[jboss-user] [jBPM] - PostgreSQL - empty database - install.demo.db does not exist

wishmaster7 do-not-reply at jboss.com
Fri Jan 4 10:22:58 EST 2013

wishmaster7 [https://community.jboss.org/people/wishmaster7] created the discussion

"PostgreSQL - empty database - install.demo.db does not exist"

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Hello everybody,

I have downloaded the last version of jBPM (5.4.0), unzipped it, launched "ant install.demo", installed a local PostgreSQL database and follow the  http://docs.jboss.org/jbpm/v5.4/userguide/ch.installer.html#d0e609 documentation to create the database with the matching user and configured jBPM to connect to this database. At the end of "3.7.3 Quickstart", when I want to reinstall the demo, it says BUILD FAILED - target "install.demo.db" does not exist in the project "jBPM.install".

At this point, I have a database called "jbpm5" with a user called "jbpm5", and a database called "task" with a user called "task". But they are empty. Then I launch Eclipse, create a new jBPM project with "+a more advanced process including human task and persistence+", and when I run the testProcess() method of the jUnit test class, it gives me an error ending by : 

> ERROR tool.hbm2ddl.SchemaUpdate.execute  - could not get database metadata
> org.h2.jdbc.JdbcSQLException: Table "PG_CLASS" not found; SQL statement:
> select relname from pg_class where relkind='S' [42102-167]
> [ ... ]
> Caused by: org.h2.jdbc.JdbcSQLException: Sequence "SESSIONINFO_ID_SEQ" not found; SQL statement:
> select nextval ('SESSIONINFO_ID_SEQ') [90036-167]
>     at org.h2.message.DbException.getJdbcSQLException(DbException.java:329)
>     at org.h2.message.DbException.get(DbException.java:169)
>     at org.h2.message.DbException.get(DbException.java:146)
>     at org.h2.schema.Schema.getSequence(Schema.java:474)
>     at org.h2.expression.Function.getSequence(Function.java:1281)
>     at org.h2.expression.Function.getValueWithArgs(Function.java:1129)
>     at org.h2.expression.Function.getValue(Function.java:447)
>     at org.h2.command.dml.Select.queryFlat(Select.java:519)
>     at org.h2.command.dml.Select.queryWithoutCache(Select.java:618)
>     at org.h2.command.dml.Query.query(Query.java:307)
>     at org.h2.command.dml.Query.query(Query.java:277)
>     at org.h2.command.dml.Query.query(Query.java:36)
>     at org.h2.command.CommandContainer.query(CommandContainer.java:86)
>     at org.h2.command.Command.executeQuery(Command.java:191)
>     at org.h2.server.TcpServerThread.process(TcpServerThread.java:306)
>     at org.h2.server.TcpServerThread.run(TcpServerThread.java:149)
>     at java.lang.Thread.run(Unknown Source)
>     at org.h2.engine.SessionRemote.done(SessionRemote.java:538)
>     at org.h2.command.CommandRemote.executeQuery(CommandRemote.java:151)
>     at org.h2.jdbc.JdbcPreparedStatement.executeQuery(JdbcPreparedStatement.java:96)
>     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>     at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
>     at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
>     at java.lang.reflect.Method.invoke(Unknown Source)
>     at bitronix.tm.resource.jdbc.BaseProxyHandlerClass.invoke(BaseProxyHandlerClass.java:63)
>     at $Proxy35.executeQuery(Unknown Source)
>     at org.hibernate.id.SequenceGenerator.generate(SequenceGenerator.java:98)
>     ... 47 more

I think the problem comes from the missing "install.demo.db" task in the ant file. I've searched if a script exists to create the tables in my database, but found nothing.

Could someone please tell me what I have to do to create the required tables and sequences? Or, if I'm totally wrong, where is the problem?

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