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https://issues.apache.org/jira/browse/DERBY-2112?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12470367
]
Myrna van Lunteren commented on DERBY-2112:
-------------------------------------------
Updated stack trace (with trunk at revision 502319), from running an attempt to
convert test batchUpdate.java to junit. So, a test already exists, it's just
not getting executed with network server currently.
---------------------------------
java.lang.NullPointerException
at
org.apache.derby.client.am.PreparedStatement.executeBatchRequestX(PreparedStatement.java:2264)
at
org.apache.derby.client.am.PreparedStatement.executeBatchX(PreparedStatement.java:2193)
at
org.apache.derby.client.am.PreparedStatement.executeBatch(PreparedStatement.java:1629)
at
org.apache.derbyTesting.functionTests.tests.jdbcapi.BatchUpdateTest.runNoParametersPreparedBatch(BatchUpdateTest.java:1000)
at
org.apache.derbyTesting.functionTests.tests.jdbcapi.BatchUpdateTest.testPreparedStatementBatchUpdatePositive(BatchUpdateTest.java:190)
---------------------------------
> Nullpointer on executeBatchRequestX when preparedStatement has no parameters
> ----------------------------------------------------------------------------
>
> Key: DERBY-2112
> URL: https://issues.apache.org/jira/browse/DERBY-2112
> Project: Derby
> Issue Type: Bug
> Components: Network Client
> Affects Versions: 10.2.1.6
> Environment: Using java version 1.5.0_05 (sun).
> Reporter: Cesar Devera
> Attachments: Derby2112ReproNPE.java
>
>
> there is a problem when using batch statements without bind parameters (?),
> with ClientDriver (derbyclient.jar):
> java.lang.NullPointerException
> at
> org.apache.derby.client.am.PreparedStatement.executeBatchRequestX(Unknown
> Source)
> at org.apache.derby.client.am.PreparedStatement.executeBatchX(Unknown
> Source)
> at org.apache.derby.client.am.PreparedStatement.executeBatch(Unknown
> Source)
> at teste.Teste9.main(Teste9.java:29)
> test process to reproduce the bug:
> create a database called mydbtest under $DERBY_HOME/data
> create and populate a new table called teste1:
> create table teste1 ( valor numeric );
> insert into teste1 values (1);
> insert into teste1 values (2);
> insert into teste1 values (3);
> start derby network server.
> run the following code:
> public static void main(String[] args) throws SQLException {
>
> try {
> Class.forName("org.apache.derby.jdbc.ClientDriver" );
> } catch (Exception e) {
> e.printStackTrace();
> return;
> }
> Connection c =
> DriverManager.getConnection("jdbc:derby://localhost:1527/d:/derby_10/data/mydbtest",
> "app", "app");
>
> PreparedStatement ps = c.prepareStatement("update teste1 set valor
> = 8");
> ps2.addBatch();
>
> int j[] = ps.executeBatch();
> System.out.println(j[0]);
> ps.close();
>
> c.close();
> }
> this exception is thrown:
> java.lang.NullPointerException
> at
> org.apache.derby.client.am.PreparedStatement.executeBatchRequestX(Unknown
> Source)
> at org.apache.derby.client.am.PreparedStatement.executeBatchX(Unknown
> Source)
> at org.apache.derby.client.am.PreparedStatement.executeBatch(Unknown
> Source)
> at teste.Teste9.main(Teste9.java:29)
> ------
> i've studied the source and got the bug on class
> org.apache.derby.client.am.PreparedStatement line 2043.
> then, i've changed that line from this:
> parameterMetaData_.clientParamtertype_ = (int[])
> parameterTypeList.get(i);
> to this:
> if (parameterMetaData_ != null) {
> parameterMetaData_.clientParamtertype_ =
> (int[]) parameterTypeList.get(i);
> }
> after running the build and updating the derbyclient.jar, my application
> worked fine, so this seems to solve the problem.
> i didn't run the automatic build tests to check for other impacts /
> collateral effects.
> follows org.apache.derby.tools.sysinfo output:
> ------------------ Informacoes sobre Java ------------------
> Vers?o do Java: 1.4.2_08
> Fornecedor do Java: Sun Microsystems Inc.
> Diret?rio base do Java: C:\j2sdk1.4.2_08\jre
> Caminho de classes do Java:
> .;.;C:\PROGRA~1\JMF21~1.1E\lib\sound.jar;C:\PROGRA~1\JMF21~1.1E\lib\jmf.jar;C:\PROGRA~1\J
> MF21~1.1E\lib;%systemroot%\java\classes;.;D:\DERBY_10/lib/derby.jar;D:\DERBY_10/lib/derbynet.jar;D:\DERBY_10/lib/derbyclient.
> jar;D:\DERBY_10/lib/derbytools.jar
> Nome do Sistema Operacional: Windows XP
> Arquitetura do Sistema Operacional: x86
> Vers?o do Sistema Operacional: 5.1
> Nome do usußrio Java: acd025
> Diret?rio base do usußrio Java: D:\Profiles\acd025
> Diret?rio do usußrio Java: D:\derby_10
> java.specification.name: Java Platform API Specification
> java.specification.version: 1.4
> ---------------- Informa??es sobre o Derby -----------------
> JRE - JDBC: J2SE 1.4.2 - JDBC 3.0
> [D:\derby_10\lib\derby.jar] 10.2.1.6 - (452058)
> [D:\derby_10\lib\derbytools.jar] 10.2.1.6 - (452058)
> [D:\derby_10\lib\derbynet.jar] 10.2.1.6 - (452058)
> [D:\derby_10\lib\derbyclient.jar] 10.2.1.6 - (452058)
> ------------------------------------------------------
> ---------------- Informa??es sobre o Idioma ----------------
> Idioma atual : [portugu?s/Brasil [pt_BR]]
> Encontrado suporte para o idioma: [de_DE]
> vers?o: 10.2.1.6 - (452058)
> Encontrado suporte para o idioma: [es]
> vers?o: 10.2.1.6 - (452058)
> Encontrado suporte para o idioma: [fr]
> vers?o: 10.2.1.6 - (452058)
> Encontrado suporte para o idioma: [it]
> vers?o: 10.2.1.6 - (452058)
> Encontrado suporte para o idioma: [ja_JP]
> vers?o: 10.2.1.6 - (452058)
> Encontrado suporte para o idioma: [ko_KR]
> vers?o: 10.2.1.6 - (452058)
> Encontrado suporte para o idioma: [pt_BR]
> vers?o: 10.2.1.6 - (452058)
> Encontrado suporte para o idioma: [zh_CN]
> vers?o: 10.2.1.6 - (452058)
> Encontrado suporte para o idioma: [zh_TW]
> vers?o: 10.2.1.6 - (452058)
> ------------------------------------------------------
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