Thanks for the recommendation Josh. This looks like our issue: https://issues.apache.org/jira/browse/PHOENIX-4450?page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel&focusedCommentId=16293699#comment-16293699
When we turn up the debug logging, we find this: java.lang.RuntimeException: java.sql.SQLException: ERROR 2004 (INT05): Parameter value unbound. Parameter at index 1 is unbound org.apache.calcite.avatica.jdbc.JdbcMeta.propagate(JdbcMeta.java:681) org.apache.calcite.avatica.jdbc.JdbcMeta.prepare(JdbcMeta.java:707) org.apache.calcite.avatica.remote.LocalService.apply(LocalService.java:208) org.apache.calcite.avatica.remote.Service$PrepareRequest.accept(Service.java:1195) org.apache.calcite.avatica.remote.Service$PrepareRequest.accept(Service.java:1166) org.apache.calcite.avatica.remote.AbstractHandler.apply(AbstractHandler.java:95) org.apache.calcite.avatica.remote.ProtobufHandler.apply(ProtobufHandler.java:46) org.apache.calcite.avatica.server.AvaticaProtobufHandler.handle(AvaticaProtobufHandler.java:124) Caused by: java.sql.SQLException: ERROR 2004 (INT05): Parameter value unbound. Parameter at index 1 is unbound at org.apache.phoenix.exception.SQLExceptionCode$Factory$1.newException(SQLExceptionCode.java:464) at org.apache.phoenix.exception.SQLExceptionInfo.buildException(SQLExceptionInfo.java:150) at org.apache.phoenix.jdbc.PhoenixParameterMetaData.getParam(PhoenixParameterMetaData.java:89) at org.apache.phoenix.jdbc.PhoenixParameterMetaData.isSigned(PhoenixParameterMetaData.java:138) at org.apache.calcite.avatica.jdbc.JdbcMeta.parameters(JdbcMeta.java:267) at org.apache.calcite.avatica.jdbc.JdbcMeta.signature(JdbcMeta.java:280) at org.apache.calcite.avatica.jdbc.JdbcMeta.prepare(JdbcMeta.java:701) ... 15 more ____________________________________________________________ After Weeks Of Rumors, Joanna Gaines Comes Clean risingstarnewspaper.com http://thirdpartyoffers.netzero.net/TGL3231/5acfc66fd1278466f5e0dst02vuc