Concurrent open statements and Out of Package Error Occurred in when migrated to jboss eap 6.4 from websphere 7.0 - spring

Question

We are facing below issue when migrated existing application from webspere 7 to jboss eap 6.4. Please help me on solving the issue.
Existing setup:
WAS 7
IBM DB2 database
spring 1.2
Migrated setup:
jboss eap 6.4
IBM DB2 database(no change)
spring 3.2.0
We are facing the issue when we do the load testing on the application.
Issue:
Concurrently open statements:
some queries displayed here
Number of statements: 1818
query here
Number of statements: 1756
query here
Number of statements: 368
query here
Number of statements: 255
query here
Number of statements: 13
query here
Number of statements: 6
query here
Number of statements: 3
query here
Number of statements: 1
query here
WARN [org.hibernate.jdbc.AbstractBatcher] (ajp-/IP address) exception clearing maxRows/queryTimeout: com.ibm.db2.jcc.am.SqlException:NULLID.XXXX
at com.ibm.db2.jcc.am.ed.a(ed.java:682)
at com.ibm.db2.jcc.am.ed.a(ed.java:60)
at com.ibm.db2.jcc.am.ed.a(ed.java:127)
at com.ibm.db2.jcc.am.Agent.copyAsUnchainedSQLException(Agent.java:559)
at com.ibm.db2.jcc.am.Agent.chainDeferredExceptionsToAgentOrAsConnectionWarnings(Agent.java:514)
at com.ibm.db2.jcc.am.Sqlca.getJDBCMessage(Sqlca.java:336)
at com.ibm.db2.jcc.am.SqlExceptionContainer.getMessage(SqlExceptionContainer.java:80)
at com.ibm.db2.jcc.am.SqlException.getMessage(SqlException.java:54)
at java.lang.Throwable.getLocalizedMessage(Throwable.java:391) [rt.jar:1.8.0_77]
at java.lang.Throwable.toString(Throwable.java:480) [rt.jar:1.8.0_77]
at java.lang.String.valueOf(String.java:2994) [rt.jar:1.8.0_77]
at java.io.PrintWriter.println(PrintWriter.java:754) [rt.jar:1.8.0_77]
at java.lang.Throwable$WrappedPrintWriter.println(Throwable.java:764) [rt.jar:1.8.0_77]
at java.lang.Throwable.printStackTrace(Throwable.java:655) [rt.jar:1.8.0_77]
at java.lang.Throwable.printStackTrace(Throwable.java:721) [rt.jar:1.8.0_77]
at com.dynatrace.diagnostics.agent.introspection.Introspection.a(Unknown Source)
at com.dynatrace.diagnostics.agent.introspection.Introspection.a(Unknown Source)
at com.dynatrace.diagnostics.agent.introspection.Introspection.MethodException(Unknown Source)
at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:472)
at org.hibernate.jdbc.AbstractBatcher.getResultSet(AbstractBatcher.java:120) [hibernate3.jar:]
at org.hibernate.loader.Loader.getResultSet(Loader.java:1272) [hibernate3.jar:]
2018-09-04 04:40:59,251 WARN [org.hibernate.util.JDBCExceptionReporter] (ajp-/IP address) SQL Error: -805, SQLState: 51002
2018-09-04 04:40:59,286 ERROR [stderr] (ajp-/10.204.106.115:8109-11) ***** Out of Package Error Occurred (2018-09-04 04:40:59.286) *****
2018-09-04 04:40:59,286 ERROR [stderr] (ajp-/10.204.106.115:8109-11)
2018-09-04 04:40:59,286 ERROR [stderr] (ajp-/10.204.106.115:8109-11) Exception stack trace:
2018-09-04 04:40:59,286 ERROR [stderr] (ajp-/10.204.106.115:8109-11) com.ibm.db2.jcc.am.SqlException: NULLID.XXXX