Hi Niko,
This problem has been fixed under OPENJPA-555.
You should not get null pointer exception with this fix in connection-less
situations.
Catalina
On Sun, Apr 6, 2008 at 6:48 PM, Nicolas Modrzyk <[EMAIL PROTECTED]> wrote:
> Hi All,
>
> I am encoutering the following exception:
> java.lang.NullPointerException
> at
> org.apache.openjpa.jdbc.sql.DB2Dictionary.isDB2ZOSV8xOrLater(DB2Dictionary.java:402)
> at
> org.apache.openjpa.jdbc.sql.DB2Dictionary.createIndexIfNecessary(DB2Dictionary.java:808)
> at
> org.apache.openjpa.jdbc.kernel.TableJDBCSeq.addSchema(TableJDBCSeq.java:244)
> at
> org.apache.openjpa.jdbc.meta.MappingTool.addSequenceComponents(MappingTool.java:612)
> at
> org.apache.openjpa.jdbc.meta.MappingTool.addSequenceComponents(MappingTool.java:594)
> at
> org.apache.openjpa.jdbc.meta.MappingTool.record(MappingTool.java:481)
> at
> org.apache.openjpa.jdbc.meta.MappingTool.run(MappingTool.java:1078)
> at
> org.apache.openjpa.jdbc.ant.MappingToolTask.executeOn(MappingToolTask.java:205)
> at
> org.apache.openjpa.lib.ant.AbstractTask.execute(AbstractTask.java:172)
>
> I don't have a connection to a DB2 server at build time, but I would
> like to generate the database schema, just like any of the other
> drivers.
>
> I think the problem comes from the following method:
> public boolean isDB2ZOSV8xOrLater() {
> boolean match = false;
> if ((databaseProductVersion.indexOf("DSN") != -1
> || databaseProductName.indexOf("DB2/") == -1)
> && maj >= 8)
> match = true;
> return match;
> }
>
> if the driver is not connected, the metadata cannot be retrieved, so
> it is obviously null.
>
> Note that it would be great to get the indexes, as well:
> public void createIndexIfNecessary(Schema schema, String table,
> Column pkColumn) {
> if (isDB2ZOSV8xOrLater()) {
> // build the index for the sequence tables
> // the index name will the fully qualified table name + _IDX
> Table tab = schema.getTable(table);
> Index idx = tab.addIndex(tab.getFullName() + "_IDX");
> idx.setUnique(true);
> idx.addColumn(pkColumn);
> }
> }
>
>
> so, it'dbe nice to get rid of the guard to V8 or later in offline mode.
>
> What do you think ?
>
> Niko,
>
