OpenJDK 11 doesn't read ANTLR v4 runtime .jar

[Anatoli Babenia]

Hello.

I am trying to follow ANTLR getting started using native Fedora packages.
https://github.com/antlr/antlr4/blob/master/doc/getting-started.md

I've got `Hello*.java` files which fail to compile because of missing
`org.antlr.v4.runtime`,
but I do have `/usr/share/java/antlr4/antlr4-runtime.jar` which contains all files.

Archive:  /usr/share/java/antlr4/antlr4-runtime.jar
Zip file size: 332076 bytes, number of entries: 237
-rw----     2.0 fat     1839 b- defN 20-Nov-30 18:19 META-INF/MANIFEST.MF
drwxr-xr-x  2.0 unx        0 b- stor 20-Nov-30 18:15 META-INF/
drwxr-xr-x  2.0 unx        0 b- stor 20-Nov-30 18:15 org/
drwxr-xr-x  2.0 unx        0 b- stor 20-Nov-30 18:15 org/antlr/
drwxr-xr-x  2.0 unx        0 b- stor 20-Nov-30 18:15 org/antlr/v4/
drwxr-xr-x  2.0 unx        0 b- stor 20-Nov-30 18:15 org/antlr/v4/runtime/
drwxr-xr-x  2.0 unx        0 b- stor 20-Nov-30 18:15 org/antlr/v4/runtime/misc/
drwxr-xr-x  2.0 unx        0 b- stor 20-Nov-30 18:15 org/antlr/v4/runtime/atn/
drwxr-xr-x  2.0 unx        0 b- stor 20-Nov-30 18:15 org/antlr/v4/runtime/dfa/
drwxr-xr-x  2.0 unx        0 b- stor 20-Nov-30 18:15 org/antlr/v4/runtime/tree/
drwxr-xr-x  2.0 unx        0 b- stor 20-Nov-30 18:15 org/antlr/v4/runtime/tree/pattern/
drwxr-xr-x  2.0 unx        0 b- stor 20-Nov-30 18:15 org/antlr/v4/runtime/tree/xpath/
drwxr-xr-x  2.0 unx        0 b- stor 20-Nov-30 18:15 META-INF/maven/
drwxr-xr-x  2.0 unx        0 b- stor 20-Nov-30 18:15 META-INF/maven/org.antlr/
drwxr-xr-x  2.0 unx        0 b- stor 20-Nov-30 18:15
META-INF/maven/org.antlr/antlr4-runtime/
-rw-r--r--  2.0 unx     2490 b- defN 20-Nov-30 18:15
org/antlr/v4/runtime/CodePointCharStream$CodePoint8BitCharStream.class
-rw-r--r--  2.0 unx      824 b- defN 20-Nov-30 18:15
org/antlr/v4/runtime/CodePointBuffer$1.class
-rw-r--r--  2.0 unx      752 b- defN 20-Nov-30 18:15 org/antlr/v4/runtime/Token.class
-rw-r--r--  2.0 unx     1844 b- defN 20-Nov-30 18:15
org/antlr/v4/runtime/TokenStreamRewriter$RewriteOperation.class
-rw-r--r--  2.0 unx     6750 b- defN 20-Nov-30 18:15
org/antlr/v4/runtime/CodePointBuffer$Builder.class

However, when I specify it in `-classpath`, the `javac` still doesn't those.

    $ javac -classpath /usr/share/java/antlr4-runtime.jar  Hello*.java         
    HelloBaseListener.java:3: error: package org.antlr.v4.runtime does not exist
    import org.antlr.v4.runtime.ParserRuleContext;
                              ^
   HelloBaseListener.java:4: error: package org.antlr.v4.runtime.tree does not exist
   import org.antlr.v4.runtime.tree.ErrorNode;
                                   ^

I am on Fedora 33.

[Markku Korkeala]

On 2/15/21 2:34 PM, Anatoli Babenia wrote:
>  Hello. 
Him

>  
>  However, when I specify it in `-classpath`, the `javac` still doesn't those.
>  
>      $ javac -classpath /usr/share/java/antlr4-runtime.jar  Hello*.java         
>      HelloBaseListener.java:3: error: package org.antlr.v4.runtime does not exist
>      import org.antlr.v4.runtime.ParserRuleContext;
>                                ^
>     HelloBaseListener.java:4: error: package org.antlr.v4.runtime.tree does not exist
>     import org.antlr.v4.runtime.tree.ErrorNode; 
It works on my Fedora 33. I think you might have some errors in
the classpath, I used the following command:

$ javac -cp
.:/usr/share/java/antlr4/antlr4.jar:/usr/share/java/antlr4/antlr4-runtime.jar:$CLASSPATH
Hello*.java
$ ls
 HelloBaseListener.class   Hello.interp        HelloLexer.java
HelloListener.java  'HelloParser$RContext.class'
 HelloBaseListener.java    HelloLexer.class    HelloLexer.tokens
HelloParser.class    Hello.tokens
 Hello.g4                  HelloLexer.interp   HelloListener.class
HelloParser.java

$ java -version
openjdk version "11.0.10" 2021-01-19
OpenJDK Runtime Environment 18.9 (build 11.0.10+9)
OpenJDK 64-Bit Server VM 18.9 (build 11.0.10+9, mixed mode, sharing)

$ javac -version
javac 11.0.10


Best regards,
Markku
                                    ^
>  
>  I am on Fedora 33.
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[Anatoli Babenia]

On Mon, 15 Feb 2021 at 16:02, Markku Korkeala <markku.korkeala(a)iki.fi&gt;
wrote:

>  >
>  >     $ javac -classpath /usr/share/java/antlr4-runtime.jar  Hello*.java
>
>  >     HelloBaseListener.java:3: error: package org.antlr.v4.runtime does
>  not exist
>  >     import org.antlr.v4.runtime.ParserRuleContext;
>  >                               ^
>  >    HelloBaseListener.java:4: error: package org.antlr.v4.runtime.tree
>  does not exist
>  >    import org.antlr.v4.runtime.tree.ErrorNode;
>
>  It works on my Fedora 33. I think you might have some errors in
>  the classpath, I used the following command:
>
>  $ javac -cp
>
>  .:/usr/share/java/antlr4/antlr4.jar:/usr/share/java/antlr4/antlr4-runtime.jar:$CLASSPATH
>  Hello*.java
>  
Thanks! Indeed I had missing `antlr4` dir in my classpath.

$  hello javac -cp /usr/share/java/antlr4/antlr4-runtime.jar Hello*.java
$  hello javac -cp /usr/share/java/antlr4-runtime.jar  Hello*.java


>  $ java -version
>  openjdk version "11.0.10" 2021-01-19
>  OpenJDK Runtime Environment 18.9 (build 11.0.10+9)
>  OpenJDK 64-Bit Server VM 18.9 (build 11.0.10+9, mixed mode, sharing)
>  
Same here.

Why is this .jar not added to classpath automatically during installation
of `antlr4-runtime`?