http://bbs.csdn.net/topics/390838736
----这个文件在org.springframework.core包下
org.springframework.context.annotation.AnnotationConfigBeanDefinitionParser自動檢測，jdk版本檢測時需要jre1.5以上版本，但是JdkVersion只檢查到了1.7，jre1.8 時不匹配任何jdk, 修正如下，問題解决
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;
//for jre 1.8
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 {
//for jre 1.8
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;
}
}
}
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