Druid Storage handler throws exception when query has a Cast to Date

SELECT CAST(`ssb_druid_100`.`__time` AS DATE) AS `x_time`,
SUM(`ssb_druid_100`.`metric_c`) AS `sum_lo_revenue_ok`
FROM `default`.`druid_test_table` `ssb_druid_100`
GROUP BY CAST(`ssb_druid_100`.`__time` AS DATE);

2018-05-26T06:54:56,570 DEBUG [HttpClient-Netty-Worker-5] client.NettyHttpClient: [POST http://localhost:8082/druid/v2/] Got chunk: 0B, last=true
2018-05-26T06:54:56,572 ERROR [1917f624-7b94-4990-9e3a-bbfff3656365 main] CliDriver: Failed with exception java.io.IOException:org.apache.hadoop.hive.serde2.SerDeException: Unknown type: DATE
java.io.IOException: org.apache.hadoop.hive.serde2.SerDeException: Unknown type: DATE
        at org.apache.hadoop.hive.ql.exec.FetchOperator.getNextRow(FetchOperator.java:602)
        at org.apache.hadoop.hive.ql.exec.FetchOperator.pushRow(FetchOperator.java:509)
        at org.apache.hadoop.hive.ql.exec.FetchTask.fetch(FetchTask.java:145)
        at org.apache.hadoop.hive.ql.Driver.getResults(Driver.java:2509)
        at org.apache.hadoop.hive.ql.reexec.ReExecDriver.getResults(ReExecDriver.java:229)
        at org.apache.hadoop.hive.cli.CliDriver.processLocalCmd(CliDriver.java:259)
        at org.apache.hadoop.hive.cli.CliDriver.processCmd(CliDriver.java:188)
        at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:402)
        at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:335)
        at org.apache.hadoop.hive.ql.QTestUtil.executeClientInternal(QTestUtil.java:1514)
        at org.apache.hadoop.hive.ql.QTestUtil.executeClient(QTestUtil.java:1488)
        at org.apache.hadoop.hive.cli.control.CoreCliDriver.runTest(CoreCliDriver.java:177)
        at org.apache.hadoop.hive.cli.control.CliAdapter.runTest(CliAdapter.java:104)
        at org.apache.hadoop.hive.cli.TestMiniDruidLocalCliDriver.testCliDriver(TestMiniDruidLocalCliDriver.java:43)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
        at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
        at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
        at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
        at org.apache.hadoop.hive.cli.control.CliAdapter$2$1.evaluate(CliAdapter.java:92)
        at org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
        at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
        at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
        at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
        at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
        at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
        at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
        at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
        at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
        at org.junit.runners.Suite.runChild(Suite.java:127)
        at org.junit.runners.Suite.runChild(Suite.java:26)
        at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
        at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
        at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
        at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
        at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
        at org.apache.hadoop.hive.cli.control.CliAdapter$1$1.evaluate(CliAdapter.java:73)
        at org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
        at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:365)
        at org.apache.maven.surefire.junit4.JUnit4Provider.executeWithRerun(JUnit4Provider.java:273)
        at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:238)
        at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:159)
        at org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:379)
        at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:340)
        at org.apache.maven.surefire.booter.ForkedBooter.execute(ForkedBooter.java:125)
        at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:413)
Caused by: org.apache.hadoop.hive.serde2.SerDeException: Unknown type: DATE
        at org.apache.hadoop.hive.druid.serde.DruidSerDe.deserialize(DruidSerDe.java:469)
        at org.apache.hadoop.hive.ql.exec.FetchOperator.getNextRow(FetchOperator.java:583)
        ... 50 more