A second cause could be that the PersistenceService has not been started
yet.
The persistence service is started by the PersistFiler.init() method.
Unfortunately there is no way of checking if the PersistanceService is
already started. And trying to start it twice will cause an exception
the
OK, this is easy to fix.
Guice JPA needs a running UnitOfWork in order to function. The
UnitOfWork is a thread local context and therefore needs to be started
and stopped for every thread which wants to make use of JPA.
Be advised that you must end the UnitOfWork because starting it a second
On Friday, December 1, 2017 at 8:18:46 PM UTC-2, Diogo Luzzardi de Carvalho
wrote:
>
> java.lang.NullPointerException
>
> at com.google.inject.persist.jpa.JpaPersistService.begin(
> JpaPersistService.java:77)
>
> at com.google.inject.persist.jpa.JpaLocalTxnInterceptor.invoke(
>
Can you please give more of the stack trace (all of it).
Because the cause of this NPE is different depending on where the call
comes from.
On 01.12.2017 20:27, Diogo Luzzardi de Carvalho wrote:
The following exception is ocorring for me:
|
java.lang.NullPointerException
at
The following exception is ocorring for me:
java.lang.NullPointerException
at com.google.inject.persist.jpa.JpaPersistService.begin(
JpaPersistService.java:77)
at com.google.inject.persist.jpa.JpaLocalTxnInterceptor.invoke(
JpaLocalTxnInterceptor.java:53)
Follows my
