It works on jdk 1.7.0_79 also. (And linux and windows.) Maryann, I googled "Unresolved compilation problem” and it seems to be coming from Eclipse. Are you running Eclipse?
Julian > On Jun 19, 2015, at 12:11 PM, Julian Hyde <[email protected]> wrote: > > It works for me on 1.7.0_21 on Mac OS (maven 3.1.1, using “mvn clean && mvn > install"). Downloading 1.7.0_79 now, to try a more recent version. > >> On Jun 19, 2015, at 11:39 AM, Maryann Xue <[email protected]> wrote: >> >> I am working on mac, but have installed an oracle JDK: >> >> java version "1.7.0_72" >> >> Java(TM) SE Runtime Environment (build 1.7.0_72-b14) >> >> Java HotSpot(TM) 64-Bit Server VM (build 24.72-b04, mixed mode) >> >> >> I also once tried with JDK 1.8 before, but didn't get it right. >> >> >> >> Thanks, >> >> Maryann >> >> On Fri, Jun 19, 2015 at 2:21 PM, Julian Hyde <[email protected]> wrote: >> >>> What version of Java? >>> >>> It looks like the kind of error that I get when I use my Mac’s default >>> java (i.e. 1.6). >>> >>>> On Jun 19, 2015, at 11:16 AM, Maryann Xue <[email protected]> wrote: >>>> >>>> Hi Julian, >>>> >>>> I was trying to build a Calcite package but got this error. Could you >>>> please tell me how to fix it? >>>> >>>> testFor(org.apache.calcite.linq4j.test.ExpressionTest) Time elapsed: >>> 0.055 >>>> sec <<< ERROR! >>>> >>>> java.lang.Error: Unresolved compilation problem: >>>> >>>> Type mismatch: cannot convert from Ord<capture#3-of ? extends E> to >>> Ord<E> >>>> >>>> >>>> at org.apache.calcite.linq4j.Ord$OrdList.get(Ord.java:118) >>>> >>>> at org.apache.calcite.linq4j.Ord$OrdList.get(Ord.java:1) >>>> >>>> at java.util.AbstractList$Itr.next(AbstractList.java:358) >>>> >>>> at >>> org.apache.calcite.linq4j.tree.ForStatement.accept0(ForStatement.java:60) >>>> >>>> at org.apache.calcite.linq4j.tree.Statement.accept(Statement.java:32) >>>> >>>> at >>>> >>> org.apache.calcite.linq4j.tree.BlockStatement.accept0(BlockStatement.java:70) >>>> >>>> at org.apache.calcite.linq4j.tree.Statement.accept(Statement.java:32) >>>> >>>> at >>> org.apache.calcite.linq4j.tree.AbstractNode.accept(AbstractNode.java:55) >>>> >>>> at >>>> >>> org.apache.calcite.linq4j.tree.ExpressionWriter.write(ExpressionWriter.java:49) >>>> >>>> at >>> org.apache.calcite.linq4j.tree.Expressions.toString(Expressions.java:55) >>>> >>>> at >>> org.apache.calcite.linq4j.tree.Expressions.toString(Expressions.java:65) >>>> >>>> at >>>> >>> org.apache.calcite.linq4j.test.ExpressionTest.testFor(ExpressionTest.java:1161) >>>> >>>> >>>> testFor2(org.apache.calcite.linq4j.test.ExpressionTest) Time elapsed: >>>> 0.001 sec <<< ERROR! >>>> >>>> java.lang.Error: Unresolved compilation problem: >>>> >>>> Type mismatch: cannot convert from Ord<capture#3-of ? extends E> to >>> Ord<E> >>>> >>>> >>>> at org.apache.calcite.linq4j.Ord$OrdList.get(Ord.java:118) >>>> >>>> at org.apache.calcite.linq4j.Ord$OrdList.get(Ord.java:1) >>>> >>>> at java.util.AbstractList$Itr.next(AbstractList.java:358) >>>> >>>> at >>> org.apache.calcite.linq4j.tree.ForStatement.accept0(ForStatement.java:60) >>>> >>>> at org.apache.calcite.linq4j.tree.Statement.accept(Statement.java:32) >>>> >>>> at >>>> >>> org.apache.calcite.linq4j.tree.BlockStatement.accept0(BlockStatement.java:70) >>>> >>>> at org.apache.calcite.linq4j.tree.Statement.accept(Statement.java:32) >>>> >>>> at >>> org.apache.calcite.linq4j.tree.AbstractNode.accept(AbstractNode.java:55) >>>> >>>> at >>>> >>> org.apache.calcite.linq4j.tree.ExpressionWriter.write(ExpressionWriter.java:49) >>>> >>>> at >>> org.apache.calcite.linq4j.tree.Expressions.toString(Expressions.java:55) >>>> >>>> at >>> org.apache.calcite.linq4j.tree.Expressions.toString(Expressions.java:65) >>>> >>>> at >>>> >>> org.apache.calcite.linq4j.test.ExpressionTest.testFor2(ExpressionTest.java:1189) >>> >>> >
