To answer my own questions...
The day after I posted, first problem resolved itself. I'm not sure
what I did but I suspect the cure was restarting the FrontBase server.
For the second problem, Guido Neitzer helpfully pointed out that
external type = Database type. Silly me %-).
Re: the Veogen / WOnder dependencies I think they only have to do with
the fact that I'm using the standard templates which make use of some
WOnder features (actually mainly org.apache.log4j.Logger)
Guido also explained how to use prototypes without project WO:
"Sure it is. You only need either a framework with your Prototypes
entities (look at ERPrototypes how to create one that is flexible with
databases) or add an entity "EOJDBCPrototypes" to your model."
= tmk =
On 05 Jan 2008, at 16:00, Archibal Singleton wrote:
Hello,
I'm getting the dreaded driver not found problem:
--- cut
"Failed to generate SQL. JDBC connection failed for
driver :'jdbc:FrontBase://localhost/test'. Driver not found in Java
Runtime! Please verify your CLASSPATH environment variable. The
current CLASSPATH for your application is : /Developer/Applications/
Eclipse/Eclipse.app/Contents/MacOS/../../../plugins/
org.eclipse.equinox.launcher_1.0.1.R33x_v20070828.jar"
--- cut
Please see crashlog 1 below
I've checked, re-checked and re-re-checked my settings and
everything seems OK.
Then I've created a vanilla project, created a EOModel, set the same
settings as in my previous project. Took snapshots of the expanded
"Libraries" tab in their respective "Java Build Path" settings and
they're identical. The order of the libraries are also the same.
I have checked http://wiki.objectstyle.org/confluence/display/WOL/JDBC+and+Entity+Modeler
(which btw doesn't mention the database PlugIn (e.g.
FrontBasePlugIn or PostgresqlPlugIn). I assume they should also be
in the CLASSPATH right?
Anyway, in my case both FrontBasePlugIn and frontbasejdbc.jar are in
the CLASSPATH and the connection settings are the same in EM but I
still get the eror message above.
On the second project, I get the following error message:
--- cut
"Failed to generate SQL. Unable to find type information for
external type 'null' in attribute 'id' of entity 'Something'. Check
spelling and capitalization".
--- cut
Please see crashlog 2 below
I've simply created a id attribute of type Integer - Integer i (no
prototype)
I'm using eclispse Version: 3.3.2 Build id: M20071205-0800 / WOLips
3.34753 / WO 5.3.x (latest) / FrontBase 4.2.8.
What's happening and what can I do to correct this problem.
I'm using
Now some questions, is it correct to assume that VEOGenerator has a
WOnder (ERExtensions + ERJars + ?) dependency? I'm guessing
JavaEOGenerator does not?
Also is it possible to use prototypes in Entity Modeler without
WOnder (ERPrototypes has a ERExtension + ERJars dependencies)?
Although I'm using WOnder, I'd like to know if this is possible
without using WOnder.
Any help would be much appreciated.
Many TIA
= tmk =
--- crashlog 1
java.lang.RuntimeException: Failed to generate SQL.
at org.objectstyle.wolips.eomodeler.core.sql.EOFSQLGeneratorFactory
$
ReflectionSQLGenerator
.generateSchemaCreationScript(EOFSQLGeneratorFactory.java:57)
at
org
.objectstyle
.wolips
.eomodeler
.actions.GenerateSQLDialog.generateSql(GenerateSQLDialog.java:271)
at org.objectstyle.wolips.eomodeler.actions.GenerateSQLDialog
$1.run(GenerateSQLDialog.java:252)
at java.lang.Thread.run(Thread.java:613)
Caused by: java.lang.reflect.InvocationTargetException
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.objectstyle.wolips.eomodeler.core.sql.EOFSQLGeneratorFactory
$
ReflectionSQLGenerator
.generateSchemaCreationScript(EOFSQLGeneratorFactory.java:55)
... 3 more
Caused by: com.webobjects.jdbcadaptor.JDBCAdaptorException: JDBC
connection failed for driver :'jdbc:FrontBase://localhost/test'.
Driver not found in Java Runtime! Please verify your CLASSPATH
environment variable. The current CLASSPATH for your application
is : /Developer/Applications/Eclipse/Eclipse.app/Contents/
MacOS/../../../plugins/
org.eclipse.equinox.launcher_1.0.1.R33x_v20070828.jar
at com.webobjects.jdbcadaptor.JDBCContext.connect(JDBCContext.java:
194)
at
com.webobjects.jdbcadaptor.JDBCContext._tryConnect(JDBCContext.java:
331)
at
com
.webobjects.jdbcadaptor.JDBCContext._fetchJDBCInfo(JDBCContext.java:
558)
at com.webobjects.jdbcadaptor.JDBCPlugIn.jdbcInfo(JDBCPlugIn.java:
861)
at com.webobjects.jdbcadaptor.JDBCAdaptor.jdbcInfo(JDBCAdaptor.java:
233)
at
com
.webobjects
.jdbcadaptor
.JDBCExpressionFactory.createExpression(JDBCExpressionFactory.java:22)
at
com
.webobjects
.eoaccess
.EOSQLExpressionFactory
.expressionForString(EOSQLExpressionFactory.java:80)
at
com
.webobjects
.eoaccess
.EOSynchronizationFactory
._expressionForString(EOSynchronizationFactory.java:1088)
at
com
.webobjects
.eoaccess
.EOSynchronizationFactory
.dropPrimaryKeySupportStatementsForEntityGroups
(EOSynchronizationFactory.java:672)
at
com
.webobjects
.eoaccess
.EOSynchronizationFactory
.schemaCreationStatementsForEntities(EOSynchronizationFactory.java:
941)
at
com
.webobjects
.eoaccess
.EOSynchronizationFactory
.schemaCreationScriptForEntities(EOSynchronizationFactory.java:747)
at
org
.objectstyle
.wolips
.eomodeler
.core
.sql
.EOFSQLGenerator.generateSchemaCreationScript(EOFSQLGenerator.java:
384)
... 8 more
--- crashlog 2
java.lang.RuntimeException: Failed to generate SQL.
at org.objectstyle.wolips.eomodeler.core.sql.EOFSQLGeneratorFactory
$
ReflectionSQLGenerator
.generateSchemaCreationScript(EOFSQLGeneratorFactory.java:57)
at
org
.objectstyle
.wolips
.eomodeler
.actions.GenerateSQLDialog.generateSql(GenerateSQLDialog.java:271)
at org.objectstyle.wolips.eomodeler.actions.GenerateSQLDialog
$1.run(GenerateSQLDialog.java:252)
at java.lang.Thread.run(Thread.java:613)
Caused by: java.lang.reflect.InvocationTargetException
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.objectstyle.wolips.eomodeler.core.sql.EOFSQLGeneratorFactory
$
ReflectionSQLGenerator
.generateSchemaCreationScript(EOFSQLGeneratorFactory.java:55)
... 3 more
Caused by: com.webobjects.jdbcadaptor.JDBCAdaptorException: Unable
to find type information for external type 'null' in attribute 'id'
of entity 'SomeThing'. Check spelling and capitalization.
at com.webobjects.jdbcadaptor.FrontbasePlugIn
$
FrontbaseSynchronizationFactory
.columnTypeStringForAttribute(FrontbasePlugIn.java:711)
at com.webobjects.jdbcadaptor.FrontbasePlugIn
$
FrontbaseSynchronizationFactory
.addCreateClauseForAttribute(FrontbasePlugIn.java:669)
at com.webobjects.jdbcadaptor.FrontbasePlugIn
$
FrontbaseSynchronizationFactory
.createTableStatementsForEntityGroup(FrontbasePlugIn.java:603)
at com.webobjects.jdbcadaptor.FrontbasePlugIn
$
FrontbaseSynchronizationFactory
.createTableStatementsForEntityGroups(FrontbasePlugIn.java:567)
at com.webobjects.jdbcadaptor.FrontbasePlugIn
$
FrontbaseSynchronizationFactory
.schemaCreationStatementsForEntities(FrontbasePlugIn.java:448)
at
com
.webobjects
.eoaccess
.EOSynchronizationFactory
.schemaCreationScriptForEntities(EOSynchronizationFactory.java:747)
at
org
.objectstyle
.wolips
.eomodeler
.core
.sql
.EOFSQLGenerator.generateSchemaCreationScript(EOFSQLGenerator.java:
384)
... 8 more
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