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From Gyula Fora <gyf...@apache.org>
Subject Re: Eclipse issue after latest dependency rework pr
Date Wed, 01 Oct 2014 07:40:53 GMT
That worked, thanks.

On 30 Sep 2014, at 23:12, Stephan Ewen <sewen@apache.org> wrote:

> Yes, I wanted to write a few pointers about such issues.
> 
> We recently shaded the guava dependency, meaning that we have a custom
> version of guava where all classes reside in
> "org.apache.flink.shaded.com.google" and maven rewrites all our guava
> references to that namespace.
> 
> The reason is that guava is a frequently used library and versions are not
> all compatible. For example, hadoop 2.5 uses guava 11 and fails if we bring
> guava 17 into the classpath. The shading causes our guava version to not
> conflict, because our shaded version's classes reside different namespace.
> 
> Since Eclipse does not interpret the shading (it only happens in the maven
> package phase) you need a regular dependency to guava that is not exported
> ("provided" scope)
> 
> Try adding this to the project's pom, it will tell maven to compile and
> individually run with the guava lib, but not package it.
> 
> <dependency>
> <groupId>com.google.guava</groupId>
> <artifactId>guava</artifactId>
> <version>${guava.version}</version>
> <scope>provided</scope>
> </dependency>
> 
> 
> 
> On Tue, Sep 30, 2014 at 11:02 PM, Gyula Fóra <gyfora@apache.org> wrote:
> 
>> Hey,
>> 
>> We have pulled the dependency rework from the apache master and now we
>> cannot get our tests to run in eclipse. With maven from the command line
>> and also with travis it works perfectly but when I try to run tests that
>> access the the Configuration class we get the following exception:
>> 
>> java.lang.NoClassDefFoundError: com/google/common/io/BaseEncoding
>> at
>> 
>> org.apache.flink.configuration.Configuration.setBytes(Configuration.java:358)
>> at
>> .....
>> some stuff here
>> .....
>> 
>> Caused by: java.lang.ClassNotFoundException:
>> com.google.common.io.BaseEncoding
>> at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
>> at java.security.AccessController.doPrivileged(Native Method)
>> at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
>> at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
>> at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
>> at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
>> ... 32 more
>> 
>> I literally tried everything to make it work, deleted all maven files,
>> reinstalled eclipse etc, but still no luck. Do you experience the same
>> issue when running the streaming-core tests in eclipse?
>> 
>> Regards,
>> Gyula
>> 


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