Looks like this bug to me:
https://issues.apache.org/jira/browse/CAY-1170
It is fixed in 3.0M6. Which version of Cayenne do you have?
Andrus
On Sep 8, 2009, at 10:27 AM, open.pumpkin wrote:
> The trace :
> /.../build.xml:20: Error porting data: null
> at
> org.apache.cayenne.tools.DataPortTask.execute(DataPortTask.java:108)
> at
> org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun
> .reflect
> .NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at
> sun
> .reflect
> .DelegatingMethodAccessorImpl
> .invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:585)
> at
> org
> .apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:
> 106)
> at org.apache.tools.ant.Task.perform(Task.java:348)
> at org.apache.tools.ant.Target.execute(Target.java:357)
> at org.apache.tools.ant.Target.performTasks(Target.java:385)
> at org.apache.tools.ant.Project.executeSortedTargets(Project.java:
> 1337)
> at org.apache.tools.ant.Project.executeTarget(Project.java:1306)
> at
> org
> .apache
> .tools
> .ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
> at org.apache.tools.ant.Project.executeTargets(Project.java:1189)
> at org.apache.tools.ant.Main.runBuild(Main.java:758)
> at org.apache.tools.ant.Main.startAnt(Main.java:217)
> at org.apache.tools.ant.launch.Launcher.run(Launcher.java:257)
> at org.apache.tools.ant.launch.Launcher.main(Launcher.java:104)
> Caused by: java.lang.NullPointerException
> at org.apache.cayenne.dba.TypesHandler.<init>(TypesHandler.java:74)
> at
> org.apache.cayenne.dba.TypesHandler.getHandler(TypesHandler.java:58)
> at org.apache.cayenne.dba.JdbcAdapter.<init>(JdbcAdapter.java:100)
> at
> org.apache.cayenne.dba.mysql.MySQLAdapter.<init>(MySQLAdapter.java:75)
> at
> org
> .apache
> .cayenne.dba.mysql.MySQLSniffer.createAdapter(MySQLSniffer.java:71)
> at
> org
> .apache
> .cayenne
> .dba.DbAdapterFactoryChain.createAdapter(DbAdapterFactoryChain.java:
> 58)
> at
> org.apache.cayenne.dba.AutoAdapter.loadAdapter(AutoAdapter.java:173)
> at org.apache.cayenne.dba.AutoAdapter.getAdapter(AutoAdapter.java:
> 155)
> at
> org.apache.cayenne.dba.AutoAdapter.getExtendedTypes(AutoAdapter.java:
> 263)
> at
> org.apache.cayenne.access.DataNode.performQueries(DataNode.java:243)
> at org.apache.cayenne.access.DataPort.processDelete(DataPort.java:
> 151)
> at org.apache.cayenne.access.DataPort.execute(DataPort.java:110)
> at
> org.apache.cayenne.tools.DataPortTask.execute(DataPortTask.java:104)
> ... 17 more
> --- Nested Exception ---
> java.lang.NullPointerException
> at org.apache.cayenne.dba.TypesHandler.<init>(TypesHandler.java:74)
> at
> org.apache.cayenne.dba.TypesHandler.getHandler(TypesHandler.java:58)
> at org.apache.cayenne.dba.JdbcAdapter.<init>(JdbcAdapter.java:100)
> at
> org.apache.cayenne.dba.mysql.MySQLAdapter.<init>(MySQLAdapter.java:75)
> at
> org
> .apache
> .cayenne.dba.mysql.MySQLSniffer.createAdapter(MySQLSniffer.java:71)
> at
> org
> .apache
> .cayenne
> .dba.DbAdapterFactoryChain.createAdapter(DbAdapterFactoryChain.java:
> 58)
> at
> org.apache.cayenne.dba.AutoAdapter.loadAdapter(AutoAdapter.java:173)
> at org.apache.cayenne.dba.AutoAdapter.getAdapter(AutoAdapter.java:
> 155)
> at
> org.apache.cayenne.dba.AutoAdapter.getExtendedTypes(AutoAdapter.java:
> 263)
> at
> org.apache.cayenne.access.DataNode.performQueries(DataNode.java:243)
> at org.apache.cayenne.access.DataPort.processDelete(DataPort.java:
> 151)
> at org.apache.cayenne.access.DataPort.execute(DataPort.java:110)
> at
> org.apache.cayenne.tools.DataPortTask.execute(DataPortTask.java:104)
> at
> org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun
> .reflect
> .NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at
> sun
> .reflect
> .DelegatingMethodAccessorImpl
> .invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:585)
> at
> org
> .apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:
> 106)
> at org.apache.tools.ant.Task.perform(Task.java:348)
> at org.apache.tools.ant.Target.execute(Target.java:357)
> at org.apache.tools.ant.Target.performTasks(Target.java:385)
> at org.apache.tools.ant.Project.executeSortedTargets(Project.java:
> 1337)
> at org.apache.tools.ant.Project.executeTarget(Project.java:1306)
> at
> org
> .apache
> .tools
> .ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
> at org.apache.tools.ant.Project.executeTargets(Project.java:1189)
> at org.apache.tools.ant.Main.runBuild(Main.java:758)
> at org.apache.tools.ant.Main.startAnt(Main.java:217)
> at org.apache.tools.ant.launch.Launcher.run(Launcher.java:257)
> at org.apache.tools.ant.launch.Launcher.main(Launcher.java:104)
>
>
> 2009/9/8 Andrus Adamchik <andru..bjectstyle.org>
>
>>
>> On Sep 8, 2009, at 3:24 AM, open.pumpkin wrote:
>>
>> Line #20 is : srcNode="Dev_WKN_Node" destNode="Local_WKN_Node" />
>>> Connections to databases are correct (if I stop one DB, I receive a
>>> Connection refused exception). Node names are correct. But I'm not
>>> familiar
>>> with ant.
>>> Can you enlighten me?
>>>
>>
>> Try running ant with -v flag: "ant -v". It should print the stack
>> trace.
>>
>>
>> Now some general questions :
>>> When using the ant method to export DB data, ID's are kept
>>> identical in
>>> different DB's ? Or, if they change, the foreign keys are
>>> automatically
>>> mapped with new ID's ? If not, then this method does not interest
>>> me.
>>>
>>
>> The ids are preserved.
>>
>> Andrus
>>
>>
This archive was generated by hypermail 2.0.0 : Tue Sep 08 2009 - 10:33:59 EDT