Paweł Wielgus created WW-4431:
---------------------------------
Summary: Java 8 support - lambda in action classes
Key: WW-4431
URL: https://issues.apache.org/jira/browse/WW-4431
Project: Struts 2
Issue Type: Improvement
Components: Core Actions
Affects Versions: 2.3.16.3
Environment: Jdk 1.8
Reporter: Paweł Wielgus
Priority: Minor
When there is any lamba expression placed inside of action class, during
startup struts is presenting error like below:
com.opensymphony.xwork2.util.logging.commons.CommonsLogger error
SEVERE: Unable to read class
[com.ppp.elsevier.struts.action.admin.spa.bannerBox.SampleAction]
java.lang.ArrayIndexOutOfBoundsException: 10572
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)
After this exception application is starting normally but SampleAction is not
configured and not accessible.
If lambda expression is removed from action class (i.e. the lambda is moved to
non action class and referenced from inside action), all is working without
problems.
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
