I'm mainly curious how it's possible that everything looks completely normal in javap (checked a dozen times), but the class verifier complains anyway? Something has to be different. Is there a way to dig deeper into a class file?
Greetings On Wed, 2 Feb 2022 at 23:14, Stefan Reich < stefan.reich.maker.of....@googlemail.com> wrote: > Hmm, no change with latest version. > > I did "git clone https://github.com/apache/commons-bcel.git"; and "mvn > package". > > stefan@lenovo-ThinkPad-X220:~/dev/classreftest$ javac -cp > bcel-6.6.0-SNAPSHOT.jar MakeBadClassFile.java > stefan@lenovo-ThinkPad-X220:~/dev/classreftest$ java -cp > bcel-6.6.0-SNAPSHOT.jar:. MakeBadClassFile > Now please try: java BadClassFile > stefan@lenovo-ThinkPad-X220:~/dev/classreftest$ java BadClassFile > Error: Unable to initialize main class BadClassFile > Caused by: java.lang.VerifyError: (class: BadClassFile, method: main > signature: ([Ljava/lang/String;)V) Illegal type in constant pool > stefan@lenovo-ThinkPad-X220:~/dev/classreftest$ > > On Wed, 2 Feb 2022 at 22:59, Gary Gregory <garydgreg...@gmail.com> wrote: > >> You should try the latest from git master. >> >> Gary >> >> On Wed, Feb 2, 2022, 15:41 Stefan Reich >> <stefan.reich.maker.of....@googlemail.com.invalid> wrote: >> >> > Hi again, >> > >> > actual problem this time... >> > >> > I think I am doing everything right... Decompilation in javap -v looks >> > just like it should. But I get a VerifyError... I'm using JDK 17. Full >> > program attached. Please advice, thank you :) >> > >> > # javac -cp bcel-6.5.0.jar MakeBadClassFile.java >> > # java -cp bcel-6.5.0.jar:. MakeBadClassFile >> > # java BadClassFile >> > Error: Unable to initialize main class BadClassFile >> > Caused by: java.lang.VerifyError: (class: BadClassFile, method: main >> > signature: ([Ljava/lang/String;)V) Illegal type in constant pool >> > >> > >> > --------------------------------------------------------------------- >> > To unsubscribe, e-mail: dev-unsubscr...@commons.apache.org >> > For additional commands, e-mail: dev-h...@commons.apache.org >> > >
