我目前正在打一個很奇怪的問題。我基本上想要做的是使用Bean驗證來驗證一些(非JPA)對象。然而,隨着對象的類的生成,我暫時堅持用xml定義驗證。 因爲它是參考實現,所以我使用hibernate-validator,將必要的maven依賴項添加到項目中,並組成一個簡單的xml驗證映射和一個測試。hibernate-validator奇怪的IOException:流關閉
當測試被執行,我得到一個異常
javax.validation.ValidationException: HV000123: Unable to parse META-INF/validation.xml.
at org.hibernate.validator.internal.xml.XmlParserHelper.getSchemaVersion(XmlParserHelper.java:112)
...
Caused by: java.io.IOException: Stream closed
at java.io.BufferedInputStream.getBufIfOpen(BufferedInputStream.java:156)
at java.io.BufferedInputStream.reset(BufferedInputStream.java:425)
at org.hibernate.validator.internal.xml.XmlParserHelper.getSchemaVersion(XmlParserHelper.java:109)
... 29 more
有趣的是,IOException異常在finally塊在XmlParserHelper.getSchemaVersion(...)拋出。這裏發生了什麼?這可能是導致此錯誤的原因?以下是關於設置的更多信息。
文件位於的src /主/資源/ META-INF(validation.xml中和constraints.xml)的驗證和如下所示:
validation.xml中:
<validation-config xmlns="http://jboss.org/xml/ns/javax/validation/configuration"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://jboss.org/xml/ns/javax/validation/configuration">
<default-provider>org.hibernate.validator.HibernateValidator</default-provider>
<message-interpolator>org.hibernate.validator.engine.ResourceBundleMessageInterpolator</message-interpolator>
<traversable-resolver>org.hibernate.validator.engine.resolver.DefaultTraversableResolver</traversable-resolver>
<constraint-validator-factory>org.hibernate.validator.engine.ConstraintValidatorFactoryImpl</constraint-validator-factory>
<constraint-mapping>/constraints.xml</constraint-mapping>
</validation-config>
約束。 XML:
<constraint-mappings xmlns="http://jboss.org/xml/ns/javax/validation/mapping"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://jboss.org/xml/ns/javax/validation/mapping validation-mapping-1.1.xsd">
<default-package>com.nano</default-package>
<bean class="Person">
<field name="familyName">
<constraint annotation="javax.validation.constraints.Size">
<element name="min">4</element>
</constraint>
</field>
</bean>
</constraint-mappings>
該項目相關的Maven依賴關係:
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-validator</artifactId>
<version>5.1.3.Final</version>
</dependency>
<dependency>
<groupId>javax.el</groupId>
<artifactId>javax.el-api</artifactId>
<version>2.2.4</version>
</dependency>
中發生的異常是一個非常基本的證明了概念測試,做以下測試:
Person p = new Person();
p.setFamilienName("x");
Validator validator = Validation.buildDefaultValidatorFactory().getValidator();
Set<ConstraintViolation<Person>> violations = validator.validate(p);
assertEquals(1, violations);
這是否僅在執行測試時發生?你的設置是什麼?你如何調用Validator? – Hardy 2014-10-29 17:27:53
這個問題發生在一個非常簡單的概念驗證測試中,真的不是很多。我已將測試代碼添加到上述問題描述中。 – nanoquack 2014-10-30 20:02:11
嗯,我似乎是唯一有這個問題;-) – nanoquack 2014-11-17 09:59:29