{"action":"created","issue":{"url":"https://api.github.com/repos/mopub/mopub-android-mediation/issues/26","repository_url":"https://api.github.com/repos/mopub/mopub-android-mediation","labels_url":"https://api.github.com/repos/mopub/mopub-android-mediation/issues/26/labels{/name}","comments_url":"https://api.github.com/repos/mopub/mopub-android-mediation/issues/26/comments","events_url":"https://api.github.com/repos/mopub/mopub-android-mediation/issues/26/events","html_url":"https://github.com/mopub/mopub-android-mediation/issues/26","id":320239000,"number":26,"title":"Failed resolution of Lcom/chartboost/sdk/ChartboostDelegate","user":{"login":"benjisora","id":15685057,"avatar_url":"https://avatars1.githubusercontent.com/u/15685057?v=4","gravatar_id":"","url":"https://api.github.com/users/benjisora","html_url":"https://github.com/benjisora","followers_url":"https://api.github.com/users/benjisora/followers","following_url":"https://api.github.com/users/benjisora/following{/other_user}","gists_url":"https://api.github.com/users/benjisora/gists{/gist_id}","starred_url":"https://api.github.com/users/benjisora/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/benjisora/subscriptions","organizations_url":"https://api.github.com/users/benjisora/orgs","repos_url":"https://api.github.com/users/benjisora/repos","events_url":"https://api.github.com/users/benjisora/events{/privacy}","received_events_url":"https://api.github.com/users/benjisora/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":6,"created_at":"2018-05-04T11:21:46Z","updated_at":"2018-05-04T21:50:09Z","closed_at":null,"author_association":"NONE","body":"Hi,\r\nMy Android app crashes if I enable Chartboost interstitials from the MoPub console. I've been using the new mediation integration tool, and it's working fine when I receive an ad from AdMob.\r\n\r\nHere is how I import the adapters : \r\n```groovy\r\n    compile('com.mopub:mopub-sdk-banner:4.20.0@aar') {\r\n        transitive = true\r\n    }\r\n    compile('com.mopub:mopub-sdk-interstitial:4.20.0@aar') {\r\n        transitive = true\r\n    }\r\n    compile('com.mopub:mopub-sdk-native-video:4.20.0@aar') {\r\n        transitive = true\r\n    }\r\n\r\n    // Chartboost\r\n    compile 'com.mopub.mediation:chartboost:7.1.0.0'\r\n```\r\nHere is the error : \r\n```\r\njava.lang.NoClassDefFoundError: Failed resolution of: Lcom/chartboost/sdk/ChartboostDelegate;\r\n        at com.mopub.mobileads.ChartboostShared.getDelegate(ChartboostShared.java:90)\r\n        at com.mopub.mobileads.ChartboostInterstitial.loadInterstitial(ChartboostInterstitial.java:54)\r\n        at com.mopub.mobileads.CustomEventInterstitialAdapter.loadInterstitial(CustomEventInterstitialAdapter.java:85)\r\n        at com.mopub.mobileads.MoPubInterstitial$MoPubInterstitialView.loadCustomEvent(MoPubInterstitial.java:462)\r\n        at com.mopub.mobileads.AdViewController.loadCustomEvent(AdViewController.java:191)\r\n        at com.mopub.mobileads.AdViewController.onAdLoadSuccess(AdViewController.java:150)\r\n        at com.mopub.mobileads.AdViewController$1.onSuccess(AdViewController.java:120)\r\n        at com.mopub.network.AdRequest.deliverResponse(AdRequest.java:368)\r\n        at com.mopub.network.AdRequest.deliverResponse(AdRequest.java:47)\r\n        at com.mopub.volley.ExecutorDelivery$ResponseDeliveryRunnable.run(ExecutorDelivery.java:99)\r\n        at android.os.Handler.handleCallback(Handler.java:790)\r\n        at android.os.Handler.dispatchMessage(Handler.java:99)\r\n        at android.os.Looper.loop(Looper.java:164)\r\n        at android.app.ActivityThread.main(ActivityThread.java:6494)\r\n        at java.lang.reflect.Method.invoke(Native Method)\r\n        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:438)\r\n        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:807)\r\n```\r\n\r\nDo you have any idea how to fix this ?\r\n\r\nThank you,"},"comment":{"url":"https://api.github.com/repos/mopub/mopub-android-mediation/issues/comments/386744242","html_url":"https://github.com/mopub/mopub-android-mediation/issues/26#issuecomment-386744242","issue_url":"https://api.github.com/repos/mopub/mopub-android-mediation/issues/26","id":386744242,"user":{"login":"chauduyphanvu1","id":25616035,"avatar_url":"https://avatars0.githubusercontent.com/u/25616035?v=4","gravatar_id":"","url":"https://api.github.com/users/chauduyphanvu1","html_url":"https://github.com/chauduyphanvu1","followers_url":"https://api.github.com/users/chauduyphanvu1/followers","following_url":"https://api.github.com/users/chauduyphanvu1/following{/other_user}","gists_url":"https://api.github.com/users/chauduyphanvu1/gists{/gist_id}","starred_url":"https://api.github.com/users/chauduyphanvu1/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/chauduyphanvu1/subscriptions","organizations_url":"https://api.github.com/users/chauduyphanvu1/orgs","repos_url":"https://api.github.com/users/chauduyphanvu1/repos","events_url":"https://api.github.com/users/chauduyphanvu1/events{/privacy}","received_events_url":"https://api.github.com/users/chauduyphanvu1/received_events","type":"User","site_admin":false},"created_at":"2018-05-04T21:50:09Z","updated_at":"2018-05-04T21:50:09Z","author_association":"CONTRIBUTOR","body":"Hm that's strange. Are you multidex-ing by any chance and having it configured properly? What's your minSdkVersion? If 20 or below, try this: https://developer.android.com/studio/build/multidex#mdex-gradle. "}}
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