org.hibernate.QueryException: Space is not allowed after parameter prefix ':'解决

最新推荐文章于 2022-10-09 15:16:45 发布

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最新推荐文章于 2022-10-09 15:16:45 发布

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文章标签： java 开发工具数据库

本文介绍了一个在使用Hibernate框架时遇到的参数定义错误导致的异常情况。具体表现为在SQL语句中参数占位符':n'前后误加空格，导致程序抛出org.hibernate.QueryException异常。通过调整SQL语句中参数的格式，成功解决了该问题。

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环境

Eclipse Indigo + Hibernate3.2 + Oracle 11g R2 + SQLPlus

问题

运行Hibernate程序，报如下异常

org.hibernate.QueryException: Space is not allowed after parameter prefix ':' [select id from contactor where name =: n]
	at org.hibernate.engine.query.ParameterParser.parse(ParameterParser.java:92)
	at org.hibernate.engine.query.ParamLocationRecognizer.parseLocations(ParamLocationRecognizer.java:75)
	at org.hibernate.engine.query.QueryPlanCache.buildNativeSQLParameterMetadata(QueryPlanCache.java:149)
	at org.hibernate.engine.query.QueryPlanCache.getSQLParameterMetadata(QueryPlanCache.java:79)
	at org.hibernate.impl.AbstractSessionImpl.createSQLQuery(AbstractSessionImpl.java:146)
	at org.hibernate.impl.SessionImpl.createSQLQuery(SessionImpl.java:1657)
	at com.addbook.dao.impl.ContactorDaoImpl.getContactorId(ContactorDaoImpl.java:90)
	at com.addbook.service.impl.ContactorServiceImpl.getContactorId(ContactorServiceImpl.java:58)
	at com.addbook.dao.impl.TestContactor.testGetContactorId(TestContactor.java:71)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
	at org.junit.runners.BlockJUnit4ClassRunner.runNotIgnored(BlockJUnit4ClassRunner.java:79)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:71)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:49)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
	at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
	at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)

解决

引用占位符的前后不允许有空格。

sql = "select id from contactor where name=:n";