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https://issues.apache.org/jira/browse/CALCITE-1325?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15406505#comment-15406505
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ASF GitHub Bot commented on CALCITE-1325:
-----------------------------------------
Github user julianhyde commented on the issue:
https://github.com/apache/jmeter/pull/221
For the record, regarding
https://issues.apache.org/jira/browse/CALCITE-1325. That was not an example of
"JAR hell". Calcite attempts to maintain compatibility with a wide range of
Guava versions and that was a case where our QA process screwed up and we
slipped a little. To date no one has ever said "I can't use Calcite because you
require Guava X and we use Guava Y".
> Druid adapter requires Guava 14.0 or higher
> -------------------------------------------
>
> Key: CALCITE-1325
> URL: https://issues.apache.org/jira/browse/CALCITE-1325
> Project: Calcite
> Issue Type: Bug
> Affects Versions: 1.8.0
> Reporter: Julian Hyde
> Assignee: Julian Hyde
> Fix For: 1.9.0
>
>
> Druid adapter requires Guava version 14 or higher. With guava-13.0.1 compile
> fails as follows, due to the missing {{Maps.asMap}} method, which was added
> in 14.0:
> {noformat}
> [ERROR] Failed to execute goal
> org.apache.maven.plugins:maven-compiler-plugin:3.2:compile (default-compile)
> on project calcite-druid: Compilation failure
> [ERROR]
> /home/jhyde/regress/calcite/druid/src/main/java/org/apache/calcite/adapter/druid/DruidSchema.java:[66,16]
> method asMap in class com.google.common.collect.Maps cannot be applied to
> given types;
> [ERROR] required: java.util.SortedSet<K>,com.google.common.base.Function<?
> super K,V>
> [ERROR] found:
> com.google.common.collect.ImmutableSet<java.lang.String>,com.google.common.cache.LoadingCache<java.lang.String,org.apache.calcite.schema.Table>
> [ERROR] reason: cannot infer type-variable(s) K,V
> [ERROR] (argument mismatch;
> com.google.common.collect.ImmutableSet<java.lang.String> cannot be converted
> to java.util.SortedSet<K>)
> {noformat}
> We were incorrect to state that Calcite release 1.8 works with "Guava
> versions 12.0.1 to 19.0"; it should state "Guava versions 14.0 to 19.0".
> Calcite release 1.7 and earlier do not have this problem.
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