You can try upgrading java to see if that helps. For reference, my version is 1.8.0_201.
Which maven command are you using to build accumulo 2.0? On Fri, Apr 26, 2019 at 5:41 AM d resnik <[email protected]> wrote: > I am trying to build accumulo 2.0 (master) to work on a ticket, but I keep > getting this error: > > [ERROR] Failed to execute goal > org.apache.maven.plugins:maven-compiler-plugin:3.7.0:compile > (default-compile) on project accumulo-core: Compilation failure: > Compilation failure: > > [ERROR] > /Users/VandelayMacBookAir/git/accumulo/core/src/main/java/org/apache/accumulo/core/metadata/schema/TabletMetadata.java:[352,62] > incompatible types: ? super > java.util.Iterator<java.util.Map.Entry<org.apache.accumulo.core.data.Key,org.apache.accumulo.core.data.Value>> > cannot be converted to > java.util.Iterator<java.util.Map.Entry<org.apache.accumulo.core.data.Key,org.apache.accumulo.core.data.Value>> > > [ERROR] > /Users/VandelayMacBookAir/git/accumulo/core/src/main/java/org/apache/accumulo/core/metadata/schema/TabletMetadata.java:[352,35] > incompatible types: bad return type in lambda expression > > [ERROR] cannot infer type-variable(s) F,T > [ERROR] (argument mismatch; incompatible parameter types in lambda > expression) > Here is my java version > > java version "1.8.0_31" > > Java(TM) SE Runtime Environment (build 1.8.0_31-b13) > Java HotSpot(TM) 64-Bit Server VM (build 25.31-b07, mixed mode) > I can't find anything in the accumulo docs about the java version > required, please let me know if I need to upgrade java to build. > Thanks, > Don Resnik
