Merge branch 1.6 into 1.7

Author: lutovich

pom.xml

@@ -343,6 +343,7 @@
         <version>${surefire.and.failsafe.version}</version>
         <configuration>
           <argLine>-Dfile.encoding=${project.build.sourceEncoding}</argLine>
+          <trimStackTrace>false</trimStackTrace>
         </configuration>
       </plugin>
       <plugin>
@@ -351,6 +352,7 @@
         <version>${surefire.and.failsafe.version}</version>
         <configuration>
           <argLine>-Dfile.encoding=${project.build.sourceEncoding}</argLine>
+          <trimStackTrace>false</trimStackTrace>
         </configuration>
         <executions>
           <execution>