如何使用OpenJDK 7编译mavenized OSGi 4.3包? [英] How to compile mavenized OSGi 4.3 bundle with OpenJDK 7?
问题描述
我正在尝试使用OpenJDK7针对OSGi规范4.3编译我的OSGi包但我收到错误:
i am trying to compile my OSGi bundle against OSGi specification 4.3 using OpenJDK7 but i am getting error:
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:2.5:compile (default-compile) on project example: Compilation failure
[ERROR] /tmp/baka/example/src/main/java/org/example/Activator.java:[14,24] error: type ServiceReference does not take parameters
这是我的Activator.java:
here is my Activator.java:
package org.example;
import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceReference;
public class Activator implements BundleActivator {
@Override
public void start(BundleContext bundleContext) throws Exception {
ServiceReference<Runnable> ref = bundleContext.getServiceReference(Runnable.class);
}
@Override
public void stop(BundleContext bundleContext) throws Exception {
}
}
和我的pom.xml:
and my pom.xml:
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>org.example</groupId>
<artifactId>example</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>bundle</packaging>
<name>example</name>
<url>http://maven.apache.org</url>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
<dependencies>
<dependency>
<groupId>org.osgi</groupId>
<artifactId>org.osgi.core</artifactId>
<version>4.3.0</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.apache.felix</groupId>
<artifactId>maven-bundle-plugin</artifactId>
<version>2.3.7</version>
<extensions>true</extensions>
<configuration>
<instructions>
<Private-Package>org.example</Private-Package>
<Bundle-Activator>org.example.Activator</Bundle-Activator>
</instructions>
</configuration>
</plugin>
</plugins>
</build>
</project>
当我使用OpenJDK 6时,不会出现此错误。任何提示如何使用OpenJDK 7?
This error is not appears when i am using OpenJDK 6. Any hints how to get it working with OpenJDK 7?
推荐答案
您需要使用Java 7中的javac重新编译OSGi源代码.OSGi使用Java 6 javac编译代码-target jsr14。 Java 7 javac删除了对这些类文件进行编译的支持: http://bugs.sun.com/bugdatabase/ view_bug.do?bug_id=7078419
You need to recompile the OSGi source code with javac from Java 7. OSGi compiled the code with Java 6 javac using -target jsr14. Java 7 javac removed support for compiling against such class files: http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=7078419
从R5开始,OSGi将不再发送-target jsr14类文件。
Starting with R5, OSGi will no longer ship -target jsr14 class files.
[2012年10月31日更新]
[Updated 31 Oct 2012]
OSGi现在为Java 7提供了重新编译的4.3 jar文件。请参阅 http://blog.osgi.org/2012/10/43-companion-code-for-java-7。 html
OSGi has now provided recompiled 4.3 jar files for Java 7. See http://blog.osgi.org/2012/10/43-companion-code-for-java-7.html
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