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JPA Constructor in javax.persistence. NoResultException NoResultException (   String message ) Constructs a new NoResultException exception with the specified detail message. Parameters: message the - detail message. Since: JPA 1.0

JPA Constructor in javax.persistence. NoResultException NoResultException () Constructs a new NoResultException exception with null as its detail message. Since: JPA 1.0

JPA Exception NoResultException java.lang.Object ∟  java.lang.Throwable ∟  java.lang ... ; javax.persistence. NoResultException Thrown by the persistence provider when Query.getSingleResult() or ... NoResultException () Constructs a new NoResultException exception with null as its detail message. Since: JPA 1.0

.RuntimeException: com.objectdb.o._ NoResultException : No matching results for a unique query at org.jboss.seam ... ._ NoResultException : No matching results for a unique query at com.objectdb.o.JPE.g(JPE.java:100

), a NonUniqueResultException is thrown. On the other hand, if there are no results at all a NoResultException is thrown

.LockTimeoutException javax.persistence.NonUniqueResultException javax.persistence. NoResultException

I am very often getting a "com.objectdb.o._ NoResultException : No matching results for a unique query" when modifying my already persisted entities within a transaction. I cannot replicate ... of that exception? It is clear that you get a NoResultException that you do not expect. A test case

( NoResultException e) { return null; } } public long howManyItemsExist(EntityManager em) { TypedQuery q = em ... q.getSingleResult(); } catch (javax.persistence. NoResultException ex) { return -1; } } private ... . NoResultException ex) {    return -1;   } } I will attempt to reproduce this in

. NoResultException {         Query q = em.createQuery("SELECT t FROM Unit ... .exceptions. NoResultException ("No unit found!", ex);        

transaction. e.g. in the following code the NoResultException is correctly thrown on the first occasion ... ("here"); } MyObject myObject; try { myObject = query.getSingleResult(); } catch ( NoResultException ex

-Jar xyz.jar", I get either empty results or on some cases a " NoResultException " which appears ... Hansen Empty results or  NoResultException may be caused by accessing an empty database. In

with the query. Return: the result or null if the next item is not a result set Throws: NoResultException

JPA Method in javax.persistence.Query Object getSingleResult () Execute a SELECT query that returns a single untyped result. Return: the result Throws: NoResultException - if there is no result NonUniqueResultException - if more than one result IllegalStateException - if called for a Java

JPA Method in javax.persistence.TypedQuery X getSingleResult () Execute a SELECT query that returns a single result. Return: the result Throws: NoResultException - if there is no result NonUniqueResultException - if more than one result IllegalStateException - if called for a Java Persistence

: NoResultException - if there is no result NonUniqueResultException - if more than one result

that returns a single result. Return: the result Throws: NoResultException - if there is no result

except for instances of NoResultException , NonUniqueResultException , LockTimeoutException

is not a result set Throws: NoResultException - if there is no result in the next result set

;  @Transactional     public void deleteUnitTest() throws NoResultException {  

(); } catch ( NoResultException e) { item = new ItemList(); item.setTaskid(iTask); } I have to commit

; NoResultException to be thrown, and coded to handle that as an empty result. What's really getting thrown

.persistence. NoResultException ex) { return -1; } } } mport java.io.Serializable; import javax

; return q.getSingleResult();   } catch (javax.persistence. NoResultException ex) {   

I try to create a factory that creates new objects just in case it doesn't find the relevant one in the DB. but because query.getSingleResult() fires NoResultException in that case it marks the transaction as one that need to be rolled back. I understood that I can overcome it in several ways

.persistence. NoResultException ex) { return -1; } } } import java.io.Serializable; import javax

2.4.6] javax.persistence. NoResultException " "No matching results for a unique query (error 782

(); } catch (javax.persistence. NoResultException nre) { } finally {      em.close(); } I