Switching to ASM 6 should resolve the issue but this isn't a drop-in upgrade, we will have to change some code on Struts side.
https://issues.apache.org/jira/browse/WW-4866 Regards -- Łukasz + 48 606 323 122 http://www.lenart.org.pl/ wt., 16 paź 2018 o 09:49 Britta Katzenbach <katzenb...@liwa.de> napisał(a): > > Hi! > > We are currently trying to run our Struts2 application with OpenJDK 11. Its > working in general, but the DefaultClassFinder of the Struts2 convention > plugin throws an IllegalArgumentException: null when initializing the classes > in the package specified in „struts.convention.action.packages“ in the > struts.xml. Since these are abstract classes or other classes that does not > need to be mapped, it seems to be no problem - the application is running as > expected. These errors do not occur when running with oracle java SE 8. We > tried to use ASM (org.ow2) 6.0, 6.2.1 and 7.0-beta instead of 5.2, but that > did not help. > > ERROR org.apache.struts2.convention.DefaultClassFinder - Unable to read class > [xx.xx.xx.web.action.AbstractAction] > java.lang.IllegalArgumentException: null > at org.objectweb.asm.ClassReader.<init>(Unknown Source) ~[asm-5.2.jar:5.2] > at org.objectweb.asm.ClassReader.<init>(Unknown Source) ~[asm-5.2.jar:5.2] > at org.objectweb.asm.ClassReader.<init>(Unknown Source) ~[asm-5.2.jar:5.2] > at > org.apache.struts2.convention.DefaultClassFinder.readClassDef(DefaultClassFinder.java:461) > ~[struts2-convention-plugin-2.5.18.jar:2.5.18] > at > org.apache.struts2.convention.DefaultClassFinder.access$200(DefaultClassFinder.java:52) > ~[struts2-convention-plugin-2.5.18.jar:2.5.18] > at > org.apache.struts2.convention.DefaultClassFinder$InfoBuildingVisitor.extractSuperInterfaces(DefaultClassFinder.java:514) > ~[struts2-convention-plugin-2.5.18.jar:2.5.18] > at > org.apache.struts2.convention.DefaultClassFinder$InfoBuildingVisitor.visit(DefaultClassFinder.java:501) > ~[struts2-convention-plugin-2.5.18.jar:2.5.18] > at org.objectweb.asm.ClassReader.accept(Unknown Source) ~[asm-5.2.jar:5.2] > at org.objectweb.asm.ClassReader.accept(Unknown Source) ~[asm-5.2.jar:5.2] > at > org.apache.struts2.convention.DefaultClassFinder.readClassDef(DefaultClassFinder.java:462) > ~[struts2-convention-plugin-2.5.18.jar:2.5.18] > at > org.apache.struts2.convention.DefaultClassFinder.access$200(DefaultClassFinder.java:52) > ~[struts2-convention-plugin-2.5.18.jar:2.5.18] > at > org.apache.struts2.convention.DefaultClassFinder$InfoBuildingVisitor.extractSuperInterfaces(DefaultClassFinder.java:514) > ~[struts2-convention-plugin-2.5.18.jar:2.5.18] > at > org.apache.struts2.convention.DefaultClassFinder$InfoBuildingVisitor.visit(DefaultClassFinder.java:501) > ~[struts2-convention-plugin-2.5.18.jar:2.5.18] > at org.objectweb.asm.ClassReader.accept(Unknown Source) ~[asm-5.2.jar:5.2] > at org.objectweb.asm.ClassReader.accept(Unknown Source) ~[asm-5.2.jar:5.2] > at > org.apache.struts2.convention.DefaultClassFinder.readClassDef(DefaultClassFinder.java:462) > ~[struts2-convention-plugin-2.5.18.jar:2.5.18] > at > org.apache.struts2.convention.DefaultClassFinder.<init>(DefaultClassFinder.java:93) > [struts2-convention-plugin-2.5.18.jar:2.5.18] > at > org.apache.struts2.convention.PackageBasedActionConfigBuilder.buildClassFinder(PackageBasedActionConfigBuilder.java:395) > [struts2-convention-plugin-2.5.18.jar:2.5.18] > at > org.apache.struts2.convention.PackageBasedActionConfigBuilder.findActions(PackageBasedActionConfigBuilder.java:377) > [struts2-convention-plugin-2.5.18.jar:2.5.18] > at > org.apache.struts2.convention.PackageBasedActionConfigBuilder.buildActionConfigs(PackageBasedActionConfigBuilder.java:333) > [struts2-convention-plugin-2.5.18.jar:2.5.18] > at > org.apache.struts2.convention.ClasspathPackageProvider.loadPackages(ClasspathPackageProvider.java:52) > [struts2-convention-plugin-2.5.18.jar:2.5.18] > > > Thanks for your input! > > Best regards, > > Britta Katzenbach > > _____________________________________________________ > e-Mail: katzenb...@liwa.de > Tel. +49 30 27019889 > > Dr. Lippke & Dr. Wagner GmbH > Nassauische Str. 25 > 10717 Berlin > Tel./Fax: +49 30 2147309-0 / 2 > > Geschäftsführer: Dr. Andreas Lippke und Florian Schlittgen > Registergericht: Amtsgericht Berlin HRB 25607 > > > > > > > > --------------------------------------------------------------------- To unsubscribe, e-mail: user-unsubscr...@struts.apache.org For additional commands, e-mail: user-h...@struts.apache.org
