Which Java version

[fohnbit]

Hello!

I want to write a plugin for a software. But With "add to Build Path" I get a error when I start the software. It could not find the reference.

Is there maybe a minimum or maximum java version?

Thank you!

[fohnbit]

I use kryonet-2.21-all.jar in my Build Path!

Here are the error: org.osgi.framework.BundleException: Exception in at.multiserver.Activator.start() of bundle at.multiserver. at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:806) at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:755) at org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:370) at org.eclipse.osgi.framework.internal.core.AbstractBundle.resume(AbstractBundle.java:374) at org.eclipse.osgi.framework.internal.core.Framework.resumeBundle(Framework.java:1067) at org.eclipse.osgi.framework.internal.core.StartLevelManager.setBundleSL(StartLevelManager.java:695) at org.eclipse.osgi.framework.internal.core.StartLevelManager.dispatchEvent(StartLevelManager.java:437) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:227) at org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.run(EventManager.java:337) Caused by: java.lang.NoClassDefFoundError: com/esotericsoftware/kryonet/Listener at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Unknown Source) at at.anext.os.firmware.devsupport.XMLNodeDesc.buildNodeDesc(XMLNodeDesc.java:297) at at.anext.os.firmware.devsupport.XMLNodeDesc.(XMLNodeDesc.java:30) at at.anext.os.firmware.devsupport.AbstractActivator.registerXMLDescriptions(AbstractActivator.java:103) at at.anext.os.firmware.devsupport.AbstractActivator.start(AbstractActivator.java:71) at org.eclipse.osgi.framework.internal.core.BundleContextImpl$1.run(BundleContextImpl.java:783) at java.security.AccessController.doPrivileged(Native Method) at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:774) ... 8 more Caused by: java.lang.ClassNotFoundException: com.esotericsoftware.kryonet.Listener at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:506) at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:422) at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:410) at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107) at java.lang.ClassLoader.loadClass(Unknown Source) ... 17 more Root exception: java.lang.NoClassDefFoundError: com/esotericsoftware/kryonet/Listener at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Unknown Source) at at.anext.os.firmware.devsupport.XMLNodeDesc.buildNodeDesc(XMLNodeDesc.java:297) at at.anext.os.firmware.devsupport.XMLNodeDesc.(XMLNodeDesc.java:30) at at.anext.os.firmware.devsupport.AbstractActivator.registerXMLDescriptions(AbstractActivator.java:103) at at.anext.os.firmware.devsupport.AbstractActivator.start(AbstractActivator.java:71) at org.eclipse.osgi.framework.internal.core.BundleContextImpl$1.run(BundleContextImpl.java:783) at java.security.AccessController.doPrivileged(Native Method) at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:774) at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:755) at org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:370) at org.eclipse.osgi.framework.internal.core.AbstractBundle.resume(AbstractBundle.java:374) at org.eclipse.osgi.framework.internal.core.Framework.resumeBundle(Framework.java:1067) at org.eclipse.osgi.framework.internal.core.StartLevelManager.setBundleSL(StartLevelManager.java:695) at org.eclipse.osgi.framework.internal.core.StartLevelManager.dispatchEvent(StartLevelManager.java:437) at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:227) at org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.run(EventManager.java:337) Caused by: java.lang.ClassNotFoundException: com.esotericsoftware.kryonet.Listener at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:506) at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:422) at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:410) at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107) at java.lang.ClassLoader.loadClass(Unknown Source) ... 17 more