org.springframeword.beans.factory.BeanDefinitionStoreException解決方法
eclipse 環境下:
今天在執行JUnit的時候報了個錯誤:
org.springframework.beans.factory.BeanDefinitionStoreException: Unexpected exception parsing XML document from class path resource [beans.xml]; nested exception is java.lang.IllegalStateException: Context namespace element 'component-scan' and its parser class [org.springframework.context.annotation.ComponentScanBeanDefinitionParser] are only available on JDK 1.5 and higher
網上查找了下:說是spring開發包與專案使用的jdk衝突,我使用的spring版本是2.5.5的,而jdk是1.8,
因為兩者不相容,spring jar包裡的 jdkVersion.class檔案裡沒有jdk1.8版本支援,所以會有報請使用jdk1.5或更高的版本
的報錯提示;
第一種方法:
解決方法:下載安裝jdk1.8以下版本
在eclipse視窗找到 Window->Preferences->Java->Compiler-修改Compiler compliance level:為1.7(比1.8低)
接著在Window->Properties->Java->Installed JREs下更換JRE版本,這裡我更換為1.7版本
隨後滑鼠右擊專案,找到Properties->Java Compiler修改修改Compiler compliance level:為1.7(比1.8低)
隨後滑鼠右擊專案,找到Properties->Project Facets 修改複選框✔下的Java,將其改為1.7版本
接著在右擊專案,選擇Build Path->Configure Build Path..根據下圖 進行操作
選擇我更換的jdk1.7版本 隨後Finish即可;
接著根據下圖進行操作
如果上一步不進行操作的話,程式可能能夠執行得出結果,但是後臺還是會報錯
此時專案不報錯。
這是一種解決方法,還有另外一種解決的方法:就是修改spring jar包下的core目錄下org.springframework.core(路徑根據自己是什麼版本而進行查詢)的jdkVersion中的原始碼,為其增加1.8版本的識別支援。
第二種方法:
解決方法:在專案中新建個Java類,類名為jdkVersion;
package org.springframework.core;
public abstract class JdkVersion {
public static final int JAVA_13 = 0;
public static final int JAVA_14 = 1;
public static final int JAVA_15 = 2;
public static final int JAVA_16 = 3;
public static final int JAVA_17 = 4;
public static final int JAVA_18 = 5;
private static final String javaVersion = System
.getProperty("java.version");
private static final int majorJavaVersion;
public static String getJavaVersion() {
return javaVersion;
}
public static int getMajorJavaVersion() {
return majorJavaVersion;
}
public static boolean isAtLeastJava14() {
return true;
}
public static boolean isAtLeastJava15() {
return getMajorJavaVersion() >= 2;
}
public static boolean isAtLeastJava16() {
return getMajorJavaVersion() >= 3;
}
static {
if (javaVersion.indexOf("1.8.") != -1) {
majorJavaVersion = 5;
}else if (javaVersion.indexOf("1.7.") != -1) {
majorJavaVersion = 4;
} else if (javaVersion.indexOf("1.6.") != -1) {
majorJavaVersion = 3;
} else if (javaVersion.indexOf("1.5.") != -1) {
majorJavaVersion = 2;
} else {
majorJavaVersion = 1;
}
}
}
隨後通過編譯後在專案的工作目錄下找到專案路徑:WEB-INF/classes下的jdkVersion.class檔案
接著在org.springframework.core包下替換jdkVersion.class檔案
修改後的spring jar包要重新匯入專案,重新整理專案,此時問題也解決了。
第三種方法:
還有一種解決方法:就是更換spring版本為4.1以上;
下面是我後臺的報錯:
org.springframework.beans.factory.BeanDefinitionStoreException: Unexpected exception parsing XML document from class path resource [beans.xml]; nested exception is java.lang.IllegalStateException: Context namespace element 'component-scan' and its parser class [org.springframework.context.annotation.ComponentScanBeanDefinitionParser] are only available on JDK 1.5 and higher
at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:420)
at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:342)
at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:310)
at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:143)
at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:178)
at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:149)
at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:212)
at org.springframework.context.support.AbstractXmlApplicationContext.loadBeanDefinitions(AbstractXmlApplicationContext.java:113)
at org.springframework.context.support.AbstractXmlApplicationContext.loadBeanDefinitions(AbstractXmlApplicationContext.java:80)
at org.springframework.context.support.AbstractRefreshableApplicationContext.refreshBeanFactory(AbstractRefreshableApplicationContext.java:123)
at org.springframework.context.support.AbstractApplicationContext.obtainFreshBeanFactory(AbstractApplicationContext.java:423)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:353)
at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:139)
at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:83)
at junit.TestDao.saveElecText(TestDao.java:15)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
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:86)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:538)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:760)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:460)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:206)
Caused by: java.lang.IllegalStateException: Context namespace element 'component-scan' and its parser class [org.springframework.context.annotation.ComponentScanBeanDefinitionParser] are only available on JDK 1.5 and higher
at org.springframework.context.config.ContextNamespaceHandler$1.parse(ContextNamespaceHandler.java:65)
at org.springframework.beans.factory.xml.NamespaceHandlerSupport.parse(NamespaceHandlerSupport.java:69)
at org.springframework.beans.factory.xml.BeanDefinitionParserDelegate.parseCustomElement(BeanDefinitionParserDelegate.java:1255)
at org.springframework.beans.factory.xml.BeanDefinitionParserDelegate.parseCustomElement(BeanDefinitionParserDelegate.java:1245)
at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.parseBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:135)
at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.registerBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:92)
at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.registerBeanDefinitions(XmlBeanDefinitionReader.java:507)
at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:398)
... 37 more