compiler.jar return error

[Andrés Nadal]

Hi.

When i run: java -jar compiler.jar --help

Exception in thread "main" java.util.MissingResourceException: Can't find bundle for base name com.google.javascript.jscomp.jarjar.org.kohsuke.args4j.Messages, locale en

        at java.util.ResourceBundle.throwMissingResourceException(Unknown Source)

        at java.util.ResourceBundle.getBundleImpl(Unknown Source)

        at java.util.ResourceBundle.getBundle(Unknown Source)

        at com.google.javascript.jscomp.jarjar.org.kohsuke.args4j.Messages.formatWithLocale(Messages.java:30)

        at com.google.javascript.jscomp.jarjar.org.kohsuke.args4j.CmdLineException.<init>(CmdLineException.java:47)

        at com.google.javascript.jscomp.jarjar.org.kohsuke.args4j.CmdLineParser$CmdLineImpl.getParameter(CmdLineParser.java:429)

        at com.google.javascript.jscomp.CommandLineRunner$Flags$BooleanOptionHandler.parseArguments(CommandLineRunner.java:1296)

        at com.google.javascript.jscomp.jarjar.org.kohsuke.args4j.CmdLineParser.parseArgument(CmdLineParser.java:520)

        at com.google.javascript.jscomp.CommandLineRunner$Flags.parse(CommandLineRunner.java:941)

        at com.google.javascript.jscomp.CommandLineRunner$Flags.access$500(CommandLineRunner.java:146)

        at com.google.javascript.jscomp.CommandLineRunner.initConfigFromFlags(CommandLineRunner.java:1601)

        at com.google.javascript.jscomp.CommandLineRunner.<init>(CommandLineRunner.java:1446)

        at com.google.javascript.jscomp.CommandLineRunner.main(CommandLineRunner.java:2214)

Caused by: java.lang.ClassCastException: com.google.javascript.jscomp.jarjar.org.kohsuke.args4j.Messages cannot be cast to ResourceBundle

        at java.util.ResourceBundle$Control.newBundle(Unknown Source)

        at java.util.ResourceBundle.loadBundle(Unknown Source)

        at java.util.ResourceBundle.findBundle(Unknown Source)

        at java.util.ResourceBundle.findBundle(Unknown Source)

        ... 12 more

Greeting

[John]

Can you provide some details here?  What version are you using?  Where did you retrieve it?  Did you build it from sources?

[John]

both the version of the compiler and version of java are interesting.

[Andrés Nadal]

Thank you very much John, for responding.

The problem was the "!" on behalf of a folder within the access path to the js files.

Anyway, I will no longer use Closure Compiler, a lot of trouble shrinking a simple js file.

With jQuery dependencies, I had a lot of trouble, until I managed to make a js --externs file, to keep the "$".

Then ADVANCED_OPTIMIZATIONS trashes the function names, the script doesn't work at all.

SIMPLE_OPTIMIZATIONS, pollute my script, with -> $ jscomp.generator.Context.prototype.

I don't want to see that in my script, it is not my code.

Something that seemed great to me was, the warnings about how the code was written, but a variable or function not used in the script is eliminated. I think this can be solved, but you have to contaminate the code with @.

I have moved to Terser it seems much better, I am already in production again.

Thank you anyway

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[John]

ADVANCED_OPTIMIZATIONS has special requirements and is intended for applications.  Unless you prepared your code for it, it is unlikely to work (such as proper externs).  SIMPLE_OPTIMIZATIONS are intended for unprepared code or file-by-file optimizations.    Likely, the "pollution" you are seeing is from downleveling.   Set --language_out=ECMASCRIPT_2021 if you con't want that (the current default is ECMASCRIPT5, something that I would like to change).