Did you define persistence unit settings in your persistence.xml file? You need to name the persistence unit and use that name while creating the PMF. Can you post the code and your persistence.xml file?
Also try fixing the spelling: you added an extra A (it should be "transactions-optional" not "transaction*a*s-optional" ----------------- -Vinny P Technology & Media Advisor Chicago, IL My Go side project: http://invalidmail.com/ On Thursday, May 30, 2013 12:39:49 AM UTC-5, Raghu rao wrote: > > Hi, > > I am trying to store a file in Datastore in the form blob. while running > the code am facing the below error. > anybody knows why this error is throwing? pls advice me on this to resolve > this issue. > > javax.jdo.JDOUserException: You have either specified for this PMF to use a > "persistence-unit" of "transactionas-optional" (yet this doesnt exist!) or > you called JDOHelper.getPersistenceManagerFactory with > "transactionas-optional" as the name of a properties file (and this doesnt > exist in the CLASSPATH) > at > org.datanucleus.api.jdo.JDOPersistenceManagerFactory.<init>(JDOPersistenceManagerFactory.java:446) > at > org.datanucleus.api.jdo.JDOPersistenceManagerFactory.createPersistenceManagerFactory(JDOPersistenceManagerFactory.java:294) > at > org.datanucleus.api.jdo.JDOPersistenceManagerFactory.getPersistenceManagerFactory(JDOPersistenceManagerFactory.java:195) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:601) > at > com.google.appengine.tools.development.agent.runtime.Runtime.invoke(Runtime.java:115) > at javax.jdo.JDOHelper$16.run(JDOHelper.java:1965) > at java.security.AccessController.doPrivileged(Native Method) > > -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/google-appengine?hl=en. For more options, visit https://groups.google.com/groups/opt_out.
