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Posted to users@maven.apache.org by ro...@aciworldwide.com on 2007/10/01 16:15:00 UTC

Unusual error from JavaMojoDescriptorExtractor

Greetings,

I made a transpositional error in the execute method of my Mojo, and 
produced some rather unusual diagnostics. Since the root cause was "user 
error" there may not be any great interest in looking further, but I'll 
post it here anyway...

        getLog().info("Files to be deleted: " + files.length); // correct 
line
        getLog().info("Files to be deleted" : files.length);   // Oops!

com.thoughtworks.qdox.parser.ParseException: syntax error @[64,1] in 
ExcludesP
lugin.java
        at 
com.thoughtworks.qdox.parser.impl.Parser.yyerror(Parser.java:638)
        at 
com.thoughtworks.qdox.parser.impl.Parser.yyparse(Parser.java(Compiled 
Code))
        at com.thoughtworks.qdox.parser.impl.Parser.parse(Parser.java:619)
        at 
com.thoughtworks.qdox.JavaDocBuilder.addSource(JavaDocBuilder.java:300)
        at 
com.thoughtworks.qdox.JavaDocBuilder.addSource(JavaDocBuilder.java:316)
        at 
com.thoughtworks.qdox.JavaDocBuilder.addSource(JavaDocBuilder.java:312)
        at 
com.thoughtworks.qdox.JavaDocBuilder$1.visitFile(JavaDocBuilder.java:369)
        at 
com.thoughtworks.qdox.directorywalker.DirectoryScanner.walk(DirectoryScanner.java:43)
        at 
com.thoughtworks.qdox.directorywalker.DirectoryScanner.walk(DirectoryScanner.java:34)
        at 
com.thoughtworks.qdox.directorywalker.DirectoryScanner.scan(DirectoryScanner.java:52)
        at 
com.thoughtworks.qdox.JavaDocBuilder.addSourceTree(JavaDocBuilder.java:366)
        at 
org.apache.maven.tools.plugin.extractor.java.JavaMojoDescriptorExtractor.execute(JavaMojoDescriptorExtractor.java:544)
        at 
org.apache.maven.tools.plugin.scanner.DefaultMojoScanner.populatePluginDescriptor(DefaultMojoScanner.java:84)
        at 
org.apache.maven.plugin.plugin.AbstractGeneratorMojo.execute(AbstractGeneratorMojo.java:135)
        at 
org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:443)
        at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:539)
        at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle(DefaultLifecycleExecutor.java:480)
        at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:459)
        at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:311)
        at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:278)
        at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:143)
        at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:334)
        at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:125)
        at org.apache.maven.cli.MavenCli.main(MavenCli.java:280)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:85)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:58)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:60)
        at java.lang.reflect.Method.invoke(Method.java:391)
        at 
org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
        at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
        at 
org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
        at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
 

Robert Egan

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Re: Unusual error from JavaMojoDescriptorExtractor

Posted by ro...@aciworldwide.com.
Double oops.

Apparently I've left my good typing hands at home :). The real error was 
here

        for (int i = 0; i < files.length; i++)    // Forget the brace

resulting in a missing right hand brace at the end of the file.

Sorry about that.
Robert Egan


robert.egan@aciworldwide.com wrote on 10/01/2007 10:15:00 AM:

> Greetings,
> 
> I made a transpositional error in the execute method of my Mojo, and 
> produced some rather unusual diagnostics. Since the root cause was "user 

> error" there may not be any great interest in looking further, but I'll 
> post it here anyway...
> 
>         getLog().info("Files to be deleted: " + files.length); // 
correct 
> line
>         getLog().info("Files to be deleted" : files.length);   // Oops!
> 
> com.thoughtworks.qdox.parser.ParseException: syntax error @[64,1] in 
> ExcludesP
> lugin.java
>         at 
> com.thoughtworks.qdox.parser.impl.Parser.yyerror(Parser.java:638)
>         at 
> com.thoughtworks.qdox.parser.impl.Parser.yyparse(Parser.java(Compiled 
> Code))
>         at 
com.thoughtworks.qdox.parser.impl.Parser.parse(Parser.java:619)
>         at 
> com.thoughtworks.qdox.JavaDocBuilder.addSource(JavaDocBuilder.java:300)
>         at 
> com.thoughtworks.qdox.JavaDocBuilder.addSource(JavaDocBuilder.java:316)
>         at 
> com.thoughtworks.qdox.JavaDocBuilder.addSource(JavaDocBuilder.java:312)
>         at 
> 
com.thoughtworks.qdox.JavaDocBuilder$1.visitFile(JavaDocBuilder.java:369)
>         at 
> com.thoughtworks.qdox.directorywalker.DirectoryScanner.
> walk(DirectoryScanner.java:43)
>         at 
> com.thoughtworks.qdox.directorywalker.DirectoryScanner.
> walk(DirectoryScanner.java:34)
>         at 
> com.thoughtworks.qdox.directorywalker.DirectoryScanner.
> scan(DirectoryScanner.java:52)
>         at 
> 
com.thoughtworks.qdox.JavaDocBuilder.addSourceTree(JavaDocBuilder.java:366)
>         at 
> org.apache.maven.tools.plugin.extractor.java.
> 
JavaMojoDescriptorExtractor.execute(JavaMojoDescriptorExtractor.java:544)
>         at 
> org.apache.maven.tools.plugin.scanner.DefaultMojoScanner.
> populatePluginDescriptor(DefaultMojoScanner.java:84)
>         at 
> org.apache.maven.plugin.plugin.AbstractGeneratorMojo.
> execute(AbstractGeneratorMojo.java:135)
>         at 
> org.apache.maven.plugin.DefaultPluginManager.
> executeMojo(DefaultPluginManager.java:443)
>         at 
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.
> executeGoals(DefaultLifecycleExecutor.java:539)
>         at 
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.
> executeGoalWithLifecycle(DefaultLifecycleExecutor.java:480)
>         at 
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.
> executeGoal(DefaultLifecycleExecutor.java:459)
>         at 
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.
> executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:311)
>         at 
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.
> executeTaskSegments(DefaultLifecycleExecutor.java:278)
>         at 
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.
> execute(DefaultLifecycleExecutor.java:143)
>         at 
org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:334)
>         at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:125)
>         at org.apache.maven.cli.MavenCli.main(MavenCli.java:280)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at 
> 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:85)
>         at 
> 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:58)
>         at 
> sun.reflect.DelegatingMethodAccessorImpl.
> invoke(DelegatingMethodAccessorImpl.java:60)
>         at java.lang.reflect.Method.invoke(Method.java:391)
>         at 
> org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
>         at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
>         at 
> org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
>         at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
> 
> 
> Robert Egan
> 
> This email message and any attachments may contain confidential, 
> proprietary or non-public information.  The information is intended 
solely 
> for the designated recipient(s).  If an addressing or transmission error 

> has misdirected this email, please notify the sender immediately and 
> destroy this email.  Any review, dissemination, use or reliance upon 
this 
> information by unintended recipients is prohibited.  Any opinions 
> expressed in this email are those of the author personally.