example of filtering mima issues

example-akka-filtering.patch

diff --git a/project/AkkaBuild.scala b/project/AkkaBuild.scala
index 23d51fe..a47aa8e 100644
--- a/project/AkkaBuild.scala
+++ b/project/AkkaBuild.scala
@@ -13,6 +13,7 @@ import com.typesafe.sbtscalariform.ScalariformPlugin.ScalariformKeys
 import com.typesafe.sbtosgi.OsgiPlugin.{ OsgiKeys, osgiSettings }
 import com.typesafe.tools.mima.plugin.MimaPlugin.mimaDefaultSettings
 import com.typesafe.tools.mima.plugin.MimaKeys.previousArtifact
+import com.typesafe.tools.mima.plugin.MimaKeys.binaryIssueFilters
 import java.lang.Boolean.getBoolean
 import sbt.Tests
 import Sphinx.{ sphinxDocs, sphinxHtml, sphinxLatex, sphinxPdf, sphinxPygments, sphinxTags }
@@ -417,9 +418,17 @@ object AkkaBuild extends Build {
       }
   )
 
+  val ignoredABIProblems = {
+    import com.typesafe.tools.mima.core._
+    import com.typesafe.tools.mima.core.ProblemFilters._
+    Seq(exclude[MissingClassProblem]("akka.dispatch.SharingMailbox"),
+        exclude[IncompatibleMethTypeProblem]("akka.dispatch.DefaultPromise.<<"))
+  }
+
   lazy val mimaSettings = mimaDefaultSettings ++ Seq(
     // MiMa
-    previousArtifact := None
+    previousArtifact := None,
+    binaryIssueFilters ++= ignoredABIProblems
   )
 
   def akkaPreviousArtifact(id: String, organization: String = "com.typesafe.akka", version: String = "2.0"): Option[sbt.ModuleID] = {