification
java.specification.version: 1.4
--------- Derby Information --------
JRE - JDBC: J2SE 1.4.2 - JDBC 3.0
[C:\work3\derby\tests\derby-10.2.1.0\lib\derby.jar] 10.2.1.0 beta - (430903)
[C:\work3\derby\tests\derby-10.2.1.0\lib\derbytools.jar] 10.2.1.0 beta - (430903
)
------------------------------------------------------
----------------- Locale Information -----------------
Current Locale :  [English/United States [en_US]]
Found support for locale: [de_DE]
         version: 10.2.1.0 - (430903)
Found support for locale: [es]
         version: 10.2.1.0 - (430903)
Found support for locale: [fr]
         version: 10.2.1.0 - (430903)
Found support for locale: [it]
         version: 10.2.1.0 - (430903)
Found support for locale: [ja_JP]
         version: 10.2.1.0 - (430903)
Found support for locale: [ko_KR]
         version: 10.2.1.0 - (430903)
Found support for locale: [pt_BR]
         version: 10.2.1.0 - (430903)
Found support for locale: [zh_CN]
         version: 10.2.1.0 - (430903)
Found support for locale: [zh_TW]
         version: 10.2.1.0 - (430903)
------------------------------------------------------

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