java.lang.NullPointerException: This exception has no message.

Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Samebug tips

Do you know how to solve this issue? Write a tip to help other users and build your expert profile.

Solutions on the web

via isis-users by Óscar Bou, 1 year ago
This exception has no message.
via isis-users by Óscar Bou, 1 year ago
This exception has no message.
via isis-users by Óscar Bou, 1 year ago
This exception has no message.
via isis-users by Óscar Bou, 1 year ago
This exception has no message.
via isis-users by Dan Haywood, 4 months ago
This exception has no message.
java.lang.NullPointerException:
at org.apache.isis.objectstore.jdo.datanucleus.service.support.TimestampService.close(TimestampService.java:48)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at org.apache.isis.core.commons.lang.MethodExtensions.invoke(MethodExtensions.java:53)
at org.apache.isis.core.commons.lang.MethodExtensions.invoke(MethodExtensions.java:47)
at org.apache.isis.core.runtime.services.ServiceInstantiator.callPreDestroyIfPresent(ServiceInstantiator.java:277)
at org.apache.isis.core.runtime.services.ServiceInstantiator$2.invoke(ServiceInstantiator.java:195)
at org.apache.isis.objectstore.jdo.datanucleus.service.support.TimestampService_$$_jvst8a_5.__isis_preDestroy(TimestampService_$$_jvst8a_5.java)
at org.apache.isis.core.runtime.system.transaction.IsisTransactionManager.endRequestOnRequestScopeServices(IsisTransactionManager.java:331)
at org.apache.isis.core.runtime.system.transaction.IsisTransactionManager.endTransaction(IsisTransactionManager.java:514)
at org.apache.isis.core.runtime.system.transaction.IsisTransactionManager.executeWithinTransaction(IsisTransactionManager.java:218)
at org.apache.isis.core.runtime.transaction.facets.ActionInvocationFacetWrapTransaction.invoke(ActionInvocationFacetWrapTransaction.java:59)
at org.apache.isis.core.metamodel.specloader.specimpl.ObjectActionDefault.execute(ObjectActionDefault.java:363)
at org.apache.isis.core.wrapper.handlers.DomainObjectInvocationHandler.handleActionMethod(DomainObjectInvocationHandler.java:625)
at org.apache.isis.core.wrapper.handlers.DomainObjectInvocationHandler.invoke(DomainObjectInvocationHandler.java:260)
at org.apache.isis.core.wrapper.proxy.ProxyCreator$1.invoke(ProxyCreator.java:72)
at sales.dom.backend.SupplierRepository_$$_jvst8a_b.theSupplierSupplier(SupplierRepository_$$_jvst8a_b.java)
at sales.dom.Supplier.SupplierProductService.upsertProductFromSupplier(SupplierProductService.java:61)
at sales.fixture.Supplier.UpsertAllProductsFromSupplier.lambda$0(UpsertAllProductsFromSupplier.java:28)

Users with the same issue

You are the first who have seen this exception. Write a tip to help other users and build your expert profile.

Write tip

Know the solutions? Share your knowledge to help other developers to debug faster.