Hibernate Pojo Generator / Discussion / General: Problem

Odd Hogstad - 2009-05-23

This seems like a great product, but unfourtunately I cannot get it to work.

I get an error while trying to run java -jar hbnPojoGen.jar:

log4j:WARN No appenders could be found for logger (org.apache.commons.configurat
ion.ConfigurationUtils).
log4j:WARN Please initialize the log4j system properly.
org.apache.velocity.exception.ResourceNotFoundException: Unable to find resource
'class.vm'
        at org.apache.velocity.runtime.resource.ResourceManagerImpl.loadResource
(ResourceManagerImpl.java:452)
        at org.apache.velocity.runtime.resource.ResourceManagerImpl.getResource(
ResourceManagerImpl.java:335)
        at org.apache.velocity.runtime.RuntimeInstance.getTemplate(RuntimeInstan
ce.java:1102)
        at org.apache.velocity.runtime.RuntimeInstance.getTemplate(RuntimeInstan
ce.java:1077)
        at org.apache.velocity.runtime.RuntimeSingleton.getTemplate(RuntimeSingl
eton.java:303)
        at org.apache.velocity.app.Velocity.getTemplate(Velocity.java:503)
        at com.felees.hbnpojogen.Config.parseConfig(Config.java:63)
        at com.felees.hbnpojogen.HbnPojoGen.main(HbnPojoGen.java:302)

What is this, and how can I fix it?

Thanks!

If you would like to refer to this comment somewhere else in this project, copy and paste the following link:
- Wallace Wadge - 2009-05-24
  
  Hi!,
  
  Thanks for reporting that - it's been fixed now. I'll issue out a release first thing tomorrow (I have limited connectivity at the moment).
  
  W
  
  If you would like to refer to this comment somewhere else in this project, copy and paste the following link:
- Wallace Wadge - 2009-05-25
  
  Hi,
  
  Please try with the latest release (uploaded today):
  
  https://sourceforge.net/project/showfiles.php?group_id=212493&package_id=255588&release_id=576772
  
  Cheers,
  Wallace
  
  If you would like to refer to this comment somewhere else in this project, copy and paste the following link:
- Odd Hogstad - 2009-06-05
  
  Thanks, I've now got it running, and doing som eksperimenting.
  
  However I have discovered some strange behaviour. I have two tables, Site and Users. In users I have a foreign key, siteId. If I make this a composite key in Users, I get no errors. But if I don't make it a composite key, I get this error:
  
  Stage 1: Copying skeletons
  Stage 2: Getting commit order in 'PARTIAL' strategy
  Stage 3: Parsing tables
  Stage 4: Building object model
  Stage 5: Writing classes
  org.apache.velocity.exception.MethodInvocationException: Invocation of method 'g
  etNicePropertyName' in class com.felees.hbnpojogen.obj.PropertyObj threw except
  ion java.lang.NullPointerException @ templates/class.vm[225,52]
          at org.apache.velocity.runtime.parser.node.ASTIdentifier.execute(ASTIden
  tifier.java:205)
          at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTRefer
  ence.java:203)
          at org.apache.velocity.runtime.parser.node.ASTReference.render(ASTRefere
  nce.java:294)
          at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java
  :74)
          at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfSt
  atement.java:88)
          at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java
  :74)
          at org.apache.velocity.runtime.directive.Foreach.render(Foreach.java:448
  )
          at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirect
  ive.java:170)
          at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.
  java:318)
          at org.apache.velocity.Template.merge(Template.java:254)
          at com.felees.hbnpojogen.VelocityWriters.writeClass(VelocityWriters.java
  :442)
          at com.felees.hbnpojogen.VelocityWriters.writeClasses(VelocityWriters.ja
  va:558)
          at com.felees.hbnpojogen.HbnPojoGen.sync(HbnPojoGen.java:217)
          at com.felees.hbnpojogen.HbnPojoGen.main(HbnPojoGen.java:421)
  Caused by: java.lang.NullPointerException
          at com.felees.hbnpojogen.SyncUtils.pluralize(SyncUtils.java:803)
          at com.felees.hbnpojogen.obj.PropertyObj.niceEnglish(PropertyObj.java:92
  1)
          at com.felees.hbnpojogen.obj.PropertyObj.getNicePropertyName(PropertyObj
  .java:906)
          at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
          at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.
  java:39)
          at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
  sorImpl.java:25)
          at java.lang.reflect.Method.invoke(Method.java:597)
          at org.apache.velocity.runtime.parser.node.PropertyExecutor.execute(Prop
  ertyExecutor.java:137)
          at org.apache.velocity.util.introspection.UberspectImpl$VelGetterImpl.in
  voke(UberspectImpl.java:350)
          at org.apache.velocity.runtime.parser.node.ASTIdentifier.execute(ASTIden
  tifier.java:180)
          ... 13 more
  
  Is it suppose to be like this?
  
  Thanks again!
  
  If you would like to refer to this comment somewhere else in this project, copy and paste the following link:
  - Wallace Wadge - 2009-06-06
    
    Hi!
    
    No it's not meant to be crashing out like that. I plan to upload a new version on Monday that might fix your problem, meanwhile it would be nice if you could send me your db schema (or a snippet of it where the problem crops up) together with your generator config file. It would make fixing any problem simple :-)
    
    One thing you can try is disable english pluralization in the config file (there was a bug that's been fixed in the version I'll be uploading that only gets triggered if your locale is not set to English)
    
    Cheers,
    
    Wallace
    
    P.S. Send the schema/config to "wwadge at gmail dot com"
    
    If you would like to refer to this comment somewhere else in this project, copy and paste the following link:
- Odd Hogstad - 2009-06-06
  
  Thanks, I've now got it running, and doing som eksperimenting.
  
  However I have discovered some strange behaviour. I have two tables, Site and Users. In users I have a foreign key, siteId. If I make this a composite key in Users, I get no errors. But if I don't make it a composite key, I get this error:
  
  Stage 1: Copying skeletons
  Stage 2: Getting commit order in 'PARTIAL' strategy
  Stage 3: Parsing tables
  Stage 4: Building object model
  Stage 5: Writing classes
  org.apache.velocity.exception.MethodInvocationException: Invocation of method 'g
  etNicePropertyName' in class com.felees.hbnpojogen.obj.PropertyObj threw except
  ion java.lang.NullPointerException @ templates/class.vm[225,52]
          at org.apache.velocity.runtime.parser.node.ASTIdentifier.execute(ASTIden
  tifier.java:205)
          at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTRefer
  ence.java:203)
          at org.apache.velocity.runtime.parser.node.ASTReference.render(ASTRefere
  nce.java:294)
          at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java
  :74)
          at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfSt
  atement.java:88)
          at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java
  :74)
          at org.apache.velocity.runtime.directive.Foreach.render(Foreach.java:448
  )
          at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirect
  ive.java:170)
          at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.
  java:318)
          at org.apache.velocity.Template.merge(Template.java:254)
          at com.felees.hbnpojogen.VelocityWriters.writeClass(VelocityWriters.java
  :442)
          at com.felees.hbnpojogen.VelocityWriters.writeClasses(VelocityWriters.ja
  va:558)
          at com.felees.hbnpojogen.HbnPojoGen.sync(HbnPojoGen.java:217)
          at com.felees.hbnpojogen.HbnPojoGen.main(HbnPojoGen.java:421)
  Caused by: java.lang.NullPointerException
          at com.felees.hbnpojogen.SyncUtils.pluralize(SyncUtils.java:803)
          at com.felees.hbnpojogen.obj.PropertyObj.niceEnglish(PropertyObj.java:92
  1)
          at com.felees.hbnpojogen.obj.PropertyObj.getNicePropertyName(PropertyObj
  .java:906)
          at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
          at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.
  java:39)
          at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
  sorImpl.java:25)
          at java.lang.reflect.Method.invoke(Method.java:597)
          at org.apache.velocity.runtime.parser.node.PropertyExecutor.execute(Prop
  ertyExecutor.java:137)
          at org.apache.velocity.util.introspection.UberspectImpl$VelGetterImpl.in
  voke(UberspectImpl.java:350)
          at org.apache.velocity.runtime.parser.node.ASTIdentifier.execute(ASTIden
  tifier.java:180)
          ... 13 more
  
  Is it suppose to be like this?
  
  Thanks again!
  
  If you would like to refer to this comment somewhere else in this project, copy and paste the following link:
- Odd Hogstad - 2009-06-06
  
  I've sent you some files now.
  
  I actually thougt of disabeling the plural englishs options, what is the propper syntax of doing so?
  
  Thanks!
  
  Odd-R.
  
  If you would like to refer to this comment somewhere else in this project, copy and paste the following link:
  - Wallace Wadge - 2009-06-06
    
    Just enter:
    <disableEnglishPlural>true</disableEnglishPlural>
    
    in your config file.
    
    I recommend downloading the sample configuration file for future reference from here:
    http://garr.dl.sourceforge.net/sourceforge/hibernatepojoge/sample.xml
    
    Also: I have not received any files. Did you send them to wwadge @ gmail.com ?
    
    Let me know how it goes.
    
    Wallace
    
    If you would like to refer to this comment somewhere else in this project, copy and paste the following link:

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