[
http://issues.apache.org/jira/browse/DERBY-1610?page=comments#action_12440719 ]
Tomohito Nakayama commented on DERBY-1610:
------------------------------------------
With the patch DERBY-1610_7_regressionfix_2.patch ,
I executed derbyall and compatibility suite.
The result was that
compatibility test was passed and
jdbcapi/StmtCloseFunTest.java in DerbyNetClinet of derbyall was failed.
Next are exceptions found in StmtCloseFunTest.tmp :
Prepared Statement test begin
FAIL -- unexpected exception:java.lang.NullPointerException
java.lang.NullPointerException
at
org.apache.derby.client.am.PreparedStatement.setInt(PreparedStatement.java:562)
at
org.apache.derbyTesting.functionTests.tests.jdbcapi.StmtCloseFunTest.test2(StmtCloseFunTest.java:335)
at
org.apache.derbyTesting.functionTests.tests.jdbcapi.StmtCloseFunTest.main(StmtCloseFunTest.java:72)
Callable Statement test begin
The result is 3
FAIL -- unexpected exception:java.lang.NullPointerException
java.lang.NullPointerException
at
org.apache.derby.client.am.PreparedStatement.setString(PreparedStatement.java:925)
at
org.apache.derbyTesting.functionTests.tests.jdbcapi.StmtCloseFunTest.test3(StmtCloseFunTest.java:577)
at
org.apache.derbyTesting.functionTests.tests.jdbcapi.StmtCloseFunTest.main(StmtCloseFunTest.java:73)
Statement Close Fun Test finished
Where exception found was around next ....
org.apache.derbyTesting.functionTests.tests.jdbcapi.StmtCloseFunTest :
test2 method :
ps.setInt(1, 420);
ps.setFloat(2, (float)12.21);
ps.setDate(3, new Date(870505200000L));
ps.setString(4, "China");
ps.executeUpdate();
ps.close();
//now, we begin the test
try {
ps.setInt(1, 530);
System.out.println("Prepared Statement Test
failed");
}
catch(SQLException e) { }
test3 method :
cs = conn.prepareCall("call takesString(?,?)");
cs.registerOutParameter(1, Types.CHAR);
cs.setInt(2, Types.INTEGER);
cs.execute();
System.out.println("The result is " +
cs.getString(1));
cs.close();
try {
cs.setString(1, "ABC");
System.out.println("Callable Statement
Test failed");
}
catch(SQLException e) { }
It seems that program throw NullPointerExceptioon
because method of instance variable ,parameterMetaData_ , was called
after Statement was closed and substituted null for parameterMetaData_ .
> Resolve difference of type compatibility between Embedded and
> NetworkServer/NetworkDriver
> -----------------------------------------------------------------------------------------
>
> Key: DERBY-1610
> URL: http://issues.apache.org/jira/browse/DERBY-1610
> Project: Derby
> Issue Type: Bug
> Components: Network Server, Network Client
> Reporter: Tomohito Nakayama
> Assigned To: Tomohito Nakayama
> Attachments: DERBY-1610.diff, DERBY-1610_2.diff, DERBY-1610_3.diff,
> DERBY-1610_4.diff, DERBY-1610_5.diff, DERBY-1610_6.patch, DERBY-1610_7.patch,
> DERBY-1610_7_regressionfix.patch, DERBY-1610_7_regressionfix_2.patch,
> parameterMapping.diff, parameterMapping.diff,
> parameterMapping.diff.betweenEmbedded_and_NetworkServerNetworkClient,
> parameterMapping.out.7.diff, parameterMapping.out.diff,
> parameterMapping_3.diff, TestNullChar.java, TestTypeCompatibility.java,
> XCL12.diff
>
>
> There exists difference of type compatibility between Embedded and
> NetworkServer/NetworkClient.
> This issue tries to resolve it.
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