Monday, May 24, 2010

Grails war default dependencies list location

http://jira.codehaus.org/browse/GRAILS-5971: says
3. Grails dependencies are no longer in War.groovy ("DEFAULT_DEPS" and "DEFAULT_J5_DEPS" variables). Look at
GRAILS_HOME/src/java/org/codehaus/groovy/grails/resolve/IvyDependencyManager.groovy, getDefaultDependencies(String grailsVersion).

Eclipse build problem: The type java.lang.Object cannot be resolved. It is indirectly referenced from the required .class files

http://forums.sun.com/thread.jspa?threadID=688073: says


 nepaliSun
Posts:1
Registered: 1/7/06
Re: The type java.lang.Object cannot be resolved   
Jan 7, 2006 3:38 PM (reply 6 of 34)  (In reply to original post ) 
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In Eclipse, the cause of this problem is that You somehow deleted the SYSTEM JRE LIBRARY associated with your project.

Simple fix in Eclipse:
-Right Click Project you are working on from Package Explorer
-Go to Properties
-Go to Java Build Path from the right tree structure
-Go to Libraries Tab
-Choose Add Library Button
-Select JRE System Library
-Hit Next, the Radio button will prompt the Workspace default JRE, and let it be that way
-Hit Finish

Things should work now
Cheers,
-Ram S. Khanal


It worked for me.

Sunday, May 16, 2010

TortoiseGit with Pageant - unable to open file

What I did:
Using TortoiseGit and MsysGit
Created key pair using puttygen.
Set the public key in my unfuddle account. (My code is in a git repository on unfuddle)
Loaded the private key into Pageant.
Tried to clone the git repository. It says "unable to open file"

What worked for me:
Checked the TortoiseGit Settings- Network tab.
SSH client is set to ssh.exe. Changed it to pageant. Still doesn't work.
Left it BLANK. It worked.
Ref: http://dev-heaven.net/boards/22/topics/show/356

Tuesday, May 4, 2010

Hibernate exception in Grails-1.2.1 when working with services and quartz cron jobs

Happens when we instantiate a service using new operator.

grails ERROR [PatchedDefaultFlushEventListener][] Could not synchronize database state with sessionorg.hibernate.HibernateException: No Hibernate Session bound to thread, and configuration does not allow creation of non-transactional one here

http://jira.codehaus.org/browse/GRAILSPLUGINS-1776?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel#issue-tabs : syas that it happens when making changes to unsaved domain object in a background thread

http://jira.codehaus.org/browse/GRAILSPLUGINS-1807
http://jira.codehaus.org/browse/GRAILSPLUGINS-1808? page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel#issue-tabs

What worked for me:
Within the service' method being called inject hibernate SessionFactory as follows

http://stackoverflow.com/questions/1898684/in-grails-how-do-i-access-the-hibernate-session-inside-of-a-domain-class-static-m

import org.codehaus.groovy.grails.commons.ApplicationHolder as AH
class BlahService{
 blahMethod(){
  def ctx = AH.application.mainContext
  def sessionFactory = ctx.sessionFactory
  def session = sessionFactory.currentSession

  blah blah blah code containing GORM usage

  session.flush()
  session.clear() //optional
 }
}