It can be part of 2.3.x as well, the plan is to be compatible with JDK8 but not depend on it. Lambdas are implemented as anonymous classes as far I can recall, so maybe improving ClassFinder in that area would do the trick ;-)
2014-06-18 10:20 GMT+02:00 Paweł Wielgus <poulw...@gmail.com>: > Hi Łukasz, > can i somehow help with this? > > Is it all about classloader black magic > or a normal programer can make any progress with this subject. > > I understand that JDK8 is much more than just lambdas, > so maybe i would be able to help with this "lambdas only" problem. > > I would be happy if S2.3.x would be abble to load such action classes > but would not be fully compatible with JDK8. > But maybe this is all or nothing case? > > Best greetings, > Paweł Wielgus. > > > > > 2014-06-18 10:08 GMT+02:00 Lukasz Lenart <lukaszlen...@apache.org>: >> S2 isn't JDK8 compatible, it will be case for S2.5 >> >> >> 2014-06-18 10:04 GMT+02:00 Paweł Wielgus <poulw...@gmail.com>: >>> Hi all, >>> does anyone know >>> if this these exceptions [1][2] i see when staring application >>> are the result of using lambda expressions inside actions? >>> >>> If i just move these lambdas out of action body >>> to another class (helper) >>> everything works just fine. >>> >>> How can i help to resolve this? >>> I would love to have lambdas in action methods. >>> >>> Struts version is 2.3.16.3 >>> Java version is 1.8.0_05 >>> >>> Best greetings, >>> Paweł Wielgus. >>> >>> >>> >>> [1] - for action defined in struts.xml >>> >>> SEVERE: Unable to read class >>> [com.ppp.elsevier.struts.action.JournalCoverAction] >>> java.lang.ArrayIndexOutOfBoundsException: 51966 >>> at org.objectweb.asm.ClassReader.readUTF8(Unknown Source) >>> at org.objectweb.asm.ClassReader.readClass(Unknown Source) >>> at org.objectweb.asm.ClassReader.accept(Unknown Source) >>> at org.objectweb.asm.ClassReader.accept(Unknown Source) >>> at >>> com.opensymphony.xwork2.util.finder.ClassFinder.readClassDef(ClassFinder.java:717) >>> at >>> com.opensymphony.xwork2.util.finder.ClassFinder.<init>(ClassFinder.java:112) >>> at >>> org.apache.struts2.convention.PackageBasedActionConfigBuilder.findActions(PackageBasedActionConfigBuilder.java:390) >>> at >>> org.apache.struts2.convention.PackageBasedActionConfigBuilder.buildActionConfigs(PackageBasedActionConfigBuilder.java:347) >>> at >>> org.apache.struts2.convention.ClasspathPackageProvider.loadPackages(ClasspathPackageProvider.java:53) >>> at >>> com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:268) >>> at >>> com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:67) >>> at >>> org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:445) >>> at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:489) >>> at >>> org.apache.struts2.dispatcher.ng.InitOperations.initDispatcher(InitOperations.java:74) >>> at >>> org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.init(StrutsPrepareAndExecuteFilter.java:57) >>> at >>> org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:298) >>> at >>> org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:119) >>> at >>> org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4076) >>> at org.apache.catalina.core.StandardContext.start(StandardContext.java:4730) >>> at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1057) >>> at org.apache.catalina.core.StandardHost.start(StandardHost.java:822) >>> at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1057) >>> at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:463) >>> at org.apache.catalina.core.StandardService.start(StandardService.java:525) >>> at org.apache.catalina.core.StandardServer.start(StandardServer.java:754) >>> at org.apache.catalina.startup.Catalina.start(Catalina.java:595) >>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) >>> at >>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) >>> at >>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) >>> at java.lang.reflect.Method.invoke(Method.java:483) >>> at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289) >>> at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414) >>> >>> >>> >>> [2] - for action found by convention plugin >>> >>> SEVERE: Unable to read class >>> [com.ppp.elsevier.struts.action.admin.reports.BuyedBookCategoriesAction] >>> java.lang.ArrayIndexOutOfBoundsException: 12919 >>> at org.objectweb.asm.ClassReader.<init>(Unknown Source) >>> at org.objectweb.asm.ClassReader.<init>(Unknown Source) >>> at org.objectweb.asm.ClassReader.<init>(Unknown Source) >>> at >>> com.opensymphony.xwork2.util.finder.ClassFinder.readClassDef(ClassFinder.java:716) >>> at >>> com.opensymphony.xwork2.util.finder.ClassFinder.<init>(ClassFinder.java:112) >>> at >>> org.apache.struts2.convention.PackageBasedActionConfigBuilder.findActions(PackageBasedActionConfigBuilder.java:390) >>> at >>> org.apache.struts2.convention.PackageBasedActionConfigBuilder.buildActionConfigs(PackageBasedActionConfigBuilder.java:347) >>> at >>> org.apache.struts2.convention.ClasspathPackageProvider.loadPackages(ClasspathPackageProvider.java:53) >>> at >>> com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:268) >>> at >>> com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:67) >>> at >>> org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:445) >>> at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:489) >>> at >>> org.apache.struts2.dispatcher.ng.InitOperations.initDispatcher(InitOperations.java:74) >>> at >>> org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.init(StrutsPrepareAndExecuteFilter.java:57) >>> at >>> org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:298) >>> at >>> org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:119) >>> at >>> org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4076) >>> at org.apache.catalina.core.StandardContext.start(StandardContext.java:4730) >>> at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1057) >>> at org.apache.catalina.core.StandardHost.start(StandardHost.java:822) >>> at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1057) >>> at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:463) >>> at org.apache.catalina.core.StandardService.start(StandardService.java:525) >>> at org.apache.catalina.core.StandardServer.start(StandardServer.java:754) >>> at org.apache.catalina.startup.Catalina.start(Catalina.java:595) >>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) >>> at >>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) >>> at >>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) >>> at java.lang.reflect.Method.invoke(Method.java:483) >>> at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289) >>> at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414) >>> >>> --------------------------------------------------------------------- >>> To unsubscribe, e-mail: user-unsubscr...@struts.apache.org >>> For additional commands, e-mail: user-h...@struts.apache.org >>> >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: user-unsubscr...@struts.apache.org >> For additional commands, e-mail: user-h...@struts.apache.org >> > > --------------------------------------------------------------------- > To unsubscribe, e-mail: user-unsubscr...@struts.apache.org > For additional commands, e-mail: user-h...@struts.apache.org > --------------------------------------------------------------------- To unsubscribe, e-mail: user-unsubscr...@struts.apache.org For additional commands, e-mail: user-h...@struts.apache.org
