[jira] [Resolved] (CALCITE-586) Serializing Signature.internalParameters can cause exceptions

["Julian Hyde (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CALCITE-586?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Julian Hyde resolved CALCITE-586.
---------------------------------
       Resolution: Fixed
    Fix Version/s:     (was: next)
                   1.1.0-incubating

Fixed in http://git-wip-us.apache.org/repos/asf/incubator-calcite/commit/e237804b0e4d7ac17249708a5cf823e0c1fe1625. 

> Serializing Signature.internalParameters can cause exceptions
> -------------------------------------------------------------
>
>                 Key: CALCITE-586
>                 URL: https://issues.apache.org/jira/browse/CALCITE-586
>             Project: Calcite
>          Issue Type: Bug
>            Reporter: Trevor Hartman
>            Assignee: Julian Hyde
>            Priority: Minor
>             Fix For: 1.1.0-incubating
>
>
> Observed exceptions:
> {code}
> java.lang.AssertionError: null
> at org.apache.calcite.rel.type.RelDataTypeImpl.getFieldList(RelDataTypeImpl.java:138) ~[calcite-core-1.0.0-incubating-SNAPSHOT.jar:1.0.0-incubating-SNAPSHOT]
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_25]
> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_25]
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_25]
> at java.lang.reflect.Method.invoke(Method.java:483) ~[na:1.8.0_25]
> at com.fasterxml.jackson.databind.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:466) ~[jackson-databind-2.4.2.jar:2.4.2]
> {code}
> And in https://github.com/devth/calcite-map-demo:
> {code}
> java.lang.RuntimeException: com.fasterxml.jackson.databind.JsonMappingException: No serializer found for class org.apache.calcite.sql.type.SqlTypeExplicitPrecedenceList and no properties discovered to create BeanSerializer (to avoid exception, disable SerializationConfig.SerializationFeature.FAIL_ON_EMPTY_BEANS) ) (through reference chain: org.apache.calcite.avatica.remote.ResultSetResponse["signature"]->org.apache.calcite.avatica.Signature["internalParameters"]->java.util.LinkedHashMap["v0stashed"]->com.google.common.collect.RegularImmutableList[0]->org.apache.calcite.rex.RexCall["operands"]->com.google.common.collect.RegularImmutableList[0]->org.apache.calcite.rex.RexInputRef["type"]->org.apache.calcite.sql.type.MapSqlType["keyType"]->org.apache.calcite.sql.type.BasicSqlType["precedenceList"])
>         at org.apache.calcite.avatica.remote.JsonHandler.handle(JsonHandler.java:61) ~[calcite-avatica-1.0.0-incubating.jar:1.0.0-incubating]
>         at org.apache.calcite.avatica.remote.JsonHandler.apply(JsonHandler.java:46) ~[calcite-avatica-1.0.0-incubating.jar:1.0.0-incubating]
>         at org.apache.calcite.avatica.server.AvaticaHandler.handle(AvaticaHandler.java:47) ~[calcite-avatica-server-1.0.0-incubating.jar:1.0.0-incubating]
> {code}
> Pull request:
> https://github.com/apache/incubator-calcite/pull/48



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