I believe you are missing google-collections jar.  See
http://code.google.com/p/gdata-java-client/wiki/Dependencies for list of 
dependencies
for this library.
Original comment by [email protected] on 1 Sep 2009 at 2:24
Changed state: RequestedFeedback
          
i am also getting same error,but i am able to download google-collections jar 
when i go to http://code.google.com/p/gdata-java-client/wiki/Dependencies 
it shows google-collections pdf not google-collections.jar
i am attaching the error message
please help me out...
Original comment by [email protected] on 28 Oct 2010 at 9:16
Attachments:
error.txt
          
i am also getting same error,but i am able to download google-collections jar 
when i go to http://code.google.com/p/gdata-java-client/wiki/Dependencies 
it shows google-collections pdf not google-collections.jar
i am attaching the error message
please help me out...
Original comment by [email protected] on 28 Oct 2010 at 9:23
Attachments:
error.txt
          
as you can read on this site the project has evolved into guava:
http://code.google.com/p/guava-libraries/downloads/list
Original comment by [email protected] on 10 Nov 2010 at 3:27
          
I solved this problem by download the jar file guava-r07.jar. 
http://code.google.com/p/guava-libraries/downloads/detail?name=guava-r07.zip
Try it.
Original comment by [email protected] on 1 Dec 2010 at 10:44
          
I m getting the same error & plz tell me the steps to install guava-r07 .jar in 
eclipse sdk5.3.2.
Please help me  fast............................
Original comment by [email protected] on 28 Sep 2011 at 12:01
          
Helped Me.. Thanks but now during Oauth process i am getting 
com.google.gdata.client.authn.oauth.OAuthException: Error getting HTTP 
response.. Can anyone help me?
Original comment by [email protected] on 21 Feb 2012 at 7:21
          
Helped Me.. Thanks but now during Oauth process i am getting 
com.google.gdata.client.authn.oauth.OAuthException: Error getting HTTP 
response.. Can anyone help me?
Original comment by [email protected] on 21 Feb 2012 at 7:21
          
Exception in thread "main" java.lang.NoSuchMethodError: 
com.google.common.collect.ImmutableSet.copyOf([Ljava/lang/Object;)Lcom/google/co
mmon/collect/ImmutableSet;
I am getting this error in my code and code is attached below
Original comment by [email protected] on 15 Jun 2012 at 4:13
Attachments:
FileUpload.java
          
I've been fighting with a lot of dependency issues with gdata - I don't think 
guava-11.0.2.jar is the fix - I added that. Is it possible that developing with 
app engine means appengine-sdk jars are compiled with older versions of 
com.google.common.collect?  Since the guide says to compile with an rc1 of 
collections, i'd be nice to get an updated guide that takes into account app 
engine projects. Really stuck here.
java.lang.NoSuchMethodError: 
com.google.common.collect.ImmutableSet.copyOf([Ljava/lang/Object;)Lcom/google/co
mmon/collect/ImmutableSet;
Original comment by [email protected] on 26 Jul 2012 at 4:17
          
I'm in this boat too.
Appengine has a bunch of core guava classes repackaged in the appengine jars, 
which are loading those classes before my updated classes.
Even if we can get our development servers working right, will the production 
environment have loaded the repackaged classes before our libs get checked?
Original comment by [email protected] on 7 Aug 2012 at 8:41
          
Looking into the repackaged classes, and the method signature appears to be 
valid in both my copy of guava, and the repackaged copy (found in 
appengine-api-labs.jar).
I did, however find a workaround:
Include guava source on your classpath, as it will override whatever copy 
appengine is using.  I had to take com.google.common.collect and 
com.google.common.base (guice decided to complain as soon as I took 
ImmutableSet but not a bunch of others).
Recommended use of workaround is to link source in eclipse to a copy of guava 
source
git clone https://code.google.com/p/guava-libraries/
I used source inclusion patterns **/base/** and **/collect/** to pull in the 
necessary classes to defeat this bug.
Can someone in google submit a request for appengine to repackage updated jars?
Original comment by [email protected] on 7 Aug 2012 at 9:17
          
real thanks to this forum. this error was killing me since yesterday, guava 
solved my problem also
Original comment by [email protected] on 5 Jul 2013 at 6:28
          
i hav downloaded the guava 16.0.1 jar.. but it has following Exception
Exception  :  Unrecognized content type:text/html;charset=UTF-8
Original comment by [email protected] on 11 Apr 2014 at 8:56
          
please help me with a Google Calendar code in which i included the jars file 
listed below:
guava-17.0.jar
gdata-core-1.0.jar
gdata-client-1.0.jar
gdata-calendar-1.0.jar and
google-collections-1.0-rc2.jar
although i am getting the exception i.e.
Exception in thread "main" java.lang.NoSuchMethodError: 
com.google.common.collect.ImmutableSet.copyOf([Ljava/lang/Object;)Lcom/google/co
mmon/collect/ImmutableSet;
com.google.gdata.wireformats.AltFormat$Builder.setAcceptableTypes(AltFormat.java
:399)
    at com.google.gdata.wireformats.AltFormat$Builder.setAcceptableXmlTypes(AltFormat.java:387)
    at com.google.gdata.wireformats.AltFormat.<clinit>(AltFormat.java:49)
    at com.google.gdata.client.Service.<clinit>(Service.java:558)
    at cala.Cala.main(Cala.java:205)
Original comment by [email protected] on 4 May 2014 at 8:50
Attachments:
exception.txt