I get three different errors, either via freenet or website. Two of them are that the plugin cannot be loaded: one says that version is too low, 3 required but plugin is 2.
Second is this one, from wrapper.log: 17693 INFO | jvm 2 | 2011/03/31 12:32:07 | Downloading plugin /tmp/Freetalk.jar-1301567478126 17694 INFO | jvm 2 | 2011/03/31 12:32:08 | Could not load plugin /tmp/Freetalk.jar-1301567478126 : java.lang.IllegalArgumentException 17695 INFO | jvm 2 | 2011/03/31 12:32:08 | java.lang.IllegalArgumentException 17696 INFO | jvm 2 | 2011/03/31 12:32:08 | at com.db4o.internal.LocalObjectContainer.readReaderOrWriterByID(LocalObjectContainer.java:473) 17697 INFO | jvm 2 | 2011/03/31 12:32:08 | at com.db4o.internal.LocalObjectContainer.readReaderByID(LocalObjectContainer.java:458) 17698 INFO | jvm 2 | 2011/03/31 12:32:08 | at com.db4o.internal.LocalObjectContainer.readReaderByID(LocalObjectContainer.java:462) 17699 INFO | jvm 2 | 2011/03/31 12:32:08 | at com.db4o.internal.btree.BTreeNode.prepareRead(BTreeNode.java:665) 17700 INFO | jvm 2 | 2011/03/31 12:32:08 | at com.db4o.internal.btree.BTreeNode.traverseKeys(BTreeNode.java:1011) 17701 INFO | jvm 2 | 2011/03/31 12:32:08 | at com.db4o.internal.btree.BTreeNode.traverseKeys(BTreeNode.java:1021) 17702 INFO | jvm 2 | 2011/03/31 12:32:08 | at com.db4o.internal.btree.BTreeNode.traverseKeys(BTreeNode.java:1021) 17703 INFO | jvm 2 | 2011/03/31 12:32:08 | at com.db4o.internal.btree.BTree.traverseKeys(BTree.java:357) 17704 INFO | jvm 2 | 2011/03/31 12:32:08 | at com.db4o.internal.classindex.BTreeClassIndexStrategy.traverseAll(BTreeClassIndexStrategy.java:70) 17705 INFO | jvm 2 | 2011/03/31 12:32:08 | at com.db4o.internal.query.result.IdListQueryResult.loadFromClassIndex(IdListQueryResult.java:110) 17706 INFO | jvm 2 | 2011/03/31 12:32:08 | at com.db4o.internal.LocalObjectContainer.classOnlyQuery(LocalObjectContainer.java:851) 17707 INFO | jvm 2 | 2011/03/31 12:32:08 | at com.db4o.internal.query.processor.QQueryBase.classOnlyQuery(QQueryBase.java:370) 17708 INFO | jvm 2 | 2011/03/31 12:32:08 | at com.db4o.internal.query.processor.QQueryBase.getQueryResult(QQueryBase.java:339) 17709 INFO | jvm 2 | 2011/03/31 12:32:08 | at com.db4o.internal.query.processor.QQueryBase.execute(QQueryBase.java:328) 17710 INFO | jvm 2 | 2011/03/31 12:32:08 | at plugins.Freetalk.Persistent$InitializingObjectSet.<init>(Persistent.java:385) 17711 INFO | jvm 2 | 2011/03/31 12:32:08 | at plugins.Freetalk.Freetalk.databaseIntegrityTest(Freetalk.java:392) 17712 INFO | jvm 2 | 2011/03/31 12:32:08 | at plugins.Freetalk.Freetalk.runPlugin(Freetalk.java:165) 17713 INFO | jvm 2 | 2011/03/31 12:32:08 | at freenet.pluginmanager.PluginHandler.startPlugin(PluginHandler.java:44) 17714 INFO | jvm 2 | 2011/03/31 12:32:08 | at freenet.pluginmanager.PluginManager.realStartPlugin(PluginManager.java:402) 17715 INFO | jvm 2 | 2011/03/31 12:32:08 | at freenet.pluginmanager.PluginManager.startPluginFile(PluginManager.java:375) 17716 INFO | jvm 2 | 2011/03/31 12:32:08 | at freenet.clients.http.PproxyToadlet.handleMethodPOST(PproxyToadlet.java:148) 17717 INFO | jvm 2 | 2011/03/31 12:32:08 | at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 17718 INFO | jvm 2 | 2011/03/31 12:32:08 | at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) 17719 INFO | jvm 2 | 2011/03/31 12:32:08 | at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) 17720 INFO | jvm 2 | 2011/03/31 12:32:08 | at java.lang.reflect.Method.invoke(Method.java:597) 17721 INFO | jvm 2 | 2011/03/31 12:32:08 | at freenet.clients.http.ToadletContextImpl.handle(ToadletContextImpl.java:544) 17722 INFO | jvm 2 | 2011/03/31 12:32:08 | at freenet.clients.http.SimpleToadletServer$SocketHandler.run(SimpleToadletServer.java:875) 17723 INFO | jvm 2 | 2011/03/31 12:32:08 | at freenet.support.PooledExecutor$MyThread.realRun(PooledExecutor.java:227) 17724 INFO | jvm 2 | 2011/03/31 12:32:08 | at freenet.support.io.NativeThread.run(NativeThread.java:130) 17725 INFO | jvm 2 | 2011/03/31 12:32:08 | Plugin /tmp/Freetalk.jar-1301567478126 is broken, but we want to retry after next startup Finally, one time it has succeeded loading, and when clicking on forums an internal error was reported, that I sadly didn't think of copying. I will if it happens again.