export runnable JAR files from within eclipse [SPR-17544]

[spring-projects-issues]

huangliusong opened SPR-17544 and commented

Spring-based project to export into a jar to do then, the second option of eclipse is used to derive the executable jar, couldn't find the namespace, normal, in the eclipse runtime is derived when won't run, https://gitee.com/huangliusong/demo2 this is the source code, hope you glad

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No further details from SPR-17544

[spring-projects-issues]

huangliusong commented

Spring-based project to export into a jar to do then, the second option of eclipse is used to derive the executable jar, couldn't find the namespace, normal, in the eclipse runtime is derived when won't run, https://gitee.com/huangliusong/demo2 this is the source code, hope you glad

[spring-projects-issues]

huangliusong commented

These are exception messages when it run

 

huangliusng:Desktop liusonghuang$ java -jar aaa.jar 

Error: A JNI error has occurred, please check your installation and try again

Exception in thread "main" java.lang.NoClassDefFoundError: org/springframework/context/ApplicationContext

at java.lang.Class.getDeclaredMethods0(Native Method)

at java.lang.Class.privateGetDeclaredMethods(Class.java:2701)

at java.lang.Class.privateGetMethodRecursive(Class.java:3048)

at java.lang.Class.getMethod0(Class.java:3018)

at java.lang.Class.getMethod(Class.java:1784)

at sun.launcher.LauncherHelper.validateMainClass(LauncherHelper.java:544)

at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:526)

Caused by: java.lang.ClassNotFoundException: org.springframework.context.ApplicationContext

at java.net.URLClassLoader.findClass(URLClassLoader.java:381)

at java.lang.ClassLoader.loadClass(ClassLoader.java:424)

at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349)

at java.lang.ClassLoader.loadClass(ClassLoader.java:357)

... 7 more

[spring-projects-issues]

Zhang Jie commented

If you want to run spring-based project with command "java -jar aaa.jar", you must specify the dependencies jar using -classpath, or you can package a "fat" jar whitch contains all dependencies in one single jar. I see that you are using maven, you can try Maven Assembly Plugin and package jar using maven instead of eclipse.Or you can simply use spring-boot.

[spring-projects-issues]

huangliusong commented

Thank you for your reply,Because of technical requirements that we cannot build projects using maven, we cannot use maven's packaged plug-ins.we can't use springboot to build projects either.How can I package a ''fat'' jar?

[spring-projects-issues]

Stéphane Nicoll commented

This looks like more a question than a bug report and we don't use the issue tracker for that. Please use StackOverflow.

[spring-projects-issues]

huangliusong commented

ok ，you are right