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NoSuchMethodError: google common ImmutableSet.copyOf (..)

I updated the Google Engine app from 1.7. up to 1.8. + Java 7 and I aligned all the API libraries to be relevant. I get weird exceptions when applying inicialization in a GAE container:

The constructor threw an exception; The nested exception is java.lang.NoSuchMethodError:

java.lang.NoClassDefFoundError: Could not initialize class com.google.gdata.client.contacts.ContactsService . and this exception follows : . java.lang.NoSuchMethodError: com.google.common.collect.ImmutableSet.copyOf([Ljava/lang/Object;)Lcom/google/common/collect/ImmutableSet;: . . com.google.apphosting.runtime.jetty.AppVersionHandlerMap.createHandler(AppVersionHandlerMap.java:219)

"suspicious" libraries:

  • guava 11.0.2 (as it depends on the actual gdata 1.47.1 project)
  • gdata-contacts-3.0.jar
  • gdata-contacts-meta-3.0.jar
  • Gdata-core-1.0.jar
  • Gdata-client-1.0.jar
  • gdata-base-1.0.jar
  • http client librares version: 1.14.1
  • (and many others not related to this issue)

Even without the guava library, the same error exists. What causes this incompatibility? I did not find a new version of the gdata-contact API (1.47.1). Any ideas?

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1 answer

I removed the latest guava library and used some version of rc05, which works fine.

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Source: https://habr.com/ru/post/1480034/

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