NonUniqueResultException (Java EE 5)

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javax.persistence Class NonUniqueResultException

java.lang.Object
  java.lang.Throwable
      java.lang.Exception
          java.lang.RuntimeException
              javax.persistence.PersistenceException
                  javax.persistence.NonUniqueResultException

All Implemented Interfaces:: Serializable

public class NonUniqueResultException
extends PersistenceException

Extends: Throwable > Exception > RuntimeException > PersistenceException

对查询执行 getSingleResult getSingleResult()，但查询得到多个结果时，持久性提供者将抛出此异常。此异常不会导致当前事务（如果存在活动的事务）被标记为回滚。

since

Java Persistence 1.0

See also

getSingleResult()

英文文档：

Thrown by the persistence provider when getSingleResult() is executed on a query and there is more than one result from the query. This exception will not cause the current transaction, if one is active, to be marked for roll back.

Since:: Java Persistence 1.0
See Also:: Query.getSingleResult(), Serialized Form

Constructor Summary
`NonUniqueResultException()` Constructs a new `NonUniqueResultException` exception with `null` as its detail message.
`NonUniqueResultException(String message)` Constructs a new `NonUniqueResultException` exception with the specified detail message.

Method Summary

Methods inherited from class java.lang.Throwable
`fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Constructor Detail

public NonUniqueResultException()
构造详细消息为 `null` 的新 `NonUniqueResultException` 异常。

英文文档：
NonUniqueResultException

public NonUniqueResultException()

Constructs a new NonUniqueResultException exception with null as its detail message.

public NonUniqueResultException(String message)
构造带指定详细消息的新 `NonUniqueResultException` 异常。

message 详细消息。

英文文档：
NonUniqueResultException

public NonUniqueResultException(String message)

Constructs a new NonUniqueResultException exception with the specified detail message.

Parameters:: message - the detail message.