Spring/Java error: namespace element 'annotation-config' … on JDK 1.5 and higher
Extract the jar file:
mkdir spring
cd spring
jar xvf ../spring.jar
Check the Spring version in META-INF/MANIFEST.MF
(you should see something like version=2.5.5
). Look up the appropriate version of JdkVersion.java
and use that as a starting point (the example below is for Spring 2.5.5 and you don't want to change any method signatures from the version you're working with).
Check the major and minor version of the JdkVersion.class
file:
javap -verbose org/springframework/core/JdkVersion.class
We see that the class was original compiled as target 48.0 (looking this up, we find that is Java 1.4):
Classfile /tmp/spring/org/springframework/core/JdkVersion.class
Last modified Jun 23, 2008; size 1286 bytes
MD5 checksum 98e6ea08ce9186c50cc71d14465fc3dd
Compiled from "JdkVersion.java"
public abstract class org.springframework.core.JdkVersion
minor version: 0
major version: 48
flags: ACC_PUBLIC, ACC_SUPER, ACC_ABSTRACT
Constant pool:
...
Create org/springframework/core/JdkVersion.java
with the following content:
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;
private static final String javaVersion;
private static final int majorJavaVersion;
static
{
javaVersion = System.getProperty("java.version");
if (javaVersion.indexOf("1.7.") != -1)
{
majorJavaVersion = JAVA_17;
} else if (javaVersion.indexOf("1.6.") != -1) {
majorJavaVersion = JAVA_16;
} else if (javaVersion.indexOf("1.5.") != -1) {
majorJavaVersion = JAVA_15;
} else if (javaVersion.indexOf("1.4.") != -1) { // new
majorJavaVersion = JAVA_14; // new
} else {
majorJavaVersion = JAVA_17; // changed from JAVA_14
}
}
public static String getJavaVersion()
{
return javaVersion;
}
public static int getMajorJavaVersion()
{
return majorJavaVersion;
}
public static boolean isAtLeastJava14()
{
return true;
}
public static boolean isAtLeastJava15()
{
return getMajorJavaVersion() >= JAVA_15;
}
public static boolean isAtLeastJava16()
{
return getMajorJavaVersion() >= JAVA_16;
}
}
Then compile the new class as Java 1.4:
javac -source 1.4 org/springframework/core/JdkVersion.java
You can check the major.minor version again as above if needed.
Create the modified jar file (without overwriting the original manifest):
jar Mcf ../spring-modified.jar *
Copy the modified jar file where needed (as spring.jar
or as appropriate).
https://stackoverflow.com/questions/23813369/spring-java-error-namespace-element-annotation-config-on-jdk-1-5-and-high/29647933#29647933
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