geb/error/UnableToLoadException

[Sean Lanter]

I have a 2-line script "example.groovy" that does nothing more than create a default Browser:

   import geb.Browser
   def browser = new Browser()

When I run it as follows:

   groovy -cp geb-core-0.13.1.jar:selenium-server-standalone-2.53.0.jar:.  example.groovy

this is what comes back:

   Caught: java.lang.NoClassDefFoundError: geb/error/UnableToLoadException
   java.lang.NoClassDefFoundError: geb/error/UnableToLoadException
       at geb.Browser.<init>(Browser.groovy:58)
       at example.run(example.groovy:2)

The script and the two jars file are all in the same directory.

I am certain I am missing something obvious...  Can someone point out what I am overlooking?

TIA!

[Marcin Erdmann]

You need more Geb modules in your classpath. If you're a masochist then you can have a look at the pom of geb-core and work out which dependencies it has, there might be some that are transitive. Otherwise use a build system to resolve your dependencies. I personally prefer Gradle but for the purpose of resolving deps Maven will do just fine. If this thing will never get serious and will stay a script forever then your third choice might be using Groovy's @Grab annotation(s).

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[Sean Lanter]

Well, masochism was fun for a while, but it looks like I simply need to learn Gradle :)

Thank you for your feedback, very much appreciated!

On Tuesday, June 7, 2016 at 12:11:21 AM UTC-7, Marcin Erdmann wrote:

You need more Geb modules in your classpath. If you're a masochist then you can have a look at the pom of geb-core and work out which dependencies it has, there might be some that are transitive. Otherwise use a build system to resolve your dependencies. I personally prefer Gradle but for the purpose of resolving deps Maven will do just fine. If this thing will never get serious and will stay a script forever then your third choice might be using Groovy's @Grab annotation(s).

On Tuesday, 7 June 2016, Sean Lanter <seanl...@gmail.com> wrote:

I have a 2-line script "example.groovy" that does nothing more than create a default Browser:

   import geb.Browser
   def browser = new Browser()

When I run it as follows:

   groovy -cp geb-core-0.13.1.jar:selenium-server-standalone-2.53.0.jar:.  example.groovy

this is what comes back:

   Caught: java.lang.NoClassDefFoundError: geb/error/UnableToLoadException
   java.lang.NoClassDefFoundError: geb/error/UnableToLoadException
       at geb.Browser.<init>(Browser.groovy:58)
       at example.run(example.groovy:2)

The script and the two jars file are all in the same directory.

I am certain I am missing something obvious...  Can someone point out what I am overlooking?

TIA!

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[Dan Schmitt]

So, if I wanted a command line web scraper with geb, and tried to use @Grab and got:

General error during conversion: Error grabbing Grapes -- [download failed: commons-io#commons-io;2.4!commons-io.jar]

but the https://github.com/geb/geb-example-gradle build works fine, that's likely some issue with Grab not supporting some special characters somewhere?

 

On Tuesday, June 7, 2016 at 3:11:21 AM UTC-4, Marcin Erdmann wrote:

You need more Geb modules in your classpath. If you're a masochist then you can have a look at the pom of geb-core and work out which dependencies it has, there might be some that are transitive. Otherwise use a build system to resolve your dependencies. I personally prefer Gradle but for the purpose of resolving deps Maven will do just fine. If this thing will never get serious and will stay a script forever then your third choice might be using Groovy's @Grab annotation(s).

On Tuesday, 7 June 2016, Sean Lanter <seanl...@gmail.com> wrote:

I have a 2-line script "example.groovy" that does nothing more than create a default Browser:

   import geb.Browser
   def browser = new Browser()

When I run it as follows:

   groovy -cp geb-core-0.13.1.jar:selenium-server-standalone-2.53.0.jar:.  example.groovy

this is what comes back:

   Caught: java.lang.NoClassDefFoundError: geb/error/UnableToLoadException
   java.lang.NoClassDefFoundError: geb/error/UnableToLoadException
       at geb.Browser.<init>(Browser.groovy:58)
       at example.run(example.groovy:2)

The script and the two jars file are all in the same directory.

I am certain I am missing something obvious...  Can someone point out what I am overlooking?

TIA!

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[Marcin Erdmann]

How did you get from the error you got to "Grab not supporting some special characters somewhere"?

Looks like it might simply be a connectivity issue. Did you try retrying?

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[Dan Schmitt]

I have tried a couple times.  My Android gradle stuff seems fine.
The geb-example-gradle ran (so I think it got everything.)

I'm pulling in the same module/versions with @Grab as I see in geb-example-gradle, so I guessed it was @Grab vs. whatever gradle does for dependencies { testCompile ... bla bla.)

My script starts with:

#!/bin/bash
//usr/bin/env groovy  -cp extra.jar:spring.jar:etc.jar -d -Dlog4j.configuration=file:/etc/myapp/log4j.xml "$0" $@; exit $?


@Grab(group='org.gebish',module='geb-spock', version='1.0-rc-1')
@Grab(group='org.seleniumhq.selenium',module='selenium-firefox-driver', version='2.51.0')
@Grab(group='org.seleniumhq.selenium',module='selenium-support', version='2.51.0')

import geb.Browser
import geb.Page

and those seem to match

ext {
    // The drivers we want to use
    drivers = ["firefox", "chrome", "phantomJs"]

    ext {
        groovyVersion = '2.4.5'
        gebVersion = '1.0-rc-1'
        seleniumVersion = '2.51.0'
        chromeDriverVersion = '2.19'
        phantomJsVersion = '1.9.7'
    }
}

.... more stuff from the working geb-example-gradle-master....

dependencies {
    // If using Spock, need to depend on geb-spock
    testCompile "org.gebish:geb-spock:$gebVersion"
    testCompile("org.spockframework:spock-core:1.0-groovy-2.4") {
        exclude group: "org.codehaus.groovy"
    }
    testCompile "org.codehaus.groovy:groovy-all:$groovyVersion"

    // If using JUnit, need to depend on geb-junit (3 or 4)
    testCompile "org.gebish:geb-junit4:$gebVersion"

    // Drivers
    testCompile "org.seleniumhq.selenium:selenium-chrome-driver:$seleniumVersion"
    testCompile "org.seleniumhq.selenium:selenium-firefox-driver:$seleniumVersion"

The only difference seems to be @Grab vs gradle's depend.   (Might not be a special character, the default @Grab config stuff might differ from the Gradle, don't know, but that was my guess.)  

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[Dan Schmitt]

And further testing, it's just something with @Grab and the geb stuff (selenium and tagsoup load fine):

#!/bin/bash
//usr/bin/env groovy  -cp extra.jar:spring.jar:etc.jar -d -Dlog4j.configuration=file:/etc/myapp/log4j.xml "$0" $@; exit $?

// @Grab(group='org.gebish',module='geb-spock', version='1.0-rc-1')

@Grab(group='org.seleniumhq.selenium',module='selenium-firefox-driver', version='2.51.0')
@Grab(group='org.seleniumhq.selenium',module='selenium-support', version='2.51.0')

@Grab(group='org.ccil.cowan.tagsoup',
      module='tagsoup', version='1.2' )
def tagsoupParser = new org.ccil.cowan.tagsoup.Parser()
def slurper = new XmlSlurper(tagsoupParser)
def htmlParser = slurper.parse("http://stackoverflow.com/")

htmlParser.'**'.findAll{ it.@class == 'question-hyperlink'}.each {
    println it

[Dan Schmitt]

And in other bonus news, something really odd is going on.  I blew away the .m2 and .groovy as suggested on
stackoverflow for @grab issues, and the message is now:

Caught: BUG! exception in phase 'conversion' in source unit '/Users/user1/torgo' # Licensed to the Apache Software Foundation (ASF) under one or more
BUG! exception in phase 'conversion' in source unit '/Users/user1/torgo' # Licensed to the Apache Software Foundation (ASF) under one or more

when @Grab includes geb....

[Marcin Erdmann]

Oh, is it because Geb depends on Groovy and Groovy doesn't like other version pulled in using Grapes?

If that's it then you need to add @GrabExclude('org.codehaus.groovy:groovy-all').

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[Dan Schmitt]

That was it.  For anybody wanting to do the script thing, this is what's working for me:

#!/bin/bash
//usr/bin/env groovy  -cp extra.jar:spring.jar:etc.jar -d -Dlog4j.configuration=file:/etc/myapp/log4j.xml "$0" $@; exit $?

@GrabExclude('org.codehaus.groovy:groovy-all')

@Grab(group='org.gebish',module='geb-spock', version='1.0-rc-1')
@Grab(group='org.seleniumhq.selenium',module='selenium-firefox-driver', version='2.51.0')
@Grab(group='org.seleniumhq.selenium',module='selenium-support', version='2.51.0')

import geb.Browser
import geb.Page

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